diff --git a/src/main/kc/stdlib/print.kc b/src/main/kc/stdlib/print.kc
index c08e7e8e4..2dce19f9e 100644
--- a/src/main/kc/stdlib/print.kc
+++ b/src/main/kc/stdlib/print.kc
@@ -95,6 +95,12 @@ void print_word(word w) {
 // Digits used for storing the decimal word
 char[6] decimal_digits;
 
+// Print a byte as DECIMAL
+void print_byte_decimal(byte b) {
+    utoa((word)b, decimal_digits, DECIMAL);
+    print_str(decimal_digits);
+}
+
 // Print a word as DECIMAL
 void print_word_decimal(word w) {
     utoa(w, decimal_digits, DECIMAL);
diff --git a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
index 6e3945ea8..0cc48883a 100644
--- a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
+++ b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
@@ -35,6 +35,11 @@ public class TestPrograms {
    public TestPrograms() {
    }
 
+   @Test
+   public void testEuclid2() throws IOException, URISyntaxException {
+      compileAndCompare("euclid-3");
+   }
+
    @Test
    public void testEuclidProblem2() throws IOException, URISyntaxException {
       compileAndCompare("euclid-problem-2");
diff --git a/src/test/kc/euclid-3.kc b/src/test/kc/euclid-3.kc
new file mode 100644
index 000000000..2e697c271
--- /dev/null
+++ b/src/test/kc/euclid-3.kc
@@ -0,0 +1,37 @@
+/*
+ * Find least common denominator using subtraction-based Euclidian algorithm
+ * See https://en.wikipedia.org/wiki/Euclidean_algorithm
+ * Based on facebook post from
+ */
+
+import "print"
+
+void main () {
+    print_cls();
+    print_euclid(128,2);
+    print_euclid(169,69);
+    print_euclid(155,55);
+    print_euclid(199,3);
+    print_euclid(91,26);
+    print_euclid(119,187);
+}
+
+void  print_euclid(unsigned char a, unsigned char b) {
+    print_byte(a);
+    print_char(' ');
+    print_byte(b);
+    print_char(' ');
+    print_byte(euclid(a,b));
+    print_ln();
+}
+
+unsigned char euclid(unsigned char a, unsigned char b) {
+	while (a!=b) {
+		if(a>b) {
+			a=a-b;
+		} else {
+			b=b-a;
+		}
+	}
+	return a;
+}
diff --git a/src/test/ref/bitmap-plot-3.log b/src/test/ref/bitmap-plot-3.log
index 82b107908..0caf62fa5 100644
--- a/src/test/ref/bitmap-plot-3.log
+++ b/src/test/ref/bitmap-plot-3.log
@@ -69,6 +69,7 @@ Culled Empty Block (label) @41
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
 Culled Empty Block (label) @44
+Culled Empty Block (label) @45
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::@2
 Culled Empty Block (label) main::@6
@@ -128,7 +129,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte[$100]) bitmap_plot_ylo#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_yhi#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_bit#0 ← { fill( $100, 0) }
-  to:@45
+  to:@46
 bitmap_init: scope:[bitmap_init]  from main
   (byte*) bitmap_init::screen#1 ← phi( main/(byte*) bitmap_init::screen#0 )
   (byte*) bitmap_init::gfx#1 ← phi( main/(byte*) bitmap_init::gfx#0 )
@@ -531,7 +532,7 @@ sgn_u16::@return: scope:[sgn_u16]  from sgn_u16::@1 sgn_u16::@3
   (word) sgn_u16::return#4 ← (word) sgn_u16::return#7
   return 
   to:@return
-@45: scope:[]  from @8
+@46: scope:[]  from @8
   (byte*) bitmap_screen#19 ← phi( @8/(byte*) bitmap_screen#0 )
   (byte*) bitmap_gfx#20 ← phi( @8/(byte*) bitmap_gfx#0 )
   (byte*) BITMAP#0 ← ((byte*)) (number) $2000
@@ -539,11 +540,11 @@ sgn_u16::@return: scope:[sgn_u16]  from sgn_u16::@1 sgn_u16::@3
   (byte[$180]) SINTAB#0 ← kickasm {{ .fill $180, 99.5+99.5*sin(i*2*PI/256)  }}
   (byte*~) $0 ← (byte[$180]) SINTAB#0 + (number) $40
   (byte*) COSTAB#0 ← (byte*~) $0
-  to:@46
-main: scope:[main]  from @46
-  (byte*) COSTAB#8 ← phi( @46/(byte*) COSTAB#9 )
-  (byte*) bitmap_screen#12 ← phi( @46/(byte*) bitmap_screen#14 )
-  (byte*) bitmap_gfx#13 ← phi( @46/(byte*) bitmap_gfx#15 )
+  to:@47
+main: scope:[main]  from @47
+  (byte*) COSTAB#8 ← phi( @47/(byte*) COSTAB#9 )
+  (byte*) bitmap_screen#12 ← phi( @47/(byte*) bitmap_screen#14 )
+  (byte*) bitmap_gfx#13 ← phi( @47/(byte*) bitmap_gfx#15 )
   (byte*) bitmap_init::gfx#0 ← (byte*) BITMAP#0
   (byte*) bitmap_init::screen#0 ← (byte*) SCREEN#0
   call bitmap_init 
@@ -652,25 +653,25 @@ main::@return: scope:[main]  from main::@3
   (byte*) bitmap_screen#4 ← (byte*) bitmap_screen#9
   return 
   to:@return
-@46: scope:[]  from @45
-  (byte*) COSTAB#9 ← phi( @45/(byte*) COSTAB#0 )
-  (byte*) bitmap_screen#14 ← phi( @45/(byte*) bitmap_screen#19 )
-  (byte*) bitmap_gfx#15 ← phi( @45/(byte*) bitmap_gfx#20 )
-  call main 
-  to:@47
 @47: scope:[]  from @46
-  (byte*) bitmap_screen#10 ← phi( @46/(byte*) bitmap_screen#4 )
-  (byte*) bitmap_gfx#10 ← phi( @46/(byte*) bitmap_gfx#4 )
+  (byte*) COSTAB#9 ← phi( @46/(byte*) COSTAB#0 )
+  (byte*) bitmap_screen#14 ← phi( @46/(byte*) bitmap_screen#19 )
+  (byte*) bitmap_gfx#15 ← phi( @46/(byte*) bitmap_gfx#20 )
+  call main 
+  to:@48
+@48: scope:[]  from @47
+  (byte*) bitmap_screen#10 ← phi( @47/(byte*) bitmap_screen#4 )
+  (byte*) bitmap_gfx#10 ← phi( @47/(byte*) bitmap_gfx#4 )
   (byte*) bitmap_gfx#5 ← (byte*) bitmap_gfx#10
   (byte*) bitmap_screen#5 ← (byte*) bitmap_screen#10
   to:@end
-@end: scope:[]  from @47
+@end: scope:[]  from @48
 
 SYMBOL TABLE SSA
 (byte*~) $0
-(label) @45
 (label) @46
 (label) @47
+(label) @48
 (label) @8
 (label) @begin
 (label) @end
@@ -1802,9 +1803,9 @@ Added new block during phi lifting bitmap_line::@30(between bitmap_line::@23 and
 Added new block during phi lifting main::@13(between main::@12 and main::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @8
-Adding NOP phi() at start of @45
 Adding NOP phi() at start of @46
 Adding NOP phi() at start of @47
+Adding NOP phi() at start of @48
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@10
@@ -1879,8 +1880,8 @@ Coalesced [188] bitmap_init::x#5 ← bitmap_init::x#1
 Coalesced [189] bitmap_init::bits#6 ← bitmap_init::bits#1
 Coalesced down to 19 phi equivalence classes
 Culled Empty Block (label) @8
-Culled Empty Block (label) @45
-Culled Empty Block (label) @47
+Culled Empty Block (label) @46
+Culled Empty Block (label) @48
 Culled Empty Block (label) main::toD0181_@return
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::@13
@@ -1902,7 +1903,7 @@ Culled Empty Block (label) bitmap_init::@4
 Culled Empty Block (label) bitmap_init::@11
 Culled Empty Block (label) bitmap_init::@12
 Culled Empty Block (label) bitmap_init::@9
-Renumbering block @46 to @1
+Renumbering block @47 to @1
 Renumbering block memset::@2 to memset::@1
 Renumbering block memset::@4 to memset::@2
 Renumbering block bitmap_init::@5 to bitmap_init::@3
diff --git a/src/test/ref/c-types.log b/src/test/ref/c-types.log
index 93acb503e..23f239c6a 100644
--- a/src/test/ref/c-types.log
+++ b/src/test/ref/c-types.log
@@ -51,8 +51,8 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
+Culled Empty Block (label) @28
 Culled Empty Block (label) print_sdword::@4
-Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
@@ -63,6 +63,7 @@ Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
+Culled Empty Block (label) @40
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -107,7 +108,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_str: scope:[print_str]  from testChar testInt testLong testShort
   (byte*) print_char_cursor#156 ← phi( testChar/(byte*) print_char_cursor#151 testInt/(byte*) print_char_cursor#153 testLong/(byte*) print_char_cursor#154 testShort/(byte*) print_char_cursor#152 )
   (byte*) print_str::str#7 ← phi( testChar/(byte*) print_str::str#1 testInt/(byte*) print_str::str#3 testLong/(byte*) print_str::str#4 testShort/(byte*) print_str::str#2 )
@@ -339,12 +340,12 @@ print_sdword::@return: scope:[print_sdword]  from print_sdword::@7
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#90
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#5 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#160 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#50 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@40
+  to:@41
 print_byte: scope:[print_byte]  from print_sbyte::@2 print_word print_word::@1 testChar::@1 testChar::@3
   (byte*) print_char_cursor#149 ← phi( print_sbyte::@2/(byte*) print_char_cursor#143 print_word/(byte*) print_char_cursor#144 print_word::@1/(byte*) print_char_cursor#13 testChar::@1/(byte*) print_char_cursor#36 testChar::@3/(byte*) print_char_cursor#38 )
   (byte) print_byte::b#5 ← phi( print_sbyte::@2/(byte) print_byte::b#0 print_word/(byte) print_byte::b#1 print_word::@1/(byte) print_byte::b#2 testChar::@1/(byte) print_byte::b#3 testChar::@3/(byte) print_byte::b#4 )
@@ -400,10 +401,10 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#29 ← (byte*) print_char_cursor#96
   return 
   to:@return
-main: scope:[main]  from @40
-  (byte*) print_char_cursor#150 ← phi( @40/(byte*) print_char_cursor#155 )
-  (byte*) print_line_cursor#40 ← phi( @40/(byte*) print_line_cursor#45 )
-  (byte*) print_screen#3 ← phi( @40/(byte*) print_screen#4 )
+main: scope:[main]  from @41
+  (byte*) print_char_cursor#150 ← phi( @41/(byte*) print_char_cursor#155 )
+  (byte*) print_line_cursor#40 ← phi( @41/(byte*) print_line_cursor#45 )
+  (byte*) print_screen#3 ← phi( @41/(byte*) print_screen#4 )
   call print_cls 
   to:main::@1
 main::@1: scope:[main]  from main
@@ -699,26 +700,26 @@ testLong::@return: scope:[testLong]  from testLong::@7
   (byte*) print_line_cursor#18 ← (byte*) print_line_cursor#37
   return 
   to:@return
-@40: scope:[]  from @28
-  (byte*) print_screen#4 ← phi( @28/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#155 ← phi( @28/(byte*) print_char_cursor#160 )
-  (byte*) print_line_cursor#45 ← phi( @28/(byte*) print_line_cursor#50 )
+@41: scope:[]  from @29
+  (byte*) print_screen#4 ← phi( @29/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#155 ← phi( @29/(byte*) print_char_cursor#160 )
+  (byte*) print_line_cursor#45 ← phi( @29/(byte*) print_line_cursor#50 )
   call main 
-  to:@41
-@41: scope:[]  from @40
-  (byte*) print_char_cursor#135 ← phi( @40/(byte*) print_char_cursor#35 )
-  (byte*) print_line_cursor#38 ← phi( @40/(byte*) print_line_cursor#10 )
+  to:@42
+@42: scope:[]  from @41
+  (byte*) print_char_cursor#135 ← phi( @41/(byte*) print_char_cursor#35 )
+  (byte*) print_line_cursor#38 ← phi( @41/(byte*) print_line_cursor#10 )
   (byte*) print_line_cursor#19 ← (byte*) print_line_cursor#38
   (byte*) print_char_cursor#68 ← (byte*) print_char_cursor#135
   to:@end
-@end: scope:[]  from @41
+@end: scope:[]  from @42
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @40
+(label) @29
 (label) @41
+(label) @42
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -1655,9 +1656,9 @@ Added new block during phi lifting memset::@6(between memset::@4 and memset::@4)
 Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @40
+Adding NOP phi() at start of @29
 Adding NOP phi() at start of @41
+Adding NOP phi() at start of @42
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -1762,8 +1763,8 @@ Coalesced (already) [177] print_char_cursor#173 ← print_char_cursor#26
 Coalesced [193] memset::dst#3 ← memset::dst#1
 Coalesced down to 10 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @41
+Culled Empty Block (label) @29
+Culled Empty Block (label) @42
 Culled Empty Block (label) main::@5
 Culled Empty Block (label) testLong::@7
 Culled Empty Block (label) print_ln::@2
@@ -1784,7 +1785,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @40 to @1
+Renumbering block @41 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block print_sdword::@5 to print_sdword::@4
diff --git a/src/test/ref/c64dtv-gfxexplorer.log b/src/test/ref/c64dtv-gfxexplorer.log
index d9cb809cf..8411b6223 100644
--- a/src/test/ref/c64dtv-gfxexplorer.log
+++ b/src/test/ref/c64dtv-gfxexplorer.log
@@ -51,33 +51,34 @@ Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
-Culled Empty Block (label) @34
+Culled Empty Block (label) @33
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
-Culled Empty Block (label) @41
-Culled Empty Block (label) keyboard_matrix_read::@1
+Culled Empty Block (label) @40
 Culled Empty Block (label) @42
+Culled Empty Block (label) keyboard_matrix_read::@1
 Culled Empty Block (label) @43
+Culled Empty Block (label) @44
 Culled Empty Block (label) keyboard_event_scan::@22
 Culled Empty Block (label) keyboard_event_scan::@13
 Culled Empty Block (label) keyboard_event_scan::@15
 Culled Empty Block (label) keyboard_event_scan::@19
 Culled Empty Block (label) keyboard_event_scan::@4
-Culled Empty Block (label) @45
-Culled Empty Block (label) keyboard_event_pressed::@1
 Culled Empty Block (label) @46
+Culled Empty Block (label) keyboard_event_pressed::@1
+Culled Empty Block (label) @47
 Culled Empty Block (label) keyboard_event_get::@4
 Culled Empty Block (label) keyboard_event_get::@2
 Culled Empty Block (label) keyboard_event_get::@5
 Culled Empty Block (label) keyboard_event_get::@6
 Culled Empty Block (label) bitmap_init::@8
-Culled Empty Block (label) @48
-Culled Empty Block (label) bitmap_clear::@4
 Culled Empty Block (label) @49
+Culled Empty Block (label) bitmap_clear::@4
 Culled Empty Block (label) @50
+Culled Empty Block (label) @51
 Culled Empty Block (label) bitmap_line::@12
 Culled Empty Block (label) bitmap_line::@6
 Culled Empty Block (label) bitmap_line::@14
@@ -92,15 +93,15 @@ Culled Empty Block (label) bitmap_line::@24
 Culled Empty Block (label) bitmap_line::@23
 Culled Empty Block (label) bitmap_line::@26
 Culled Empty Block (label) bitmap_line::@28
-Culled Empty Block (label) @51
-Culled Empty Block (label) bitmap_line_xdyi::@4
 Culled Empty Block (label) @52
-Culled Empty Block (label) bitmap_line_xdyd::@4
+Culled Empty Block (label) bitmap_line_xdyi::@4
 Culled Empty Block (label) @53
-Culled Empty Block (label) bitmap_line_ydxi::@4
+Culled Empty Block (label) bitmap_line_xdyd::@4
 Culled Empty Block (label) @54
-Culled Empty Block (label) bitmap_line_ydxd::@4
+Culled Empty Block (label) bitmap_line_ydxi::@4
 Culled Empty Block (label) @55
+Culled Empty Block (label) bitmap_line_ydxd::@4
+Culled Empty Block (label) @56
 Culled Empty Block (label) main::@4
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::@5
@@ -146,7 +147,7 @@ Culled Empty Block (label) get_plane::@66
 Culled Empty Block (label) get_plane::@67
 Culled Empty Block (label) get_plane::@68
 Culled Empty Block (label) get_plane::@69
-Culled Empty Block (label) @57
+Culled Empty Block (label) @58
 Culled Empty Block (label) get_vic_screen::@5
 Culled Empty Block (label) get_vic_screen::@15
 Culled Empty Block (label) get_vic_screen::@6
@@ -161,7 +162,7 @@ Culled Empty Block (label) get_vic_screen::@21
 Culled Empty Block (label) get_vic_screen::@22
 Culled Empty Block (label) get_vic_screen::@23
 Culled Empty Block (label) get_vic_screen::@24
-Culled Empty Block (label) @58
+Culled Empty Block (label) @59
 Culled Empty Block (label) get_vic_charset::@2
 Culled Empty Block (label) get_vic_charset::@6
 Culled Empty Block (label) get_vic_charset::@7
@@ -189,7 +190,7 @@ Culled Empty Block (label) apply_preset::@21
 Culled Empty Block (label) apply_preset::@43
 Culled Empty Block (label) apply_preset::@44
 Culled Empty Block (label) apply_preset::@46
-Culled Empty Block (label) @60
+Culled Empty Block (label) @61
 Culled Empty Block (label) render_preset_name::@12
 Culled Empty Block (label) render_preset_name::@34
 Culled Empty Block (label) render_preset_name::@13
@@ -227,24 +228,23 @@ Culled Empty Block (label) gfx_mode::@42
 Culled Empty Block (label) gfx_mode::@40
 Culled Empty Block (label) gfx_mode::@41
 Culled Empty Block (label) gfx_mode::@45
-Culled Empty Block (label) @62
 Culled Empty Block (label) @63
 Culled Empty Block (label) @64
-Culled Empty Block (label) gfx_init_screen0::@4
 Culled Empty Block (label) @65
-Culled Empty Block (label) gfx_init_screen1::@4
+Culled Empty Block (label) gfx_init_screen0::@4
 Culled Empty Block (label) @66
-Culled Empty Block (label) gfx_init_screen2::@4
+Culled Empty Block (label) gfx_init_screen1::@4
 Culled Empty Block (label) @67
-Culled Empty Block (label) gfx_init_screen3::@4
+Culled Empty Block (label) gfx_init_screen2::@4
 Culled Empty Block (label) @68
-Culled Empty Block (label) gfx_init_screen4::@4
+Culled Empty Block (label) gfx_init_screen3::@4
 Culled Empty Block (label) @69
-Culled Empty Block (label) gfx_init_vic_bitmap::@2
+Culled Empty Block (label) gfx_init_screen4::@4
 Culled Empty Block (label) @70
+Culled Empty Block (label) gfx_init_vic_bitmap::@2
 Culled Empty Block (label) @71
-Culled Empty Block (label) gfx_init_plane_horisontal::@6
 Culled Empty Block (label) @72
+Culled Empty Block (label) gfx_init_plane_horisontal::@6
 Culled Empty Block (label) @73
 Culled Empty Block (label) @74
 Culled Empty Block (label) @75
@@ -252,6 +252,7 @@ Culled Empty Block (label) @76
 Culled Empty Block (label) @77
 Culled Empty Block (label) @78
 Culled Empty Block (label) @79
+Culled Empty Block (label) @80
 Culled Empty Block (label) form_mode::@4
 Culled Empty Block (label) form_mode::@16
 Culled Empty Block (label) form_mode::@5
@@ -266,11 +267,11 @@ Culled Empty Block (label) form_mode::@15
 Culled Empty Block (label) form_mode::@19
 Culled Empty Block (label) form_mode::@20
 Culled Empty Block (label) form_set_screen::@2
-Culled Empty Block (label) @81
-Culled Empty Block (label) form_field_ptr::@1
 Culled Empty Block (label) @82
-Culled Empty Block (label) form_render_values::@2
+Culled Empty Block (label) form_field_ptr::@1
 Culled Empty Block (label) @83
+Culled Empty Block (label) form_render_values::@2
+Culled Empty Block (label) @84
 Culled Empty Block (label) form_control::@9
 Culled Empty Block (label) form_control::@20
 Culled Empty Block (label) form_control::@21
@@ -393,7 +394,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@33
+  to:@34
 print_str_lines: scope:[print_str_lines]  from form_mode::@22 form_mode::@25
   (byte*) print_line_cursor#45 ← phi( form_mode::@22/(byte*) print_line_cursor#12 form_mode::@25/(byte*) print_line_cursor#15 )
   (byte*) print_char_cursor#47 ← phi( form_mode::@22/(byte*) print_char_cursor#13 form_mode::@25/(byte*) print_char_cursor#16 )
@@ -495,12 +496,12 @@ print_ln::@return: scope:[print_ln]  from print_ln::@2
   (byte*) print_char_cursor#5 ← (byte*) print_char_cursor#24
   return 
   to:@return
-@33: scope:[]  from @17
+@34: scope:[]  from @17
   (byte*) print_char_cursor#72 ← phi( @17/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#72 ← phi( @17/(byte*) print_line_cursor#0 )
   (byte*) print_screen#51 ← phi( @17/(byte*) print_screen#0 )
   (byte[]) print_hextab#0 ← (const string) $38
-  to:@40
+  to:@41
 print_cls: scope:[print_cls]  from form_mode::@21 form_mode::@24
   (byte*) print_screen#9 ← phi( form_mode::@21/(byte*) print_screen#5 form_mode::@24/(byte*) print_screen#6 )
   (void*) memset::str#0 ← (void*)(byte*) print_screen#9
@@ -536,10 +537,10 @@ print_set_screen::@return: scope:[print_set_screen]  from print_set_screen
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#26
   return 
   to:@return
-@40: scope:[]  from @33
-  (byte*) print_char_cursor#71 ← phi( @33/(byte*) print_char_cursor#72 )
-  (byte*) print_line_cursor#71 ← phi( @33/(byte*) print_line_cursor#72 )
-  (byte*) print_screen#49 ← phi( @33/(byte*) print_screen#51 )
+@41: scope:[]  from @34
+  (byte*) print_char_cursor#71 ← phi( @34/(byte*) print_char_cursor#72 )
+  (byte*) print_line_cursor#71 ← phi( @34/(byte*) print_line_cursor#72 )
+  (byte*) print_screen#49 ← phi( @34/(byte*) print_screen#51 )
   (byte) KEY_CRSR_RIGHT#0 ← (number) 2
   (byte) KEY_CRSR_DOWN#0 ← (number) 7
   (byte) KEY_LSHIFT#0 ← (number) $f
@@ -549,7 +550,7 @@ print_set_screen::@return: scope:[print_set_screen]  from print_set_screen
   (byte) KEY_COMMODORE#0 ← (number) $3d
   (byte[8]) keyboard_matrix_row_bitmask#0 ← { (number) $fe, (number) $fd, (number) $fb, (number) $f7, (number) $ef, (number) $df, (number) $bf, (number) $7f }
   (byte[8]) keyboard_matrix_col_bitmask#0 ← { (number) 1, (number) 2, (number) 4, (number) 8, (number) $10, (number) $20, (number) $40, (number) $80 }
-  to:@44
+  to:@45
 keyboard_init: scope:[keyboard_init]  from main
   *((byte*) CIA1_PORT_A_DDR#0) ← (number) $ff
   *((byte*) CIA1_PORT_B_DDR#0) ← (number) 0
@@ -569,10 +570,10 @@ keyboard_matrix_read::@return: scope:[keyboard_matrix_read]  from keyboard_matri
   (byte) keyboard_matrix_read::return#1 ← (byte) keyboard_matrix_read::return#3
   return 
   to:@return
-@44: scope:[]  from @40
-  (byte*) print_char_cursor#70 ← phi( @40/(byte*) print_char_cursor#71 )
-  (byte*) print_line_cursor#70 ← phi( @40/(byte*) print_line_cursor#71 )
-  (byte*) print_screen#47 ← phi( @40/(byte*) print_screen#49 )
+@45: scope:[]  from @41
+  (byte*) print_char_cursor#70 ← phi( @41/(byte*) print_char_cursor#71 )
+  (byte*) print_line_cursor#70 ← phi( @41/(byte*) print_line_cursor#71 )
+  (byte*) print_screen#47 ← phi( @41/(byte*) print_screen#49 )
   (byte[8]) keyboard_events#0 ← { fill( 8, 0) }
   (byte) keyboard_events_size#0 ← (number) 0
   (byte) keyboard_modifiers#0 ← (number) 0
@@ -583,7 +584,7 @@ keyboard_matrix_read::@return: scope:[keyboard_matrix_read]  from keyboard_matri
   (byte~) $0 ← (byte) KEY_MODIFIER_LSHIFT#0 | (byte) KEY_MODIFIER_RSHIFT#0
   (byte) KEY_MODIFIER_SHIFT#0 ← (byte~) $0
   (byte[8]) keyboard_scan_values#0 ← { fill( 8, 0) }
-  to:@47
+  to:@48
 keyboard_event_scan: scope:[keyboard_event_scan]  from form_control::@3 gfx_mode::@36
   (byte) keyboard_events_size#99 ← phi( form_control::@3/(byte) keyboard_events_size#48 gfx_mode::@36/(byte) keyboard_events_size#44 )
   (byte) keyboard_event_scan::keycode#0 ← (number) 0
@@ -828,18 +829,18 @@ keyboard_event_get::@return: scope:[keyboard_event_get]  from keyboard_event_get
   (byte) keyboard_events_size#5 ← (byte) keyboard_events_size#24
   return 
   to:@return
-@47: scope:[]  from @44
-  (byte) keyboard_modifiers#95 ← phi( @44/(byte) keyboard_modifiers#0 )
-  (byte) keyboard_events_size#111 ← phi( @44/(byte) keyboard_events_size#0 )
-  (byte*) print_char_cursor#68 ← phi( @44/(byte*) print_char_cursor#70 )
-  (byte*) print_line_cursor#68 ← phi( @44/(byte*) print_line_cursor#70 )
-  (byte*) print_screen#45 ← phi( @44/(byte*) print_screen#47 )
+@48: scope:[]  from @45
+  (byte) keyboard_modifiers#95 ← phi( @45/(byte) keyboard_modifiers#0 )
+  (byte) keyboard_events_size#111 ← phi( @45/(byte) keyboard_events_size#0 )
+  (byte*) print_char_cursor#68 ← phi( @45/(byte*) print_char_cursor#70 )
+  (byte*) print_line_cursor#68 ← phi( @45/(byte*) print_line_cursor#70 )
+  (byte*) print_screen#45 ← phi( @45/(byte*) print_screen#47 )
   (byte[$100]) bitmap_plot_xlo#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_xhi#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_ylo#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_yhi#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_bit#0 ← { fill( $100, 0) }
-  to:@56
+  to:@57
 bitmap_init: scope:[bitmap_init]  from gfx_init_vic_bitmap
   (byte*) bitmap_init::bitmap#2 ← phi( gfx_init_vic_bitmap/(byte*) bitmap_init::bitmap#0 )
   (byte) bitmap_init::bits#0 ← (number) $80
@@ -1384,14 +1385,14 @@ bitmap_line_ydxd::@3: scope:[bitmap_line_ydxd]  from bitmap_line_ydxd::@5
 bitmap_line_ydxd::@return: scope:[bitmap_line_ydxd]  from bitmap_line_ydxd::@2
   return 
   to:@return
-main: scope:[main]  from @84
-  (byte) form_field_idx#48 ← phi( @84/(byte) form_field_idx#34 )
-  (byte) keyboard_modifiers#83 ← phi( @84/(byte) keyboard_modifiers#52 )
-  (byte) keyboard_events_size#92 ← phi( @84/(byte) keyboard_events_size#53 )
-  (signed byte) form_cursor_count#43 ← phi( @84/(signed byte) form_cursor_count#26 )
-  (byte*) print_char_cursor#61 ← phi( @84/(byte*) print_char_cursor#46 )
-  (byte*) print_line_cursor#61 ← phi( @84/(byte*) print_line_cursor#44 )
-  (byte*) print_screen#38 ← phi( @84/(byte*) print_screen#24 )
+main: scope:[main]  from @85
+  (byte) form_field_idx#48 ← phi( @85/(byte) form_field_idx#34 )
+  (byte) keyboard_modifiers#83 ← phi( @85/(byte) keyboard_modifiers#52 )
+  (byte) keyboard_events_size#92 ← phi( @85/(byte) keyboard_events_size#53 )
+  (signed byte) form_cursor_count#43 ← phi( @85/(signed byte) form_cursor_count#26 )
+  (byte*) print_char_cursor#61 ← phi( @85/(byte*) print_char_cursor#46 )
+  (byte*) print_line_cursor#61 ← phi( @85/(byte*) print_line_cursor#44 )
+  (byte*) print_screen#38 ← phi( @85/(byte*) print_screen#24 )
   asm { sei  }
   *((byte*) PROCPORT_DDR#0) ← (byte) PROCPORT_DDR_MEMORY_MASK#0
   *((byte*) PROCPORT#0) ← (byte) PROCPORT_RAM_IO#0
@@ -1482,12 +1483,12 @@ main::@return: scope:[main]  from main::@1
   (byte) form_field_idx#1 ← (byte) form_field_idx#12
   return 
   to:@return
-@56: scope:[]  from @47
-  (byte) keyboard_modifiers#90 ← phi( @47/(byte) keyboard_modifiers#95 )
-  (byte) keyboard_events_size#103 ← phi( @47/(byte) keyboard_events_size#111 )
-  (byte*) print_char_cursor#65 ← phi( @47/(byte*) print_char_cursor#68 )
-  (byte*) print_line_cursor#65 ← phi( @47/(byte*) print_line_cursor#68 )
-  (byte*) print_screen#42 ← phi( @47/(byte*) print_screen#45 )
+@57: scope:[]  from @48
+  (byte) keyboard_modifiers#90 ← phi( @48/(byte) keyboard_modifiers#95 )
+  (byte) keyboard_events_size#103 ← phi( @48/(byte) keyboard_events_size#111 )
+  (byte*) print_char_cursor#65 ← phi( @48/(byte*) print_char_cursor#68 )
+  (byte*) print_line_cursor#65 ← phi( @48/(byte*) print_line_cursor#68 )
+  (byte*) print_screen#42 ← phi( @48/(byte*) print_screen#45 )
   (byte*) VIC_SCREEN0#0 ← ((byte*)) (number) $4000
   (byte*) VIC_SCREEN1#0 ← ((byte*)) (number) $4400
   (byte*) VIC_SCREEN2#0 ← ((byte*)) (number) $4800
@@ -1503,7 +1504,7 @@ main::@return: scope:[main]  from main::@1
   (dword) PLANE_BLANK#0 ← (number) $38000
   (dword) PLANE_FULL#0 ← (number) $3a000
   (dword) PLANE_CHARSET8#0 ← (number) $3c000
-  to:@59
+  to:@60
 get_plane: scope:[get_plane]  from gfx_mode::@46 gfx_mode::@9
   (byte) get_plane::idx#2 ← phi( gfx_mode::@46/(byte) get_plane::idx#1 gfx_mode::@9/(byte) get_plane::idx#0 )
   (bool~) get_plane::$0 ← (byte) get_plane::idx#2 == (number) 0
@@ -1714,12 +1715,12 @@ get_vic_charset::@return: scope:[get_vic_charset]  from get_vic_charset::@1 get_
 get_vic_charset::@3: scope:[get_vic_charset]  from get_vic_charset::@4
   (byte*) get_vic_charset::return#3 ← (byte*) VIC_CHARSET_ROM#0
   to:get_vic_charset::@return
-@59: scope:[]  from @56
-  (byte) keyboard_modifiers#84 ← phi( @56/(byte) keyboard_modifiers#90 )
-  (byte) keyboard_events_size#93 ← phi( @56/(byte) keyboard_events_size#103 )
-  (byte*) print_char_cursor#62 ← phi( @56/(byte*) print_char_cursor#65 )
-  (byte*) print_line_cursor#62 ← phi( @56/(byte*) print_line_cursor#65 )
-  (byte*) print_screen#39 ← phi( @56/(byte*) print_screen#42 )
+@60: scope:[]  from @57
+  (byte) keyboard_modifiers#84 ← phi( @57/(byte) keyboard_modifiers#90 )
+  (byte) keyboard_events_size#93 ← phi( @57/(byte) keyboard_events_size#103 )
+  (byte*) print_char_cursor#62 ← phi( @57/(byte*) print_char_cursor#65 )
+  (byte*) print_line_cursor#62 ← phi( @57/(byte*) print_line_cursor#65 )
+  (byte*) print_screen#39 ← phi( @57/(byte*) print_screen#42 )
   (byte*) FORM_SCREEN#0 ← ((byte*)) (number) $400
   (byte*) FORM_CHARSET#0 ← ((byte*)) (number) $1800
   (byte[]) FORM_TEXT#0 ← (const string) $39
@@ -1740,7 +1741,7 @@ get_vic_charset::@3: scope:[get_vic_charset]  from get_vic_charset::@4
   (byte[]) preset_sixsfred#0 ← { (number) 8, (number) 1, (number) 1, (number) 1, (number) 1, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 9, (number) 0, (number) 0, (number) 0, (number) 1, (number) 0, (number) 0, (number) $a, (number) 0, (number) 0, (number) 0, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 1, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0 }
   (byte[]) preset_sixsfred2#0 ← { (number) 9, (number) 1, (number) 1, (number) 1, (number) 0, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 9, (number) 0, (number) 0, (number) 0, (number) 1, (number) 0, (number) 0, (number) $a, (number) 0, (number) 0, (number) 0, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0 }
   (byte[]) preset_8bpppixelcell#0 ← { (number) $a, (number) 0, (number) 1, (number) 1, (number) 1, (number) 1, (number) 0, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 1, (number) 0, (number) 0, (number) $b, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 1, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0, (number) 0 }
-  to:@61
+  to:@62
 apply_preset: scope:[apply_preset]  from form_mode::@18
   (byte) apply_preset::idx#1 ← phi( form_mode::@18/(byte) apply_preset::idx#0 )
   (byte*) apply_preset::preset#0 ← (byte*) 0
@@ -1953,12 +1954,12 @@ render_preset_name::@45: scope:[render_preset_name]  from render_preset_name::@2
 render_preset_name::@return: scope:[render_preset_name]  from render_preset_name::@45
   return 
   to:@return
-@61: scope:[]  from @59
-  (byte) keyboard_modifiers#81 ← phi( @59/(byte) keyboard_modifiers#84 )
-  (byte) keyboard_events_size#85 ← phi( @59/(byte) keyboard_events_size#93 )
-  (byte*) print_char_cursor#60 ← phi( @59/(byte*) print_char_cursor#62 )
-  (byte*) print_line_cursor#60 ← phi( @59/(byte*) print_line_cursor#62 )
-  (byte*) print_screen#37 ← phi( @59/(byte*) print_screen#39 )
+@62: scope:[]  from @60
+  (byte) keyboard_modifiers#81 ← phi( @60/(byte) keyboard_modifiers#84 )
+  (byte) keyboard_events_size#85 ← phi( @60/(byte) keyboard_events_size#93 )
+  (byte*) print_char_cursor#60 ← phi( @60/(byte*) print_char_cursor#62 )
+  (byte*) print_line_cursor#60 ← phi( @60/(byte*) print_line_cursor#62 )
+  (byte*) print_screen#37 ← phi( @60/(byte*) print_screen#39 )
   (byte*~) $1 ← (byte[]) form_fields_val#0 + (number) 0
   (byte*) form_preset#0 ← (byte*~) $1
   (byte*~) $2 ← (byte[]) form_fields_val#0 + (number) 1
@@ -2031,7 +2032,7 @@ render_preset_name::@return: scope:[render_preset_name]  from render_preset_name
   (byte*) form_vic_bg3_hi#0 ← (byte*~) $35
   (byte*~) $36 ← (byte[]) form_fields_val#0 + (number) $23
   (byte*) form_vic_bg3_lo#0 ← (byte*~) $36
-  to:@80
+  to:@81
 gfx_mode: scope:[gfx_mode]  from main::@9
   (byte) keyboard_modifiers#128 ← phi( main::@9/(byte) keyboard_modifiers#7 )
   (byte) keyboard_events_size#147 ← phi( main::@9/(byte) keyboard_events_size#6 )
@@ -3433,19 +3434,19 @@ form_mode::@33: scope:[form_mode]  from form_mode::@32
   (byte*) print_line_cursor#51 ← phi( form_mode::@32/(byte*) print_line_cursor#59 )
   (byte*) print_screen#30 ← phi( form_mode::@32/(byte*) print_screen#36 )
   to:form_mode::@3
-@80: scope:[]  from @61
-  (byte) keyboard_modifiers#75 ← phi( @61/(byte) keyboard_modifiers#81 )
-  (byte) keyboard_events_size#76 ← phi( @61/(byte) keyboard_events_size#85 )
-  (byte*) print_char_cursor#55 ← phi( @61/(byte*) print_char_cursor#60 )
-  (byte*) print_line_cursor#53 ← phi( @61/(byte*) print_line_cursor#60 )
-  (byte*) print_screen#32 ← phi( @61/(byte*) print_screen#37 )
+@81: scope:[]  from @62
+  (byte) keyboard_modifiers#75 ← phi( @62/(byte) keyboard_modifiers#81 )
+  (byte) keyboard_events_size#76 ← phi( @62/(byte) keyboard_events_size#85 )
+  (byte*) print_char_cursor#55 ← phi( @62/(byte*) print_char_cursor#60 )
+  (byte*) print_line_cursor#53 ← phi( @62/(byte*) print_line_cursor#60 )
+  (byte*) print_screen#32 ← phi( @62/(byte*) print_screen#37 )
   (byte[$19]) form_line_lo#0 ← { fill( $19, 0) }
   (byte[$19]) form_line_hi#0 ← { fill( $19, 0) }
   (byte) form_field_idx#4 ← (number) 0
   (signed byte) FORM_CURSOR_BLINK#0 ← (number) $28
   (number~) $37 ← (signed byte) FORM_CURSOR_BLINK#0 / (number) 2
   (signed byte) form_cursor_count#4 ← (number~) $37
-  to:@84
+  to:@85
 form_set_screen: scope:[form_set_screen]  from form_mode::@26
   (byte*) form_set_screen::screen#1 ← phi( form_mode::@26/(byte*) form_set_screen::screen#0 )
   (byte*) form_set_screen::line#0 ← (byte*) form_set_screen::screen#1
@@ -3747,24 +3748,24 @@ form_control::@16: scope:[form_control]  from form_control::@5
   (signed byte) form_cursor_count#23 ← phi( form_control::@5/(signed byte) form_cursor_count#37 )
   (byte) form_control::return#5 ← (number) $ff
   to:form_control::@return
-@84: scope:[]  from @80
-  (byte) form_field_idx#34 ← phi( @80/(byte) form_field_idx#4 )
-  (byte) keyboard_modifiers#52 ← phi( @80/(byte) keyboard_modifiers#75 )
-  (byte) keyboard_events_size#53 ← phi( @80/(byte) keyboard_events_size#76 )
-  (signed byte) form_cursor_count#26 ← phi( @80/(signed byte) form_cursor_count#4 )
-  (byte*) print_char_cursor#46 ← phi( @80/(byte*) print_char_cursor#55 )
-  (byte*) print_line_cursor#44 ← phi( @80/(byte*) print_line_cursor#53 )
-  (byte*) print_screen#24 ← phi( @80/(byte*) print_screen#32 )
+@85: scope:[]  from @81
+  (byte) form_field_idx#34 ← phi( @81/(byte) form_field_idx#4 )
+  (byte) keyboard_modifiers#52 ← phi( @81/(byte) keyboard_modifiers#75 )
+  (byte) keyboard_events_size#53 ← phi( @81/(byte) keyboard_events_size#76 )
+  (signed byte) form_cursor_count#26 ← phi( @81/(signed byte) form_cursor_count#4 )
+  (byte*) print_char_cursor#46 ← phi( @81/(byte*) print_char_cursor#55 )
+  (byte*) print_line_cursor#44 ← phi( @81/(byte*) print_line_cursor#53 )
+  (byte*) print_screen#24 ← phi( @81/(byte*) print_screen#32 )
   call main 
-  to:@85
-@85: scope:[]  from @84
-  (byte) form_field_idx#24 ← phi( @84/(byte) form_field_idx#1 )
-  (byte) keyboard_modifiers#33 ← phi( @84/(byte) keyboard_modifiers#9 )
-  (byte) keyboard_events_size#36 ← phi( @84/(byte) keyboard_events_size#8 )
-  (signed byte) form_cursor_count#17 ← phi( @84/(signed byte) form_cursor_count#1 )
-  (byte*) print_char_cursor#36 ← phi( @84/(byte*) print_char_cursor#11 )
-  (byte*) print_line_cursor#35 ← phi( @84/(byte*) print_line_cursor#10 )
-  (byte*) print_screen#17 ← phi( @84/(byte*) print_screen#4 )
+  to:@86
+@86: scope:[]  from @85
+  (byte) form_field_idx#24 ← phi( @85/(byte) form_field_idx#1 )
+  (byte) keyboard_modifiers#33 ← phi( @85/(byte) keyboard_modifiers#9 )
+  (byte) keyboard_events_size#36 ← phi( @85/(byte) keyboard_events_size#8 )
+  (signed byte) form_cursor_count#17 ← phi( @85/(signed byte) form_cursor_count#1 )
+  (byte*) print_char_cursor#36 ← phi( @85/(byte*) print_char_cursor#11 )
+  (byte*) print_line_cursor#35 ← phi( @85/(byte*) print_line_cursor#10 )
+  (byte*) print_screen#17 ← phi( @85/(byte*) print_screen#4 )
   (byte*) print_screen#8 ← (byte*) print_screen#17
   (byte*) print_line_cursor#18 ← (byte*) print_line_cursor#35
   (byte*) print_char_cursor#19 ← (byte*) print_char_cursor#36
@@ -3773,7 +3774,7 @@ form_control::@16: scope:[form_control]  from form_control::@5
   (byte) keyboard_modifiers#16 ← (byte) keyboard_modifiers#33
   (byte) form_field_idx#10 ← (byte) form_field_idx#24
   to:@end
-@end: scope:[]  from @85
+@end: scope:[]  from @86
 
 SYMBOL TABLE SSA
 (byte~) $0
@@ -3818,17 +3819,17 @@ SYMBOL TABLE SSA
 (byte*~) $8
 (byte*~) $9
 (label) @17
-(label) @33
+(label) @34
 (label) @4
-(label) @40
-(label) @44
-(label) @47
-(label) @56
-(label) @59
-(label) @61
-(label) @80
-(label) @84
+(label) @41
+(label) @45
+(label) @48
+(label) @57
+(label) @60
+(label) @62
+(label) @81
 (label) @85
+(label) @86
 (label) @begin
 (label) @end
 (byte*) BGCOL
@@ -10879,16 +10880,16 @@ Added new block during phi lifting form_control::@38(between form_control::@19 a
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @4
 Adding NOP phi() at start of @17
-Adding NOP phi() at start of @33
-Adding NOP phi() at start of @40
-Adding NOP phi() at start of @44
-Adding NOP phi() at start of @47
-Adding NOP phi() at start of @56
-Adding NOP phi() at start of @59
-Adding NOP phi() at start of @61
-Adding NOP phi() at start of @80
-Adding NOP phi() at start of @84
+Adding NOP phi() at start of @34
+Adding NOP phi() at start of @41
+Adding NOP phi() at start of @45
+Adding NOP phi() at start of @48
+Adding NOP phi() at start of @57
+Adding NOP phi() at start of @60
+Adding NOP phi() at start of @62
+Adding NOP phi() at start of @81
 Adding NOP phi() at start of @85
+Adding NOP phi() at start of @86
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@7
 Adding NOP phi() at start of main::@8
@@ -11361,15 +11362,15 @@ Coalesced (already) [1230] gfx_init_screen0::ch#7 ← gfx_init_screen0::ch#1
 Coalesced down to 120 phi equivalence classes
 Culled Empty Block (label) @4
 Culled Empty Block (label) @17
-Culled Empty Block (label) @33
-Culled Empty Block (label) @40
-Culled Empty Block (label) @44
-Culled Empty Block (label) @47
-Culled Empty Block (label) @56
-Culled Empty Block (label) @59
-Culled Empty Block (label) @61
-Culled Empty Block (label) @80
-Culled Empty Block (label) @85
+Culled Empty Block (label) @34
+Culled Empty Block (label) @41
+Culled Empty Block (label) @45
+Culled Empty Block (label) @48
+Culled Empty Block (label) @57
+Culled Empty Block (label) @60
+Culled Empty Block (label) @62
+Culled Empty Block (label) @81
+Culled Empty Block (label) @86
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) main::@10
 Culled Empty Block (label) gfx_mode::@25
@@ -11521,7 +11522,7 @@ Culled Empty Block (label) gfx_init_screen1::@5
 Culled Empty Block (label) gfx_init_screen1::@6
 Culled Empty Block (label) gfx_init_screen0::@5
 Culled Empty Block (label) gfx_init_screen0::@6
-Renumbering block @84 to @1
+Renumbering block @85 to @1
 Renumbering block memset::@2 to memset::@1
 Renumbering block memset::@4 to memset::@2
 Renumbering block print_str_lines::@4 to print_str_lines::@2
diff --git a/src/test/ref/c64dtv-gfxmodes.log b/src/test/ref/c64dtv-gfxmodes.log
index 10ee0ca48..7a8827f7b 100644
--- a/src/test/ref/c64dtv-gfxmodes.log
+++ b/src/test/ref/c64dtv-gfxmodes.log
@@ -54,19 +54,20 @@ Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
-Culled Empty Block (label) @41
-Culled Empty Block (label) keyboard_matrix_read::@1
+Culled Empty Block (label) @40
 Culled Empty Block (label) @42
-Culled Empty Block (label) keyboard_key_pressed::@1
+Culled Empty Block (label) keyboard_matrix_read::@1
 Culled Empty Block (label) @43
+Culled Empty Block (label) keyboard_key_pressed::@1
 Culled Empty Block (label) @44
 Culled Empty Block (label) @45
 Culled Empty Block (label) @46
+Culled Empty Block (label) @47
 Culled Empty Block (label) bitmap_init::@8
-Culled Empty Block (label) @48
-Culled Empty Block (label) bitmap_clear::@4
 Culled Empty Block (label) @49
+Culled Empty Block (label) bitmap_clear::@4
 Culled Empty Block (label) @50
+Culled Empty Block (label) @51
 Culled Empty Block (label) bitmap_line::@12
 Culled Empty Block (label) bitmap_line::@6
 Culled Empty Block (label) bitmap_line::@14
@@ -81,15 +82,15 @@ Culled Empty Block (label) bitmap_line::@24
 Culled Empty Block (label) bitmap_line::@23
 Culled Empty Block (label) bitmap_line::@26
 Culled Empty Block (label) bitmap_line::@28
-Culled Empty Block (label) @51
-Culled Empty Block (label) bitmap_line_xdyi::@4
 Culled Empty Block (label) @52
-Culled Empty Block (label) bitmap_line_xdyd::@4
+Culled Empty Block (label) bitmap_line_xdyi::@4
 Culled Empty Block (label) @53
-Culled Empty Block (label) bitmap_line_ydxi::@4
+Culled Empty Block (label) bitmap_line_xdyd::@4
 Culled Empty Block (label) @54
-Culled Empty Block (label) bitmap_line_ydxd::@4
+Culled Empty Block (label) bitmap_line_ydxi::@4
 Culled Empty Block (label) @55
+Culled Empty Block (label) bitmap_line_ydxd::@4
+Culled Empty Block (label) @56
 Culled Empty Block (label) main::@4
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::@5
@@ -123,7 +124,6 @@ Culled Empty Block (label) mode_ctrl::@10
 Culled Empty Block (label) mode_ctrl::@11
 Culled Empty Block (label) mode_ctrl::@20
 Culled Empty Block (label) mode_ctrl::@31
-Culled Empty Block (label) @58
 Culled Empty Block (label) @59
 Culled Empty Block (label) @60
 Culled Empty Block (label) @61
@@ -131,11 +131,12 @@ Culled Empty Block (label) @62
 Culled Empty Block (label) @63
 Culled Empty Block (label) @64
 Culled Empty Block (label) @65
-Culled Empty Block (label) mode_twoplanebitmap::@12
 Culled Empty Block (label) @66
+Culled Empty Block (label) mode_twoplanebitmap::@12
 Culled Empty Block (label) @67
 Culled Empty Block (label) @68
 Culled Empty Block (label) @69
+Culled Empty Block (label) @70
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -248,7 +249,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@40
+  to:@41
 print_str_lines: scope:[print_str_lines]  from menu::@48
   (byte*) print_line_cursor#50 ← phi( menu::@48/(byte*) print_line_cursor#12 )
   (byte*) print_char_cursor#52 ← phi( menu::@48/(byte*) print_char_cursor#13 )
@@ -365,7 +366,7 @@ print_set_screen::@return: scope:[print_set_screen]  from print_set_screen
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#23
   return 
   to:@return
-@40: scope:[]  from @17
+@41: scope:[]  from @17
   (byte*) print_char_cursor#97 ← phi( @17/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#97 ← phi( @17/(byte*) print_line_cursor#0 )
   (byte*) print_screen#78 ← phi( @17/(byte*) print_screen#0 )
@@ -389,7 +390,7 @@ print_set_screen::@return: scope:[print_set_screen]  from print_set_screen
   (byte) KEY_SPACE#0 ← (number) $3c
   (byte[8]) keyboard_matrix_row_bitmask#0 ← { (number) $fe, (number) $fd, (number) $fb, (number) $f7, (number) $ef, (number) $df, (number) $bf, (number) $7f }
   (byte[8]) keyboard_matrix_col_bitmask#0 ← { (number) 1, (number) 2, (number) 4, (number) 8, (number) $10, (number) $20, (number) $40, (number) $80 }
-  to:@47
+  to:@48
 keyboard_matrix_read: scope:[keyboard_matrix_read]  from keyboard_key_pressed
   (byte) keyboard_matrix_read::rowid#1 ← phi( keyboard_key_pressed/(byte) keyboard_matrix_read::rowid#0 )
   *((byte*) CIA1_PORT_A#0) ← *((byte[8]) keyboard_matrix_row_bitmask#0 + (byte) keyboard_matrix_read::rowid#1)
@@ -424,16 +425,16 @@ keyboard_key_pressed::@return: scope:[keyboard_key_pressed]  from keyboard_key_p
   (byte) keyboard_key_pressed::return#1 ← (byte) keyboard_key_pressed::return#22
   return 
   to:@return
-@47: scope:[]  from @40
-  (byte*) print_char_cursor#84 ← phi( @40/(byte*) print_char_cursor#97 )
-  (byte*) print_line_cursor#84 ← phi( @40/(byte*) print_line_cursor#97 )
-  (byte*) print_screen#65 ← phi( @40/(byte*) print_screen#78 )
+@48: scope:[]  from @41
+  (byte*) print_char_cursor#84 ← phi( @41/(byte*) print_char_cursor#97 )
+  (byte*) print_line_cursor#84 ← phi( @41/(byte*) print_line_cursor#97 )
+  (byte*) print_screen#65 ← phi( @41/(byte*) print_screen#78 )
   (byte[$100]) bitmap_plot_xlo#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_xhi#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_ylo#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_yhi#0 ← { fill( $100, 0) }
   (byte[$100]) bitmap_plot_bit#0 ← { fill( $100, 0) }
-  to:@56
+  to:@57
 bitmap_init: scope:[bitmap_init]  from mode_stdbitmap::@6
   (byte*) bitmap_init::bitmap#2 ← phi( mode_stdbitmap::@6/(byte*) bitmap_init::bitmap#0 )
   (byte) bitmap_init::bits#0 ← (number) $80
@@ -978,11 +979,11 @@ bitmap_line_ydxd::@3: scope:[bitmap_line_ydxd]  from bitmap_line_ydxd::@5
 bitmap_line_ydxd::@return: scope:[bitmap_line_ydxd]  from bitmap_line_ydxd::@2
   return 
   to:@return
-main: scope:[main]  from @70
-  (byte) dtv_control#130 ← phi( @70/(byte) dtv_control#129 )
-  (byte*) print_char_cursor#54 ← phi( @70/(byte*) print_char_cursor#51 )
-  (byte*) print_line_cursor#52 ← phi( @70/(byte*) print_line_cursor#49 )
-  (byte*) print_screen#33 ← phi( @70/(byte*) print_screen#32 )
+main: scope:[main]  from @71
+  (byte) dtv_control#130 ← phi( @71/(byte) dtv_control#129 )
+  (byte*) print_char_cursor#54 ← phi( @71/(byte*) print_char_cursor#51 )
+  (byte*) print_line_cursor#52 ← phi( @71/(byte*) print_line_cursor#49 )
+  (byte*) print_screen#33 ← phi( @71/(byte*) print_screen#32 )
   asm { sei  }
   *((byte*) PROCPORT_DDR#0) ← (byte) PROCPORT_DDR_MEMORY_MASK#0
   *((byte*) PROCPORT#0) ← (byte) PROCPORT_RAM_IO#0
@@ -1023,12 +1024,12 @@ main::@return: scope:[main]  from main::@1
   (byte) dtv_control#1 ← (byte) dtv_control#56
   return 
   to:@return
-@56: scope:[]  from @47
-  (byte*) print_char_cursor#83 ← phi( @47/(byte*) print_char_cursor#84 )
-  (byte*) print_line_cursor#83 ← phi( @47/(byte*) print_line_cursor#84 )
-  (byte*) print_screen#64 ← phi( @47/(byte*) print_screen#65 )
+@57: scope:[]  from @48
+  (byte*) print_char_cursor#83 ← phi( @48/(byte*) print_char_cursor#84 )
+  (byte*) print_line_cursor#83 ← phi( @48/(byte*) print_line_cursor#84 )
+  (byte*) print_screen#64 ← phi( @48/(byte*) print_screen#65 )
   (byte[]) MENU_TEXT#0 ← (const string) $1
-  to:@57
+  to:@58
 menu: scope:[menu]  from main::@2
   (byte) dtv_control#251 ← phi( main::@2/(byte) dtv_control#98 )
   (byte*) print_char_cursor#98 ← phi( main::@2/(byte*) print_char_cursor#35 )
@@ -1564,12 +1565,12 @@ menu::@73: scope:[menu]  from menu::@44
   (byte) dtv_control#69 ← phi( menu::@44/(byte) dtv_control#53 )
   (byte) dtv_control#14 ← (byte) dtv_control#69
   to:menu::@return
-@57: scope:[]  from @56
-  (byte*) print_char_cursor#69 ← phi( @56/(byte*) print_char_cursor#83 )
-  (byte*) print_line_cursor#67 ← phi( @56/(byte*) print_line_cursor#83 )
-  (byte*) print_screen#49 ← phi( @56/(byte*) print_screen#64 )
+@58: scope:[]  from @57
+  (byte*) print_char_cursor#69 ← phi( @57/(byte*) print_char_cursor#83 )
+  (byte*) print_line_cursor#67 ← phi( @57/(byte*) print_line_cursor#83 )
+  (byte*) print_screen#49 ← phi( @57/(byte*) print_screen#64 )
   (byte) dtv_control#15 ← (number) 0
-  to:@70
+  to:@71
 mode_ctrl: scope:[mode_ctrl]  from mode_8bppchunkybmm::@11 mode_8bpppixelcell::@14 mode_ecmchar::@6 mode_hicolecmchar::@6 mode_hicolmcchar::@6 mode_hicolstdchar::@6 mode_mcchar::@6 mode_sixsfred2::@14 mode_sixsfred::@14 mode_stdbitmap::@8 mode_stdchar::@6 mode_twoplanebitmap::@18
   (byte) dtv_control#144 ← phi( mode_8bppchunkybmm::@11/(byte) dtv_control#128 mode_8bpppixelcell::@14/(byte) dtv_control#127 mode_ecmchar::@6/(byte) dtv_control#118 mode_hicolecmchar::@6/(byte) dtv_control#122 mode_hicolmcchar::@6/(byte) dtv_control#123 mode_hicolstdchar::@6/(byte) dtv_control#121 mode_mcchar::@6/(byte) dtv_control#119 mode_sixsfred2::@14/(byte) dtv_control#126 mode_sixsfred::@14/(byte) dtv_control#125 mode_stdbitmap::@8/(byte) dtv_control#120 mode_stdchar::@6/(byte) dtv_control#117 mode_twoplanebitmap::@18/(byte) dtv_control#124 )
   to:mode_ctrl::@1
@@ -3333,35 +3334,35 @@ mode_8bppchunkybmm::@return: scope:[mode_8bppchunkybmm]  from mode_8bppchunkybmm
   (byte) dtv_control#53 ← (byte) dtv_control#96
   return 
   to:@return
-@70: scope:[]  from @57
-  (byte) dtv_control#129 ← phi( @57/(byte) dtv_control#15 )
-  (byte*) print_char_cursor#51 ← phi( @57/(byte*) print_char_cursor#69 )
-  (byte*) print_line_cursor#49 ← phi( @57/(byte*) print_line_cursor#67 )
-  (byte*) print_screen#32 ← phi( @57/(byte*) print_screen#49 )
+@71: scope:[]  from @58
+  (byte) dtv_control#129 ← phi( @58/(byte) dtv_control#15 )
+  (byte*) print_char_cursor#51 ← phi( @58/(byte*) print_char_cursor#69 )
+  (byte*) print_line_cursor#49 ← phi( @58/(byte*) print_line_cursor#67 )
+  (byte*) print_screen#32 ← phi( @58/(byte*) print_screen#49 )
   call main 
-  to:@71
-@71: scope:[]  from @70
-  (byte) dtv_control#97 ← phi( @70/(byte) dtv_control#1 )
-  (byte*) print_char_cursor#30 ← phi( @70/(byte*) print_char_cursor#11 )
-  (byte*) print_line_cursor#29 ← phi( @70/(byte*) print_line_cursor#10 )
-  (byte*) print_screen#15 ← phi( @70/(byte*) print_screen#4 )
+  to:@72
+@72: scope:[]  from @71
+  (byte) dtv_control#97 ← phi( @71/(byte) dtv_control#1 )
+  (byte*) print_char_cursor#30 ← phi( @71/(byte*) print_char_cursor#11 )
+  (byte*) print_line_cursor#29 ← phi( @71/(byte*) print_line_cursor#10 )
+  (byte*) print_screen#15 ← phi( @71/(byte*) print_screen#4 )
   (byte*) print_screen#7 ← (byte*) print_screen#15
   (byte*) print_line_cursor#15 ← (byte*) print_line_cursor#29
   (byte*) print_char_cursor#16 ← (byte*) print_char_cursor#30
   (byte) dtv_control#54 ← (byte) dtv_control#97
   to:@end
-@end: scope:[]  from @71
+@end: scope:[]  from @72
 
 SYMBOL TABLE SSA
 (const string) $1 = (string) "C64DTV Graphics Modes            CCLHBME@                                 OHIIMCC@                                 LUNCMMM@----------------------------------------@1. Standard Char             (V) 0000000@2. Extended Color Char       (V) 0000001@3. Multicolor Char           (V) 0000010@4. Standard Bitmap           (V) 0000100@5. Multicolor Bitmap         (V) 0000110@6. High Color Standard Char  (H) 0001000@7. High Extended Color Char  (H) 0001001@8. High Multicolor Char      (H) 0001010@9. High Multicolor Bitmap    (H) 0001110@a. Sixs Fred 2               (D) 0010111@b. Two Plane Bitmap          (D) 0011101@c. Sixs Fred (2 Plane MC BM) (D) 0011111@d. 8bpp Pixel Cell           (D) 0111011@e. Chunky 8bpp Bitmap        (D) 1111011@----------------------------------------@    (V) vicII (H) vicII+hicol (D) c64dtv@@"
 (label) @17
 (label) @4
-(label) @40
-(label) @47
-(label) @56
+(label) @41
+(label) @48
 (label) @57
-(label) @70
+(label) @58
 (label) @71
+(label) @72
 (label) @begin
 (label) @end
 (byte*) BGCOL
@@ -10139,12 +10140,12 @@ Added new block during phi lifting mode_8bppchunkybmm::@16(between mode_8bppchun
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @4
 Adding NOP phi() at start of @17
-Adding NOP phi() at start of @40
-Adding NOP phi() at start of @47
-Adding NOP phi() at start of @56
+Adding NOP phi() at start of @41
+Adding NOP phi() at start of @48
 Adding NOP phi() at start of @57
-Adding NOP phi() at start of @70
+Adding NOP phi() at start of @58
 Adding NOP phi() at start of @71
+Adding NOP phi() at start of @72
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@1
 Adding NOP phi() at start of main::@2
@@ -10557,11 +10558,11 @@ Coalesced [1226] memset::dst#3 ← memset::dst#1
 Coalesced down to 125 phi equivalence classes
 Culled Empty Block (label) @4
 Culled Empty Block (label) @17
-Culled Empty Block (label) @40
-Culled Empty Block (label) @47
-Culled Empty Block (label) @56
+Culled Empty Block (label) @41
+Culled Empty Block (label) @48
 Culled Empty Block (label) @57
-Culled Empty Block (label) @71
+Culled Empty Block (label) @58
+Culled Empty Block (label) @72
 Culled Empty Block (label) main::@1
 Culled Empty Block (label) main::@7
 Culled Empty Block (label) menu::@2
@@ -10695,7 +10696,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @70 to @1
+Renumbering block @71 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_str_lines::@4 to print_str_lines::@2
 Renumbering block print_str_lines::@5 to print_str_lines::@3
diff --git a/src/test/ref/cia-timer-cyclecount.log b/src/test/ref/cia-timer-cyclecount.log
index 92f96d34c..5a69a931c 100644
--- a/src/test/ref/cia-timer-cyclecount.log
+++ b/src/test/ref/cia-timer-cyclecount.log
@@ -39,12 +39,13 @@ Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
-Culled Empty Block (label) @35
+Culled Empty Block (label) @34
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
 Culled Empty Block (label) @40
+Culled Empty Block (label) @41
 Culled Empty Block (label) main::@4
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::@5
@@ -63,7 +64,7 @@ CONTROL FLOW GRAPH SSA
   to:@4
 @4: scope:[]  from @begin
   (dword) CLOCKS_PER_INIT#0 ← (number) $12
-  to:@34
+  to:@35
 clock: scope:[clock]  from main::@7
   (number~) clock::$0 ← (number) $ffffffff - *((dword*) CIA2_TIMER_AB#0)
   (dword) clock::return#0 ← (number~) clock::$0
@@ -135,9 +136,9 @@ print_dword_at::@2: scope:[print_dword_at]  from print_dword_at::@1
 print_dword_at::@return: scope:[print_dword_at]  from print_dword_at::@2
   return 
   to:@return
-@34: scope:[]  from @4
+@35: scope:[]  from @4
   (byte[]) print_hextab#0 ← (const string) $1
-  to:@41
+  to:@42
 print_byte_at: scope:[print_byte_at]  from print_word_at print_word_at::@1
   (byte*) print_byte_at::at#2 ← phi( print_word_at/(byte*) print_byte_at::at#0 print_word_at::@1/(byte*) print_byte_at::at#1 )
   (byte) print_byte_at::b#2 ← phi( print_word_at/(byte) print_byte_at::b#0 print_word_at::@1/(byte) print_byte_at::b#1 )
@@ -168,10 +169,10 @@ print_char_at: scope:[print_char_at]  from print_byte_at print_byte_at::@1
 print_char_at::@return: scope:[print_char_at]  from print_char_at
   return 
   to:@return
-@41: scope:[]  from @34
+@42: scope:[]  from @35
   (byte*) SCREEN#0 ← ((byte*)) (number) $400
-  to:@42
-main: scope:[main]  from @42
+  to:@43
+main: scope:[main]  from @43
   to:main::@1
 main::@1: scope:[main]  from main main::@9
   if(true) goto main::@2
@@ -198,20 +199,20 @@ main::@9: scope:[main]  from main::@8
 main::@return: scope:[main]  from main::@1
   return 
   to:@return
-@42: scope:[]  from @41
-  call main 
-  to:@43
 @43: scope:[]  from @42
+  call main 
+  to:@44
+@44: scope:[]  from @43
   to:@end
-@end: scope:[]  from @43
+@end: scope:[]  from @44
 
 SYMBOL TABLE SSA
 (const string) $1 = (string) "0123456789abcdef"
-(label) @34
+(label) @35
 (label) @4
-(label) @41
 (label) @42
 (label) @43
+(label) @44
 (label) @begin
 (label) @end
 (dword*) CIA2_TIMER_AB
@@ -472,10 +473,10 @@ Constant inlined clock_start::$3 = (const byte) CIA_TIMER_CONTROL_B_COUNT_UNDERF
 Successful SSA optimization Pass2ConstantInlining
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @4
-Adding NOP phi() at start of @34
-Adding NOP phi() at start of @41
+Adding NOP phi() at start of @35
 Adding NOP phi() at start of @42
 Adding NOP phi() at start of @43
+Adding NOP phi() at start of @44
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -504,15 +505,15 @@ Coalesced [51] print_char_at::ch#4 ← print_char_at::ch#1
 Coalesced [52] print_char_at::at#4 ← print_char_at::at#1
 Coalesced down to 6 phi equivalence classes
 Culled Empty Block (label) @4
-Culled Empty Block (label) @34
-Culled Empty Block (label) @41
-Culled Empty Block (label) @43
+Culled Empty Block (label) @35
+Culled Empty Block (label) @42
+Culled Empty Block (label) @44
 Culled Empty Block (label) main::@1
 Culled Empty Block (label) main::@9
 Culled Empty Block (label) print_dword_at::@2
 Culled Empty Block (label) print_word_at::@2
 Culled Empty Block (label) print_byte_at::@2
-Renumbering block @42 to @1
+Renumbering block @43 to @1
 Renumbering block main::@2 to main::@1
 Renumbering block main::@7 to main::@2
 Renumbering block main::@8 to main::@3
diff --git a/src/test/ref/cia-timer-simple.log b/src/test/ref/cia-timer-simple.log
index a29b33c69..28b958114 100644
--- a/src/test/ref/cia-timer-simple.log
+++ b/src/test/ref/cia-timer-simple.log
@@ -40,12 +40,13 @@ Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
-Culled Empty Block (label) @35
+Culled Empty Block (label) @34
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
 Culled Empty Block (label) @40
+Culled Empty Block (label) @41
 Culled Empty Block (label) main::@4
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::@5
@@ -61,7 +62,7 @@ CONTROL FLOW GRAPH SSA
   (byte) CIA_TIMER_CONTROL_CONTINUOUS#0 ← (number) 0
   (byte) CIA_TIMER_CONTROL_A_COUNT_CYCLES#0 ← (number) 0
   (byte) CIA_TIMER_CONTROL_B_COUNT_UNDERFLOW_A#0 ← (number) $40
-  to:@34
+  to:@35
 clock: scope:[clock]  from main::@2
   (number~) clock::$0 ← (number) $ffffffff - *((dword*) CIA2_TIMER_AB#0)
   (dword) clock::return#0 ← (number~) clock::$0
@@ -133,9 +134,9 @@ print_dword_at::@2: scope:[print_dword_at]  from print_dword_at::@1
 print_dword_at::@return: scope:[print_dword_at]  from print_dword_at::@2
   return 
   to:@return
-@34: scope:[]  from @begin
+@35: scope:[]  from @begin
   (byte[]) print_hextab#0 ← (const string) $1
-  to:@41
+  to:@42
 print_byte_at: scope:[print_byte_at]  from print_word_at print_word_at::@1
   (byte*) print_byte_at::at#2 ← phi( print_word_at/(byte*) print_byte_at::at#0 print_word_at::@1/(byte*) print_byte_at::at#1 )
   (byte) print_byte_at::b#2 ← phi( print_word_at/(byte) print_byte_at::b#0 print_word_at::@1/(byte) print_byte_at::b#1 )
@@ -166,10 +167,10 @@ print_char_at: scope:[print_char_at]  from print_byte_at print_byte_at::@1
 print_char_at::@return: scope:[print_char_at]  from print_char_at
   return 
   to:@return
-@41: scope:[]  from @34
+@42: scope:[]  from @35
   (byte*) SCREEN#0 ← ((byte*)) (number) $400
-  to:@42
-main: scope:[main]  from @42
+  to:@43
+main: scope:[main]  from @43
   call clock_start 
   to:main::@7
 main::@7: scope:[main]  from main
@@ -193,19 +194,19 @@ main::@9: scope:[main]  from main::@8
 main::@return: scope:[main]  from main::@1
   return 
   to:@return
-@42: scope:[]  from @41
-  call main 
-  to:@43
 @43: scope:[]  from @42
+  call main 
+  to:@44
+@44: scope:[]  from @43
   to:@end
-@end: scope:[]  from @43
+@end: scope:[]  from @44
 
 SYMBOL TABLE SSA
 (const string) $1 = (string) "0123456789abcdef"
-(label) @34
-(label) @41
+(label) @35
 (label) @42
 (label) @43
+(label) @44
 (label) @begin
 (label) @end
 (dword*) CIA2_TIMER_AB
@@ -455,10 +456,10 @@ Constant inlined $1 = (const byte[]) print_hextab#0
 Constant inlined clock_start::$3 = (const byte) CIA_TIMER_CONTROL_B_COUNT_UNDERFLOW_A#0
 Successful SSA optimization Pass2ConstantInlining
 Adding NOP phi() at start of @begin
-Adding NOP phi() at start of @34
-Adding NOP phi() at start of @41
+Adding NOP phi() at start of @35
 Adding NOP phi() at start of @42
 Adding NOP phi() at start of @43
+Adding NOP phi() at start of @44
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@7
@@ -487,16 +488,16 @@ Coalesced [43] print_char_at::at#3 ← print_char_at::at#0
 Coalesced [48] print_char_at::ch#4 ← print_char_at::ch#1
 Coalesced [49] print_char_at::at#4 ← print_char_at::at#1
 Coalesced down to 6 phi equivalence classes
-Culled Empty Block (label) @34
-Culled Empty Block (label) @41
-Culled Empty Block (label) @43
+Culled Empty Block (label) @35
+Culled Empty Block (label) @42
+Culled Empty Block (label) @44
 Culled Empty Block (label) main::@7
 Culled Empty Block (label) main::@1
 Culled Empty Block (label) main::@9
 Culled Empty Block (label) print_dword_at::@2
 Culled Empty Block (label) print_word_at::@2
 Culled Empty Block (label) print_byte_at::@2
-Renumbering block @42 to @1
+Renumbering block @43 to @1
 Renumbering block main::@2 to main::@1
 Renumbering block main::@8 to main::@2
 Adding NOP phi() at start of @begin
diff --git a/src/test/ref/complex/splines/truetype-splines.log b/src/test/ref/complex/splines/truetype-splines.log
index 5eaf5ce05..a799cf636 100644
--- a/src/test/ref/complex/splines/truetype-splines.log
+++ b/src/test/ref/complex/splines/truetype-splines.log
@@ -606,15 +606,16 @@ Culled Empty Block (label) @46
 Culled Empty Block (label) @47
 Culled Empty Block (label) @48
 Culled Empty Block (label) @49
-Culled Empty Block (label) @51
+Culled Empty Block (label) @50
 Culled Empty Block (label) @52
 Culled Empty Block (label) @53
 Culled Empty Block (label) @54
 Culled Empty Block (label) @55
 Culled Empty Block (label) @56
 Culled Empty Block (label) @57
-Culled Empty Block (label) mulf16u::@1
 Culled Empty Block (label) @58
+Culled Empty Block (label) mulf16u::@1
+Culled Empty Block (label) @59
 Culled Empty Block (label) mulf16s::@5
 Culled Empty Block (label) main::vicSelectGfxBank1_toDd001_@1
 Culled Empty Block (label) main::vicSelectGfxBank1_@return
@@ -629,12 +630,12 @@ Culled Empty Block (label) main::@16
 Culled Empty Block (label) main::@15
 Culled Empty Block (label) main::@17
 Culled Empty Block (label) main::@18
-Culled Empty Block (label) @60
+Culled Empty Block (label) @61
 Culled Empty Block (label) show_letter::@4
 Culled Empty Block (label) show_letter::@8
 Culled Empty Block (label) show_letter::@9
 Culled Empty Block (label) show_letter::@10
-Culled Empty Block (label) @61
+Culled Empty Block (label) @62
 Culled Empty Block (label) bitmap_plot_spline_8seg::@2
 Culled Empty Block (label) rotate::@1
 Unwinding list assignment { (signed word) show_letter::$2_x, (signed word) show_letter::$2_y } ← { (signed word) rotate::return_x, (signed word) rotate::return_y }
@@ -1190,15 +1191,15 @@ sgn_u16::@return: scope:[sgn_u16]  from sgn_u16::@1 sgn_u16::@3
   (byte*) CIA2_PORT_A_DDR#0 ← ((byte*)) (number) $dd02
   (byte) BLACK#0 ← (number) 0
   (byte) WHITE#0 ← (number) 1
-  to:@50
-@50: scope:[]  from @13
+  to:@51
+@51: scope:[]  from @13
   (byte*) bitmap_screen#27 ← phi( @13/(byte*) bitmap_screen#32 )
   (byte*) bitmap_gfx#28 ← phi( @13/(byte*) bitmap_gfx#33 )
   (byte[$200]) mulf_sqr1_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr1_hi#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_hi#0 ← { fill( $200, 0) }
-  to:@59
+  to:@60
 mulf_init: scope:[mulf_init]  from main
   (word) mulf_init::sqr#0 ← (number) 0
   (byte) mulf_init::x_2#0 ← (number) 0
@@ -1368,18 +1369,18 @@ mulf16s::@return: scope:[mulf16s]  from mulf16s::@2
   (signed dword) mulf16s::return#1 ← (signed dword) mulf16s::return#6
   return 
   to:@return
-@59: scope:[]  from @50
-  (byte*) bitmap_screen#25 ← phi( @50/(byte*) bitmap_screen#27 )
-  (byte*) bitmap_gfx#26 ← phi( @50/(byte*) bitmap_gfx#28 )
+@60: scope:[]  from @51
+  (byte*) bitmap_screen#25 ← phi( @51/(byte*) bitmap_screen#27 )
+  (byte*) bitmap_gfx#26 ← phi( @51/(byte*) bitmap_gfx#28 )
   (byte*) PRINT_SCREEN#0 ← ((byte*)) (number) $400
   (byte*) BITMAP_SCREEN#0 ← ((byte*)) (number) $5c00
   (byte*) BITMAP_GRAPHICS#0 ← ((byte*)) (number) $6000
   (struct Segment[$16]) letter_c#0 ← { fill( $16, 0) }
-  to:@62
-main: scope:[main]  from @63
-  (signed byte*) COS#33 ← phi( @63/(signed byte*) COS#34 )
-  (byte*) bitmap_screen#18 ← phi( @63/(byte*) bitmap_screen#15 )
-  (byte*) bitmap_gfx#19 ← phi( @63/(byte*) bitmap_gfx#15 )
+  to:@63
+main: scope:[main]  from @64
+  (signed byte*) COS#33 ← phi( @64/(signed byte*) COS#34 )
+  (byte*) bitmap_screen#18 ← phi( @64/(byte*) bitmap_screen#15 )
+  (byte*) bitmap_gfx#19 ← phi( @64/(byte*) bitmap_gfx#15 )
   (number~) main::$16 ← (number) 0 * (const byte) SIZEOF_STRUCT_SEGMENT
   (byte*) main::$38 ← (byte*)(struct Segment[$16]) letter_c#0 + (const byte) OFFSET_STRUCT_SEGMENT_TYPE
   *((byte*) main::$38 + (number~) main::$16) ← (const byte) MOVE_TO
@@ -2085,15 +2086,15 @@ bitmap_plot_spline_8seg::@3: scope:[bitmap_plot_spline_8seg]  from bitmap_plot_s
 bitmap_plot_spline_8seg::@return: scope:[bitmap_plot_spline_8seg]  from bitmap_plot_spline_8seg::@3
   return 
   to:@return
-@62: scope:[]  from @59
-  (byte*) bitmap_screen#21 ← phi( @59/(byte*) bitmap_screen#25 )
-  (byte*) bitmap_gfx#22 ← phi( @59/(byte*) bitmap_gfx#26 )
+@63: scope:[]  from @60
+  (byte*) bitmap_screen#21 ← phi( @60/(byte*) bitmap_screen#25 )
+  (byte*) bitmap_gfx#22 ← phi( @60/(byte*) bitmap_gfx#26 )
   (signed byte[$140]) SIN#0 ← kickasm {{ .for(var i=0;i<$140;i++)
         .byte >round($7fff*sin(i*2*PI/256))
  }}
   (signed byte*~) $1 ← (signed byte[$140]) SIN#0 + (number) $40
   (signed byte*) COS#0 ← (signed byte*~) $1
-  to:@63
+  to:@64
 rotate: scope:[rotate]  from show_letter::@1 show_letter::@11
   (signed word) rotate::vector_y#4 ← phi( show_letter::@1/(signed word) rotate::vector_y#0 show_letter::@11/(signed word) rotate::vector_y#1 )
   (signed word) rotate::vector_x#2 ← phi( show_letter::@1/(signed word) rotate::vector_x#0 show_letter::@11/(signed word) rotate::vector_x#1 )
@@ -2181,29 +2182,29 @@ rotate::@return: scope:[rotate]  from rotate::@5
   (struct SplineVector16) rotate::return#1 ← struct-unwound {(signed word) rotate::return_x#3, (signed word) rotate::return_y#3}
   return 
   to:@return
-@63: scope:[]  from @62
-  (signed byte*) COS#34 ← phi( @62/(signed byte*) COS#0 )
-  (byte*) bitmap_screen#15 ← phi( @62/(byte*) bitmap_screen#21 )
-  (byte*) bitmap_gfx#15 ← phi( @62/(byte*) bitmap_gfx#22 )
-  call main 
-  to:@64
 @64: scope:[]  from @63
-  (byte*) bitmap_screen#10 ← phi( @63/(byte*) bitmap_screen#4 )
-  (byte*) bitmap_gfx#10 ← phi( @63/(byte*) bitmap_gfx#4 )
+  (signed byte*) COS#34 ← phi( @63/(signed byte*) COS#0 )
+  (byte*) bitmap_screen#15 ← phi( @63/(byte*) bitmap_screen#21 )
+  (byte*) bitmap_gfx#15 ← phi( @63/(byte*) bitmap_gfx#22 )
+  call main 
+  to:@65
+@65: scope:[]  from @64
+  (byte*) bitmap_screen#10 ← phi( @64/(byte*) bitmap_screen#4 )
+  (byte*) bitmap_gfx#10 ← phi( @64/(byte*) bitmap_gfx#4 )
   (byte*) bitmap_gfx#5 ← (byte*) bitmap_gfx#10
   (byte*) bitmap_screen#5 ← (byte*) bitmap_screen#10
   to:@end
-@end: scope:[]  from @64
+@end: scope:[]  from @65
 
 SYMBOL TABLE SSA
 (signed byte*~) $1
 (label) @1
 (label) @13
-(label) @50
-(label) @59
-(label) @62
+(label) @51
+(label) @60
 (label) @63
 (label) @64
+(label) @65
 (label) @7
 (label) @begin
 (label) @end
@@ -6118,11 +6119,11 @@ Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @1
 Adding NOP phi() at start of @7
 Adding NOP phi() at start of @13
-Adding NOP phi() at start of @50
-Adding NOP phi() at start of @59
-Adding NOP phi() at start of @62
+Adding NOP phi() at start of @51
+Adding NOP phi() at start of @60
 Adding NOP phi() at start of @63
 Adding NOP phi() at start of @64
+Adding NOP phi() at start of @65
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@21
 Adding NOP phi() at start of main::@22
@@ -6272,10 +6273,10 @@ Coalesced down to 49 phi equivalence classes
 Culled Empty Block (label) @1
 Culled Empty Block (label) @7
 Culled Empty Block (label) @13
-Culled Empty Block (label) @50
-Culled Empty Block (label) @59
-Culled Empty Block (label) @62
-Culled Empty Block (label) @64
+Culled Empty Block (label) @51
+Culled Empty Block (label) @60
+Culled Empty Block (label) @63
+Culled Empty Block (label) @65
 Culled Empty Block (label) main::@23
 Culled Empty Block (label) main::vicSelectGfxBank1_toDd001_@return
 Culled Empty Block (label) main::@19
@@ -6313,7 +6314,7 @@ Culled Empty Block (label) mulf_init::@7
 Culled Empty Block (label) mulf_init::@11
 Culled Empty Block (label) mulf_init::@9
 Culled Empty Block (label) mulf_init::@10
-Renumbering block @63 to @1
+Renumbering block @64 to @1
 Renumbering block memset::@2 to memset::@1
 Renumbering block memset::@4 to memset::@2
 Renumbering block bitmap_init::@5 to bitmap_init::@3
diff --git a/src/test/ref/constants.log b/src/test/ref/constants.log
index c3d9255eb..cdb47afe1 100644
--- a/src/test/ref/constants.log
+++ b/src/test/ref/constants.log
@@ -46,11 +46,12 @@ Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
-Culled Empty Block (label) @36
+Culled Empty Block (label) @35
 Culled Empty Block (label) @37
-Culled Empty Block (label) assert_byte::@4
 Culled Empty Block (label) @38
+Culled Empty Block (label) assert_byte::@4
 Culled Empty Block (label) @39
+Culled Empty Block (label) @40
 Culled Empty Block (label) assert_sbyte::@4
 
 CONTROL FLOW GRAPH SSA
@@ -96,7 +97,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@35
+  to:@36
 print_str: scope:[print_str]  from assert_byte assert_byte::@1 assert_byte::@3 assert_byte::@5 assert_sbyte assert_sbyte::@1 assert_sbyte::@3 assert_sbyte::@5
   (byte*) print_char_cursor#80 ← phi( assert_byte/(byte*) print_char_cursor#70 assert_byte::@1/(byte*) print_char_cursor#71 assert_byte::@3/(byte*) print_char_cursor#72 assert_byte::@5/(byte*) print_char_cursor#15 assert_sbyte/(byte*) print_char_cursor#75 assert_sbyte::@1/(byte*) print_char_cursor#76 assert_sbyte::@3/(byte*) print_char_cursor#77 assert_sbyte::@5/(byte*) print_char_cursor#27 )
   (byte*) print_str::str#11 ← phi( assert_byte/(byte*) print_str::str#1 assert_byte::@1/(byte*) print_str::str#3 assert_byte::@3/(byte*) print_str::str#4 assert_byte::@5/(byte*) print_str::str#2 assert_sbyte/(byte*) print_str::str#5 assert_sbyte::@1/(byte*) print_str::str#7 assert_sbyte::@3/(byte*) print_str::str#8 assert_sbyte::@5/(byte*) print_str::str#6 )
@@ -162,18 +163,18 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#6 ← (byte*) print_char_cursor#38
   return 
   to:@return
-@35: scope:[]  from @12
+@36: scope:[]  from @12
   (byte*) print_screen#5 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#81 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#58 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte*) BGCOL#0 ← ((byte*)) (number) $d021
   (byte) GREEN#0 ← (number) 5
   (byte) RED#0 ← (number) 2
-  to:@40
-main: scope:[main]  from @40
-  (byte*) print_char_cursor#68 ← phi( @40/(byte*) print_char_cursor#79 )
-  (byte*) print_line_cursor#48 ← phi( @40/(byte*) print_line_cursor#53 )
-  (byte*) print_screen#3 ← phi( @40/(byte*) print_screen#4 )
+  to:@41
+main: scope:[main]  from @41
+  (byte*) print_char_cursor#68 ← phi( @41/(byte*) print_char_cursor#79 )
+  (byte*) print_line_cursor#48 ← phi( @41/(byte*) print_line_cursor#53 )
+  (byte*) print_screen#3 ← phi( @41/(byte*) print_screen#4 )
   call print_cls 
   to:main::@1
 main::@1: scope:[main]  from main
@@ -461,25 +462,25 @@ assert_sbyte::@return: scope:[assert_sbyte]  from assert_sbyte::@9
   (byte*) print_line_cursor#22 ← (byte*) print_line_cursor#45
   return 
   to:@return
-@40: scope:[]  from @35
-  (byte*) print_screen#4 ← phi( @35/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#79 ← phi( @35/(byte*) print_char_cursor#81 )
-  (byte*) print_line_cursor#53 ← phi( @35/(byte*) print_line_cursor#58 )
+@41: scope:[]  from @36
+  (byte*) print_screen#4 ← phi( @36/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#79 ← phi( @36/(byte*) print_char_cursor#81 )
+  (byte*) print_line_cursor#53 ← phi( @36/(byte*) print_line_cursor#58 )
   call main 
-  to:@41
-@41: scope:[]  from @40
-  (byte*) print_char_cursor#65 ← phi( @40/(byte*) print_char_cursor#10 )
-  (byte*) print_line_cursor#46 ← phi( @40/(byte*) print_line_cursor#8 )
+  to:@42
+@42: scope:[]  from @41
+  (byte*) print_char_cursor#65 ← phi( @41/(byte*) print_char_cursor#10 )
+  (byte*) print_line_cursor#46 ← phi( @41/(byte*) print_line_cursor#8 )
   (byte*) print_line_cursor#23 ← (byte*) print_line_cursor#46
   (byte*) print_char_cursor#33 ← (byte*) print_char_cursor#65
   to:@end
-@end: scope:[]  from @41
+@end: scope:[]  from @42
 
 SYMBOL TABLE SSA
 (label) @12
-(label) @35
-(label) @40
+(label) @36
 (label) @41
+(label) @42
 (label) @begin
 (label) @end
 (byte*) BGCOL
@@ -1229,9 +1230,9 @@ Added new block during phi lifting memset::@6(between memset::@4 and memset::@4)
 Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @40
+Adding NOP phi() at start of @36
 Adding NOP phi() at start of @41
+Adding NOP phi() at start of @42
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@2
@@ -1291,8 +1292,8 @@ Coalesced (already) [91] print_char_cursor#83 ← print_char_cursor#2
 Coalesced [106] memset::dst#3 ← memset::dst#1
 Coalesced down to 10 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @35
-Culled Empty Block (label) @41
+Culled Empty Block (label) @36
+Culled Empty Block (label) @42
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) test_sbytes::@5
 Culled Empty Block (label) assert_sbyte::@8
@@ -1308,7 +1309,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @40 to @1
+Renumbering block @41 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block assert_byte::@5 to assert_byte::@4
 Renumbering block assert_byte::@6 to assert_byte::@5
diff --git a/src/test/ref/cordic-atan2-16-ref.log b/src/test/ref/cordic-atan2-16-ref.log
index c47a91898..35437e73b 100644
--- a/src/test/ref/cordic-atan2-16-ref.log
+++ b/src/test/ref/cordic-atan2-16-ref.log
@@ -56,18 +56,19 @@ Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
-Culled Empty Block (label) @36
+Culled Empty Block (label) @35
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
 Culled Empty Block (label) @40
 Culled Empty Block (label) @41
+Culled Empty Block (label) @42
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) main::@7
 Culled Empty Block (label) main::@9
 Culled Empty Block (label) main::@10
-Culled Empty Block (label) @43
+Culled Empty Block (label) @44
 Culled Empty Block (label) diff::@4
 Culled Empty Block (label) diff::@5
 Culled Empty Block (label) diff::@6
@@ -369,7 +370,7 @@ atan2_16::@return: scope:[atan2_16]  from atan2_16::@8
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@35
+  to:@36
 print_word: scope:[print_word]  from main::@4
   (byte*) print_char_cursor#23 ← phi( main::@4/(byte*) print_char_cursor#25 )
   (word) print_word::w#1 ← phi( main::@4/(word) print_word::w#0 )
@@ -394,10 +395,10 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#3 ← (byte*) print_char_cursor#14
   return 
   to:@return
-@35: scope:[]  from @19
+@36: scope:[]  from @19
   (byte*) print_char_cursor#31 ← phi( @19/(byte*) print_char_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@42
+  to:@43
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#24 ← phi( print_word/(byte*) print_char_cursor#23 print_word::@1/(byte*) print_char_cursor#1 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -433,17 +434,17 @@ print_char::@return: scope:[print_char]  from print_char
   (byte*) print_char_cursor#8 ← (byte*) print_char_cursor#19
   return 
   to:@return
-@42: scope:[]  from @35
-  (byte*) print_char_cursor#30 ← phi( @35/(byte*) print_char_cursor#31 )
+@43: scope:[]  from @36
+  (byte*) print_char_cursor#30 ← phi( @36/(byte*) print_char_cursor#31 )
   (byte*) CHARSET#0 ← ((byte*)) (number) $2000
   (byte*) SCREEN#0 ← ((byte*)) (number) $2800
   (byte[$3e8]) SCREEN_REF#0 ← kickasm {{ .for(var y=-12;y<=12;y++)
         .for(var x=-19;x<=20;x++)
             .byte round(256*atan2(y, x)/PI/2)
  }}
-  to:@44
-main: scope:[main]  from @44
-  (byte*) print_char_cursor#40 ← phi( @44/(byte*) print_char_cursor#27 )
+  to:@45
+main: scope:[main]  from @45
+  (byte*) print_char_cursor#40 ← phi( @45/(byte*) print_char_cursor#27 )
   (byte*) init_font_hex::charset#1 ← (byte*) CHARSET#0
   call init_font_hex 
   to:main::@12
@@ -612,25 +613,25 @@ diff::@return: scope:[diff]  from diff::@3
   (byte) diff::return#2 ← (byte) diff::return#4
   return 
   to:@return
-@44: scope:[]  from @42
-  (byte*) print_char_cursor#27 ← phi( @42/(byte*) print_char_cursor#30 )
+@45: scope:[]  from @43
+  (byte*) print_char_cursor#27 ← phi( @43/(byte*) print_char_cursor#30 )
   call main 
-  to:@45
-@45: scope:[]  from @44
-  (byte*) print_char_cursor#22 ← phi( @44/(byte*) print_char_cursor#10 )
+  to:@46
+@46: scope:[]  from @45
+  (byte*) print_char_cursor#22 ← phi( @45/(byte*) print_char_cursor#10 )
   (byte*) print_char_cursor#11 ← (byte*) print_char_cursor#22
   to:@end
-@end: scope:[]  from @45
+@end: scope:[]  from @46
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @1
 (label) @19
 (label) @3
-(label) @35
-(label) @42
-(label) @44
+(label) @36
+(label) @43
 (label) @45
+(label) @46
 (label) @begin
 (label) @end
 (byte*) CHARSET
@@ -1725,10 +1726,10 @@ Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @1
 Adding NOP phi() at start of @3
 Adding NOP phi() at start of @19
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @42
-Adding NOP phi() at start of @44
+Adding NOP phi() at start of @36
+Adding NOP phi() at start of @43
 Adding NOP phi() at start of @45
+Adding NOP phi() at start of @46
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@12
@@ -1811,9 +1812,9 @@ Coalesced down to 26 phi equivalence classes
 Culled Empty Block (label) @1
 Culled Empty Block (label) @3
 Culled Empty Block (label) @19
-Culled Empty Block (label) @35
-Culled Empty Block (label) @42
-Culled Empty Block (label) @45
+Culled Empty Block (label) @36
+Culled Empty Block (label) @43
+Culled Empty Block (label) @46
 Culled Empty Block (label) main::@12
 Culled Empty Block (label) main::toD0181_@return
 Culled Empty Block (label) main::@15
@@ -1831,7 +1832,7 @@ Culled Empty Block (label) atan2_16::@37
 Culled Empty Block (label) init_font_hex::@7
 Culled Empty Block (label) init_font_hex::@8
 Culled Empty Block (label) init_font_hex::@9
-Renumbering block @44 to @1
+Renumbering block @45 to @1
 Renumbering block atan2_16::@13 to atan2_16::@9
 Renumbering block atan2_16::@15 to atan2_16::@10
 Renumbering block atan2_16::@16 to atan2_16::@11
diff --git a/src/test/ref/euclid-3.asm b/src/test/ref/euclid-3.asm
new file mode 100644
index 000000000..cf60e97a3
--- /dev/null
+++ b/src/test/ref/euclid-3.asm
@@ -0,0 +1,196 @@
+/*
+ * Find least common denominator using subtraction-based Euclidian algorithm
+ * See https://en.wikipedia.org/wiki/Euclidean_algorithm
+ * Based on facebook post from
+ */
+.pc = $801 "Basic"
+:BasicUpstart(main)
+.pc = $80d "Program"
+  .label print_line_cursor = 4
+  .label print_char_cursor = 6
+main: {
+    jsr print_cls
+    lda #<$400
+    sta print_line_cursor
+    lda #>$400
+    sta print_line_cursor+1
+    lda #2
+    sta print_euclid.b
+    lda #<$400
+    sta print_char_cursor
+    lda #>$400
+    sta print_char_cursor+1
+    lda #$80
+    sta print_euclid.a
+    jsr print_euclid
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    lda #$45
+    sta print_euclid.b
+    lda #$a9
+    sta print_euclid.a
+    jsr print_euclid
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    lda #$37
+    sta print_euclid.b
+    lda #$9b
+    sta print_euclid.a
+    jsr print_euclid
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    lda #3
+    sta print_euclid.b
+    lda #$c7
+    sta print_euclid.a
+    jsr print_euclid
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    lda #$1a
+    sta print_euclid.b
+    lda #$5b
+    sta print_euclid.a
+    jsr print_euclid
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    lda #$bb
+    sta print_euclid.b
+    lda #$77
+    sta print_euclid.a
+    jsr print_euclid
+    rts
+}
+// print_euclid(byte zeropage(2) a, byte zeropage(3) b)
+print_euclid: {
+    .label b = 3
+    .label a = 2
+    ldx a
+    jsr print_byte
+    lda #' '
+    jsr print_char
+    ldx b
+    jsr print_byte
+    lda #' '
+    jsr print_char
+    ldx b
+    jsr euclid
+    lda euclid.a
+    tax
+    jsr print_byte
+    jsr print_ln
+    rts
+}
+// Print a newline
+print_ln: {
+  b1:
+    lda #$28
+    clc
+    adc print_line_cursor
+    sta print_line_cursor
+    bcc !+
+    inc print_line_cursor+1
+  !:
+    lda print_line_cursor+1
+    cmp print_char_cursor+1
+    bcc b1
+    bne !+
+    lda print_line_cursor
+    cmp print_char_cursor
+    bcc b1
+  !:
+    rts
+}
+// Print a byte as HEX
+// print_byte(byte register(X) b)
+print_byte: {
+    txa
+    lsr
+    lsr
+    lsr
+    lsr
+    tay
+    lda print_hextab,y
+    jsr print_char
+    lda #$f
+    axs #0
+    lda print_hextab,x
+    jsr print_char
+    rts
+}
+// Print a single char
+// print_char(byte register(A) ch)
+print_char: {
+    ldy #0
+    sta (print_char_cursor),y
+    inc print_char_cursor
+    bne !+
+    inc print_char_cursor+1
+  !:
+    rts
+}
+// euclid(byte zeropage(2) a, byte register(X) b)
+euclid: {
+    .label a = 2
+  b1:
+    cpx a
+    bne b2
+    rts
+  b2:
+    cpx a
+    bcc b3
+    txa
+    sec
+    sbc a
+    tax
+    jmp b1
+  b3:
+    txa
+    eor #$ff
+    sec
+    adc a
+    sta a
+    jmp b1
+}
+// Clear the screen. Also resets current line/char cursor.
+print_cls: {
+    jsr memset
+    rts
+}
+// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
+memset: {
+    .const c = ' '
+    .const num = $3e8
+    .label str = $400
+    .label end = str+num
+    .label dst = 8
+    lda #<str
+    sta dst
+    lda #>str
+    sta dst+1
+  b1:
+    lda #c
+    ldy #0
+    sta (dst),y
+    inc dst
+    bne !+
+    inc dst+1
+  !:
+    lda dst+1
+    cmp #>end
+    bne b1
+    lda dst
+    cmp #<end
+    bne b1
+    rts
+}
+  print_hextab: .text "0123456789abcdef"
diff --git a/src/test/ref/euclid-3.cfg b/src/test/ref/euclid-3.cfg
new file mode 100644
index 000000000..8ff63f789
--- /dev/null
+++ b/src/test/ref/euclid-3.cfg
@@ -0,0 +1,151 @@
+@begin: scope:[]  from
+  [0] phi()
+  to:@1
+@1: scope:[]  from @begin
+  [1] phi()
+  [2] call main 
+  to:@end
+@end: scope:[]  from @1
+  [3] phi()
+main: scope:[main]  from @1
+  [4] phi()
+  [5] call print_cls 
+  to:main::@1
+main::@1: scope:[main]  from main
+  [6] phi()
+  [7] call print_euclid 
+  to:main::@2
+main::@2: scope:[main]  from main::@1
+  [8] (byte*~) print_char_cursor#64 ← (byte*) print_line_cursor#1
+  [9] call print_euclid 
+  to:main::@3
+main::@3: scope:[main]  from main::@2
+  [10] (byte*~) print_char_cursor#65 ← (byte*) print_line_cursor#1
+  [11] call print_euclid 
+  to:main::@4
+main::@4: scope:[main]  from main::@3
+  [12] (byte*~) print_char_cursor#66 ← (byte*) print_line_cursor#1
+  [13] call print_euclid 
+  to:main::@5
+main::@5: scope:[main]  from main::@4
+  [14] (byte*~) print_char_cursor#67 ← (byte*) print_line_cursor#1
+  [15] call print_euclid 
+  to:main::@6
+main::@6: scope:[main]  from main::@5
+  [16] (byte*~) print_char_cursor#68 ← (byte*) print_line_cursor#1
+  [17] call print_euclid 
+  to:main::@return
+main::@return: scope:[main]  from main::@6
+  [18] return 
+  to:@return
+print_euclid: scope:[print_euclid]  from main::@1 main::@2 main::@3 main::@4 main::@5 main::@6
+  [19] (byte*) print_line_cursor#33 ← phi( main::@1/(byte*) 1024 main::@2/(byte*) print_line_cursor#1 main::@3/(byte*) print_line_cursor#1 main::@4/(byte*) print_line_cursor#1 main::@5/(byte*) print_line_cursor#1 main::@6/(byte*) print_line_cursor#1 )
+  [19] (byte) print_euclid::b#10 ← phi( main::@1/(byte) 2 main::@2/(byte) $45 main::@3/(byte) $37 main::@4/(byte) 3 main::@5/(byte) $1a main::@6/(byte) $bb )
+  [19] (byte*) print_char_cursor#53 ← phi( main::@1/(byte*) 1024 main::@2/(byte*~) print_char_cursor#64 main::@3/(byte*~) print_char_cursor#65 main::@4/(byte*~) print_char_cursor#66 main::@5/(byte*~) print_char_cursor#67 main::@6/(byte*~) print_char_cursor#68 )
+  [19] (byte) print_euclid::a#10 ← phi( main::@1/(byte) $80 main::@2/(byte) $a9 main::@3/(byte) $9b main::@4/(byte) $c7 main::@5/(byte) $5b main::@6/(byte) $77 )
+  [20] (byte) print_byte::b#0 ← (byte) print_euclid::a#10
+  [21] call print_byte 
+  to:print_euclid::@1
+print_euclid::@1: scope:[print_euclid]  from print_euclid
+  [22] phi()
+  [23] call print_char 
+  to:print_euclid::@2
+print_euclid::@2: scope:[print_euclid]  from print_euclid::@1
+  [24] (byte) print_byte::b#1 ← (byte) print_euclid::b#10
+  [25] call print_byte 
+  to:print_euclid::@3
+print_euclid::@3: scope:[print_euclid]  from print_euclid::@2
+  [26] phi()
+  [27] call print_char 
+  to:print_euclid::@4
+print_euclid::@4: scope:[print_euclid]  from print_euclid::@3
+  [28] (byte) euclid::a#0 ← (byte) print_euclid::a#10
+  [29] (byte) euclid::b#0 ← (byte) print_euclid::b#10
+  [30] call euclid 
+  [31] (byte) euclid::return#0 ← (byte) euclid::a#2
+  to:print_euclid::@5
+print_euclid::@5: scope:[print_euclid]  from print_euclid::@4
+  [32] (byte) print_byte::b#2 ← (byte) euclid::return#0
+  [33] call print_byte 
+  to:print_euclid::@6
+print_euclid::@6: scope:[print_euclid]  from print_euclid::@5
+  [34] phi()
+  [35] call print_ln 
+  to:print_euclid::@return
+print_euclid::@return: scope:[print_euclid]  from print_euclid::@6
+  [36] return 
+  to:@return
+print_ln: scope:[print_ln]  from print_euclid::@6
+  [37] phi()
+  to:print_ln::@1
+print_ln::@1: scope:[print_ln]  from print_ln print_ln::@1
+  [38] (byte*) print_line_cursor#16 ← phi( print_ln/(byte*) print_line_cursor#33 print_ln::@1/(byte*) print_line_cursor#1 )
+  [39] (byte*) print_line_cursor#1 ← (byte*) print_line_cursor#16 + (byte) $28
+  [40] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1
+  to:print_ln::@return
+print_ln::@return: scope:[print_ln]  from print_ln::@1
+  [41] return 
+  to:@return
+print_byte: scope:[print_byte]  from print_euclid print_euclid::@2 print_euclid::@5
+  [42] (byte*) print_char_cursor#51 ← phi( print_euclid/(byte*) print_char_cursor#53 print_euclid::@2/(byte*) print_char_cursor#32 print_euclid::@5/(byte*) print_char_cursor#32 )
+  [42] (byte) print_byte::b#3 ← phi( print_euclid/(byte) print_byte::b#0 print_euclid::@2/(byte) print_byte::b#1 print_euclid::@5/(byte) print_byte::b#2 )
+  [43] (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (byte) 4
+  [44] (byte) print_char::ch#0 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$0)
+  [45] call print_char 
+  to:print_byte::@1
+print_byte::@1: scope:[print_byte]  from print_byte
+  [46] (byte~) print_byte::$2 ← (byte) print_byte::b#3 & (byte) $f
+  [47] (byte) print_char::ch#1 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$2)
+  [48] call print_char 
+  to:print_byte::@return
+print_byte::@return: scope:[print_byte]  from print_byte::@1
+  [49] return 
+  to:@return
+print_char: scope:[print_char]  from print_byte print_byte::@1 print_euclid::@1 print_euclid::@3
+  [50] (byte*) print_char_cursor#31 ← phi( print_byte/(byte*) print_char_cursor#51 print_byte::@1/(byte*) print_char_cursor#32 print_euclid::@1/(byte*) print_char_cursor#32 print_euclid::@3/(byte*) print_char_cursor#32 )
+  [50] (byte) print_char::ch#4 ← phi( print_byte/(byte) print_char::ch#0 print_byte::@1/(byte) print_char::ch#1 print_euclid::@1/(byte) ' ' print_euclid::@3/(byte) ' ' )
+  [51] *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4
+  [52] (byte*) print_char_cursor#32 ← ++ (byte*) print_char_cursor#31
+  to:print_char::@return
+print_char::@return: scope:[print_char]  from print_char
+  [53] return 
+  to:@return
+euclid: scope:[euclid]  from print_euclid::@4
+  [54] phi()
+  to:euclid::@1
+euclid::@1: scope:[euclid]  from euclid euclid::@3 euclid::@4
+  [55] (byte) euclid::b#2 ← phi( euclid/(byte) euclid::b#0 euclid::@3/(byte) euclid::b#2 euclid::@4/(byte) euclid::b#1 )
+  [55] (byte) euclid::a#2 ← phi( euclid/(byte) euclid::a#0 euclid::@3/(byte) euclid::a#1 euclid::@4/(byte) euclid::a#2 )
+  [56] if((byte) euclid::a#2!=(byte) euclid::b#2) goto euclid::@2
+  to:euclid::@return
+euclid::@return: scope:[euclid]  from euclid::@1
+  [57] return 
+  to:@return
+euclid::@2: scope:[euclid]  from euclid::@1
+  [58] if((byte) euclid::a#2>(byte) euclid::b#2) goto euclid::@3
+  to:euclid::@4
+euclid::@4: scope:[euclid]  from euclid::@2
+  [59] (byte) euclid::b#1 ← (byte) euclid::b#2 - (byte) euclid::a#2
+  to:euclid::@1
+euclid::@3: scope:[euclid]  from euclid::@2
+  [60] (byte) euclid::a#1 ← (byte) euclid::a#2 - (byte) euclid::b#2
+  to:euclid::@1
+print_cls: scope:[print_cls]  from main
+  [61] phi()
+  [62] call memset 
+  to:print_cls::@return
+print_cls::@return: scope:[print_cls]  from print_cls
+  [63] return 
+  to:@return
+memset: scope:[memset]  from print_cls
+  [64] phi()
+  to:memset::@1
+memset::@1: scope:[memset]  from memset memset::@1
+  [65] (byte*) memset::dst#2 ← phi( memset/(byte*)(const void*) memset::str#0 memset::@1/(byte*) memset::dst#1 )
+  [66] *((byte*) memset::dst#2) ← (const byte) memset::c#0
+  [67] (byte*) memset::dst#1 ← ++ (byte*) memset::dst#2
+  [68] if((byte*) memset::dst#1!=(const byte*) memset::end#0) goto memset::@1
+  to:memset::@return
+memset::@return: scope:[memset]  from memset::@1
+  [69] return 
+  to:@return
diff --git a/src/test/ref/euclid-3.log b/src/test/ref/euclid-3.log
new file mode 100644
index 000000000..ff77e0788
--- /dev/null
+++ b/src/test/ref/euclid-3.log
@@ -0,0 +1,2842 @@
+Fixing pointer addition (word*~) bsearch16u::$7 ← (word*) bsearch16u::items + (byte~) bsearch16u::$6
+Fixing pointer addition (word*~) bsearch16u::$15 ← (word*) bsearch16u::pivot + (number) 1
+Fixing pointer addition (word*~) bsearch16u::$1 ← (word*) bsearch16u::items - (number) 1
+Fixing pointer array-indexing *((word*) utoa::digit_values + (byte) utoa::digit)
+Fixing pointer array-indexing *((dword*) ultoa::digit_values + (byte) ultoa::digit)
+Warning! Adding boolean cast to non-boolean condition *((byte*) strcpy::src)
+Identified constant variable (byte*) HEAP_TOP
+Culled Empty Block (label) @1
+Culled Empty Block (label) @2
+Culled Empty Block (label) memset::@5
+Culled Empty Block (label) memset::@3
+Culled Empty Block (label) @3
+Culled Empty Block (label) @4
+Culled Empty Block (label) @5
+Culled Empty Block (label) @6
+Culled Empty Block (label) @7
+Culled Empty Block (label) @8
+Culled Empty Block (label) @9
+Culled Empty Block (label) @10
+Culled Empty Block (label) @11
+Culled Empty Block (label) @13
+Culled Empty Block (label) @14
+Culled Empty Block (label) @15
+Culled Empty Block (label) @16
+Culled Empty Block (label) @17
+Culled Empty Block (label) @18
+Culled Empty Block (label) @19
+Culled Empty Block (label) @20
+Culled Empty Block (label) @21
+Culled Empty Block (label) @22
+Culled Empty Block (label) @23
+Culled Empty Block (label) @24
+Culled Empty Block (label) @25
+Culled Empty Block (label) @26
+Culled Empty Block (label) @27
+Culled Empty Block (label) @28
+Culled Empty Block (label) @30
+Culled Empty Block (label) @31
+Culled Empty Block (label) @32
+Culled Empty Block (label) @33
+Culled Empty Block (label) @34
+Culled Empty Block (label) @35
+Culled Empty Block (label) @36
+Culled Empty Block (label) @37
+Culled Empty Block (label) @38
+Culled Empty Block (label) euclid::@6
+Culled Empty Block (label) euclid::@7
+Culled Empty Block (label) euclid::@5
+Culled Empty Block (label) euclid::@9
+Culled Empty Block (label) euclid::@10
+Culled Empty Block (label) euclid::@11
+
+CONTROL FLOW GRAPH SSA
+@begin: scope:[]  from
+  to:@12
+memset: scope:[memset]  from print_cls
+  (byte) memset::c#3 ← phi( print_cls/(byte) memset::c#0 )
+  (void*) memset::str#3 ← phi( print_cls/(void*) memset::str#0 )
+  (word) memset::num#1 ← phi( print_cls/(word) memset::num#0 )
+  (bool~) memset::$0 ← (word) memset::num#1 > (number) 0
+  (bool~) memset::$1 ← ! (bool~) memset::$0
+  if((bool~) memset::$1) goto memset::@1
+  to:memset::@2
+memset::@1: scope:[memset]  from memset memset::@4
+  (void*) memset::str#1 ← phi( memset/(void*) memset::str#3 memset::@4/(void*) memset::str#4 )
+  (void*) memset::return#0 ← (void*) memset::str#1
+  to:memset::@return
+memset::@2: scope:[memset]  from memset
+  (byte) memset::c#2 ← phi( memset/(byte) memset::c#3 )
+  (word) memset::num#2 ← phi( memset/(word) memset::num#1 )
+  (void*) memset::str#2 ← phi( memset/(void*) memset::str#3 )
+  (byte*~) memset::$2 ← ((byte*)) (void*) memset::str#2
+  (byte*~) memset::$3 ← (byte*~) memset::$2 + (word) memset::num#2
+  (byte*) memset::end#0 ← (byte*~) memset::$3
+  (byte*) memset::dst#0 ← ((byte*)) (void*) memset::str#2
+  to:memset::@4
+memset::@4: scope:[memset]  from memset::@2 memset::@4
+  (void*) memset::str#4 ← phi( memset::@2/(void*) memset::str#2 memset::@4/(void*) memset::str#4 )
+  (byte*) memset::end#1 ← phi( memset::@2/(byte*) memset::end#0 memset::@4/(byte*) memset::end#1 )
+  (byte*) memset::dst#2 ← phi( memset::@2/(byte*) memset::dst#0 memset::@4/(byte*) memset::dst#1 )
+  (byte) memset::c#1 ← phi( memset::@2/(byte) memset::c#2 memset::@4/(byte) memset::c#1 )
+  *((byte*) memset::dst#2) ← (byte) memset::c#1
+  (byte*) memset::dst#1 ← ++ (byte*) memset::dst#2
+  (bool~) memset::$4 ← (byte*) memset::dst#1 != (byte*) memset::end#1
+  if((bool~) memset::$4) goto memset::@4
+  to:memset::@1
+memset::@return: scope:[memset]  from memset::@1
+  (void*) memset::return#3 ← phi( memset::@1/(void*) memset::return#0 )
+  (void*) memset::return#1 ← (void*) memset::return#3
+  return 
+  to:@return
+@12: scope:[]  from @begin
+  (byte*) print_screen#0 ← ((byte*)) (number) $400
+  (byte*) print_line_cursor#0 ← (byte*) print_screen#0
+  (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
+  to:@29
+print_ln: scope:[print_ln]  from print_euclid::@6
+  (byte*) print_char_cursor#50 ← phi( print_euclid::@6/(byte*) print_char_cursor#22 )
+  (byte*) print_line_cursor#31 ← phi( print_euclid::@6/(byte*) print_line_cursor#33 )
+  to:print_ln::@1
+print_ln::@1: scope:[print_ln]  from print_ln print_ln::@1
+  (byte*) print_char_cursor#26 ← phi( print_ln/(byte*) print_char_cursor#50 print_ln::@1/(byte*) print_char_cursor#26 )
+  (byte*) print_line_cursor#16 ← phi( print_ln/(byte*) print_line_cursor#31 print_ln::@1/(byte*) print_line_cursor#1 )
+  (byte*~) print_ln::$0 ← (byte*) print_line_cursor#16 + (number) $28
+  (byte*) print_line_cursor#1 ← (byte*~) print_ln::$0
+  (bool~) print_ln::$1 ← (byte*) print_line_cursor#1 < (byte*) print_char_cursor#26
+  if((bool~) print_ln::$1) goto print_ln::@1
+  to:print_ln::@2
+print_ln::@2: scope:[print_ln]  from print_ln::@1
+  (byte*) print_line_cursor#17 ← phi( print_ln::@1/(byte*) print_line_cursor#1 )
+  (byte*) print_char_cursor#1 ← (byte*) print_line_cursor#17
+  to:print_ln::@return
+print_ln::@return: scope:[print_ln]  from print_ln::@2
+  (byte*) print_char_cursor#27 ← phi( print_ln::@2/(byte*) print_char_cursor#1 )
+  (byte*) print_line_cursor#18 ← phi( print_ln::@2/(byte*) print_line_cursor#17 )
+  (byte*) print_line_cursor#2 ← (byte*) print_line_cursor#18
+  (byte*) print_char_cursor#2 ← (byte*) print_char_cursor#27
+  return 
+  to:@return
+@29: scope:[]  from @12
+  (byte*) print_screen#5 ← phi( @12/(byte*) print_screen#0 )
+  (byte*) print_char_cursor#56 ← phi( @12/(byte*) print_char_cursor#0 )
+  (byte*) print_line_cursor#36 ← phi( @12/(byte*) print_line_cursor#0 )
+  (byte[]) print_hextab#0 ← (const string) $0
+  to:@39
+print_byte: scope:[print_byte]  from print_euclid print_euclid::@2 print_euclid::@5
+  (byte*) print_char_cursor#51 ← phi( print_euclid/(byte*) print_char_cursor#53 print_euclid::@2/(byte*) print_char_cursor#19 print_euclid::@5/(byte*) print_char_cursor#54 )
+  (byte) print_byte::b#3 ← phi( print_euclid/(byte) print_byte::b#0 print_euclid::@2/(byte) print_byte::b#1 print_euclid::@5/(byte) print_byte::b#2 )
+  (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (number) 4
+  (byte) print_char::ch#0 ← *((byte[]) print_hextab#0 + (byte~) print_byte::$0)
+  call print_char 
+  to:print_byte::@1
+print_byte::@1: scope:[print_byte]  from print_byte
+  (byte) print_byte::b#4 ← phi( print_byte/(byte) print_byte::b#3 )
+  (byte*) print_char_cursor#28 ← phi( print_byte/(byte*) print_char_cursor#7 )
+  (byte*) print_char_cursor#3 ← (byte*) print_char_cursor#28
+  (number~) print_byte::$2 ← (byte) print_byte::b#4 & (number) $f
+  (byte) print_char::ch#1 ← *((byte[]) print_hextab#0 + (number~) print_byte::$2)
+  call print_char 
+  to:print_byte::@2
+print_byte::@2: scope:[print_byte]  from print_byte::@1
+  (byte*) print_char_cursor#29 ← phi( print_byte::@1/(byte*) print_char_cursor#7 )
+  (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#29
+  to:print_byte::@return
+print_byte::@return: scope:[print_byte]  from print_byte::@2
+  (byte*) print_char_cursor#30 ← phi( print_byte::@2/(byte*) print_char_cursor#4 )
+  (byte*) print_char_cursor#5 ← (byte*) print_char_cursor#30
+  return 
+  to:@return
+print_char: scope:[print_char]  from print_byte print_byte::@1 print_euclid::@1 print_euclid::@3
+  (byte*) print_char_cursor#31 ← phi( print_byte/(byte*) print_char_cursor#51 print_byte::@1/(byte*) print_char_cursor#3 print_euclid::@1/(byte*) print_char_cursor#18 print_euclid::@3/(byte*) print_char_cursor#20 )
+  (byte) print_char::ch#4 ← phi( print_byte/(byte) print_char::ch#0 print_byte::@1/(byte) print_char::ch#1 print_euclid::@1/(byte) print_char::ch#2 print_euclid::@3/(byte) print_char::ch#3 )
+  *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4
+  (byte*) print_char_cursor#6 ← ++ (byte*) print_char_cursor#31
+  to:print_char::@return
+print_char::@return: scope:[print_char]  from print_char
+  (byte*) print_char_cursor#32 ← phi( print_char/(byte*) print_char_cursor#6 )
+  (byte*) print_char_cursor#7 ← (byte*) print_char_cursor#32
+  return 
+  to:@return
+print_cls: scope:[print_cls]  from main
+  (byte*) print_screen#1 ← phi( main/(byte*) print_screen#3 )
+  (void*) memset::str#0 ← (void*)(byte*) print_screen#1
+  (byte) memset::c#0 ← (byte) ' '
+  (word) memset::num#0 ← (number) $3e8
+  call memset 
+  (void*) memset::return#2 ← (void*) memset::return#1
+  to:print_cls::@1
+print_cls::@1: scope:[print_cls]  from print_cls
+  (byte*) print_screen#2 ← phi( print_cls/(byte*) print_screen#1 )
+  (byte*) print_line_cursor#3 ← (byte*) print_screen#2
+  (byte*) print_char_cursor#8 ← (byte*) print_line_cursor#3
+  to:print_cls::@return
+print_cls::@return: scope:[print_cls]  from print_cls::@1
+  (byte*) print_char_cursor#33 ← phi( print_cls::@1/(byte*) print_char_cursor#8 )
+  (byte*) print_line_cursor#19 ← phi( print_cls::@1/(byte*) print_line_cursor#3 )
+  (byte*) print_line_cursor#4 ← (byte*) print_line_cursor#19
+  (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#33
+  return 
+  to:@return
+main: scope:[main]  from @39
+  (byte*) print_char_cursor#52 ← phi( @39/(byte*) print_char_cursor#55 )
+  (byte*) print_line_cursor#32 ← phi( @39/(byte*) print_line_cursor#34 )
+  (byte*) print_screen#3 ← phi( @39/(byte*) print_screen#4 )
+  call print_cls 
+  to:main::@1
+main::@1: scope:[main]  from main
+  (byte*) print_char_cursor#34 ← phi( main/(byte*) print_char_cursor#9 )
+  (byte*) print_line_cursor#20 ← phi( main/(byte*) print_line_cursor#4 )
+  (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#20
+  (byte*) print_char_cursor#10 ← (byte*) print_char_cursor#34
+  (byte) print_euclid::a#0 ← (number) $80
+  (byte) print_euclid::b#0 ← (number) 2
+  call print_euclid 
+  to:main::@2
+main::@2: scope:[main]  from main::@1
+  (byte*) print_line_cursor#21 ← phi( main::@1/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#35 ← phi( main::@1/(byte*) print_char_cursor#24 )
+  (byte*) print_char_cursor#11 ← (byte*) print_char_cursor#35
+  (byte*) print_line_cursor#6 ← (byte*) print_line_cursor#21
+  (byte) print_euclid::a#1 ← (number) $a9
+  (byte) print_euclid::b#1 ← (number) $45
+  call print_euclid 
+  to:main::@3
+main::@3: scope:[main]  from main::@2
+  (byte*) print_line_cursor#22 ← phi( main::@2/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#36 ← phi( main::@2/(byte*) print_char_cursor#24 )
+  (byte*) print_char_cursor#12 ← (byte*) print_char_cursor#36
+  (byte*) print_line_cursor#7 ← (byte*) print_line_cursor#22
+  (byte) print_euclid::a#2 ← (number) $9b
+  (byte) print_euclid::b#2 ← (number) $37
+  call print_euclid 
+  to:main::@4
+main::@4: scope:[main]  from main::@3
+  (byte*) print_line_cursor#23 ← phi( main::@3/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#37 ← phi( main::@3/(byte*) print_char_cursor#24 )
+  (byte*) print_char_cursor#13 ← (byte*) print_char_cursor#37
+  (byte*) print_line_cursor#8 ← (byte*) print_line_cursor#23
+  (byte) print_euclid::a#3 ← (number) $c7
+  (byte) print_euclid::b#3 ← (number) 3
+  call print_euclid 
+  to:main::@5
+main::@5: scope:[main]  from main::@4
+  (byte*) print_line_cursor#24 ← phi( main::@4/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#38 ← phi( main::@4/(byte*) print_char_cursor#24 )
+  (byte*) print_char_cursor#14 ← (byte*) print_char_cursor#38
+  (byte*) print_line_cursor#9 ← (byte*) print_line_cursor#24
+  (byte) print_euclid::a#4 ← (number) $5b
+  (byte) print_euclid::b#4 ← (number) $1a
+  call print_euclid 
+  to:main::@6
+main::@6: scope:[main]  from main::@5
+  (byte*) print_line_cursor#25 ← phi( main::@5/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#39 ← phi( main::@5/(byte*) print_char_cursor#24 )
+  (byte*) print_char_cursor#15 ← (byte*) print_char_cursor#39
+  (byte*) print_line_cursor#10 ← (byte*) print_line_cursor#25
+  (byte) print_euclid::a#5 ← (number) $77
+  (byte) print_euclid::b#5 ← (number) $bb
+  call print_euclid 
+  to:main::@7
+main::@7: scope:[main]  from main::@6
+  (byte*) print_line_cursor#26 ← phi( main::@6/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#40 ← phi( main::@6/(byte*) print_char_cursor#24 )
+  (byte*) print_char_cursor#16 ← (byte*) print_char_cursor#40
+  (byte*) print_line_cursor#11 ← (byte*) print_line_cursor#26
+  to:main::@return
+main::@return: scope:[main]  from main::@7
+  (byte*) print_char_cursor#41 ← phi( main::@7/(byte*) print_char_cursor#16 )
+  (byte*) print_line_cursor#27 ← phi( main::@7/(byte*) print_line_cursor#11 )
+  (byte*) print_line_cursor#12 ← (byte*) print_line_cursor#27
+  (byte*) print_char_cursor#17 ← (byte*) print_char_cursor#41
+  return 
+  to:@return
+print_euclid: scope:[print_euclid]  from main::@1 main::@2 main::@3 main::@4 main::@5 main::@6
+  (byte*) print_line_cursor#41 ← phi( main::@1/(byte*) print_line_cursor#5 main::@2/(byte*) print_line_cursor#6 main::@3/(byte*) print_line_cursor#7 main::@4/(byte*) print_line_cursor#8 main::@5/(byte*) print_line_cursor#9 main::@6/(byte*) print_line_cursor#10 )
+  (byte) print_euclid::b#10 ← phi( main::@1/(byte) print_euclid::b#0 main::@2/(byte) print_euclid::b#1 main::@3/(byte) print_euclid::b#2 main::@4/(byte) print_euclid::b#3 main::@5/(byte) print_euclid::b#4 main::@6/(byte) print_euclid::b#5 )
+  (byte*) print_char_cursor#53 ← phi( main::@1/(byte*) print_char_cursor#10 main::@2/(byte*) print_char_cursor#11 main::@3/(byte*) print_char_cursor#12 main::@4/(byte*) print_char_cursor#13 main::@5/(byte*) print_char_cursor#14 main::@6/(byte*) print_char_cursor#15 )
+  (byte) print_euclid::a#6 ← phi( main::@1/(byte) print_euclid::a#0 main::@2/(byte) print_euclid::a#1 main::@3/(byte) print_euclid::a#2 main::@4/(byte) print_euclid::a#3 main::@5/(byte) print_euclid::a#4 main::@6/(byte) print_euclid::a#5 )
+  (byte) print_byte::b#0 ← (byte) print_euclid::a#6
+  call print_byte 
+  to:print_euclid::@1
+print_euclid::@1: scope:[print_euclid]  from print_euclid
+  (byte*) print_line_cursor#40 ← phi( print_euclid/(byte*) print_line_cursor#41 )
+  (byte) print_euclid::a#10 ← phi( print_euclid/(byte) print_euclid::a#6 )
+  (byte) print_euclid::b#8 ← phi( print_euclid/(byte) print_euclid::b#10 )
+  (byte*) print_char_cursor#42 ← phi( print_euclid/(byte*) print_char_cursor#5 )
+  (byte*) print_char_cursor#18 ← (byte*) print_char_cursor#42
+  (byte) print_char::ch#2 ← (byte) ' '
+  call print_char 
+  to:print_euclid::@2
+print_euclid::@2: scope:[print_euclid]  from print_euclid::@1
+  (byte*) print_line_cursor#39 ← phi( print_euclid::@1/(byte*) print_line_cursor#40 )
+  (byte) print_euclid::a#9 ← phi( print_euclid::@1/(byte) print_euclid::a#10 )
+  (byte) print_euclid::b#6 ← phi( print_euclid::@1/(byte) print_euclid::b#8 )
+  (byte*) print_char_cursor#43 ← phi( print_euclid::@1/(byte*) print_char_cursor#7 )
+  (byte*) print_char_cursor#19 ← (byte*) print_char_cursor#43
+  (byte) print_byte::b#1 ← (byte) print_euclid::b#6
+  call print_byte 
+  to:print_euclid::@3
+print_euclid::@3: scope:[print_euclid]  from print_euclid::@2
+  (byte*) print_line_cursor#38 ← phi( print_euclid::@2/(byte*) print_line_cursor#39 )
+  (byte) print_euclid::b#9 ← phi( print_euclid::@2/(byte) print_euclid::b#6 )
+  (byte) print_euclid::a#8 ← phi( print_euclid::@2/(byte) print_euclid::a#9 )
+  (byte*) print_char_cursor#44 ← phi( print_euclid::@2/(byte*) print_char_cursor#5 )
+  (byte*) print_char_cursor#20 ← (byte*) print_char_cursor#44
+  (byte) print_char::ch#3 ← (byte) ' '
+  call print_char 
+  to:print_euclid::@4
+print_euclid::@4: scope:[print_euclid]  from print_euclid::@3
+  (byte*) print_line_cursor#37 ← phi( print_euclid::@3/(byte*) print_line_cursor#38 )
+  (byte) print_euclid::b#7 ← phi( print_euclid::@3/(byte) print_euclid::b#9 )
+  (byte) print_euclid::a#7 ← phi( print_euclid::@3/(byte) print_euclid::a#8 )
+  (byte*) print_char_cursor#45 ← phi( print_euclid::@3/(byte*) print_char_cursor#7 )
+  (byte*) print_char_cursor#21 ← (byte*) print_char_cursor#45
+  (byte) euclid::a#0 ← (byte) print_euclid::a#7
+  (byte) euclid::b#0 ← (byte) print_euclid::b#7
+  call euclid 
+  (byte) euclid::return#0 ← (byte) euclid::return#2
+  to:print_euclid::@5
+print_euclid::@5: scope:[print_euclid]  from print_euclid::@4
+  (byte*) print_line_cursor#35 ← phi( print_euclid::@4/(byte*) print_line_cursor#37 )
+  (byte*) print_char_cursor#54 ← phi( print_euclid::@4/(byte*) print_char_cursor#21 )
+  (byte) euclid::return#3 ← phi( print_euclid::@4/(byte) euclid::return#0 )
+  (byte~) print_euclid::$4 ← (byte) euclid::return#3
+  (byte) print_byte::b#2 ← (byte~) print_euclid::$4
+  call print_byte 
+  to:print_euclid::@6
+print_euclid::@6: scope:[print_euclid]  from print_euclid::@5
+  (byte*) print_line_cursor#33 ← phi( print_euclid::@5/(byte*) print_line_cursor#35 )
+  (byte*) print_char_cursor#46 ← phi( print_euclid::@5/(byte*) print_char_cursor#5 )
+  (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#46
+  call print_ln 
+  to:print_euclid::@7
+print_euclid::@7: scope:[print_euclid]  from print_euclid::@6
+  (byte*) print_char_cursor#47 ← phi( print_euclid::@6/(byte*) print_char_cursor#2 )
+  (byte*) print_line_cursor#28 ← phi( print_euclid::@6/(byte*) print_line_cursor#2 )
+  (byte*) print_line_cursor#13 ← (byte*) print_line_cursor#28
+  (byte*) print_char_cursor#23 ← (byte*) print_char_cursor#47
+  to:print_euclid::@return
+print_euclid::@return: scope:[print_euclid]  from print_euclid::@7
+  (byte*) print_line_cursor#29 ← phi( print_euclid::@7/(byte*) print_line_cursor#13 )
+  (byte*) print_char_cursor#48 ← phi( print_euclid::@7/(byte*) print_char_cursor#23 )
+  (byte*) print_char_cursor#24 ← (byte*) print_char_cursor#48
+  (byte*) print_line_cursor#14 ← (byte*) print_line_cursor#29
+  return 
+  to:@return
+euclid: scope:[euclid]  from print_euclid::@4
+  (byte) euclid::b#6 ← phi( print_euclid::@4/(byte) euclid::b#0 )
+  (byte) euclid::a#7 ← phi( print_euclid::@4/(byte) euclid::a#0 )
+  to:euclid::@1
+euclid::@1: scope:[euclid]  from euclid euclid::@4 euclid::@8
+  (byte) euclid::b#2 ← phi( euclid/(byte) euclid::b#6 euclid::@4/(byte) euclid::b#4 euclid::@8/(byte) euclid::b#1 )
+  (byte) euclid::a#2 ← phi( euclid/(byte) euclid::a#7 euclid::@4/(byte) euclid::a#1 euclid::@8/(byte) euclid::a#6 )
+  (bool~) euclid::$0 ← (byte) euclid::a#2 != (byte) euclid::b#2
+  if((bool~) euclid::$0) goto euclid::@2
+  to:euclid::@3
+euclid::@2: scope:[euclid]  from euclid::@1
+  (byte) euclid::b#3 ← phi( euclid::@1/(byte) euclid::b#2 )
+  (byte) euclid::a#3 ← phi( euclid::@1/(byte) euclid::a#2 )
+  (bool~) euclid::$1 ← (byte) euclid::a#3 > (byte) euclid::b#3
+  if((bool~) euclid::$1) goto euclid::@4
+  to:euclid::@8
+euclid::@3: scope:[euclid]  from euclid::@1
+  (byte) euclid::a#4 ← phi( euclid::@1/(byte) euclid::a#2 )
+  (byte) euclid::return#1 ← (byte) euclid::a#4
+  to:euclid::@return
+euclid::@4: scope:[euclid]  from euclid::@2
+  (byte) euclid::b#4 ← phi( euclid::@2/(byte) euclid::b#3 )
+  (byte) euclid::a#5 ← phi( euclid::@2/(byte) euclid::a#3 )
+  (byte~) euclid::$3 ← (byte) euclid::a#5 - (byte) euclid::b#4
+  (byte) euclid::a#1 ← (byte~) euclid::$3
+  to:euclid::@1
+euclid::@8: scope:[euclid]  from euclid::@2
+  (byte) euclid::a#6 ← phi( euclid::@2/(byte) euclid::a#3 )
+  (byte) euclid::b#5 ← phi( euclid::@2/(byte) euclid::b#3 )
+  (byte~) euclid::$2 ← (byte) euclid::b#5 - (byte) euclid::a#6
+  (byte) euclid::b#1 ← (byte~) euclid::$2
+  to:euclid::@1
+euclid::@return: scope:[euclid]  from euclid::@3
+  (byte) euclid::return#4 ← phi( euclid::@3/(byte) euclid::return#1 )
+  (byte) euclid::return#2 ← (byte) euclid::return#4
+  return 
+  to:@return
+@39: scope:[]  from @29
+  (byte*) print_screen#4 ← phi( @29/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#55 ← phi( @29/(byte*) print_char_cursor#56 )
+  (byte*) print_line_cursor#34 ← phi( @29/(byte*) print_line_cursor#36 )
+  call main 
+  to:@40
+@40: scope:[]  from @39
+  (byte*) print_char_cursor#49 ← phi( @39/(byte*) print_char_cursor#17 )
+  (byte*) print_line_cursor#30 ← phi( @39/(byte*) print_line_cursor#12 )
+  (byte*) print_line_cursor#15 ← (byte*) print_line_cursor#30
+  (byte*) print_char_cursor#25 ← (byte*) print_char_cursor#49
+  to:@end
+@end: scope:[]  from @40
+
+SYMBOL TABLE SSA
+(const string) $0 = (string) "0123456789abcdef"
+(label) @12
+(label) @29
+(label) @39
+(label) @40
+(label) @begin
+(label) @end
+(const byte) RADIX::BINARY = (number) 2
+(const byte) RADIX::DECIMAL = (number) $a
+(const byte) RADIX::HEXADECIMAL = (number) $10
+(const byte) RADIX::OCTAL = (number) 8
+(byte()) euclid((byte) euclid::a , (byte) euclid::b)
+(bool~) euclid::$0
+(bool~) euclid::$1
+(byte~) euclid::$2
+(byte~) euclid::$3
+(label) euclid::@1
+(label) euclid::@2
+(label) euclid::@3
+(label) euclid::@4
+(label) euclid::@8
+(label) euclid::@return
+(byte) euclid::a
+(byte) euclid::a#0
+(byte) euclid::a#1
+(byte) euclid::a#2
+(byte) euclid::a#3
+(byte) euclid::a#4
+(byte) euclid::a#5
+(byte) euclid::a#6
+(byte) euclid::a#7
+(byte) euclid::b
+(byte) euclid::b#0
+(byte) euclid::b#1
+(byte) euclid::b#2
+(byte) euclid::b#3
+(byte) euclid::b#4
+(byte) euclid::b#5
+(byte) euclid::b#6
+(byte) euclid::return
+(byte) euclid::return#0
+(byte) euclid::return#1
+(byte) euclid::return#2
+(byte) euclid::return#3
+(byte) euclid::return#4
+(void()) main()
+(label) main::@1
+(label) main::@2
+(label) main::@3
+(label) main::@4
+(label) main::@5
+(label) main::@6
+(label) main::@7
+(label) main::@return
+(void*()) memset((void*) memset::str , (byte) memset::c , (word) memset::num)
+(bool~) memset::$0
+(bool~) memset::$1
+(byte*~) memset::$2
+(byte*~) memset::$3
+(bool~) memset::$4
+(label) memset::@1
+(label) memset::@2
+(label) memset::@4
+(label) memset::@return
+(byte) memset::c
+(byte) memset::c#0
+(byte) memset::c#1
+(byte) memset::c#2
+(byte) memset::c#3
+(byte*) memset::dst
+(byte*) memset::dst#0
+(byte*) memset::dst#1
+(byte*) memset::dst#2
+(byte*) memset::end
+(byte*) memset::end#0
+(byte*) memset::end#1
+(word) memset::num
+(word) memset::num#0
+(word) memset::num#1
+(word) memset::num#2
+(void*) memset::return
+(void*) memset::return#0
+(void*) memset::return#1
+(void*) memset::return#2
+(void*) memset::return#3
+(void*) memset::str
+(void*) memset::str#0
+(void*) memset::str#1
+(void*) memset::str#2
+(void*) memset::str#3
+(void*) memset::str#4
+(void()) print_byte((byte) print_byte::b)
+(byte~) print_byte::$0
+(number~) print_byte::$2
+(label) print_byte::@1
+(label) print_byte::@2
+(label) print_byte::@return
+(byte) print_byte::b
+(byte) print_byte::b#0
+(byte) print_byte::b#1
+(byte) print_byte::b#2
+(byte) print_byte::b#3
+(byte) print_byte::b#4
+(void()) print_char((byte) print_char::ch)
+(label) print_char::@return
+(byte) print_char::ch
+(byte) print_char::ch#0
+(byte) print_char::ch#1
+(byte) print_char::ch#2
+(byte) print_char::ch#3
+(byte) print_char::ch#4
+(byte*) print_char_cursor
+(byte*) print_char_cursor#0
+(byte*) print_char_cursor#1
+(byte*) print_char_cursor#10
+(byte*) print_char_cursor#11
+(byte*) print_char_cursor#12
+(byte*) print_char_cursor#13
+(byte*) print_char_cursor#14
+(byte*) print_char_cursor#15
+(byte*) print_char_cursor#16
+(byte*) print_char_cursor#17
+(byte*) print_char_cursor#18
+(byte*) print_char_cursor#19
+(byte*) print_char_cursor#2
+(byte*) print_char_cursor#20
+(byte*) print_char_cursor#21
+(byte*) print_char_cursor#22
+(byte*) print_char_cursor#23
+(byte*) print_char_cursor#24
+(byte*) print_char_cursor#25
+(byte*) print_char_cursor#26
+(byte*) print_char_cursor#27
+(byte*) print_char_cursor#28
+(byte*) print_char_cursor#29
+(byte*) print_char_cursor#3
+(byte*) print_char_cursor#30
+(byte*) print_char_cursor#31
+(byte*) print_char_cursor#32
+(byte*) print_char_cursor#33
+(byte*) print_char_cursor#34
+(byte*) print_char_cursor#35
+(byte*) print_char_cursor#36
+(byte*) print_char_cursor#37
+(byte*) print_char_cursor#38
+(byte*) print_char_cursor#39
+(byte*) print_char_cursor#4
+(byte*) print_char_cursor#40
+(byte*) print_char_cursor#41
+(byte*) print_char_cursor#42
+(byte*) print_char_cursor#43
+(byte*) print_char_cursor#44
+(byte*) print_char_cursor#45
+(byte*) print_char_cursor#46
+(byte*) print_char_cursor#47
+(byte*) print_char_cursor#48
+(byte*) print_char_cursor#49
+(byte*) print_char_cursor#5
+(byte*) print_char_cursor#50
+(byte*) print_char_cursor#51
+(byte*) print_char_cursor#52
+(byte*) print_char_cursor#53
+(byte*) print_char_cursor#54
+(byte*) print_char_cursor#55
+(byte*) print_char_cursor#56
+(byte*) print_char_cursor#6
+(byte*) print_char_cursor#7
+(byte*) print_char_cursor#8
+(byte*) print_char_cursor#9
+(void()) print_cls()
+(label) print_cls::@1
+(label) print_cls::@return
+(void()) print_euclid((byte) print_euclid::a , (byte) print_euclid::b)
+(byte~) print_euclid::$4
+(label) print_euclid::@1
+(label) print_euclid::@2
+(label) print_euclid::@3
+(label) print_euclid::@4
+(label) print_euclid::@5
+(label) print_euclid::@6
+(label) print_euclid::@7
+(label) print_euclid::@return
+(byte) print_euclid::a
+(byte) print_euclid::a#0
+(byte) print_euclid::a#1
+(byte) print_euclid::a#10
+(byte) print_euclid::a#2
+(byte) print_euclid::a#3
+(byte) print_euclid::a#4
+(byte) print_euclid::a#5
+(byte) print_euclid::a#6
+(byte) print_euclid::a#7
+(byte) print_euclid::a#8
+(byte) print_euclid::a#9
+(byte) print_euclid::b
+(byte) print_euclid::b#0
+(byte) print_euclid::b#1
+(byte) print_euclid::b#10
+(byte) print_euclid::b#2
+(byte) print_euclid::b#3
+(byte) print_euclid::b#4
+(byte) print_euclid::b#5
+(byte) print_euclid::b#6
+(byte) print_euclid::b#7
+(byte) print_euclid::b#8
+(byte) print_euclid::b#9
+(byte[]) print_hextab
+(byte[]) print_hextab#0
+(byte*) print_line_cursor
+(byte*) print_line_cursor#0
+(byte*) print_line_cursor#1
+(byte*) print_line_cursor#10
+(byte*) print_line_cursor#11
+(byte*) print_line_cursor#12
+(byte*) print_line_cursor#13
+(byte*) print_line_cursor#14
+(byte*) print_line_cursor#15
+(byte*) print_line_cursor#16
+(byte*) print_line_cursor#17
+(byte*) print_line_cursor#18
+(byte*) print_line_cursor#19
+(byte*) print_line_cursor#2
+(byte*) print_line_cursor#20
+(byte*) print_line_cursor#21
+(byte*) print_line_cursor#22
+(byte*) print_line_cursor#23
+(byte*) print_line_cursor#24
+(byte*) print_line_cursor#25
+(byte*) print_line_cursor#26
+(byte*) print_line_cursor#27
+(byte*) print_line_cursor#28
+(byte*) print_line_cursor#29
+(byte*) print_line_cursor#3
+(byte*) print_line_cursor#30
+(byte*) print_line_cursor#31
+(byte*) print_line_cursor#32
+(byte*) print_line_cursor#33
+(byte*) print_line_cursor#34
+(byte*) print_line_cursor#35
+(byte*) print_line_cursor#36
+(byte*) print_line_cursor#37
+(byte*) print_line_cursor#38
+(byte*) print_line_cursor#39
+(byte*) print_line_cursor#4
+(byte*) print_line_cursor#40
+(byte*) print_line_cursor#41
+(byte*) print_line_cursor#5
+(byte*) print_line_cursor#6
+(byte*) print_line_cursor#7
+(byte*) print_line_cursor#8
+(byte*) print_line_cursor#9
+(void()) print_ln()
+(byte*~) print_ln::$0
+(bool~) print_ln::$1
+(label) print_ln::@1
+(label) print_ln::@2
+(label) print_ln::@return
+(byte*) print_screen
+(byte*) print_screen#0
+(byte*) print_screen#1
+(byte*) print_screen#2
+(byte*) print_screen#3
+(byte*) print_screen#4
+(byte*) print_screen#5
+
+Adding number conversion cast (unumber) 0 in (bool~) memset::$0 ← (word) memset::num#1 > (number) 0
+Adding number conversion cast (unumber) $28 in (byte*~) print_ln::$0 ← (byte*) print_line_cursor#16 + (number) $28
+Adding number conversion cast (unumber) 4 in (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (number) 4
+Adding number conversion cast (unumber) $f in (number~) print_byte::$2 ← (byte) print_byte::b#4 & (number) $f
+Adding number conversion cast (unumber) print_byte::$2 in (number~) print_byte::$2 ← (byte) print_byte::b#4 & (unumber)(number) $f
+Adding number conversion cast (unumber) $3e8 in (word) memset::num#0 ← (number) $3e8
+Adding number conversion cast (unumber) $80 in (byte) print_euclid::a#0 ← (number) $80
+Adding number conversion cast (unumber) 2 in (byte) print_euclid::b#0 ← (number) 2
+Adding number conversion cast (unumber) $a9 in (byte) print_euclid::a#1 ← (number) $a9
+Adding number conversion cast (unumber) $45 in (byte) print_euclid::b#1 ← (number) $45
+Adding number conversion cast (unumber) $9b in (byte) print_euclid::a#2 ← (number) $9b
+Adding number conversion cast (unumber) $37 in (byte) print_euclid::b#2 ← (number) $37
+Adding number conversion cast (unumber) $c7 in (byte) print_euclid::a#3 ← (number) $c7
+Adding number conversion cast (unumber) 3 in (byte) print_euclid::b#3 ← (number) 3
+Adding number conversion cast (unumber) $5b in (byte) print_euclid::a#4 ← (number) $5b
+Adding number conversion cast (unumber) $1a in (byte) print_euclid::b#4 ← (number) $1a
+Adding number conversion cast (unumber) $77 in (byte) print_euclid::a#5 ← (number) $77
+Adding number conversion cast (unumber) $bb in (byte) print_euclid::b#5 ← (number) $bb
+Successful SSA optimization PassNAddNumberTypeConversions
+Inlining cast (byte*~) memset::$2 ← (byte*)(void*) memset::str#2
+Inlining cast (byte*) memset::dst#0 ← (byte*)(void*) memset::str#2
+Inlining cast (byte*) print_screen#0 ← (byte*)(number) $400
+Inlining cast (word) memset::num#0 ← (unumber)(number) $3e8
+Inlining cast (byte) print_euclid::a#0 ← (unumber)(number) $80
+Inlining cast (byte) print_euclid::b#0 ← (unumber)(number) 2
+Inlining cast (byte) print_euclid::a#1 ← (unumber)(number) $a9
+Inlining cast (byte) print_euclid::b#1 ← (unumber)(number) $45
+Inlining cast (byte) print_euclid::a#2 ← (unumber)(number) $9b
+Inlining cast (byte) print_euclid::b#2 ← (unumber)(number) $37
+Inlining cast (byte) print_euclid::a#3 ← (unumber)(number) $c7
+Inlining cast (byte) print_euclid::b#3 ← (unumber)(number) 3
+Inlining cast (byte) print_euclid::a#4 ← (unumber)(number) $5b
+Inlining cast (byte) print_euclid::b#4 ← (unumber)(number) $1a
+Inlining cast (byte) print_euclid::a#5 ← (unumber)(number) $77
+Inlining cast (byte) print_euclid::b#5 ← (unumber)(number) $bb
+Successful SSA optimization Pass2InlineCast
+Simplifying constant integer cast 0
+Simplifying constant pointer cast (byte*) 1024
+Simplifying constant integer cast $28
+Simplifying constant integer cast 4
+Simplifying constant integer cast $f
+Simplifying constant integer cast $3e8
+Simplifying constant integer cast $80
+Simplifying constant integer cast 2
+Simplifying constant integer cast $a9
+Simplifying constant integer cast $45
+Simplifying constant integer cast $9b
+Simplifying constant integer cast $37
+Simplifying constant integer cast $c7
+Simplifying constant integer cast 3
+Simplifying constant integer cast $5b
+Simplifying constant integer cast $1a
+Simplifying constant integer cast $77
+Simplifying constant integer cast $bb
+Successful SSA optimization PassNCastSimplification
+Finalized unsigned number type (byte) 0
+Finalized unsigned number type (byte) $28
+Finalized unsigned number type (byte) 4
+Finalized unsigned number type (byte) $f
+Finalized unsigned number type (word) $3e8
+Finalized unsigned number type (byte) $80
+Finalized unsigned number type (byte) 2
+Finalized unsigned number type (byte) $a9
+Finalized unsigned number type (byte) $45
+Finalized unsigned number type (byte) $9b
+Finalized unsigned number type (byte) $37
+Finalized unsigned number type (byte) $c7
+Finalized unsigned number type (byte) 3
+Finalized unsigned number type (byte) $5b
+Finalized unsigned number type (byte) $1a
+Finalized unsigned number type (byte) $77
+Finalized unsigned number type (byte) $bb
+Successful SSA optimization PassNFinalizeNumberTypeConversions
+Inferred type updated to byte in (unumber~) print_byte::$2 ← (byte) print_byte::b#4 & (byte) $f
+Inversing boolean not [2] (bool~) memset::$1 ← (word) memset::num#1 <= (byte) 0 from [1] (bool~) memset::$0 ← (word) memset::num#1 > (byte) 0
+Successful SSA optimization Pass2UnaryNotSimplification
+Alias (void*) memset::return#0 = (void*) memset::str#1 (void*) memset::return#3 (void*) memset::return#1 
+Alias (void*) memset::str#2 = (void*) memset::str#3 
+Alias (word) memset::num#1 = (word) memset::num#2 
+Alias (byte) memset::c#2 = (byte) memset::c#3 
+Alias (byte*) memset::end#0 = (byte*~) memset::$3 
+Alias (byte*) print_line_cursor#0 = (byte*) print_screen#0 (byte*) print_char_cursor#0 (byte*) print_line_cursor#36 (byte*) print_char_cursor#56 (byte*) print_screen#5 (byte*) print_line_cursor#34 (byte*) print_char_cursor#55 (byte*) print_screen#4 
+Alias (byte*) print_line_cursor#1 = (byte*~) print_ln::$0 (byte*) print_line_cursor#17 (byte*) print_char_cursor#1 (byte*) print_line_cursor#18 (byte*) print_char_cursor#27 (byte*) print_line_cursor#2 (byte*) print_char_cursor#2 
+Alias (byte) print_byte::b#3 = (byte) print_byte::b#4 
+Alias (byte*) print_char_cursor#28 = (byte*) print_char_cursor#3 
+Alias (byte*) print_char_cursor#29 = (byte*) print_char_cursor#4 (byte*) print_char_cursor#30 (byte*) print_char_cursor#5 
+Alias (byte*) print_char_cursor#32 = (byte*) print_char_cursor#6 (byte*) print_char_cursor#7 
+Alias (byte*) print_line_cursor#19 = (byte*) print_screen#2 (byte*) print_screen#1 (byte*) print_line_cursor#3 (byte*) print_char_cursor#8 (byte*) print_char_cursor#33 (byte*) print_line_cursor#4 (byte*) print_char_cursor#9 
+Alias (byte*) print_line_cursor#20 = (byte*) print_line_cursor#5 
+Alias (byte*) print_char_cursor#10 = (byte*) print_char_cursor#34 
+Alias (byte*) print_char_cursor#11 = (byte*) print_char_cursor#35 
+Alias (byte*) print_line_cursor#21 = (byte*) print_line_cursor#6 
+Alias (byte*) print_char_cursor#12 = (byte*) print_char_cursor#36 
+Alias (byte*) print_line_cursor#22 = (byte*) print_line_cursor#7 
+Alias (byte*) print_char_cursor#13 = (byte*) print_char_cursor#37 
+Alias (byte*) print_line_cursor#23 = (byte*) print_line_cursor#8 
+Alias (byte*) print_char_cursor#14 = (byte*) print_char_cursor#38 
+Alias (byte*) print_line_cursor#24 = (byte*) print_line_cursor#9 
+Alias (byte*) print_char_cursor#15 = (byte*) print_char_cursor#39 
+Alias (byte*) print_line_cursor#10 = (byte*) print_line_cursor#25 
+Alias (byte*) print_char_cursor#16 = (byte*) print_char_cursor#40 (byte*) print_char_cursor#41 (byte*) print_char_cursor#17 
+Alias (byte*) print_line_cursor#11 = (byte*) print_line_cursor#26 (byte*) print_line_cursor#27 (byte*) print_line_cursor#12 
+Alias (byte) print_euclid::b#10 = (byte) print_euclid::b#8 (byte) print_euclid::b#6 (byte) print_euclid::b#9 (byte) print_euclid::b#7 
+Alias (byte) print_euclid::a#10 = (byte) print_euclid::a#6 (byte) print_euclid::a#9 (byte) print_euclid::a#8 (byte) print_euclid::a#7 
+Alias (byte*) print_line_cursor#33 = (byte*) print_line_cursor#40 (byte*) print_line_cursor#41 (byte*) print_line_cursor#39 (byte*) print_line_cursor#38 (byte*) print_line_cursor#37 (byte*) print_line_cursor#35 
+Alias (byte*) print_char_cursor#18 = (byte*) print_char_cursor#42 
+Alias (byte*) print_char_cursor#19 = (byte*) print_char_cursor#43 
+Alias (byte*) print_char_cursor#20 = (byte*) print_char_cursor#44 
+Alias (byte*) print_char_cursor#21 = (byte*) print_char_cursor#45 (byte*) print_char_cursor#54 
+Alias (byte) euclid::return#0 = (byte) euclid::return#3 
+Alias (byte) print_byte::b#2 = (byte~) print_euclid::$4 
+Alias (byte*) print_char_cursor#22 = (byte*) print_char_cursor#46 
+Alias (byte*) print_line_cursor#13 = (byte*) print_line_cursor#28 (byte*) print_line_cursor#29 (byte*) print_line_cursor#14 
+Alias (byte*) print_char_cursor#23 = (byte*) print_char_cursor#47 (byte*) print_char_cursor#48 (byte*) print_char_cursor#24 
+Alias (byte) euclid::a#2 = (byte) euclid::a#3 (byte) euclid::a#4 (byte) euclid::return#1 (byte) euclid::a#5 (byte) euclid::a#6 (byte) euclid::return#4 (byte) euclid::return#2 
+Alias (byte) euclid::b#2 = (byte) euclid::b#3 (byte) euclid::b#4 (byte) euclid::b#5 
+Alias (byte) euclid::a#1 = (byte~) euclid::$3 
+Alias (byte) euclid::b#1 = (byte~) euclid::$2 
+Alias (byte*) print_line_cursor#15 = (byte*) print_line_cursor#30 
+Alias (byte*) print_char_cursor#25 = (byte*) print_char_cursor#49 
+Successful SSA optimization Pass2AliasElimination
+Identical Phi Values (word) memset::num#1 (word) memset::num#0
+Identical Phi Values (void*) memset::str#2 (void*) memset::str#0
+Identical Phi Values (byte) memset::c#2 (byte) memset::c#0
+Identical Phi Values (byte) memset::c#1 (byte) memset::c#2
+Identical Phi Values (byte*) memset::end#1 (byte*) memset::end#0
+Identical Phi Values (void*) memset::str#4 (void*) memset::str#2
+Identical Phi Values (byte*) print_line_cursor#31 (byte*) print_line_cursor#33
+Identical Phi Values (byte*) print_char_cursor#50 (byte*) print_char_cursor#22
+Identical Phi Values (byte*) print_char_cursor#26 (byte*) print_char_cursor#50
+Identical Phi Values (byte*) print_char_cursor#28 (byte*) print_char_cursor#32
+Identical Phi Values (byte*) print_char_cursor#29 (byte*) print_char_cursor#32
+Identical Phi Values (byte*) print_line_cursor#19 (byte*) print_screen#3
+Identical Phi Values (byte*) print_screen#3 (byte*) print_line_cursor#0
+Identical Phi Values (byte*) print_line_cursor#32 (byte*) print_line_cursor#0
+Identical Phi Values (byte*) print_char_cursor#52 (byte*) print_line_cursor#0
+Identical Phi Values (byte*) print_line_cursor#20 (byte*) print_line_cursor#19
+Identical Phi Values (byte*) print_char_cursor#10 (byte*) print_line_cursor#19
+Identical Phi Values (byte*) print_char_cursor#11 (byte*) print_char_cursor#23
+Identical Phi Values (byte*) print_line_cursor#21 (byte*) print_line_cursor#13
+Identical Phi Values (byte*) print_char_cursor#12 (byte*) print_char_cursor#23
+Identical Phi Values (byte*) print_line_cursor#22 (byte*) print_line_cursor#13
+Identical Phi Values (byte*) print_char_cursor#13 (byte*) print_char_cursor#23
+Identical Phi Values (byte*) print_line_cursor#23 (byte*) print_line_cursor#13
+Identical Phi Values (byte*) print_char_cursor#14 (byte*) print_char_cursor#23
+Identical Phi Values (byte*) print_line_cursor#24 (byte*) print_line_cursor#13
+Identical Phi Values (byte*) print_char_cursor#15 (byte*) print_char_cursor#23
+Identical Phi Values (byte*) print_line_cursor#10 (byte*) print_line_cursor#13
+Identical Phi Values (byte*) print_char_cursor#16 (byte*) print_char_cursor#23
+Identical Phi Values (byte*) print_line_cursor#11 (byte*) print_line_cursor#13
+Identical Phi Values (byte*) print_char_cursor#18 (byte*) print_char_cursor#29
+Identical Phi Values (byte*) print_char_cursor#19 (byte*) print_char_cursor#32
+Identical Phi Values (byte*) print_char_cursor#20 (byte*) print_char_cursor#29
+Identical Phi Values (byte*) print_char_cursor#21 (byte*) print_char_cursor#32
+Identical Phi Values (byte*) print_char_cursor#22 (byte*) print_char_cursor#29
+Identical Phi Values (byte*) print_line_cursor#13 (byte*) print_line_cursor#1
+Identical Phi Values (byte*) print_char_cursor#23 (byte*) print_line_cursor#1
+Identical Phi Values (byte) euclid::a#7 (byte) euclid::a#0
+Identical Phi Values (byte) euclid::b#6 (byte) euclid::b#0
+Identical Phi Values (byte*) print_line_cursor#15 (byte*) print_line_cursor#11
+Identical Phi Values (byte*) print_char_cursor#25 (byte*) print_char_cursor#16
+Successful SSA optimization Pass2IdenticalPhiElimination
+Identical Phi Values (void*) memset::return#0 (void*) memset::str#0
+Successful SSA optimization Pass2IdenticalPhiElimination
+Simple Condition (bool~) memset::$1 [3] if((word) memset::num#0<=(byte) 0) goto memset::@1
+Simple Condition (bool~) memset::$4 [15] if((byte*) memset::dst#1!=(byte*) memset::end#0) goto memset::@4
+Simple Condition (bool~) print_ln::$1 [27] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1
+Simple Condition (bool~) euclid::$0 [152] if((byte) euclid::a#2!=(byte) euclid::b#2) goto euclid::@2
+Simple Condition (bool~) euclid::$1 [155] if((byte) euclid::a#2>(byte) euclid::b#2) goto euclid::@4
+Successful SSA optimization Pass2ConditionalJumpSimplification
+Constant (const byte*) print_line_cursor#0 = (byte*) 1024
+Constant (const byte[]) print_hextab#0 = $0
+Constant (const byte) memset::c#0 = ' '
+Constant (const word) memset::num#0 = $3e8
+Constant (const byte) print_euclid::a#0 = $80
+Constant (const byte) print_euclid::b#0 = 2
+Constant (const byte) print_euclid::a#1 = $a9
+Constant (const byte) print_euclid::b#1 = $45
+Constant (const byte) print_euclid::a#2 = $9b
+Constant (const byte) print_euclid::b#2 = $37
+Constant (const byte) print_euclid::a#3 = $c7
+Constant (const byte) print_euclid::b#3 = 3
+Constant (const byte) print_euclid::a#4 = $5b
+Constant (const byte) print_euclid::b#4 = $1a
+Constant (const byte) print_euclid::a#5 = $77
+Constant (const byte) print_euclid::b#5 = $bb
+Constant (const byte) print_char::ch#2 = ' '
+Constant (const byte) print_char::ch#3 = ' '
+Successful SSA optimization Pass2ConstantIdentification
+Constant value identified (void*)print_line_cursor#0 in [57] (void*) memset::str#0 ← (void*)(const byte*) print_line_cursor#0
+Successful SSA optimization Pass2ConstantValues
+if() condition always false - eliminating [3] if((const word) memset::num#0<=(byte) 0) goto memset::@1
+Successful SSA optimization Pass2ConstantIfs
+Eliminating unused variable (void*) memset::return#2 and assignment [26] (void*) memset::return#2 ← (void*) memset::str#0
+Successful SSA optimization PassNEliminateUnusedVars
+Constant (const void*) memset::str#0 = (void*)print_line_cursor#0
+Successful SSA optimization Pass2ConstantIdentification
+Constant value identified (byte*)memset::str#0 in [0] (byte*~) memset::$2 ← (byte*)(const void*) memset::str#0
+Constant value identified (byte*)memset::str#0 in [2] (byte*) memset::dst#0 ← (byte*)(const void*) memset::str#0
+Successful SSA optimization Pass2ConstantValues
+Constant (const byte*) memset::$2 = (byte*)memset::str#0
+Constant (const byte*) memset::dst#0 = (byte*)memset::str#0
+Successful SSA optimization Pass2ConstantIdentification
+Constant right-side identified [0] (byte*) memset::end#0 ← (const byte*) memset::$2 + (const word) memset::num#0
+Successful SSA optimization Pass2ConstantRValueConsolidation
+Constant (const byte*) memset::end#0 = memset::$2+memset::num#0
+Successful SSA optimization Pass2ConstantIdentification
+Inlining constant with var siblings (const byte*) memset::dst#0
+Inlining constant with var siblings (const byte) print_char::ch#2
+Inlining constant with var siblings (const byte) print_char::ch#3
+Inlining constant with var siblings (const byte) print_euclid::a#0
+Inlining constant with var siblings (const byte) print_euclid::b#0
+Inlining constant with var siblings (const byte) print_euclid::a#1
+Inlining constant with var siblings (const byte) print_euclid::b#1
+Inlining constant with var siblings (const byte) print_euclid::a#2
+Inlining constant with var siblings (const byte) print_euclid::b#2
+Inlining constant with var siblings (const byte) print_euclid::a#3
+Inlining constant with var siblings (const byte) print_euclid::b#3
+Inlining constant with var siblings (const byte) print_euclid::a#4
+Inlining constant with var siblings (const byte) print_euclid::b#4
+Inlining constant with var siblings (const byte) print_euclid::a#5
+Inlining constant with var siblings (const byte) print_euclid::b#5
+Inlining constant with var siblings (const byte*) print_line_cursor#0
+Constant inlined print_line_cursor#0 = (byte*) 1024
+Constant inlined $0 = (const byte[]) print_hextab#0
+Constant inlined print_char::ch#3 = (byte) ' '
+Constant inlined print_euclid::b#4 = (byte) $1a
+Constant inlined print_euclid::a#5 = (byte) $77
+Constant inlined print_char::ch#2 = (byte) ' '
+Constant inlined print_euclid::b#3 = (byte) 3
+Constant inlined print_euclid::a#4 = (byte) $5b
+Constant inlined memset::$2 = (byte*)(const void*) memset::str#0
+Constant inlined print_euclid::b#5 = (byte) $bb
+Constant inlined print_euclid::b#0 = (byte) 2
+Constant inlined print_euclid::a#1 = (byte) $a9
+Constant inlined print_euclid::a#0 = (byte) $80
+Constant inlined print_euclid::b#2 = (byte) $37
+Constant inlined print_euclid::a#3 = (byte) $c7
+Constant inlined print_euclid::b#1 = (byte) $45
+Constant inlined print_euclid::a#2 = (byte) $9b
+Constant inlined memset::dst#0 = (byte*)(const void*) memset::str#0
+Successful SSA optimization Pass2ConstantInlining
+Added new block during phi lifting memset::@6(between memset::@4 and memset::@4)
+Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
+Adding NOP phi() at start of @begin
+Adding NOP phi() at start of @12
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @39
+Adding NOP phi() at start of @40
+Adding NOP phi() at start of @end
+Adding NOP phi() at start of main
+Adding NOP phi() at start of main::@1
+Adding NOP phi() at start of main::@7
+Adding NOP phi() at start of print_euclid::@6
+Adding NOP phi() at start of print_euclid::@7
+Adding NOP phi() at start of print_ln::@2
+Adding NOP phi() at start of print_byte::@2
+Adding NOP phi() at start of euclid::@3
+Adding NOP phi() at start of print_cls
+Adding NOP phi() at start of print_cls::@1
+Adding NOP phi() at start of memset
+Adding NOP phi() at start of memset::@2
+Adding NOP phi() at start of memset::@1
+CALL GRAPH
+Calls in [] to main:4 
+Calls in [main] to print_cls:8 print_euclid:10 print_euclid:13 print_euclid:16 print_euclid:19 print_euclid:22 print_euclid:25 
+Calls in [print_euclid] to print_byte:32 print_char:34 print_byte:38 print_char:40 euclid:43 print_byte:48 print_ln:50 
+Calls in [print_byte] to print_char:65 print_char:70 
+Calls in [print_cls] to memset:91 
+
+Created 12 initial phi equivalence classes
+Not coalescing [11] print_char_cursor#64 ← print_line_cursor#1
+Coalesced [12] print_line_cursor#44 ← print_line_cursor#1
+Not coalescing [14] print_char_cursor#65 ← print_line_cursor#1
+Coalesced (already) [15] print_line_cursor#45 ← print_line_cursor#1
+Not coalescing [17] print_char_cursor#66 ← print_line_cursor#1
+Coalesced (already) [18] print_line_cursor#46 ← print_line_cursor#1
+Not coalescing [20] print_char_cursor#67 ← print_line_cursor#1
+Coalesced (already) [21] print_line_cursor#47 ← print_line_cursor#1
+Not coalescing [23] print_char_cursor#68 ← print_line_cursor#1
+Coalesced (already) [24] print_line_cursor#48 ← print_line_cursor#1
+Coalesced [30] print_byte::b#5 ← print_byte::b#0
+Coalesced [31] print_char_cursor#57 ← print_char_cursor#53
+Coalesced [33] print_char_cursor#62 ← print_char_cursor#32
+Coalesced [36] print_byte::b#6 ← print_byte::b#1
+Coalesced [37] print_char_cursor#58 ← print_char_cursor#32
+Coalesced (already) [39] print_char_cursor#63 ← print_char_cursor#32
+Coalesced [46] print_byte::b#7 ← print_byte::b#2
+Coalesced (already) [47] print_char_cursor#59 ← print_char_cursor#32
+Coalesced [53] print_line_cursor#42 ← print_line_cursor#33
+Coalesced (already) [59] print_line_cursor#43 ← print_line_cursor#1
+Coalesced [63] print_char::ch#5 ← print_char::ch#0
+Coalesced (already) [64] print_char_cursor#60 ← print_char_cursor#51
+Coalesced [68] print_char::ch#6 ← print_char::ch#1
+Coalesced (already) [69] print_char_cursor#61 ← print_char_cursor#32
+Coalesced [77] euclid::a#8 ← euclid::a#0
+Coalesced [78] euclid::b#7 ← euclid::b#0
+Coalesced (already) [85] euclid::a#10 ← euclid::a#2
+Coalesced [86] euclid::b#9 ← euclid::b#1
+Coalesced [88] euclid::a#9 ← euclid::a#1
+Coalesced (already) [89] euclid::b#8 ← euclid::b#2
+Coalesced [102] memset::dst#3 ← memset::dst#1
+Coalesced down to 9 phi equivalence classes
+Culled Empty Block (label) @12
+Culled Empty Block (label) @29
+Culled Empty Block (label) @40
+Culled Empty Block (label) main::@7
+Culled Empty Block (label) print_euclid::@7
+Culled Empty Block (label) print_ln::@2
+Culled Empty Block (label) print_ln::@3
+Culled Empty Block (label) print_byte::@2
+Culled Empty Block (label) euclid::@3
+Culled Empty Block (label) print_cls::@1
+Culled Empty Block (label) memset::@2
+Culled Empty Block (label) memset::@1
+Culled Empty Block (label) memset::@6
+Renumbering block @39 to @1
+Renumbering block memset::@4 to memset::@1
+Renumbering block euclid::@4 to euclid::@3
+Renumbering block euclid::@8 to euclid::@4
+Adding NOP phi() at start of @begin
+Adding NOP phi() at start of @1
+Adding NOP phi() at start of @end
+Adding NOP phi() at start of main
+Adding NOP phi() at start of main::@1
+Adding NOP phi() at start of print_euclid::@1
+Adding NOP phi() at start of print_euclid::@3
+Adding NOP phi() at start of print_euclid::@6
+Adding NOP phi() at start of print_ln
+Adding NOP phi() at start of euclid
+Adding NOP phi() at start of print_cls
+Adding NOP phi() at start of memset
+
+FINAL CONTROL FLOW GRAPH
+@begin: scope:[]  from
+  [0] phi()
+  to:@1
+@1: scope:[]  from @begin
+  [1] phi()
+  [2] call main 
+  to:@end
+@end: scope:[]  from @1
+  [3] phi()
+main: scope:[main]  from @1
+  [4] phi()
+  [5] call print_cls 
+  to:main::@1
+main::@1: scope:[main]  from main
+  [6] phi()
+  [7] call print_euclid 
+  to:main::@2
+main::@2: scope:[main]  from main::@1
+  [8] (byte*~) print_char_cursor#64 ← (byte*) print_line_cursor#1
+  [9] call print_euclid 
+  to:main::@3
+main::@3: scope:[main]  from main::@2
+  [10] (byte*~) print_char_cursor#65 ← (byte*) print_line_cursor#1
+  [11] call print_euclid 
+  to:main::@4
+main::@4: scope:[main]  from main::@3
+  [12] (byte*~) print_char_cursor#66 ← (byte*) print_line_cursor#1
+  [13] call print_euclid 
+  to:main::@5
+main::@5: scope:[main]  from main::@4
+  [14] (byte*~) print_char_cursor#67 ← (byte*) print_line_cursor#1
+  [15] call print_euclid 
+  to:main::@6
+main::@6: scope:[main]  from main::@5
+  [16] (byte*~) print_char_cursor#68 ← (byte*) print_line_cursor#1
+  [17] call print_euclid 
+  to:main::@return
+main::@return: scope:[main]  from main::@6
+  [18] return 
+  to:@return
+print_euclid: scope:[print_euclid]  from main::@1 main::@2 main::@3 main::@4 main::@5 main::@6
+  [19] (byte*) print_line_cursor#33 ← phi( main::@1/(byte*) 1024 main::@2/(byte*) print_line_cursor#1 main::@3/(byte*) print_line_cursor#1 main::@4/(byte*) print_line_cursor#1 main::@5/(byte*) print_line_cursor#1 main::@6/(byte*) print_line_cursor#1 )
+  [19] (byte) print_euclid::b#10 ← phi( main::@1/(byte) 2 main::@2/(byte) $45 main::@3/(byte) $37 main::@4/(byte) 3 main::@5/(byte) $1a main::@6/(byte) $bb )
+  [19] (byte*) print_char_cursor#53 ← phi( main::@1/(byte*) 1024 main::@2/(byte*~) print_char_cursor#64 main::@3/(byte*~) print_char_cursor#65 main::@4/(byte*~) print_char_cursor#66 main::@5/(byte*~) print_char_cursor#67 main::@6/(byte*~) print_char_cursor#68 )
+  [19] (byte) print_euclid::a#10 ← phi( main::@1/(byte) $80 main::@2/(byte) $a9 main::@3/(byte) $9b main::@4/(byte) $c7 main::@5/(byte) $5b main::@6/(byte) $77 )
+  [20] (byte) print_byte::b#0 ← (byte) print_euclid::a#10
+  [21] call print_byte 
+  to:print_euclid::@1
+print_euclid::@1: scope:[print_euclid]  from print_euclid
+  [22] phi()
+  [23] call print_char 
+  to:print_euclid::@2
+print_euclid::@2: scope:[print_euclid]  from print_euclid::@1
+  [24] (byte) print_byte::b#1 ← (byte) print_euclid::b#10
+  [25] call print_byte 
+  to:print_euclid::@3
+print_euclid::@3: scope:[print_euclid]  from print_euclid::@2
+  [26] phi()
+  [27] call print_char 
+  to:print_euclid::@4
+print_euclid::@4: scope:[print_euclid]  from print_euclid::@3
+  [28] (byte) euclid::a#0 ← (byte) print_euclid::a#10
+  [29] (byte) euclid::b#0 ← (byte) print_euclid::b#10
+  [30] call euclid 
+  [31] (byte) euclid::return#0 ← (byte) euclid::a#2
+  to:print_euclid::@5
+print_euclid::@5: scope:[print_euclid]  from print_euclid::@4
+  [32] (byte) print_byte::b#2 ← (byte) euclid::return#0
+  [33] call print_byte 
+  to:print_euclid::@6
+print_euclid::@6: scope:[print_euclid]  from print_euclid::@5
+  [34] phi()
+  [35] call print_ln 
+  to:print_euclid::@return
+print_euclid::@return: scope:[print_euclid]  from print_euclid::@6
+  [36] return 
+  to:@return
+print_ln: scope:[print_ln]  from print_euclid::@6
+  [37] phi()
+  to:print_ln::@1
+print_ln::@1: scope:[print_ln]  from print_ln print_ln::@1
+  [38] (byte*) print_line_cursor#16 ← phi( print_ln/(byte*) print_line_cursor#33 print_ln::@1/(byte*) print_line_cursor#1 )
+  [39] (byte*) print_line_cursor#1 ← (byte*) print_line_cursor#16 + (byte) $28
+  [40] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1
+  to:print_ln::@return
+print_ln::@return: scope:[print_ln]  from print_ln::@1
+  [41] return 
+  to:@return
+print_byte: scope:[print_byte]  from print_euclid print_euclid::@2 print_euclid::@5
+  [42] (byte*) print_char_cursor#51 ← phi( print_euclid/(byte*) print_char_cursor#53 print_euclid::@2/(byte*) print_char_cursor#32 print_euclid::@5/(byte*) print_char_cursor#32 )
+  [42] (byte) print_byte::b#3 ← phi( print_euclid/(byte) print_byte::b#0 print_euclid::@2/(byte) print_byte::b#1 print_euclid::@5/(byte) print_byte::b#2 )
+  [43] (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (byte) 4
+  [44] (byte) print_char::ch#0 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$0)
+  [45] call print_char 
+  to:print_byte::@1
+print_byte::@1: scope:[print_byte]  from print_byte
+  [46] (byte~) print_byte::$2 ← (byte) print_byte::b#3 & (byte) $f
+  [47] (byte) print_char::ch#1 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$2)
+  [48] call print_char 
+  to:print_byte::@return
+print_byte::@return: scope:[print_byte]  from print_byte::@1
+  [49] return 
+  to:@return
+print_char: scope:[print_char]  from print_byte print_byte::@1 print_euclid::@1 print_euclid::@3
+  [50] (byte*) print_char_cursor#31 ← phi( print_byte/(byte*) print_char_cursor#51 print_byte::@1/(byte*) print_char_cursor#32 print_euclid::@1/(byte*) print_char_cursor#32 print_euclid::@3/(byte*) print_char_cursor#32 )
+  [50] (byte) print_char::ch#4 ← phi( print_byte/(byte) print_char::ch#0 print_byte::@1/(byte) print_char::ch#1 print_euclid::@1/(byte) ' ' print_euclid::@3/(byte) ' ' )
+  [51] *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4
+  [52] (byte*) print_char_cursor#32 ← ++ (byte*) print_char_cursor#31
+  to:print_char::@return
+print_char::@return: scope:[print_char]  from print_char
+  [53] return 
+  to:@return
+euclid: scope:[euclid]  from print_euclid::@4
+  [54] phi()
+  to:euclid::@1
+euclid::@1: scope:[euclid]  from euclid euclid::@3 euclid::@4
+  [55] (byte) euclid::b#2 ← phi( euclid/(byte) euclid::b#0 euclid::@3/(byte) euclid::b#2 euclid::@4/(byte) euclid::b#1 )
+  [55] (byte) euclid::a#2 ← phi( euclid/(byte) euclid::a#0 euclid::@3/(byte) euclid::a#1 euclid::@4/(byte) euclid::a#2 )
+  [56] if((byte) euclid::a#2!=(byte) euclid::b#2) goto euclid::@2
+  to:euclid::@return
+euclid::@return: scope:[euclid]  from euclid::@1
+  [57] return 
+  to:@return
+euclid::@2: scope:[euclid]  from euclid::@1
+  [58] if((byte) euclid::a#2>(byte) euclid::b#2) goto euclid::@3
+  to:euclid::@4
+euclid::@4: scope:[euclid]  from euclid::@2
+  [59] (byte) euclid::b#1 ← (byte) euclid::b#2 - (byte) euclid::a#2
+  to:euclid::@1
+euclid::@3: scope:[euclid]  from euclid::@2
+  [60] (byte) euclid::a#1 ← (byte) euclid::a#2 - (byte) euclid::b#2
+  to:euclid::@1
+print_cls: scope:[print_cls]  from main
+  [61] phi()
+  [62] call memset 
+  to:print_cls::@return
+print_cls::@return: scope:[print_cls]  from print_cls
+  [63] return 
+  to:@return
+memset: scope:[memset]  from print_cls
+  [64] phi()
+  to:memset::@1
+memset::@1: scope:[memset]  from memset memset::@1
+  [65] (byte*) memset::dst#2 ← phi( memset/(byte*)(const void*) memset::str#0 memset::@1/(byte*) memset::dst#1 )
+  [66] *((byte*) memset::dst#2) ← (const byte) memset::c#0
+  [67] (byte*) memset::dst#1 ← ++ (byte*) memset::dst#2
+  [68] if((byte*) memset::dst#1!=(const byte*) memset::end#0) goto memset::@1
+  to:memset::@return
+memset::@return: scope:[memset]  from memset::@1
+  [69] return 
+  to:@return
+
+
+VARIABLE REGISTER WEIGHTS
+(byte()) euclid((byte) euclid::a , (byte) euclid::b)
+(byte) euclid::a
+(byte) euclid::a#0 1.3333333333333333
+(byte) euclid::a#1 22.0
+(byte) euclid::a#2 13.5
+(byte) euclid::b
+(byte) euclid::b#0 2.0
+(byte) euclid::b#1 22.0
+(byte) euclid::b#2 19.75
+(byte) euclid::return
+(byte) euclid::return#0 4.0
+(void()) main()
+(void*()) memset((void*) memset::str , (byte) memset::c , (word) memset::num)
+(byte) memset::c
+(byte*) memset::dst
+(byte*) memset::dst#1 16.5
+(byte*) memset::dst#2 16.5
+(byte*) memset::end
+(word) memset::num
+(void*) memset::return
+(void*) memset::str
+(void()) print_byte((byte) print_byte::b)
+(byte~) print_byte::$0 4.0
+(byte~) print_byte::$2 4.0
+(byte) print_byte::b
+(byte) print_byte::b#0 4.0
+(byte) print_byte::b#1 4.0
+(byte) print_byte::b#2 4.0
+(byte) print_byte::b#3 2.5
+(void()) print_char((byte) print_char::ch)
+(byte) print_char::ch
+(byte) print_char::ch#0 4.0
+(byte) print_char::ch#1 4.0
+(byte) print_char::ch#4 6.0
+(byte*) print_char_cursor
+(byte*) print_char_cursor#31 6.0
+(byte*) print_char_cursor#32 0.9199999999999998
+(byte*) print_char_cursor#51 2.6666666666666665
+(byte*) print_char_cursor#53 6.0
+(byte*~) print_char_cursor#64 4.0
+(byte*~) print_char_cursor#65 4.0
+(byte*~) print_char_cursor#66 4.0
+(byte*~) print_char_cursor#67 4.0
+(byte*~) print_char_cursor#68 4.0
+(void()) print_cls()
+(void()) print_euclid((byte) print_euclid::a , (byte) print_euclid::b)
+(byte) print_euclid::a
+(byte) print_euclid::a#10 0.4444444444444444
+(byte) print_euclid::b
+(byte) print_euclid::b#10 0.4
+(byte[]) print_hextab
+(byte*) print_line_cursor
+(byte*) print_line_cursor#1 3.533333333333333
+(byte*) print_line_cursor#16 24.0
+(byte*) print_line_cursor#33 0.7058823529411765
+(void()) print_ln()
+(byte*) print_screen
+
+Initial phi equivalence classes
+[ print_euclid::a#10 ]
+[ print_euclid::b#10 ]
+[ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ]
+[ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ]
+[ print_char::ch#4 print_char::ch#0 print_char::ch#1 ]
+[ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ]
+[ euclid::a#2 euclid::a#0 euclid::a#1 ]
+[ euclid::b#2 euclid::b#0 euclid::b#1 ]
+[ memset::dst#2 memset::dst#1 ]
+Added variable euclid::return#0 to zero page equivalence class [ euclid::return#0 ]
+Added variable print_byte::$0 to zero page equivalence class [ print_byte::$0 ]
+Added variable print_byte::$2 to zero page equivalence class [ print_byte::$2 ]
+Complete equivalence classes
+[ print_euclid::a#10 ]
+[ print_euclid::b#10 ]
+[ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ]
+[ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ]
+[ print_char::ch#4 print_char::ch#0 print_char::ch#1 ]
+[ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ]
+[ euclid::a#2 euclid::a#0 euclid::a#1 ]
+[ euclid::b#2 euclid::b#0 euclid::b#1 ]
+[ memset::dst#2 memset::dst#1 ]
+[ euclid::return#0 ]
+[ print_byte::$0 ]
+[ print_byte::$2 ]
+Allocated zp ZP_BYTE:2 [ print_euclid::a#10 ]
+Allocated zp ZP_BYTE:3 [ print_euclid::b#10 ]
+Allocated zp ZP_WORD:4 [ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ]
+Allocated zp ZP_BYTE:6 [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ]
+Allocated zp ZP_BYTE:7 [ print_char::ch#4 print_char::ch#0 print_char::ch#1 ]
+Allocated zp ZP_WORD:8 [ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ]
+Allocated zp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ]
+Allocated zp ZP_BYTE:11 [ euclid::b#2 euclid::b#0 euclid::b#1 ]
+Allocated zp ZP_WORD:12 [ memset::dst#2 memset::dst#1 ]
+Allocated zp ZP_BYTE:14 [ euclid::return#0 ]
+Allocated zp ZP_BYTE:15 [ print_byte::$0 ]
+Allocated zp ZP_BYTE:16 [ print_byte::$2 ]
+
+INITIAL ASM
+  // File Comments
+/*
+ * Find least common denominator using subtraction-based Euclidian algorithm
+ * See https://en.wikipedia.org/wiki/Euclidean_algorithm
+ * Based on facebook post from
+ */
+  // Basic Upstart
+.pc = $801 "Basic"
+:BasicUpstart(bbegin)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label print_line_cursor = 4
+  .label print_char_cursor = 8
+  // @begin
+bbegin:
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+b1_from_bbegin:
+  jmp b1
+  // @1
+b1:
+  // [2] call main 
+  // [4] phi from @1 to main [phi:@1->main]
+main_from_b1:
+  jsr main
+  // [3] phi from @1 to @end [phi:@1->@end]
+bend_from_b1:
+  jmp bend
+  // @end
+bend:
+  // main
+main: {
+    // [5] call print_cls 
+    // [61] phi from main to print_cls [phi:main->print_cls]
+  print_cls_from_main:
+    jsr print_cls
+    // [6] phi from main to main::@1 [phi:main->main::@1]
+  b1_from_main:
+    jmp b1
+    // main::@1
+  b1:
+    // [7] call print_euclid 
+    // [19] phi from main::@1 to print_euclid [phi:main::@1->print_euclid]
+  print_euclid_from_b1:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) 1024 [phi:main::@1->print_euclid#0] -- pbuz1=pbuc1 
+    lda #<$400
+    sta print_line_cursor
+    lda #>$400
+    sta print_line_cursor+1
+    // [19] phi (byte) print_euclid::b#10 = (byte) 2 [phi:main::@1->print_euclid#1] -- vbuz1=vbuc1 
+    lda #2
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*) 1024 [phi:main::@1->print_euclid#2] -- pbuz1=pbuc1 
+    lda #<$400
+    sta print_char_cursor
+    lda #>$400
+    sta print_char_cursor+1
+    // [19] phi (byte) print_euclid::a#10 = (byte) $80 [phi:main::@1->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$80
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b2
+    // main::@2
+  b2:
+    // [8] (byte*~) print_char_cursor#64 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [9] call print_euclid 
+    // [19] phi from main::@2 to print_euclid [phi:main::@2->print_euclid]
+  print_euclid_from_b2:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@2->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $45 [phi:main::@2->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$45
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#64 [phi:main::@2->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $a9 [phi:main::@2->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$a9
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b3
+    // main::@3
+  b3:
+    // [10] (byte*~) print_char_cursor#65 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [11] call print_euclid 
+    // [19] phi from main::@3 to print_euclid [phi:main::@3->print_euclid]
+  print_euclid_from_b3:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@3->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $37 [phi:main::@3->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$37
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#65 [phi:main::@3->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $9b [phi:main::@3->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$9b
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b4
+    // main::@4
+  b4:
+    // [12] (byte*~) print_char_cursor#66 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [13] call print_euclid 
+    // [19] phi from main::@4 to print_euclid [phi:main::@4->print_euclid]
+  print_euclid_from_b4:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@4->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) 3 [phi:main::@4->print_euclid#1] -- vbuz1=vbuc1 
+    lda #3
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#66 [phi:main::@4->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $c7 [phi:main::@4->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$c7
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b5
+    // main::@5
+  b5:
+    // [14] (byte*~) print_char_cursor#67 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [15] call print_euclid 
+    // [19] phi from main::@5 to print_euclid [phi:main::@5->print_euclid]
+  print_euclid_from_b5:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@5->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $1a [phi:main::@5->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$1a
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#67 [phi:main::@5->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $5b [phi:main::@5->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$5b
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b6
+    // main::@6
+  b6:
+    // [16] (byte*~) print_char_cursor#68 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [17] call print_euclid 
+    // [19] phi from main::@6 to print_euclid [phi:main::@6->print_euclid]
+  print_euclid_from_b6:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@6->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $bb [phi:main::@6->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$bb
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#68 [phi:main::@6->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $77 [phi:main::@6->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$77
+    sta print_euclid.a
+    jsr print_euclid
+    jmp breturn
+    // main::@return
+  breturn:
+    // [18] return 
+    rts
+}
+  // print_euclid
+// print_euclid(byte zeropage(2) a, byte zeropage(3) b)
+print_euclid: {
+    .label b = 3
+    .label a = 2
+    // [20] (byte) print_byte::b#0 ← (byte) print_euclid::a#10 -- vbuz1=vbuz2 
+    lda a
+    sta print_byte.b
+    // [21] call print_byte 
+    // [42] phi from print_euclid to print_byte [phi:print_euclid->print_byte]
+  print_byte_from_print_euclid:
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#53 [phi:print_euclid->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#0 [phi:print_euclid->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [22] phi from print_euclid to print_euclid::@1 [phi:print_euclid->print_euclid::@1]
+  b1_from_print_euclid:
+    jmp b1
+    // print_euclid::@1
+  b1:
+    // [23] call print_char 
+    // [50] phi from print_euclid::@1 to print_char [phi:print_euclid::@1->print_char]
+  print_char_from_b1:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_euclid::@1->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) ' ' [phi:print_euclid::@1->print_char#1] -- vbuz1=vbuc1 
+    lda #' '
+    sta print_char.ch
+    jsr print_char
+    jmp b2
+    // print_euclid::@2
+  b2:
+    // [24] (byte) print_byte::b#1 ← (byte) print_euclid::b#10 -- vbuz1=vbuz2 
+    lda b
+    sta print_byte.b
+    // [25] call print_byte 
+    // [42] phi from print_euclid::@2 to print_byte [phi:print_euclid::@2->print_byte]
+  print_byte_from_b2:
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#32 [phi:print_euclid::@2->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#1 [phi:print_euclid::@2->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [26] phi from print_euclid::@2 to print_euclid::@3 [phi:print_euclid::@2->print_euclid::@3]
+  b3_from_b2:
+    jmp b3
+    // print_euclid::@3
+  b3:
+    // [27] call print_char 
+    // [50] phi from print_euclid::@3 to print_char [phi:print_euclid::@3->print_char]
+  print_char_from_b3:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_euclid::@3->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) ' ' [phi:print_euclid::@3->print_char#1] -- vbuz1=vbuc1 
+    lda #' '
+    sta print_char.ch
+    jsr print_char
+    jmp b4
+    // print_euclid::@4
+  b4:
+    // [28] (byte) euclid::a#0 ← (byte) print_euclid::a#10 -- vbuz1=vbuz2 
+    lda a
+    sta euclid.a
+    // [29] (byte) euclid::b#0 ← (byte) print_euclid::b#10 -- vbuz1=vbuz2 
+    lda b
+    sta euclid.b
+    // [30] call euclid 
+    // [54] phi from print_euclid::@4 to euclid [phi:print_euclid::@4->euclid]
+  euclid_from_b4:
+    jsr euclid
+    // [31] (byte) euclid::return#0 ← (byte) euclid::a#2 -- vbuz1=vbuz2 
+    lda euclid.a
+    sta euclid.return
+    jmp b5
+    // print_euclid::@5
+  b5:
+    // [32] (byte) print_byte::b#2 ← (byte) euclid::return#0 -- vbuz1=vbuz2 
+    lda euclid.return
+    sta print_byte.b
+    // [33] call print_byte 
+    // [42] phi from print_euclid::@5 to print_byte [phi:print_euclid::@5->print_byte]
+  print_byte_from_b5:
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#32 [phi:print_euclid::@5->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#2 [phi:print_euclid::@5->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [34] phi from print_euclid::@5 to print_euclid::@6 [phi:print_euclid::@5->print_euclid::@6]
+  b6_from_b5:
+    jmp b6
+    // print_euclid::@6
+  b6:
+    // [35] call print_ln 
+    // [37] phi from print_euclid::@6 to print_ln [phi:print_euclid::@6->print_ln]
+  print_ln_from_b6:
+    jsr print_ln
+    jmp breturn
+    // print_euclid::@return
+  breturn:
+    // [36] return 
+    rts
+}
+  // print_ln
+// Print a newline
+print_ln: {
+    // [38] phi from print_ln print_ln::@1 to print_ln::@1 [phi:print_ln/print_ln::@1->print_ln::@1]
+  b1_from_print_ln:
+  b1_from_b1:
+    // [38] phi (byte*) print_line_cursor#16 = (byte*) print_line_cursor#33 [phi:print_ln/print_ln::@1->print_ln::@1#0] -- register_copy 
+    jmp b1
+    // print_ln::@1
+  b1:
+    // [39] (byte*) print_line_cursor#1 ← (byte*) print_line_cursor#16 + (byte) $28 -- pbuz1=pbuz1_plus_vbuc1 
+    lda #$28
+    clc
+    adc print_line_cursor
+    sta print_line_cursor
+    bcc !+
+    inc print_line_cursor+1
+  !:
+    // [40] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1 -- pbuz1_lt_pbuz2_then_la1 
+    lda print_line_cursor+1
+    cmp print_char_cursor+1
+    bcc b1_from_b1
+    bne !+
+    lda print_line_cursor
+    cmp print_char_cursor
+    bcc b1_from_b1
+  !:
+    jmp breturn
+    // print_ln::@return
+  breturn:
+    // [41] return 
+    rts
+}
+  // print_byte
+// Print a byte as HEX
+// print_byte(byte zeropage(6) b)
+print_byte: {
+    .label _0 = $f
+    .label _2 = $10
+    .label b = 6
+    // [43] (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (byte) 4 -- vbuz1=vbuz2_ror_4 
+    lda b
+    lsr
+    lsr
+    lsr
+    lsr
+    sta _0
+    // [44] (byte) print_char::ch#0 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$0) -- vbuz1=pbuc1_derefidx_vbuz2 
+    ldy _0
+    lda print_hextab,y
+    sta print_char.ch
+    // [45] call print_char 
+    // [50] phi from print_byte to print_char [phi:print_byte->print_char]
+  print_char_from_print_byte:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#51 [phi:print_byte->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) print_char::ch#0 [phi:print_byte->print_char#1] -- register_copy 
+    jsr print_char
+    jmp b1
+    // print_byte::@1
+  b1:
+    // [46] (byte~) print_byte::$2 ← (byte) print_byte::b#3 & (byte) $f -- vbuz1=vbuz2_band_vbuc1 
+    lda #$f
+    and b
+    sta _2
+    // [47] (byte) print_char::ch#1 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$2) -- vbuz1=pbuc1_derefidx_vbuz2 
+    ldy _2
+    lda print_hextab,y
+    sta print_char.ch
+    // [48] call print_char 
+    // [50] phi from print_byte::@1 to print_char [phi:print_byte::@1->print_char]
+  print_char_from_b1:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_byte::@1->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) print_char::ch#1 [phi:print_byte::@1->print_char#1] -- register_copy 
+    jsr print_char
+    jmp breturn
+    // print_byte::@return
+  breturn:
+    // [49] return 
+    rts
+}
+  // print_char
+// Print a single char
+// print_char(byte zeropage(7) ch)
+print_char: {
+    .label ch = 7
+    // [51] *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4 -- _deref_pbuz1=vbuz2 
+    lda ch
+    ldy #0
+    sta (print_char_cursor),y
+    // [52] (byte*) print_char_cursor#32 ← ++ (byte*) print_char_cursor#31 -- pbuz1=_inc_pbuz1 
+    inc print_char_cursor
+    bne !+
+    inc print_char_cursor+1
+  !:
+    jmp breturn
+    // print_char::@return
+  breturn:
+    // [53] return 
+    rts
+}
+  // euclid
+// euclid(byte zeropage($a) a, byte zeropage($b) b)
+euclid: {
+    .label a = $a
+    .label b = $b
+    .label return = $e
+    // [55] phi from euclid euclid::@3 euclid::@4 to euclid::@1 [phi:euclid/euclid::@3/euclid::@4->euclid::@1]
+  b1_from_euclid:
+  b1_from_b3:
+  b1_from_b4:
+    // [55] phi (byte) euclid::b#2 = (byte) euclid::b#0 [phi:euclid/euclid::@3/euclid::@4->euclid::@1#0] -- register_copy 
+    // [55] phi (byte) euclid::a#2 = (byte) euclid::a#0 [phi:euclid/euclid::@3/euclid::@4->euclid::@1#1] -- register_copy 
+    jmp b1
+    // euclid::@1
+  b1:
+    // [56] if((byte) euclid::a#2!=(byte) euclid::b#2) goto euclid::@2 -- vbuz1_neq_vbuz2_then_la1 
+    lda a
+    cmp b
+    bne b2
+    jmp breturn
+    // euclid::@return
+  breturn:
+    // [57] return 
+    rts
+    // euclid::@2
+  b2:
+    // [58] if((byte) euclid::a#2>(byte) euclid::b#2) goto euclid::@3 -- vbuz1_gt_vbuz2_then_la1 
+    lda b
+    cmp a
+    bcc b3
+    jmp b4
+    // euclid::@4
+  b4:
+    // [59] (byte) euclid::b#1 ← (byte) euclid::b#2 - (byte) euclid::a#2 -- vbuz1=vbuz1_minus_vbuz2 
+    lda b
+    sec
+    sbc a
+    sta b
+    jmp b1_from_b4
+    // euclid::@3
+  b3:
+    // [60] (byte) euclid::a#1 ← (byte) euclid::a#2 - (byte) euclid::b#2 -- vbuz1=vbuz1_minus_vbuz2 
+    lda a
+    sec
+    sbc b
+    sta a
+    jmp b1_from_b3
+}
+  // print_cls
+// Clear the screen. Also resets current line/char cursor.
+print_cls: {
+    // [62] call memset 
+    // [64] phi from print_cls to memset [phi:print_cls->memset]
+  memset_from_print_cls:
+    jsr memset
+    jmp breturn
+    // print_cls::@return
+  breturn:
+    // [63] return 
+    rts
+}
+  // memset
+// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
+memset: {
+    .const c = ' '
+    .const num = $3e8
+    .label str = $400
+    .label end = str+num
+    .label dst = $c
+    // [65] phi from memset to memset::@1 [phi:memset->memset::@1]
+  b1_from_memset:
+    // [65] phi (byte*) memset::dst#2 = (byte*)(const void*) memset::str#0 [phi:memset->memset::@1#0] -- pbuz1=pbuc1 
+    lda #<str
+    sta dst
+    lda #>str
+    sta dst+1
+    jmp b1
+    // [65] phi from memset::@1 to memset::@1 [phi:memset::@1->memset::@1]
+  b1_from_b1:
+    // [65] phi (byte*) memset::dst#2 = (byte*) memset::dst#1 [phi:memset::@1->memset::@1#0] -- register_copy 
+    jmp b1
+    // memset::@1
+  b1:
+    // [66] *((byte*) memset::dst#2) ← (const byte) memset::c#0 -- _deref_pbuz1=vbuc1 
+    lda #c
+    ldy #0
+    sta (dst),y
+    // [67] (byte*) memset::dst#1 ← ++ (byte*) memset::dst#2 -- pbuz1=_inc_pbuz1 
+    inc dst
+    bne !+
+    inc dst+1
+  !:
+    // [68] if((byte*) memset::dst#1!=(const byte*) memset::end#0) goto memset::@1 -- pbuz1_neq_pbuc1_then_la1 
+    lda dst+1
+    cmp #>end
+    bne b1_from_b1
+    lda dst
+    cmp #<end
+    bne b1_from_b1
+    jmp breturn
+    // memset::@return
+  breturn:
+    // [69] return 
+    rts
+}
+  // File Data
+  print_hextab: .text "0123456789abcdef"
+
+REGISTER UPLIFT POTENTIAL REGISTERS
+Statement [8] (byte*~) print_char_cursor#64 ← (byte*) print_line_cursor#1 [ print_char_cursor#64 print_line_cursor#1 ] ( main:2 [ print_char_cursor#64 print_line_cursor#1 ] ) always clobbers reg byte a 
+Statement [10] (byte*~) print_char_cursor#65 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#65 ] ( main:2 [ print_line_cursor#1 print_char_cursor#65 ] ) always clobbers reg byte a 
+Statement [12] (byte*~) print_char_cursor#66 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#66 ] ( main:2 [ print_line_cursor#1 print_char_cursor#66 ] ) always clobbers reg byte a 
+Statement [14] (byte*~) print_char_cursor#67 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#67 ] ( main:2 [ print_line_cursor#1 print_char_cursor#67 ] ) always clobbers reg byte a 
+Statement [16] (byte*~) print_char_cursor#68 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#68 ] ( main:2 [ print_line_cursor#1 print_char_cursor#68 ] ) always clobbers reg byte a 
+Statement [39] (byte*) print_line_cursor#1 ← (byte*) print_line_cursor#16 + (byte) $28 [ print_line_cursor#1 print_char_cursor#32 ] ( main:2::print_euclid:7::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:9::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:11::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:13::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:15::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:17::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] ) always clobbers reg byte a 
+Statement [40] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1 [ print_line_cursor#1 print_char_cursor#32 ] ( main:2::print_euclid:7::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:9::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:11::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:13::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:15::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:17::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] ) always clobbers reg byte a 
+Statement [43] (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (byte) 4 [ print_byte::b#3 print_char_cursor#51 print_byte::$0 ] ( main:2::print_euclid:7::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:9::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:11::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:13::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:15::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:17::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:7::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:9::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:11::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:13::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:15::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:17::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:7::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:9::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:11::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:13::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:15::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:17::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] ) always clobbers reg byte a 
+Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ print_euclid::a#10 ]
+Removing always clobbered register reg byte a as potential for zp ZP_BYTE:3 [ print_euclid::b#10 ]
+Removing always clobbered register reg byte a as potential for zp ZP_BYTE:6 [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ]
+Statement [46] (byte~) print_byte::$2 ← (byte) print_byte::b#3 & (byte) $f [ print_char_cursor#32 print_byte::$2 ] ( main:2::print_euclid:7::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:9::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:11::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:13::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:15::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:17::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:7::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:9::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:11::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:13::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:15::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:17::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:7::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:9::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:11::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:13::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:15::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:17::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] ) always clobbers reg byte a 
+Statement [51] *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4 [ print_char_cursor#31 ] ( main:2::print_euclid:7::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] ) always clobbers reg byte y 
+Removing always clobbered register reg byte y as potential for zp ZP_BYTE:2 [ print_euclid::a#10 ]
+Removing always clobbered register reg byte y as potential for zp ZP_BYTE:3 [ print_euclid::b#10 ]
+Removing always clobbered register reg byte y as potential for zp ZP_BYTE:6 [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ]
+Statement [59] (byte) euclid::b#1 ← (byte) euclid::b#2 - (byte) euclid::a#2 [ euclid::a#2 euclid::b#1 ] ( main:2::print_euclid:7::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:9::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:11::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:13::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:15::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:17::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] ) always clobbers reg byte a 
+Removing always clobbered register reg byte a as potential for zp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ]
+Statement [60] (byte) euclid::a#1 ← (byte) euclid::a#2 - (byte) euclid::b#2 [ euclid::b#2 euclid::a#1 ] ( main:2::print_euclid:7::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:9::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:11::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:13::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:15::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:17::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] ) always clobbers reg byte a 
+Removing always clobbered register reg byte a as potential for zp ZP_BYTE:11 [ euclid::b#2 euclid::b#0 euclid::b#1 ]
+Statement [66] *((byte*) memset::dst#2) ← (const byte) memset::c#0 [ memset::dst#2 ] ( main:2::print_cls:5::memset:62 [ memset::dst#2 ] ) always clobbers reg byte a reg byte y 
+Statement [68] if((byte*) memset::dst#1!=(const byte*) memset::end#0) goto memset::@1 [ memset::dst#1 ] ( main:2::print_cls:5::memset:62 [ memset::dst#1 ] ) always clobbers reg byte a 
+Statement [8] (byte*~) print_char_cursor#64 ← (byte*) print_line_cursor#1 [ print_char_cursor#64 print_line_cursor#1 ] ( main:2 [ print_char_cursor#64 print_line_cursor#1 ] ) always clobbers reg byte a 
+Statement [10] (byte*~) print_char_cursor#65 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#65 ] ( main:2 [ print_line_cursor#1 print_char_cursor#65 ] ) always clobbers reg byte a 
+Statement [12] (byte*~) print_char_cursor#66 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#66 ] ( main:2 [ print_line_cursor#1 print_char_cursor#66 ] ) always clobbers reg byte a 
+Statement [14] (byte*~) print_char_cursor#67 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#67 ] ( main:2 [ print_line_cursor#1 print_char_cursor#67 ] ) always clobbers reg byte a 
+Statement [16] (byte*~) print_char_cursor#68 ← (byte*) print_line_cursor#1 [ print_line_cursor#1 print_char_cursor#68 ] ( main:2 [ print_line_cursor#1 print_char_cursor#68 ] ) always clobbers reg byte a 
+Statement [39] (byte*) print_line_cursor#1 ← (byte*) print_line_cursor#16 + (byte) $28 [ print_line_cursor#1 print_char_cursor#32 ] ( main:2::print_euclid:7::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:9::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:11::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:13::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:15::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:17::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] ) always clobbers reg byte a 
+Statement [40] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1 [ print_line_cursor#1 print_char_cursor#32 ] ( main:2::print_euclid:7::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:9::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:11::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:13::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:15::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] main:2::print_euclid:17::print_ln:35 [ print_line_cursor#1 print_char_cursor#32 ] ) always clobbers reg byte a 
+Statement [43] (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (byte) 4 [ print_byte::b#3 print_char_cursor#51 print_byte::$0 ] ( main:2::print_euclid:7::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:9::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:11::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:13::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:15::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:17::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:7::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:9::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:11::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:13::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:15::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:17::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:7::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:9::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:11::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:13::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:15::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] main:2::print_euclid:17::print_byte:33 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#51 print_byte::$0 ] ) always clobbers reg byte a 
+Statement [46] (byte~) print_byte::$2 ← (byte) print_byte::b#3 & (byte) $f [ print_char_cursor#32 print_byte::$2 ] ( main:2::print_euclid:7::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:9::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:11::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:13::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:15::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:17::print_byte:21 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:7::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:9::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:11::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:13::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:15::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:17::print_byte:25 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:7::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:9::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:11::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:13::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:15::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] main:2::print_euclid:17::print_byte:33 [ print_line_cursor#33 print_char_cursor#32 print_byte::$2 ] ) always clobbers reg byte a 
+Statement [51] *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4 [ print_char_cursor#31 ] ( main:2::print_euclid:7::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_char:23 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_char:27 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:21::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:25::print_char:45 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:33::print_char:45 [ print_line_cursor#33 print_byte::b#3 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:21::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:25::print_char:48 [ print_euclid::a#10 print_euclid::b#10 print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:7::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:9::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:11::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:13::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:15::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] main:2::print_euclid:17::print_byte:33::print_char:48 [ print_line_cursor#33 print_char_cursor#31 ] ) always clobbers reg byte y 
+Statement [59] (byte) euclid::b#1 ← (byte) euclid::b#2 - (byte) euclid::a#2 [ euclid::a#2 euclid::b#1 ] ( main:2::print_euclid:7::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:9::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:11::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:13::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:15::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] main:2::print_euclid:17::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::a#2 euclid::b#1 ] ) always clobbers reg byte a 
+Statement [60] (byte) euclid::a#1 ← (byte) euclid::a#2 - (byte) euclid::b#2 [ euclid::b#2 euclid::a#1 ] ( main:2::print_euclid:7::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:9::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:11::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:13::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:15::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] main:2::print_euclid:17::euclid:30 [ print_line_cursor#33 print_char_cursor#32 euclid::b#2 euclid::a#1 ] ) always clobbers reg byte a 
+Statement [66] *((byte*) memset::dst#2) ← (const byte) memset::c#0 [ memset::dst#2 ] ( main:2::print_cls:5::memset:62 [ memset::dst#2 ] ) always clobbers reg byte a reg byte y 
+Statement [68] if((byte*) memset::dst#1!=(const byte*) memset::end#0) goto memset::@1 [ memset::dst#1 ] ( main:2::print_cls:5::memset:62 [ memset::dst#1 ] ) always clobbers reg byte a 
+Potential registers zp ZP_BYTE:2 [ print_euclid::a#10 ] : zp ZP_BYTE:2 , reg byte x , 
+Potential registers zp ZP_BYTE:3 [ print_euclid::b#10 ] : zp ZP_BYTE:3 , reg byte x , 
+Potential registers zp ZP_WORD:4 [ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ] : zp ZP_WORD:4 , 
+Potential registers zp ZP_BYTE:6 [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ] : zp ZP_BYTE:6 , reg byte x , 
+Potential registers zp ZP_BYTE:7 [ print_char::ch#4 print_char::ch#0 print_char::ch#1 ] : zp ZP_BYTE:7 , reg byte a , reg byte x , reg byte y , 
+Potential registers zp ZP_WORD:8 [ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ] : zp ZP_WORD:8 , 
+Potential registers zp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ] : zp ZP_BYTE:10 , reg byte x , reg byte y , 
+Potential registers zp ZP_BYTE:11 [ euclid::b#2 euclid::b#0 euclid::b#1 ] : zp ZP_BYTE:11 , reg byte x , reg byte y , 
+Potential registers zp ZP_WORD:12 [ memset::dst#2 memset::dst#1 ] : zp ZP_WORD:12 , 
+Potential registers zp ZP_BYTE:14 [ euclid::return#0 ] : zp ZP_BYTE:14 , reg byte a , reg byte x , reg byte y , 
+Potential registers zp ZP_BYTE:15 [ print_byte::$0 ] : zp ZP_BYTE:15 , reg byte a , reg byte x , reg byte y , 
+Potential registers zp ZP_BYTE:16 [ print_byte::$2 ] : zp ZP_BYTE:16 , reg byte a , reg byte x , reg byte y , 
+
+REGISTER UPLIFT SCOPES
+Uplift Scope [euclid] 43.75: zp ZP_BYTE:11 [ euclid::b#2 euclid::b#0 euclid::b#1 ] 36.83: zp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ] 4: zp ZP_BYTE:14 [ euclid::return#0 ] 
+Uplift Scope [] 35.59: zp ZP_WORD:8 [ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ] 28.24: zp ZP_WORD:4 [ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ] 
+Uplift Scope [memset] 33: zp ZP_WORD:12 [ memset::dst#2 memset::dst#1 ] 
+Uplift Scope [print_byte] 14.5: zp ZP_BYTE:6 [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ] 4: zp ZP_BYTE:15 [ print_byte::$0 ] 4: zp ZP_BYTE:16 [ print_byte::$2 ] 
+Uplift Scope [print_char] 14: zp ZP_BYTE:7 [ print_char::ch#4 print_char::ch#0 print_char::ch#1 ] 
+Uplift Scope [print_euclid] 0.44: zp ZP_BYTE:2 [ print_euclid::a#10 ] 0.4: zp ZP_BYTE:3 [ print_euclid::b#10 ] 
+Uplift Scope [RADIX] 
+Uplift Scope [print_ln] 
+Uplift Scope [print_cls] 
+Uplift Scope [main] 
+
+Uplifting [euclid] best 1923 combination reg byte x [ euclid::b#2 euclid::b#0 euclid::b#1 ] zp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ] reg byte a [ euclid::return#0 ] 
+Uplifting [] best 1923 combination zp ZP_WORD:8 [ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ] zp ZP_WORD:4 [ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ] 
+Uplifting [memset] best 1923 combination zp ZP_WORD:12 [ memset::dst#2 memset::dst#1 ] 
+Uplifting [print_byte] best 1904 combination reg byte x [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ] reg byte a [ print_byte::$0 ] reg byte x [ print_byte::$2 ] 
+Uplifting [print_char] best 1889 combination reg byte a [ print_char::ch#4 print_char::ch#0 print_char::ch#1 ] 
+Uplifting [print_euclid] best 1889 combination zp ZP_BYTE:2 [ print_euclid::a#10 ] zp ZP_BYTE:3 [ print_euclid::b#10 ] 
+Uplifting [RADIX] best 1889 combination 
+Uplifting [print_ln] best 1889 combination 
+Uplifting [print_cls] best 1889 combination 
+Uplifting [main] best 1889 combination 
+Attempting to uplift remaining variables inzp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ]
+Uplifting [euclid] best 1889 combination zp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ] 
+Attempting to uplift remaining variables inzp ZP_BYTE:2 [ print_euclid::a#10 ]
+Uplifting [print_euclid] best 1889 combination zp ZP_BYTE:2 [ print_euclid::a#10 ] 
+Attempting to uplift remaining variables inzp ZP_BYTE:3 [ print_euclid::b#10 ]
+Uplifting [print_euclid] best 1889 combination zp ZP_BYTE:3 [ print_euclid::b#10 ] 
+Coalescing zero page register with common assignment [ zp ZP_BYTE:2 [ print_euclid::a#10 ] ] with [ zp ZP_BYTE:10 [ euclid::a#2 euclid::a#0 euclid::a#1 ] ] - score: 1
+Allocated (was zp ZP_WORD:8) zp ZP_WORD:6 [ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ]
+Allocated (was zp ZP_WORD:12) zp ZP_WORD:8 [ memset::dst#2 memset::dst#1 ]
+
+ASSEMBLER BEFORE OPTIMIZATION
+  // File Comments
+/*
+ * Find least common denominator using subtraction-based Euclidian algorithm
+ * See https://en.wikipedia.org/wiki/Euclidean_algorithm
+ * Based on facebook post from
+ */
+  // Basic Upstart
+.pc = $801 "Basic"
+:BasicUpstart(bbegin)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label print_line_cursor = 4
+  .label print_char_cursor = 6
+  // @begin
+bbegin:
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+b1_from_bbegin:
+  jmp b1
+  // @1
+b1:
+  // [2] call main 
+  // [4] phi from @1 to main [phi:@1->main]
+main_from_b1:
+  jsr main
+  // [3] phi from @1 to @end [phi:@1->@end]
+bend_from_b1:
+  jmp bend
+  // @end
+bend:
+  // main
+main: {
+    // [5] call print_cls 
+    // [61] phi from main to print_cls [phi:main->print_cls]
+  print_cls_from_main:
+    jsr print_cls
+    // [6] phi from main to main::@1 [phi:main->main::@1]
+  b1_from_main:
+    jmp b1
+    // main::@1
+  b1:
+    // [7] call print_euclid 
+    // [19] phi from main::@1 to print_euclid [phi:main::@1->print_euclid]
+  print_euclid_from_b1:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) 1024 [phi:main::@1->print_euclid#0] -- pbuz1=pbuc1 
+    lda #<$400
+    sta print_line_cursor
+    lda #>$400
+    sta print_line_cursor+1
+    // [19] phi (byte) print_euclid::b#10 = (byte) 2 [phi:main::@1->print_euclid#1] -- vbuz1=vbuc1 
+    lda #2
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*) 1024 [phi:main::@1->print_euclid#2] -- pbuz1=pbuc1 
+    lda #<$400
+    sta print_char_cursor
+    lda #>$400
+    sta print_char_cursor+1
+    // [19] phi (byte) print_euclid::a#10 = (byte) $80 [phi:main::@1->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$80
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b2
+    // main::@2
+  b2:
+    // [8] (byte*~) print_char_cursor#64 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [9] call print_euclid 
+    // [19] phi from main::@2 to print_euclid [phi:main::@2->print_euclid]
+  print_euclid_from_b2:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@2->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $45 [phi:main::@2->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$45
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#64 [phi:main::@2->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $a9 [phi:main::@2->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$a9
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b3
+    // main::@3
+  b3:
+    // [10] (byte*~) print_char_cursor#65 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [11] call print_euclid 
+    // [19] phi from main::@3 to print_euclid [phi:main::@3->print_euclid]
+  print_euclid_from_b3:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@3->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $37 [phi:main::@3->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$37
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#65 [phi:main::@3->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $9b [phi:main::@3->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$9b
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b4
+    // main::@4
+  b4:
+    // [12] (byte*~) print_char_cursor#66 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [13] call print_euclid 
+    // [19] phi from main::@4 to print_euclid [phi:main::@4->print_euclid]
+  print_euclid_from_b4:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@4->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) 3 [phi:main::@4->print_euclid#1] -- vbuz1=vbuc1 
+    lda #3
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#66 [phi:main::@4->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $c7 [phi:main::@4->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$c7
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b5
+    // main::@5
+  b5:
+    // [14] (byte*~) print_char_cursor#67 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [15] call print_euclid 
+    // [19] phi from main::@5 to print_euclid [phi:main::@5->print_euclid]
+  print_euclid_from_b5:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@5->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $1a [phi:main::@5->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$1a
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#67 [phi:main::@5->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $5b [phi:main::@5->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$5b
+    sta print_euclid.a
+    jsr print_euclid
+    jmp b6
+    // main::@6
+  b6:
+    // [16] (byte*~) print_char_cursor#68 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // [17] call print_euclid 
+    // [19] phi from main::@6 to print_euclid [phi:main::@6->print_euclid]
+  print_euclid_from_b6:
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@6->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $bb [phi:main::@6->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$bb
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#68 [phi:main::@6->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $77 [phi:main::@6->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$77
+    sta print_euclid.a
+    jsr print_euclid
+    jmp breturn
+    // main::@return
+  breturn:
+    // [18] return 
+    rts
+}
+  // print_euclid
+// print_euclid(byte zeropage(2) a, byte zeropage(3) b)
+print_euclid: {
+    .label b = 3
+    .label a = 2
+    // [20] (byte) print_byte::b#0 ← (byte) print_euclid::a#10 -- vbuxx=vbuz1 
+    ldx a
+    // [21] call print_byte 
+    // [42] phi from print_euclid to print_byte [phi:print_euclid->print_byte]
+  print_byte_from_print_euclid:
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#53 [phi:print_euclid->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#0 [phi:print_euclid->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [22] phi from print_euclid to print_euclid::@1 [phi:print_euclid->print_euclid::@1]
+  b1_from_print_euclid:
+    jmp b1
+    // print_euclid::@1
+  b1:
+    // [23] call print_char 
+    // [50] phi from print_euclid::@1 to print_char [phi:print_euclid::@1->print_char]
+  print_char_from_b1:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_euclid::@1->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) ' ' [phi:print_euclid::@1->print_char#1] -- vbuaa=vbuc1 
+    lda #' '
+    jsr print_char
+    jmp b2
+    // print_euclid::@2
+  b2:
+    // [24] (byte) print_byte::b#1 ← (byte) print_euclid::b#10 -- vbuxx=vbuz1 
+    ldx b
+    // [25] call print_byte 
+    // [42] phi from print_euclid::@2 to print_byte [phi:print_euclid::@2->print_byte]
+  print_byte_from_b2:
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#32 [phi:print_euclid::@2->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#1 [phi:print_euclid::@2->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [26] phi from print_euclid::@2 to print_euclid::@3 [phi:print_euclid::@2->print_euclid::@3]
+  b3_from_b2:
+    jmp b3
+    // print_euclid::@3
+  b3:
+    // [27] call print_char 
+    // [50] phi from print_euclid::@3 to print_char [phi:print_euclid::@3->print_char]
+  print_char_from_b3:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_euclid::@3->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) ' ' [phi:print_euclid::@3->print_char#1] -- vbuaa=vbuc1 
+    lda #' '
+    jsr print_char
+    jmp b4
+    // print_euclid::@4
+  b4:
+    // [28] (byte) euclid::a#0 ← (byte) print_euclid::a#10
+    // [29] (byte) euclid::b#0 ← (byte) print_euclid::b#10 -- vbuxx=vbuz1 
+    ldx b
+    // [30] call euclid 
+    // [54] phi from print_euclid::@4 to euclid [phi:print_euclid::@4->euclid]
+  euclid_from_b4:
+    jsr euclid
+    // [31] (byte) euclid::return#0 ← (byte) euclid::a#2 -- vbuaa=vbuz1 
+    lda euclid.a
+    jmp b5
+    // print_euclid::@5
+  b5:
+    // [32] (byte) print_byte::b#2 ← (byte) euclid::return#0 -- vbuxx=vbuaa 
+    tax
+    // [33] call print_byte 
+    // [42] phi from print_euclid::@5 to print_byte [phi:print_euclid::@5->print_byte]
+  print_byte_from_b5:
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#32 [phi:print_euclid::@5->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#2 [phi:print_euclid::@5->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [34] phi from print_euclid::@5 to print_euclid::@6 [phi:print_euclid::@5->print_euclid::@6]
+  b6_from_b5:
+    jmp b6
+    // print_euclid::@6
+  b6:
+    // [35] call print_ln 
+    // [37] phi from print_euclid::@6 to print_ln [phi:print_euclid::@6->print_ln]
+  print_ln_from_b6:
+    jsr print_ln
+    jmp breturn
+    // print_euclid::@return
+  breturn:
+    // [36] return 
+    rts
+}
+  // print_ln
+// Print a newline
+print_ln: {
+    // [38] phi from print_ln print_ln::@1 to print_ln::@1 [phi:print_ln/print_ln::@1->print_ln::@1]
+  b1_from_print_ln:
+  b1_from_b1:
+    // [38] phi (byte*) print_line_cursor#16 = (byte*) print_line_cursor#33 [phi:print_ln/print_ln::@1->print_ln::@1#0] -- register_copy 
+    jmp b1
+    // print_ln::@1
+  b1:
+    // [39] (byte*) print_line_cursor#1 ← (byte*) print_line_cursor#16 + (byte) $28 -- pbuz1=pbuz1_plus_vbuc1 
+    lda #$28
+    clc
+    adc print_line_cursor
+    sta print_line_cursor
+    bcc !+
+    inc print_line_cursor+1
+  !:
+    // [40] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1 -- pbuz1_lt_pbuz2_then_la1 
+    lda print_line_cursor+1
+    cmp print_char_cursor+1
+    bcc b1_from_b1
+    bne !+
+    lda print_line_cursor
+    cmp print_char_cursor
+    bcc b1_from_b1
+  !:
+    jmp breturn
+    // print_ln::@return
+  breturn:
+    // [41] return 
+    rts
+}
+  // print_byte
+// Print a byte as HEX
+// print_byte(byte register(X) b)
+print_byte: {
+    // [43] (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (byte) 4 -- vbuaa=vbuxx_ror_4 
+    txa
+    lsr
+    lsr
+    lsr
+    lsr
+    // [44] (byte) print_char::ch#0 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$0) -- vbuaa=pbuc1_derefidx_vbuaa 
+    tay
+    lda print_hextab,y
+    // [45] call print_char 
+    // [50] phi from print_byte to print_char [phi:print_byte->print_char]
+  print_char_from_print_byte:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#51 [phi:print_byte->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) print_char::ch#0 [phi:print_byte->print_char#1] -- register_copy 
+    jsr print_char
+    jmp b1
+    // print_byte::@1
+  b1:
+    // [46] (byte~) print_byte::$2 ← (byte) print_byte::b#3 & (byte) $f -- vbuxx=vbuxx_band_vbuc1 
+    lda #$f
+    axs #0
+    // [47] (byte) print_char::ch#1 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$2) -- vbuaa=pbuc1_derefidx_vbuxx 
+    lda print_hextab,x
+    // [48] call print_char 
+    // [50] phi from print_byte::@1 to print_char [phi:print_byte::@1->print_char]
+  print_char_from_b1:
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_byte::@1->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) print_char::ch#1 [phi:print_byte::@1->print_char#1] -- register_copy 
+    jsr print_char
+    jmp breturn
+    // print_byte::@return
+  breturn:
+    // [49] return 
+    rts
+}
+  // print_char
+// Print a single char
+// print_char(byte register(A) ch)
+print_char: {
+    // [51] *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4 -- _deref_pbuz1=vbuaa 
+    ldy #0
+    sta (print_char_cursor),y
+    // [52] (byte*) print_char_cursor#32 ← ++ (byte*) print_char_cursor#31 -- pbuz1=_inc_pbuz1 
+    inc print_char_cursor
+    bne !+
+    inc print_char_cursor+1
+  !:
+    jmp breturn
+    // print_char::@return
+  breturn:
+    // [53] return 
+    rts
+}
+  // euclid
+// euclid(byte zeropage(2) a, byte register(X) b)
+euclid: {
+    .label a = 2
+    // [55] phi from euclid euclid::@3 euclid::@4 to euclid::@1 [phi:euclid/euclid::@3/euclid::@4->euclid::@1]
+  b1_from_euclid:
+  b1_from_b3:
+  b1_from_b4:
+    // [55] phi (byte) euclid::b#2 = (byte) euclid::b#0 [phi:euclid/euclid::@3/euclid::@4->euclid::@1#0] -- register_copy 
+    // [55] phi (byte) euclid::a#2 = (byte) euclid::a#0 [phi:euclid/euclid::@3/euclid::@4->euclid::@1#1] -- register_copy 
+    jmp b1
+    // euclid::@1
+  b1:
+    // [56] if((byte) euclid::a#2!=(byte) euclid::b#2) goto euclid::@2 -- vbuz1_neq_vbuxx_then_la1 
+    cpx a
+    bne b2
+    jmp breturn
+    // euclid::@return
+  breturn:
+    // [57] return 
+    rts
+    // euclid::@2
+  b2:
+    // [58] if((byte) euclid::a#2>(byte) euclid::b#2) goto euclid::@3 -- vbuz1_gt_vbuxx_then_la1 
+    cpx a
+    bcc b3
+    jmp b4
+    // euclid::@4
+  b4:
+    // [59] (byte) euclid::b#1 ← (byte) euclid::b#2 - (byte) euclid::a#2 -- vbuxx=vbuxx_minus_vbuz1 
+    txa
+    sec
+    sbc a
+    tax
+    jmp b1_from_b4
+    // euclid::@3
+  b3:
+    // [60] (byte) euclid::a#1 ← (byte) euclid::a#2 - (byte) euclid::b#2 -- vbuz1=vbuz1_minus_vbuxx 
+    txa
+    eor #$ff
+    sec
+    adc a
+    sta a
+    jmp b1_from_b3
+}
+  // print_cls
+// Clear the screen. Also resets current line/char cursor.
+print_cls: {
+    // [62] call memset 
+    // [64] phi from print_cls to memset [phi:print_cls->memset]
+  memset_from_print_cls:
+    jsr memset
+    jmp breturn
+    // print_cls::@return
+  breturn:
+    // [63] return 
+    rts
+}
+  // memset
+// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
+memset: {
+    .const c = ' '
+    .const num = $3e8
+    .label str = $400
+    .label end = str+num
+    .label dst = 8
+    // [65] phi from memset to memset::@1 [phi:memset->memset::@1]
+  b1_from_memset:
+    // [65] phi (byte*) memset::dst#2 = (byte*)(const void*) memset::str#0 [phi:memset->memset::@1#0] -- pbuz1=pbuc1 
+    lda #<str
+    sta dst
+    lda #>str
+    sta dst+1
+    jmp b1
+    // [65] phi from memset::@1 to memset::@1 [phi:memset::@1->memset::@1]
+  b1_from_b1:
+    // [65] phi (byte*) memset::dst#2 = (byte*) memset::dst#1 [phi:memset::@1->memset::@1#0] -- register_copy 
+    jmp b1
+    // memset::@1
+  b1:
+    // [66] *((byte*) memset::dst#2) ← (const byte) memset::c#0 -- _deref_pbuz1=vbuc1 
+    lda #c
+    ldy #0
+    sta (dst),y
+    // [67] (byte*) memset::dst#1 ← ++ (byte*) memset::dst#2 -- pbuz1=_inc_pbuz1 
+    inc dst
+    bne !+
+    inc dst+1
+  !:
+    // [68] if((byte*) memset::dst#1!=(const byte*) memset::end#0) goto memset::@1 -- pbuz1_neq_pbuc1_then_la1 
+    lda dst+1
+    cmp #>end
+    bne b1_from_b1
+    lda dst
+    cmp #<end
+    bne b1_from_b1
+    jmp breturn
+    // memset::@return
+  breturn:
+    // [69] return 
+    rts
+}
+  // File Data
+  print_hextab: .text "0123456789abcdef"
+
+ASSEMBLER OPTIMIZATIONS
+Removing instruction jmp b1
+Removing instruction jmp bend
+Removing instruction jmp b1
+Removing instruction jmp b2
+Removing instruction jmp b3
+Removing instruction jmp b4
+Removing instruction jmp b5
+Removing instruction jmp b6
+Removing instruction jmp breturn
+Removing instruction jmp b1
+Removing instruction jmp b2
+Removing instruction jmp b3
+Removing instruction jmp b4
+Removing instruction jmp b5
+Removing instruction jmp b6
+Removing instruction jmp breturn
+Removing instruction jmp b1
+Removing instruction jmp breturn
+Removing instruction jmp b1
+Removing instruction jmp breturn
+Removing instruction jmp breturn
+Removing instruction jmp b1
+Removing instruction jmp breturn
+Removing instruction jmp b4
+Removing instruction jmp breturn
+Removing instruction jmp b1
+Removing instruction jmp breturn
+Succesful ASM optimization Pass5NextJumpElimination
+Replacing label b1_from_b1 with b1
+Replacing label b1_from_b1 with b1
+Replacing label b1_from_b4 with b1
+Replacing label b1_from_b3 with b1
+Replacing label b1_from_b1 with b1
+Replacing label b1_from_b1 with b1
+Removing instruction b1_from_bbegin:
+Removing instruction b1:
+Removing instruction main_from_b1:
+Removing instruction bend_from_b1:
+Removing instruction b1_from_main:
+Removing instruction print_euclid_from_b1:
+Removing instruction b1_from_print_euclid:
+Removing instruction print_char_from_b1:
+Removing instruction b3_from_b2:
+Removing instruction print_char_from_b3:
+Removing instruction b6_from_b5:
+Removing instruction print_ln_from_b6:
+Removing instruction b1_from_print_ln:
+Removing instruction b1_from_b1:
+Removing instruction b1_from_euclid:
+Removing instruction b1_from_b3:
+Removing instruction b1_from_b4:
+Removing instruction b1_from_b1:
+Succesful ASM optimization Pass5RedundantLabelElimination
+Removing instruction bend:
+Removing instruction print_cls_from_main:
+Removing instruction b1:
+Removing instruction b2:
+Removing instruction print_euclid_from_b2:
+Removing instruction b3:
+Removing instruction print_euclid_from_b3:
+Removing instruction b4:
+Removing instruction print_euclid_from_b4:
+Removing instruction b5:
+Removing instruction print_euclid_from_b5:
+Removing instruction b6:
+Removing instruction print_euclid_from_b6:
+Removing instruction breturn:
+Removing instruction print_byte_from_print_euclid:
+Removing instruction b1:
+Removing instruction b2:
+Removing instruction print_byte_from_b2:
+Removing instruction b3:
+Removing instruction b4:
+Removing instruction euclid_from_b4:
+Removing instruction b5:
+Removing instruction print_byte_from_b5:
+Removing instruction b6:
+Removing instruction breturn:
+Removing instruction breturn:
+Removing instruction print_char_from_print_byte:
+Removing instruction b1:
+Removing instruction print_char_from_b1:
+Removing instruction breturn:
+Removing instruction breturn:
+Removing instruction breturn:
+Removing instruction b4:
+Removing instruction memset_from_print_cls:
+Removing instruction breturn:
+Removing instruction b1_from_memset:
+Removing instruction breturn:
+Succesful ASM optimization Pass5UnusedLabelElimination
+Updating BasicUpstart to call main directly
+Removing instruction jsr main
+Succesful ASM optimization Pass5SkipBegin
+Removing instruction jmp b1
+Succesful ASM optimization Pass5NextJumpElimination
+Removing instruction bbegin:
+Succesful ASM optimization Pass5UnusedLabelElimination
+
+FINAL SYMBOL TABLE
+(label) @1
+(label) @begin
+(label) @end
+(const byte) RADIX::BINARY BINARY = (number) 2
+(const byte) RADIX::DECIMAL DECIMAL = (number) $a
+(const byte) RADIX::HEXADECIMAL HEXADECIMAL = (number) $10
+(const byte) RADIX::OCTAL OCTAL = (number) 8
+(byte()) euclid((byte) euclid::a , (byte) euclid::b)
+(label) euclid::@1
+(label) euclid::@2
+(label) euclid::@3
+(label) euclid::@4
+(label) euclid::@return
+(byte) euclid::a
+(byte) euclid::a#0 a zp ZP_BYTE:2 1.3333333333333333
+(byte) euclid::a#1 a zp ZP_BYTE:2 22.0
+(byte) euclid::a#2 a zp ZP_BYTE:2 13.5
+(byte) euclid::b
+(byte) euclid::b#0 reg byte x 2.0
+(byte) euclid::b#1 reg byte x 22.0
+(byte) euclid::b#2 reg byte x 19.75
+(byte) euclid::return
+(byte) euclid::return#0 reg byte a 4.0
+(void()) main()
+(label) main::@1
+(label) main::@2
+(label) main::@3
+(label) main::@4
+(label) main::@5
+(label) main::@6
+(label) main::@return
+(void*()) memset((void*) memset::str , (byte) memset::c , (word) memset::num)
+(label) memset::@1
+(label) memset::@return
+(byte) memset::c
+(const byte) memset::c#0 c = (byte) ' '
+(byte*) memset::dst
+(byte*) memset::dst#1 dst zp ZP_WORD:8 16.5
+(byte*) memset::dst#2 dst zp ZP_WORD:8 16.5
+(byte*) memset::end
+(const byte*) memset::end#0 end = (byte*)(const void*) memset::str#0+(const word) memset::num#0
+(word) memset::num
+(const word) memset::num#0 num = (word) $3e8
+(void*) memset::return
+(void*) memset::str
+(const void*) memset::str#0 str = (void*)(byte*) 1024
+(void()) print_byte((byte) print_byte::b)
+(byte~) print_byte::$0 reg byte a 4.0
+(byte~) print_byte::$2 reg byte x 4.0
+(label) print_byte::@1
+(label) print_byte::@return
+(byte) print_byte::b
+(byte) print_byte::b#0 reg byte x 4.0
+(byte) print_byte::b#1 reg byte x 4.0
+(byte) print_byte::b#2 reg byte x 4.0
+(byte) print_byte::b#3 reg byte x 2.5
+(void()) print_char((byte) print_char::ch)
+(label) print_char::@return
+(byte) print_char::ch
+(byte) print_char::ch#0 reg byte a 4.0
+(byte) print_char::ch#1 reg byte a 4.0
+(byte) print_char::ch#4 reg byte a 6.0
+(byte*) print_char_cursor
+(byte*) print_char_cursor#31 print_char_cursor zp ZP_WORD:6 6.0
+(byte*) print_char_cursor#32 print_char_cursor zp ZP_WORD:6 0.9199999999999998
+(byte*) print_char_cursor#51 print_char_cursor zp ZP_WORD:6 2.6666666666666665
+(byte*) print_char_cursor#53 print_char_cursor zp ZP_WORD:6 6.0
+(byte*~) print_char_cursor#64 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#65 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#66 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#67 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#68 print_char_cursor zp ZP_WORD:6 4.0
+(void()) print_cls()
+(label) print_cls::@return
+(void()) print_euclid((byte) print_euclid::a , (byte) print_euclid::b)
+(label) print_euclid::@1
+(label) print_euclid::@2
+(label) print_euclid::@3
+(label) print_euclid::@4
+(label) print_euclid::@5
+(label) print_euclid::@6
+(label) print_euclid::@return
+(byte) print_euclid::a
+(byte) print_euclid::a#10 a zp ZP_BYTE:2 0.4444444444444444
+(byte) print_euclid::b
+(byte) print_euclid::b#10 b zp ZP_BYTE:3 0.4
+(byte[]) print_hextab
+(const byte[]) print_hextab#0 print_hextab = (string) "0123456789abcdef"
+(byte*) print_line_cursor
+(byte*) print_line_cursor#1 print_line_cursor zp ZP_WORD:4 3.533333333333333
+(byte*) print_line_cursor#16 print_line_cursor zp ZP_WORD:4 24.0
+(byte*) print_line_cursor#33 print_line_cursor zp ZP_WORD:4 0.7058823529411765
+(void()) print_ln()
+(label) print_ln::@1
+(label) print_ln::@return
+(byte*) print_screen
+
+zp ZP_BYTE:2 [ print_euclid::a#10 euclid::a#2 euclid::a#0 euclid::a#1 ]
+zp ZP_BYTE:3 [ print_euclid::b#10 ]
+zp ZP_WORD:4 [ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ]
+reg byte x [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ]
+reg byte a [ print_char::ch#4 print_char::ch#0 print_char::ch#1 ]
+zp ZP_WORD:6 [ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ]
+reg byte x [ euclid::b#2 euclid::b#0 euclid::b#1 ]
+zp ZP_WORD:8 [ memset::dst#2 memset::dst#1 ]
+reg byte a [ euclid::return#0 ]
+reg byte a [ print_byte::$0 ]
+reg byte x [ print_byte::$2 ]
+
+
+FINAL ASSEMBLER
+Score: 1577
+
+  // File Comments
+/*
+ * Find least common denominator using subtraction-based Euclidian algorithm
+ * See https://en.wikipedia.org/wiki/Euclidean_algorithm
+ * Based on facebook post from
+ */
+  // Basic Upstart
+.pc = $801 "Basic"
+:BasicUpstart(main)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label print_line_cursor = 4
+  .label print_char_cursor = 6
+  // @begin
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+  // @1
+  // [2] call main 
+  // [4] phi from @1 to main [phi:@1->main]
+  // [3] phi from @1 to @end [phi:@1->@end]
+  // @end
+  // main
+main: {
+    // print_cls()
+    // [5] call print_cls 
+    // [61] phi from main to print_cls [phi:main->print_cls]
+    jsr print_cls
+    // [6] phi from main to main::@1 [phi:main->main::@1]
+    // main::@1
+    // print_euclid(128,2)
+    // [7] call print_euclid 
+    // [19] phi from main::@1 to print_euclid [phi:main::@1->print_euclid]
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) 1024 [phi:main::@1->print_euclid#0] -- pbuz1=pbuc1 
+    lda #<$400
+    sta print_line_cursor
+    lda #>$400
+    sta print_line_cursor+1
+    // [19] phi (byte) print_euclid::b#10 = (byte) 2 [phi:main::@1->print_euclid#1] -- vbuz1=vbuc1 
+    lda #2
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*) 1024 [phi:main::@1->print_euclid#2] -- pbuz1=pbuc1 
+    lda #<$400
+    sta print_char_cursor
+    lda #>$400
+    sta print_char_cursor+1
+    // [19] phi (byte) print_euclid::a#10 = (byte) $80 [phi:main::@1->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$80
+    sta print_euclid.a
+    jsr print_euclid
+    // main::@2
+    // [8] (byte*~) print_char_cursor#64 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // print_euclid(169,69)
+    // [9] call print_euclid 
+    // [19] phi from main::@2 to print_euclid [phi:main::@2->print_euclid]
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@2->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $45 [phi:main::@2->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$45
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#64 [phi:main::@2->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $a9 [phi:main::@2->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$a9
+    sta print_euclid.a
+    jsr print_euclid
+    // main::@3
+    // [10] (byte*~) print_char_cursor#65 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // print_euclid(155,55)
+    // [11] call print_euclid 
+    // [19] phi from main::@3 to print_euclid [phi:main::@3->print_euclid]
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@3->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $37 [phi:main::@3->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$37
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#65 [phi:main::@3->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $9b [phi:main::@3->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$9b
+    sta print_euclid.a
+    jsr print_euclid
+    // main::@4
+    // [12] (byte*~) print_char_cursor#66 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // print_euclid(199,3)
+    // [13] call print_euclid 
+    // [19] phi from main::@4 to print_euclid [phi:main::@4->print_euclid]
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@4->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) 3 [phi:main::@4->print_euclid#1] -- vbuz1=vbuc1 
+    lda #3
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#66 [phi:main::@4->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $c7 [phi:main::@4->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$c7
+    sta print_euclid.a
+    jsr print_euclid
+    // main::@5
+    // [14] (byte*~) print_char_cursor#67 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // print_euclid(91,26)
+    // [15] call print_euclid 
+    // [19] phi from main::@5 to print_euclid [phi:main::@5->print_euclid]
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@5->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $1a [phi:main::@5->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$1a
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#67 [phi:main::@5->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $5b [phi:main::@5->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$5b
+    sta print_euclid.a
+    jsr print_euclid
+    // main::@6
+    // [16] (byte*~) print_char_cursor#68 ← (byte*) print_line_cursor#1 -- pbuz1=pbuz2 
+    lda print_line_cursor
+    sta print_char_cursor
+    lda print_line_cursor+1
+    sta print_char_cursor+1
+    // print_euclid(119,187)
+    // [17] call print_euclid 
+    // [19] phi from main::@6 to print_euclid [phi:main::@6->print_euclid]
+    // [19] phi (byte*) print_line_cursor#33 = (byte*) print_line_cursor#1 [phi:main::@6->print_euclid#0] -- register_copy 
+    // [19] phi (byte) print_euclid::b#10 = (byte) $bb [phi:main::@6->print_euclid#1] -- vbuz1=vbuc1 
+    lda #$bb
+    sta print_euclid.b
+    // [19] phi (byte*) print_char_cursor#53 = (byte*~) print_char_cursor#68 [phi:main::@6->print_euclid#2] -- register_copy 
+    // [19] phi (byte) print_euclid::a#10 = (byte) $77 [phi:main::@6->print_euclid#3] -- vbuz1=vbuc1 
+    lda #$77
+    sta print_euclid.a
+    jsr print_euclid
+    // main::@return
+    // }
+    // [18] return 
+    rts
+}
+  // print_euclid
+// print_euclid(byte zeropage(2) a, byte zeropage(3) b)
+print_euclid: {
+    .label b = 3
+    .label a = 2
+    // print_byte(a)
+    // [20] (byte) print_byte::b#0 ← (byte) print_euclid::a#10 -- vbuxx=vbuz1 
+    ldx a
+    // [21] call print_byte 
+    // [42] phi from print_euclid to print_byte [phi:print_euclid->print_byte]
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#53 [phi:print_euclid->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#0 [phi:print_euclid->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [22] phi from print_euclid to print_euclid::@1 [phi:print_euclid->print_euclid::@1]
+    // print_euclid::@1
+    // print_char(' ')
+    // [23] call print_char 
+    // [50] phi from print_euclid::@1 to print_char [phi:print_euclid::@1->print_char]
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_euclid::@1->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) ' ' [phi:print_euclid::@1->print_char#1] -- vbuaa=vbuc1 
+    lda #' '
+    jsr print_char
+    // print_euclid::@2
+    // print_byte(b)
+    // [24] (byte) print_byte::b#1 ← (byte) print_euclid::b#10 -- vbuxx=vbuz1 
+    ldx b
+    // [25] call print_byte 
+    // [42] phi from print_euclid::@2 to print_byte [phi:print_euclid::@2->print_byte]
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#32 [phi:print_euclid::@2->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#1 [phi:print_euclid::@2->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [26] phi from print_euclid::@2 to print_euclid::@3 [phi:print_euclid::@2->print_euclid::@3]
+    // print_euclid::@3
+    // print_char(' ')
+    // [27] call print_char 
+    // [50] phi from print_euclid::@3 to print_char [phi:print_euclid::@3->print_char]
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_euclid::@3->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) ' ' [phi:print_euclid::@3->print_char#1] -- vbuaa=vbuc1 
+    lda #' '
+    jsr print_char
+    // print_euclid::@4
+    // euclid(a,b)
+    // [28] (byte) euclid::a#0 ← (byte) print_euclid::a#10
+    // [29] (byte) euclid::b#0 ← (byte) print_euclid::b#10 -- vbuxx=vbuz1 
+    ldx b
+    // [30] call euclid 
+    // [54] phi from print_euclid::@4 to euclid [phi:print_euclid::@4->euclid]
+    jsr euclid
+    // euclid(a,b)
+    // [31] (byte) euclid::return#0 ← (byte) euclid::a#2 -- vbuaa=vbuz1 
+    lda euclid.a
+    // print_euclid::@5
+    // print_byte(euclid(a,b))
+    // [32] (byte) print_byte::b#2 ← (byte) euclid::return#0 -- vbuxx=vbuaa 
+    tax
+    // [33] call print_byte 
+    // [42] phi from print_euclid::@5 to print_byte [phi:print_euclid::@5->print_byte]
+    // [42] phi (byte*) print_char_cursor#51 = (byte*) print_char_cursor#32 [phi:print_euclid::@5->print_byte#0] -- register_copy 
+    // [42] phi (byte) print_byte::b#3 = (byte) print_byte::b#2 [phi:print_euclid::@5->print_byte#1] -- register_copy 
+    jsr print_byte
+    // [34] phi from print_euclid::@5 to print_euclid::@6 [phi:print_euclid::@5->print_euclid::@6]
+    // print_euclid::@6
+    // print_ln()
+    // [35] call print_ln 
+    // [37] phi from print_euclid::@6 to print_ln [phi:print_euclid::@6->print_ln]
+    jsr print_ln
+    // print_euclid::@return
+    // }
+    // [36] return 
+    rts
+}
+  // print_ln
+// Print a newline
+print_ln: {
+    // [38] phi from print_ln print_ln::@1 to print_ln::@1 [phi:print_ln/print_ln::@1->print_ln::@1]
+    // [38] phi (byte*) print_line_cursor#16 = (byte*) print_line_cursor#33 [phi:print_ln/print_ln::@1->print_ln::@1#0] -- register_copy 
+    // print_ln::@1
+  b1:
+    // print_line_cursor + $28
+    // [39] (byte*) print_line_cursor#1 ← (byte*) print_line_cursor#16 + (byte) $28 -- pbuz1=pbuz1_plus_vbuc1 
+    lda #$28
+    clc
+    adc print_line_cursor
+    sta print_line_cursor
+    bcc !+
+    inc print_line_cursor+1
+  !:
+    // while (print_line_cursor<print_char_cursor)
+    // [40] if((byte*) print_line_cursor#1<(byte*) print_char_cursor#32) goto print_ln::@1 -- pbuz1_lt_pbuz2_then_la1 
+    lda print_line_cursor+1
+    cmp print_char_cursor+1
+    bcc b1
+    bne !+
+    lda print_line_cursor
+    cmp print_char_cursor
+    bcc b1
+  !:
+    // print_ln::@return
+    // }
+    // [41] return 
+    rts
+}
+  // print_byte
+// Print a byte as HEX
+// print_byte(byte register(X) b)
+print_byte: {
+    // b>>4
+    // [43] (byte~) print_byte::$0 ← (byte) print_byte::b#3 >> (byte) 4 -- vbuaa=vbuxx_ror_4 
+    txa
+    lsr
+    lsr
+    lsr
+    lsr
+    // print_char(print_hextab[b>>4])
+    // [44] (byte) print_char::ch#0 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$0) -- vbuaa=pbuc1_derefidx_vbuaa 
+    tay
+    lda print_hextab,y
+    // [45] call print_char 
+    // [50] phi from print_byte to print_char [phi:print_byte->print_char]
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#51 [phi:print_byte->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) print_char::ch#0 [phi:print_byte->print_char#1] -- register_copy 
+    jsr print_char
+    // print_byte::@1
+    // b&$f
+    // [46] (byte~) print_byte::$2 ← (byte) print_byte::b#3 & (byte) $f -- vbuxx=vbuxx_band_vbuc1 
+    lda #$f
+    axs #0
+    // print_char(print_hextab[b&$f])
+    // [47] (byte) print_char::ch#1 ← *((const byte[]) print_hextab#0 + (byte~) print_byte::$2) -- vbuaa=pbuc1_derefidx_vbuxx 
+    lda print_hextab,x
+    // [48] call print_char 
+    // [50] phi from print_byte::@1 to print_char [phi:print_byte::@1->print_char]
+    // [50] phi (byte*) print_char_cursor#31 = (byte*) print_char_cursor#32 [phi:print_byte::@1->print_char#0] -- register_copy 
+    // [50] phi (byte) print_char::ch#4 = (byte) print_char::ch#1 [phi:print_byte::@1->print_char#1] -- register_copy 
+    jsr print_char
+    // print_byte::@return
+    // }
+    // [49] return 
+    rts
+}
+  // print_char
+// Print a single char
+// print_char(byte register(A) ch)
+print_char: {
+    // *(print_char_cursor++) = ch
+    // [51] *((byte*) print_char_cursor#31) ← (byte) print_char::ch#4 -- _deref_pbuz1=vbuaa 
+    ldy #0
+    sta (print_char_cursor),y
+    // *(print_char_cursor++) = ch;
+    // [52] (byte*) print_char_cursor#32 ← ++ (byte*) print_char_cursor#31 -- pbuz1=_inc_pbuz1 
+    inc print_char_cursor
+    bne !+
+    inc print_char_cursor+1
+  !:
+    // print_char::@return
+    // }
+    // [53] return 
+    rts
+}
+  // euclid
+// euclid(byte zeropage(2) a, byte register(X) b)
+euclid: {
+    .label a = 2
+    // [55] phi from euclid euclid::@3 euclid::@4 to euclid::@1 [phi:euclid/euclid::@3/euclid::@4->euclid::@1]
+    // [55] phi (byte) euclid::b#2 = (byte) euclid::b#0 [phi:euclid/euclid::@3/euclid::@4->euclid::@1#0] -- register_copy 
+    // [55] phi (byte) euclid::a#2 = (byte) euclid::a#0 [phi:euclid/euclid::@3/euclid::@4->euclid::@1#1] -- register_copy 
+    // euclid::@1
+  b1:
+    // while (a!=b)
+    // [56] if((byte) euclid::a#2!=(byte) euclid::b#2) goto euclid::@2 -- vbuz1_neq_vbuxx_then_la1 
+    cpx a
+    bne b2
+    // euclid::@return
+    // }
+    // [57] return 
+    rts
+    // euclid::@2
+  b2:
+    // if(a>b)
+    // [58] if((byte) euclid::a#2>(byte) euclid::b#2) goto euclid::@3 -- vbuz1_gt_vbuxx_then_la1 
+    cpx a
+    bcc b3
+    // euclid::@4
+    // b=b-a
+    // [59] (byte) euclid::b#1 ← (byte) euclid::b#2 - (byte) euclid::a#2 -- vbuxx=vbuxx_minus_vbuz1 
+    txa
+    sec
+    sbc a
+    tax
+    jmp b1
+    // euclid::@3
+  b3:
+    // a=a-b
+    // [60] (byte) euclid::a#1 ← (byte) euclid::a#2 - (byte) euclid::b#2 -- vbuz1=vbuz1_minus_vbuxx 
+    txa
+    eor #$ff
+    sec
+    adc a
+    sta a
+    jmp b1
+}
+  // print_cls
+// Clear the screen. Also resets current line/char cursor.
+print_cls: {
+    // memset(print_screen, ' ', 1000)
+    // [62] call memset 
+    // [64] phi from print_cls to memset [phi:print_cls->memset]
+    jsr memset
+    // print_cls::@return
+    // }
+    // [63] return 
+    rts
+}
+  // memset
+// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
+memset: {
+    .const c = ' '
+    .const num = $3e8
+    .label str = $400
+    .label end = str+num
+    .label dst = 8
+    // [65] phi from memset to memset::@1 [phi:memset->memset::@1]
+    // [65] phi (byte*) memset::dst#2 = (byte*)(const void*) memset::str#0 [phi:memset->memset::@1#0] -- pbuz1=pbuc1 
+    lda #<str
+    sta dst
+    lda #>str
+    sta dst+1
+    // [65] phi from memset::@1 to memset::@1 [phi:memset::@1->memset::@1]
+    // [65] phi (byte*) memset::dst#2 = (byte*) memset::dst#1 [phi:memset::@1->memset::@1#0] -- register_copy 
+    // memset::@1
+  b1:
+    // *dst = c
+    // [66] *((byte*) memset::dst#2) ← (const byte) memset::c#0 -- _deref_pbuz1=vbuc1 
+    lda #c
+    ldy #0
+    sta (dst),y
+    // for(char* dst = str; dst!=end; dst++)
+    // [67] (byte*) memset::dst#1 ← ++ (byte*) memset::dst#2 -- pbuz1=_inc_pbuz1 
+    inc dst
+    bne !+
+    inc dst+1
+  !:
+    // [68] if((byte*) memset::dst#1!=(const byte*) memset::end#0) goto memset::@1 -- pbuz1_neq_pbuc1_then_la1 
+    lda dst+1
+    cmp #>end
+    bne b1
+    lda dst
+    cmp #<end
+    bne b1
+    // memset::@return
+    // }
+    // [69] return 
+    rts
+}
+  // File Data
+  print_hextab: .text "0123456789abcdef"
+
diff --git a/src/test/ref/euclid-3.sym b/src/test/ref/euclid-3.sym
new file mode 100644
index 000000000..0426d7533
--- /dev/null
+++ b/src/test/ref/euclid-3.sym
@@ -0,0 +1,108 @@
+(label) @1
+(label) @begin
+(label) @end
+(const byte) RADIX::BINARY BINARY = (number) 2
+(const byte) RADIX::DECIMAL DECIMAL = (number) $a
+(const byte) RADIX::HEXADECIMAL HEXADECIMAL = (number) $10
+(const byte) RADIX::OCTAL OCTAL = (number) 8
+(byte()) euclid((byte) euclid::a , (byte) euclid::b)
+(label) euclid::@1
+(label) euclid::@2
+(label) euclid::@3
+(label) euclid::@4
+(label) euclid::@return
+(byte) euclid::a
+(byte) euclid::a#0 a zp ZP_BYTE:2 1.3333333333333333
+(byte) euclid::a#1 a zp ZP_BYTE:2 22.0
+(byte) euclid::a#2 a zp ZP_BYTE:2 13.5
+(byte) euclid::b
+(byte) euclid::b#0 reg byte x 2.0
+(byte) euclid::b#1 reg byte x 22.0
+(byte) euclid::b#2 reg byte x 19.75
+(byte) euclid::return
+(byte) euclid::return#0 reg byte a 4.0
+(void()) main()
+(label) main::@1
+(label) main::@2
+(label) main::@3
+(label) main::@4
+(label) main::@5
+(label) main::@6
+(label) main::@return
+(void*()) memset((void*) memset::str , (byte) memset::c , (word) memset::num)
+(label) memset::@1
+(label) memset::@return
+(byte) memset::c
+(const byte) memset::c#0 c = (byte) ' '
+(byte*) memset::dst
+(byte*) memset::dst#1 dst zp ZP_WORD:8 16.5
+(byte*) memset::dst#2 dst zp ZP_WORD:8 16.5
+(byte*) memset::end
+(const byte*) memset::end#0 end = (byte*)(const void*) memset::str#0+(const word) memset::num#0
+(word) memset::num
+(const word) memset::num#0 num = (word) $3e8
+(void*) memset::return
+(void*) memset::str
+(const void*) memset::str#0 str = (void*)(byte*) 1024
+(void()) print_byte((byte) print_byte::b)
+(byte~) print_byte::$0 reg byte a 4.0
+(byte~) print_byte::$2 reg byte x 4.0
+(label) print_byte::@1
+(label) print_byte::@return
+(byte) print_byte::b
+(byte) print_byte::b#0 reg byte x 4.0
+(byte) print_byte::b#1 reg byte x 4.0
+(byte) print_byte::b#2 reg byte x 4.0
+(byte) print_byte::b#3 reg byte x 2.5
+(void()) print_char((byte) print_char::ch)
+(label) print_char::@return
+(byte) print_char::ch
+(byte) print_char::ch#0 reg byte a 4.0
+(byte) print_char::ch#1 reg byte a 4.0
+(byte) print_char::ch#4 reg byte a 6.0
+(byte*) print_char_cursor
+(byte*) print_char_cursor#31 print_char_cursor zp ZP_WORD:6 6.0
+(byte*) print_char_cursor#32 print_char_cursor zp ZP_WORD:6 0.9199999999999998
+(byte*) print_char_cursor#51 print_char_cursor zp ZP_WORD:6 2.6666666666666665
+(byte*) print_char_cursor#53 print_char_cursor zp ZP_WORD:6 6.0
+(byte*~) print_char_cursor#64 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#65 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#66 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#67 print_char_cursor zp ZP_WORD:6 4.0
+(byte*~) print_char_cursor#68 print_char_cursor zp ZP_WORD:6 4.0
+(void()) print_cls()
+(label) print_cls::@return
+(void()) print_euclid((byte) print_euclid::a , (byte) print_euclid::b)
+(label) print_euclid::@1
+(label) print_euclid::@2
+(label) print_euclid::@3
+(label) print_euclid::@4
+(label) print_euclid::@5
+(label) print_euclid::@6
+(label) print_euclid::@return
+(byte) print_euclid::a
+(byte) print_euclid::a#10 a zp ZP_BYTE:2 0.4444444444444444
+(byte) print_euclid::b
+(byte) print_euclid::b#10 b zp ZP_BYTE:3 0.4
+(byte[]) print_hextab
+(const byte[]) print_hextab#0 print_hextab = (string) "0123456789abcdef"
+(byte*) print_line_cursor
+(byte*) print_line_cursor#1 print_line_cursor zp ZP_WORD:4 3.533333333333333
+(byte*) print_line_cursor#16 print_line_cursor zp ZP_WORD:4 24.0
+(byte*) print_line_cursor#33 print_line_cursor zp ZP_WORD:4 0.7058823529411765
+(void()) print_ln()
+(label) print_ln::@1
+(label) print_ln::@return
+(byte*) print_screen
+
+zp ZP_BYTE:2 [ print_euclid::a#10 euclid::a#2 euclid::a#0 euclid::a#1 ]
+zp ZP_BYTE:3 [ print_euclid::b#10 ]
+zp ZP_WORD:4 [ print_line_cursor#16 print_line_cursor#33 print_line_cursor#1 ]
+reg byte x [ print_byte::b#3 print_byte::b#0 print_byte::b#1 print_byte::b#2 ]
+reg byte a [ print_char::ch#4 print_char::ch#0 print_char::ch#1 ]
+zp ZP_WORD:6 [ print_char_cursor#31 print_char_cursor#51 print_char_cursor#53 print_char_cursor#64 print_char_cursor#65 print_char_cursor#66 print_char_cursor#67 print_char_cursor#68 print_char_cursor#32 ]
+reg byte x [ euclid::b#2 euclid::b#0 euclid::b#1 ]
+zp ZP_WORD:8 [ memset::dst#2 memset::dst#1 ]
+reg byte a [ euclid::return#0 ]
+reg byte a [ print_byte::$0 ]
+reg byte x [ print_byte::$2 ]
diff --git a/src/test/ref/examples/3d/3d.log b/src/test/ref/examples/3d/3d.log
index 1ebe023c1..ae6df0b7c 100644
--- a/src/test/ref/examples/3d/3d.log
+++ b/src/test/ref/examples/3d/3d.log
@@ -159,12 +159,13 @@ Culled Empty Block (label) @28
 Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
-Culled Empty Block (label) @33
+Culled Empty Block (label) @32
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
+Culled Empty Block (label) @39
 Culled Empty Block (label) anim::@2
 Culled Empty Block (label) anim::@25
 Culled Empty Block (label) anim::@3
@@ -184,9 +185,9 @@ Culled Empty Block (label) anim::@19
 Culled Empty Block (label) anim::@20
 Culled Empty Block (label) anim::@21
 Culled Empty Block (label) anim::@24
-Culled Empty Block (label) @41
-Culled Empty Block (label) debug_print_init::@4
 Culled Empty Block (label) @42
+Culled Empty Block (label) debug_print_init::@4
+Culled Empty Block (label) @43
 Culled Empty Block (label) debug_print::print_sbyte_pos1_@return
 Culled Empty Block (label) debug_print::print_sbyte_pos2_@return
 Culled Empty Block (label) debug_print::print_sbyte_pos3_@return
@@ -200,12 +201,12 @@ Culled Empty Block (label) debug_print::print_sbyte_pos10_@return
 Culled Empty Block (label) debug_print::print_sbyte_pos11_@return
 Culled Empty Block (label) debug_print::print_sbyte_pos12_@return
 Culled Empty Block (label) debug_print::@2
-Culled Empty Block (label) @43
+Culled Empty Block (label) @44
 Culled Empty Block (label) sprites_init::@2
-Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
 Culled Empty Block (label) @48
+Culled Empty Block (label) @49
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -257,7 +258,7 @@ memset::@return: scope:[memset]  from memset::@1
   to:@return
 @16: scope:[]  from @begin
   (byte*) print_screen#0 ← ((byte*)) (number) $400
-  to:@32
+  to:@33
 print_str_at: scope:[print_str_at]  from debug_print_init::@10 debug_print_init::@11 debug_print_init::@12 debug_print_init::@13 debug_print_init::@14 debug_print_init::@15 debug_print_init::@16 debug_print_init::@5 debug_print_init::@6 debug_print_init::@7 debug_print_init::@8 debug_print_init::@9
   (byte*) print_str_at::at#15 ← phi( debug_print_init::@10/(byte*) print_str_at::at#6 debug_print_init::@11/(byte*) print_str_at::at#7 debug_print_init::@12/(byte*) print_str_at::at#8 debug_print_init::@13/(byte*) print_str_at::at#9 debug_print_init::@14/(byte*) print_str_at::at#10 debug_print_init::@15/(byte*) print_str_at::at#11 debug_print_init::@16/(byte*) print_str_at::at#12 debug_print_init::@5/(byte*) print_str_at::at#1 debug_print_init::@6/(byte*) print_str_at::at#2 debug_print_init::@7/(byte*) print_str_at::at#3 debug_print_init::@8/(byte*) print_str_at::at#4 debug_print_init::@9/(byte*) print_str_at::at#5 )
   (byte*) print_str_at::str#15 ← phi( debug_print_init::@10/(byte*) print_str_at::str#6 debug_print_init::@11/(byte*) print_str_at::str#7 debug_print_init::@12/(byte*) print_str_at::str#8 debug_print_init::@13/(byte*) print_str_at::str#9 debug_print_init::@14/(byte*) print_str_at::str#10 debug_print_init::@15/(byte*) print_str_at::str#11 debug_print_init::@16/(byte*) print_str_at::str#12 debug_print_init::@5/(byte*) print_str_at::str#1 debug_print_init::@6/(byte*) print_str_at::str#2 debug_print_init::@7/(byte*) print_str_at::str#3 debug_print_init::@8/(byte*) print_str_at::str#4 debug_print_init::@9/(byte*) print_str_at::str#5 )
@@ -322,10 +323,10 @@ print_sbyte_at::@7: scope:[print_sbyte_at]  from print_sbyte_at::@2
 print_sbyte_at::@return: scope:[print_sbyte_at]  from print_sbyte_at::@7
   return 
   to:@return
-@32: scope:[]  from @16
+@33: scope:[]  from @16
   (byte*) print_screen#50 ← phi( @16/(byte*) print_screen#0 )
   (byte[]) print_hextab#0 ← (const string) $6
-  to:@39
+  to:@40
 print_byte_at: scope:[print_byte_at]  from print_sbyte_at::@2
   (byte*) print_byte_at::at#1 ← phi( print_sbyte_at::@2/(byte*) print_byte_at::at#0 )
   (byte) print_byte_at::b#1 ← phi( print_sbyte_at::@2/(byte) print_byte_at::b#0 )
@@ -369,8 +370,8 @@ print_cls::@1: scope:[print_cls]  from print_cls
 print_cls::@return: scope:[print_cls]  from print_cls::@1
   return 
   to:@return
-@39: scope:[]  from @32
-  (byte*) print_screen#48 ← phi( @32/(byte*) print_screen#50 )
+@40: scope:[]  from @33
+  (byte*) print_screen#48 ← phi( @33/(byte*) print_screen#50 )
   (signed byte*) xr#0 ← ((signed byte*)) (number) $f0
   (signed byte*) yr#0 ← ((signed byte*)) (number) $f1
   (signed byte*) zr#0 ← ((signed byte*)) (number) $f2
@@ -380,13 +381,13 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (word*) psp1#0 ← ((word*)) (number) $f6
   (word*) psp2#0 ← ((word*)) (number) $f8
   (byte*) SCREEN#0 ← ((byte*)) (number) $400
-  to:@40
-main: scope:[main]  from @49
-  (signed byte*) COSQ#13 ← phi( @49/(signed byte*) COSQ#0 )
-  (signed byte*) COSH#13 ← phi( @49/(signed byte*) COSH#0 )
-  (byte*) print_screen#40 ← phi( @49/(byte*) print_screen#42 )
-  (signed byte) sy#25 ← phi( @49/(signed byte) sy#18 )
-  (signed byte) sx#23 ← phi( @49/(signed byte) sx#17 )
+  to:@41
+main: scope:[main]  from @50
+  (signed byte*) COSQ#13 ← phi( @50/(signed byte*) COSQ#0 )
+  (signed byte*) COSH#13 ← phi( @50/(signed byte*) COSH#0 )
+  (byte*) print_screen#40 ← phi( @50/(byte*) print_screen#42 )
+  (signed byte) sy#25 ← phi( @50/(signed byte) sy#18 )
+  (signed byte) sx#23 ← phi( @50/(signed byte) sx#17 )
   asm { sei  }
   call sprites_init 
   to:main::@1
@@ -423,8 +424,8 @@ main::@return: scope:[main]  from main::@3
   (signed byte) sy#1 ← (signed byte) sy#7
   return 
   to:@return
-@40: scope:[]  from @39
-  (byte*) print_screen#47 ← phi( @39/(byte*) print_screen#48 )
+@41: scope:[]  from @40
+  (byte*) print_screen#47 ← phi( @40/(byte*) print_screen#48 )
   (signed byte[8]) xs#0 ← { (number) -$34, (number) -$34, (number) -$34, (number) 0, (number) 0, (number) $34, (number) $34, (number) $34 }
   (signed byte[8]) ys#0 ← { (number) -$34, (number) 0, (number) $34, (number) -$34, (number) $34, (number) -$34, (number) 0, (number) $34 }
   (signed byte[8]) zs#0 ← { (number) $34, (number) $34, (number) $34, (number) $34, (number) $34, (number) $34, (number) $34, (number) $34 }
@@ -437,7 +438,7 @@ main::@return: scope:[main]  from main::@3
   (signed byte) sx#2 ← (number) 0
   (signed byte) sy#2 ← (number) 0
   (signed byte) sz#0 ← (number) 0
-  to:@44
+  to:@45
 anim: scope:[anim]  from main::@2
   (byte*) print_screen#55 ← phi( main::@2/(byte*) print_screen#57 )
   (signed byte*) COSQ#7 ← phi( main::@2/(signed byte*) COSQ#9 )
@@ -1116,12 +1117,12 @@ sprites_init::@1: scope:[sprites_init]  from sprites_init sprites_init::@1
 sprites_init::@return: scope:[sprites_init]  from sprites_init::@1
   return 
   to:@return
-@44: scope:[]  from @40
-  (byte*) print_screen#45 ← phi( @40/(byte*) print_screen#47 )
-  (signed byte) sy#24 ← phi( @40/(signed byte) sy#2 )
-  (signed byte) sx#22 ← phi( @40/(signed byte) sx#2 )
+@45: scope:[]  from @41
+  (byte*) print_screen#45 ← phi( @41/(byte*) print_screen#47 )
+  (signed byte) sy#24 ← phi( @41/(signed byte) sy#2 )
+  (signed byte) sx#22 ← phi( @41/(signed byte) sx#2 )
   (signed byte[9]) rotation_matrix#0 ← { fill( 9, 0) }
-  to:@49
+  to:@50
 calculate_matrix: scope:[calculate_matrix]  from anim::@18
   (signed byte*) COSQ#1 ← phi( anim::@18/(signed byte*) COSQ#2 )
   (signed byte*) COSH#1 ← phi( anim::@18/(signed byte*) COSH#2 )
@@ -1204,10 +1205,10 @@ rotate_matrix: scope:[rotate_matrix]  from anim::@22
 rotate_matrix::@return: scope:[rotate_matrix]  from rotate_matrix
   return 
   to:@return
-@49: scope:[]  from @44
-  (byte*) print_screen#42 ← phi( @44/(byte*) print_screen#45 )
-  (signed byte) sy#18 ← phi( @44/(signed byte) sy#24 )
-  (signed byte) sx#17 ← phi( @44/(signed byte) sx#22 )
+@50: scope:[]  from @45
+  (byte*) print_screen#42 ← phi( @45/(byte*) print_screen#45 )
+  (signed byte) sy#18 ← phi( @45/(signed byte) sy#24 )
+  (signed byte) sx#17 ← phi( @45/(signed byte) sx#22 )
   (byte[$200]) mulf_sqr1#0 ← kickasm {{ .for(var i=0;i<$200;i++) {
     	.if(i<=159) { .byte round((i*i)/256) }
     	.if(i>159 && i<=351 ) { .byte round(((i-256)*(i-256))/256) }
@@ -1264,26 +1265,26 @@ rotate_matrix::@return: scope:[rotate_matrix]  from rotate_matrix
   (signed byte*~) $1 ← (signed byte[$140]) SINQ#0 + (number) $40
   (signed byte*) COSQ#0 ← (signed byte*~) $1
   call main 
-  to:@50
-@50: scope:[]  from @49
-  (signed byte) sy#12 ← phi( @49/(signed byte) sy#1 )
-  (signed byte) sx#12 ← phi( @49/(signed byte) sx#1 )
+  to:@51
+@51: scope:[]  from @50
+  (signed byte) sy#12 ← phi( @50/(signed byte) sy#1 )
+  (signed byte) sx#12 ← phi( @50/(signed byte) sx#1 )
   (signed byte) sx#5 ← (signed byte) sx#12
   (signed byte) sy#5 ← (signed byte) sy#12
   to:@end
-@end: scope:[]  from @50
+@end: scope:[]  from @51
 
 SYMBOL TABLE SSA
 (signed byte*~) $0
 (signed byte*~) $1
 (const string) $6 = (string) "0123456789abcdef"
 (label) @16
-(label) @32
-(label) @39
+(label) @33
 (label) @40
-(label) @44
-(label) @49
+(label) @41
+(label) @45
 (label) @50
+(label) @51
 (label) @begin
 (label) @end
 (byte*) BORDERCOL
@@ -3463,11 +3464,11 @@ Added new block during phi lifting debug_print::@33(between debug_print::@32 and
 Added new block during phi lifting sprites_init::@3(between sprites_init::@1 and sprites_init::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @16
-Adding NOP phi() at start of @32
-Adding NOP phi() at start of @39
+Adding NOP phi() at start of @33
 Adding NOP phi() at start of @40
-Adding NOP phi() at start of @44
-Adding NOP phi() at start of @50
+Adding NOP phi() at start of @41
+Adding NOP phi() at start of @45
+Adding NOP phi() at start of @51
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@2
 Adding NOP phi() at start of main::@3
@@ -3575,11 +3576,11 @@ Coalesced [337] memset::dst#3 ← memset::dst#1
 Coalesced [345] sprites_init::i#3 ← sprites_init::i#1
 Coalesced down to 16 phi equivalence classes
 Culled Empty Block (label) @16
-Culled Empty Block (label) @32
-Culled Empty Block (label) @39
+Culled Empty Block (label) @33
 Culled Empty Block (label) @40
-Culled Empty Block (label) @44
-Culled Empty Block (label) @50
+Culled Empty Block (label) @41
+Culled Empty Block (label) @45
+Culled Empty Block (label) @51
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) anim::@28
 Culled Empty Block (label) anim::@31
@@ -3610,7 +3611,7 @@ Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
 Culled Empty Block (label) sprites_init::@3
-Renumbering block @49 to @1
+Renumbering block @50 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sbyte_at::@5 to print_sbyte_at::@4
 Renumbering block anim::@4 to anim::@2
diff --git a/src/test/ref/examples/3d/perspective.log b/src/test/ref/examples/3d/perspective.log
index cfe5f00da..498ebc075 100644
--- a/src/test/ref/examples/3d/perspective.log
+++ b/src/test/ref/examples/3d/perspective.log
@@ -51,14 +51,15 @@ Culled Empty Block (label) @28
 Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
-Culled Empty Block (label) @33
+Culled Empty Block (label) @32
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
-Culled Empty Block (label) @40
+Culled Empty Block (label) @39
 Culled Empty Block (label) @41
+Culled Empty Block (label) @42
 Culled Empty Block (label) mulf_init::@2
 
 CONTROL FLOW GRAPH SSA
@@ -104,7 +105,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@32
+  to:@33
 print_str: scope:[print_str]  from do_perspective do_perspective::@11 do_perspective::@2 do_perspective::@4 do_perspective::@6 do_perspective::@9
   (byte*) print_char_cursor#74 ← phi( do_perspective/(byte*) print_char_cursor#71 do_perspective::@11/(byte*) print_char_cursor#28 do_perspective::@2/(byte*) print_char_cursor#20 do_perspective::@4/(byte*) print_char_cursor#22 do_perspective::@6/(byte*) print_char_cursor#24 do_perspective::@9/(byte*) print_char_cursor#26 )
   (byte*) print_str::str#9 ← phi( do_perspective/(byte*) print_str::str#1 do_perspective::@11/(byte*) print_str::str#6 do_perspective::@2/(byte*) print_str::str#2 do_perspective::@4/(byte*) print_str::str#3 do_perspective::@6/(byte*) print_str::str#4 do_perspective::@9/(byte*) print_str::str#5 )
@@ -196,12 +197,12 @@ print_sbyte::@return: scope:[print_sbyte]  from print_sbyte::@7
   (byte*) print_char_cursor#8 ← (byte*) print_char_cursor#40
   return 
   to:@return
-@32: scope:[]  from @16
+@33: scope:[]  from @16
   (byte*) print_screen#8 ← phi( @16/(byte*) print_screen#0 )
   (byte*) print_char_cursor#79 ← phi( @16/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#30 ← phi( @16/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@39
+  to:@40
 print_byte: scope:[print_byte]  from do_perspective::@10 do_perspective::@8 print_sbyte::@2
   (byte*) print_char_cursor#69 ← phi( do_perspective::@10/(byte*) print_char_cursor#27 do_perspective::@8/(byte*) print_char_cursor#72 print_sbyte::@2/(byte*) print_char_cursor#68 )
   (byte) print_byte::b#3 ← phi( do_perspective::@10/(byte) print_byte::b#2 do_perspective::@8/(byte) print_byte::b#1 print_sbyte::@2/(byte) print_byte::b#0 )
@@ -257,20 +258,20 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#15 ← (byte*) print_char_cursor#46
   return 
   to:@return
-@39: scope:[]  from @32
-  (byte*) print_screen#7 ← phi( @32/(byte*) print_screen#8 )
-  (byte*) print_char_cursor#78 ← phi( @32/(byte*) print_char_cursor#79 )
-  (byte*) print_line_cursor#29 ← phi( @32/(byte*) print_line_cursor#30 )
+@40: scope:[]  from @33
+  (byte*) print_screen#7 ← phi( @33/(byte*) print_screen#8 )
+  (byte*) print_char_cursor#78 ← phi( @33/(byte*) print_char_cursor#79 )
+  (byte*) print_line_cursor#29 ← phi( @33/(byte*) print_line_cursor#30 )
   (signed byte*) xr#0 ← ((signed byte*)) (number) $f0
   (signed byte*) yr#0 ← ((signed byte*)) (number) $f1
   (signed byte*) zr#0 ← ((signed byte*)) (number) $f2
   (word*) psp1#0 ← ((word*)) (number) $f3
   (word*) psp2#0 ← ((word*)) (number) $f5
-  to:@42
-main: scope:[main]  from @43
-  (byte*) print_char_cursor#76 ← phi( @43/(byte*) print_char_cursor#73 )
-  (byte*) print_line_cursor#25 ← phi( @43/(byte*) print_line_cursor#24 )
-  (byte*) print_screen#4 ← phi( @43/(byte*) print_screen#5 )
+  to:@43
+main: scope:[main]  from @44
+  (byte*) print_char_cursor#76 ← phi( @44/(byte*) print_char_cursor#73 )
+  (byte*) print_line_cursor#25 ← phi( @44/(byte*) print_line_cursor#24 )
+  (byte*) print_screen#4 ← phi( @44/(byte*) print_screen#5 )
   asm { sei  }
   call mulf_init 
   to:main::@1
@@ -448,13 +449,13 @@ perspective: scope:[perspective]  from do_perspective::@7
 perspective::@return: scope:[perspective]  from perspective
   return 
   to:@return
-@42: scope:[]  from @39
-  (byte*) print_screen#6 ← phi( @39/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#77 ← phi( @39/(byte*) print_char_cursor#78 )
-  (byte*) print_line_cursor#27 ← phi( @39/(byte*) print_line_cursor#29 )
+@43: scope:[]  from @40
+  (byte*) print_screen#6 ← phi( @40/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#77 ← phi( @40/(byte*) print_char_cursor#78 )
+  (byte*) print_line_cursor#27 ← phi( @40/(byte*) print_line_cursor#29 )
   (byte[$200]) mulf_sqr1#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2#0 ← { fill( $200, 0) }
-  to:@43
+  to:@44
 mulf_init: scope:[mulf_init]  from main
   (signed word) mulf_init::sqr#0 ← (number) 0
   (signed word) mulf_init::add#0 ← (number) 1
@@ -493,10 +494,10 @@ mulf_init::@1: scope:[mulf_init]  from mulf_init mulf_init::@1
 mulf_init::@return: scope:[mulf_init]  from mulf_init::@1
   return 
   to:@return
-@43: scope:[]  from @42
-  (byte*) print_screen#5 ← phi( @42/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#73 ← phi( @42/(byte*) print_char_cursor#77 )
-  (byte*) print_line_cursor#24 ← phi( @42/(byte*) print_line_cursor#27 )
+@44: scope:[]  from @43
+  (byte*) print_screen#5 ← phi( @43/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#73 ← phi( @43/(byte*) print_char_cursor#77 )
+  (byte*) print_line_cursor#24 ← phi( @43/(byte*) print_line_cursor#27 )
   (signed byte[$100]) PERSP_Z#0 ← kickasm {{ {
     .var d = 256.0	
     .var z0 = 5.0	
@@ -510,23 +511,23 @@ mulf_init::@return: scope:[mulf_init]  from mulf_init::@1
 	}
  }}
   call main 
-  to:@44
-@44: scope:[]  from @43
-  (byte*) print_char_cursor#63 ← phi( @43/(byte*) print_char_cursor#18 )
-  (byte*) print_line_cursor#20 ← phi( @43/(byte*) print_line_cursor#7 )
+  to:@45
+@45: scope:[]  from @44
+  (byte*) print_char_cursor#63 ← phi( @44/(byte*) print_char_cursor#18 )
+  (byte*) print_line_cursor#20 ← phi( @44/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#10 ← (byte*) print_line_cursor#20
   (byte*) print_char_cursor#32 ← (byte*) print_char_cursor#63
   to:@end
-@end: scope:[]  from @44
+@end: scope:[]  from @45
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @16
-(label) @32
-(label) @39
-(label) @42
+(label) @33
+(label) @40
 (label) @43
 (label) @44
+(label) @45
 (label) @begin
 (label) @end
 (signed byte[$100]) PERSP_Z
@@ -1249,11 +1250,11 @@ Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_l
 Added new block during phi lifting mulf_init::@3(between mulf_init::@1 and mulf_init::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @16
-Adding NOP phi() at start of @32
-Adding NOP phi() at start of @39
-Adding NOP phi() at start of @42
+Adding NOP phi() at start of @33
+Adding NOP phi() at start of @40
 Adding NOP phi() at start of @43
 Adding NOP phi() at start of @44
+Adding NOP phi() at start of @45
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@2
 Adding NOP phi() at start of main::@3
@@ -1311,10 +1312,10 @@ Coalesced [137] mulf_init::i#3 ← mulf_init::i#1
 Coalesced [138] mulf_init::add#3 ← mulf_init::add#1
 Coalesced down to 10 phi equivalence classes
 Culled Empty Block (label) @16
-Culled Empty Block (label) @32
-Culled Empty Block (label) @39
-Culled Empty Block (label) @42
-Culled Empty Block (label) @44
+Culled Empty Block (label) @33
+Culled Empty Block (label) @40
+Culled Empty Block (label) @43
+Culled Empty Block (label) @45
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) do_perspective::@13
 Culled Empty Block (label) print_ln::@2
@@ -1327,7 +1328,7 @@ Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
 Culled Empty Block (label) mulf_init::@3
-Renumbering block @43 to @1
+Renumbering block @44 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sbyte::@5 to print_sbyte::@4
 Adding NOP phi() at start of @begin
diff --git a/src/test/ref/examples/fastmultiply/fastmultiply8.log b/src/test/ref/examples/fastmultiply/fastmultiply8.log
index f24eac4d7..01ffb2ab2 100644
--- a/src/test/ref/examples/fastmultiply/fastmultiply8.log
+++ b/src/test/ref/examples/fastmultiply/fastmultiply8.log
@@ -40,14 +40,15 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 Culled Empty Block (label) main::@6
-Culled Empty Block (label) @36
+Culled Empty Block (label) @37
 Culled Empty Block (label) init_screen::@4
 Culled Empty Block (label) fmul8::@1
 
@@ -92,7 +93,7 @@ memset::@return: scope:[memset]  from memset::@1
   to:@return
 @12: scope:[]  from @begin
   (byte*) print_screen#0 ← ((byte*)) (number) $400
-  to:@28
+  to:@29
 print_sbyte_at: scope:[print_sbyte_at]  from main::@1 main::@10 main::@3
   (byte*) print_sbyte_at::at#6 ← phi( main::@1/(byte*) print_sbyte_at::at#0 main::@10/(byte*) print_sbyte_at::at#2 main::@3/(byte*) print_sbyte_at::at#1 )
   (signed byte) print_sbyte_at::b#4 ← phi( main::@1/(signed byte) print_sbyte_at::b#1 main::@10/(signed byte) print_sbyte_at::b#3 main::@3/(signed byte) print_sbyte_at::b#2 )
@@ -137,10 +138,10 @@ print_sbyte_at::@7: scope:[print_sbyte_at]  from print_sbyte_at::@2
 print_sbyte_at::@return: scope:[print_sbyte_at]  from print_sbyte_at::@7
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#7 ← phi( @12/(byte*) print_screen#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@35
+  to:@36
 print_byte_at: scope:[print_byte_at]  from print_sbyte_at::@2
   (byte*) print_byte_at::at#1 ← phi( print_sbyte_at::@2/(byte*) print_byte_at::at#0 )
   (byte) print_byte_at::b#1 ← phi( print_sbyte_at::@2/(byte) print_byte_at::b#0 )
@@ -184,12 +185,12 @@ print_cls::@1: scope:[print_cls]  from print_cls
 print_cls::@return: scope:[print_cls]  from print_cls::@1
   return 
   to:@return
-@35: scope:[]  from @28
-  (byte*) print_screen#6 ← phi( @28/(byte*) print_screen#7 )
+@36: scope:[]  from @29
+  (byte*) print_screen#6 ← phi( @29/(byte*) print_screen#7 )
   (signed byte[]) vals#0 ← { (number) -$5f, (number) -$40, (number) -$20, (number) -$10, (number) 0, (number) $10, (number) $20, (number) $40, (number) $5f }
-  to:@37
-main: scope:[main]  from @38
-  (byte*) print_screen#3 ← phi( @38/(byte*) print_screen#4 )
+  to:@38
+main: scope:[main]  from @39
+  (byte*) print_screen#3 ← phi( @39/(byte*) print_screen#4 )
   call init_screen 
   to:main::@7
 main::@7: scope:[main]  from main
@@ -312,12 +313,12 @@ init_screen::@3: scope:[init_screen]  from init_screen::@2 init_screen::@3
 init_screen::@return: scope:[init_screen]  from init_screen::@3
   return 
   to:@return
-@37: scope:[]  from @35
-  (byte*) print_screen#5 ← phi( @35/(byte*) print_screen#6 )
+@38: scope:[]  from @36
+  (byte*) print_screen#5 ← phi( @36/(byte*) print_screen#6 )
   (signed byte*) ap#0 ← ((signed byte*)) (number) $fd
   (signed byte*) bp#0 ← ((signed byte*)) (number) $fe
   (signed byte*) cp#0 ← ((signed byte*)) (number) $ff
-  to:@38
+  to:@39
 fmul8: scope:[fmul8]  from main::@4
   (signed byte) fmul8::b#1 ← phi( main::@4/(signed byte) fmul8::b#0 )
   (signed byte) fmul8::a#1 ← phi( main::@4/(signed byte) fmul8::a#0 )
@@ -331,8 +332,8 @@ fmul8::@return: scope:[fmul8]  from fmul8
   (signed byte) fmul8::return#2 ← (signed byte) fmul8::return#4
   return 
   to:@return
-@38: scope:[]  from @37
-  (byte*) print_screen#4 ← phi( @37/(byte*) print_screen#5 )
+@39: scope:[]  from @38
+  (byte*) print_screen#4 ← phi( @38/(byte*) print_screen#5 )
   (byte[$200]) mulf_sqr1#0 ← kickasm {{ .for(var i=0;i<$200;i++) {
     	.if(i<=159) { .byte round((i*i)/256) }
     	.if(i>159 && i<=351 ) { .byte round(((i-256)*(i-256))/256) }
@@ -346,19 +347,19 @@ fmul8::@return: scope:[fmul8]  from fmul8
     }
  }}
   call main 
-  to:@39
-@39: scope:[]  from @38
+  to:@40
+@40: scope:[]  from @39
   to:@end
-@end: scope:[]  from @39
+@end: scope:[]  from @40
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @35
-(label) @37
+(label) @29
+(label) @36
 (label) @38
 (label) @39
+(label) @40
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -855,11 +856,11 @@ Added new block during phi lifting init_screen::@6(between init_screen::@1 and i
 Added new block during phi lifting init_screen::@7(between init_screen::@3 and init_screen::@3)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @37
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @36
 Adding NOP phi() at start of @38
 Adding NOP phi() at start of @39
+Adding NOP phi() at start of @40
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@7
@@ -910,10 +911,10 @@ Coalesced [111] init_screen::l#3 ← init_screen::l#1
 Coalesced [124] memset::dst#3 ← memset::dst#1
 Coalesced down to 14 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @35
-Culled Empty Block (label) @37
-Culled Empty Block (label) @39
+Culled Empty Block (label) @29
+Culled Empty Block (label) @36
+Culled Empty Block (label) @38
+Culled Empty Block (label) @40
 Culled Empty Block (label) main::@7
 Culled Empty Block (label) main::@2
 Culled Empty Block (label) main::@13
@@ -930,7 +931,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @38 to @1
+Renumbering block @39 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sbyte_at::@5 to print_sbyte_at::@4
 Renumbering block main::@3 to main::@2
diff --git a/src/test/ref/examples/helloworld/helloworld.log b/src/test/ref/examples/helloworld/helloworld.log
index b1a006403..11a939604 100644
--- a/src/test/ref/examples/helloworld/helloworld.log
+++ b/src/test/ref/examples/helloworld/helloworld.log
@@ -43,6 +43,7 @@ Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
+Culled Empty Block (label) @36
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -51,7 +52,7 @@ CONTROL FLOW GRAPH SSA
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@36
+  to:@37
 print_str: scope:[print_str]  from main
   (byte*) print_char_cursor#21 ← phi( main/(byte*) print_char_cursor#19 )
   (byte*) print_str::str#4 ← phi( main/(byte*) print_str::str#1 )
@@ -97,9 +98,9 @@ print_ln::@return: scope:[print_ln]  from print_ln::@2
   (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#12
   return 
   to:@return
-main: scope:[main]  from @36
-  (byte*) print_line_cursor#15 ← phi( @36/(byte*) print_line_cursor#14 )
-  (byte*) print_char_cursor#19 ← phi( @36/(byte*) print_char_cursor#20 )
+main: scope:[main]  from @37
+  (byte*) print_line_cursor#15 ← phi( @37/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#19 ← phi( @37/(byte*) print_char_cursor#20 )
   (byte*) print_str::str#1 ← (const string) main::str
   call print_str 
   to:main::@1
@@ -122,23 +123,23 @@ main::@return: scope:[main]  from main::@2
   (byte*) print_line_cursor#4 ← (byte*) print_line_cursor#10
   return 
   to:@return
-@36: scope:[]  from @12
+@37: scope:[]  from @12
   (byte*) print_line_cursor#14 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte*) print_char_cursor#20 ← phi( @12/(byte*) print_char_cursor#0 )
   call main 
-  to:@37
-@37: scope:[]  from @36
-  (byte*) print_line_cursor#11 ← phi( @36/(byte*) print_line_cursor#4 )
-  (byte*) print_char_cursor#16 ← phi( @36/(byte*) print_char_cursor#7 )
+  to:@38
+@38: scope:[]  from @37
+  (byte*) print_line_cursor#11 ← phi( @37/(byte*) print_line_cursor#4 )
+  (byte*) print_char_cursor#16 ← phi( @37/(byte*) print_char_cursor#7 )
   (byte*) print_char_cursor#8 ← (byte*) print_char_cursor#16
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#11
   to:@end
-@end: scope:[]  from @37
+@end: scope:[]  from @38
 
 SYMBOL TABLE SSA
 (label) @12
-(label) @36
 (label) @37
+(label) @38
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -257,8 +258,8 @@ Successful SSA optimization Pass2ConstantInlining
 Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @36
 Adding NOP phi() at start of @37
+Adding NOP phi() at start of @38
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -276,11 +277,11 @@ Coalesced [26] print_str::str#5 ← print_str::str#0
 Coalesced [27] print_char_cursor#22 ← print_char_cursor#1
 Coalesced down to 3 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @37
+Culled Empty Block (label) @38
 Culled Empty Block (label) main::@2
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
-Renumbering block @36 to @1
+Renumbering block @37 to @1
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @1
 Adding NOP phi() at start of @end
diff --git a/src/test/ref/examples/plasma/plasma-unroll.log b/src/test/ref/examples/plasma/plasma-unroll.log
index d07adf021..27ac9faf0 100644
--- a/src/test/ref/examples/plasma/plasma-unroll.log
+++ b/src/test/ref/examples/plasma/plasma-unroll.log
@@ -46,7 +46,8 @@ Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
-Culled Empty Block (label) @40
+Culled Empty Block (label) @39
+Culled Empty Block (label) @41
 Culled Empty Block (label) sid_rnd::@1
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::@6
@@ -54,7 +55,7 @@ Culled Empty Block (label) main::@5
 Culled Empty Block (label) main::@7
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) doplasma::@8
-Culled Empty Block (label) @43
+Culled Empty Block (label) @44
 Culled Empty Block (label) makecharset::@10
 
 CONTROL FLOW GRAPH SSA
@@ -106,7 +107,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@39
+  to:@40
 print_char: scope:[print_char]  from makecharset::@8
   (byte*) print_char_cursor#11 ← phi( makecharset::@8/(byte*) print_char_cursor#20 )
   (byte) print_char::ch#1 ← phi( makecharset::@8/(byte) print_char::ch#0 )
@@ -138,7 +139,7 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#13
   return 
   to:@return
-@39: scope:[]  from @16
+@40: scope:[]  from @16
   (byte*) print_screen#11 ← phi( @16/(byte*) print_screen#0 )
   (byte*) print_char_cursor#37 ← phi( @16/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#32 ← phi( @16/(byte*) print_line_cursor#0 )
@@ -146,7 +147,7 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) SID_VOICE3_CONTROL#0 ← ((byte*)) (number) $d412
   (byte) SID_CONTROL_NOISE#0 ← (number) $80
   (byte*) SID_VOICE3_OSC#0 ← ((byte*)) (number) $d41b
-  to:@41
+  to:@42
 sid_rnd_init: scope:[sid_rnd_init]  from makecharset
   *((word*) SID_VOICE3_FREQ#0) ← (number) $ffff
   *((byte*) SID_VOICE3_CONTROL#0) ← (byte) SID_CONTROL_NOISE#0
@@ -162,24 +163,24 @@ sid_rnd::@return: scope:[sid_rnd]  from sid_rnd
   (byte) sid_rnd::return#1 ← (byte) sid_rnd::return#3
   return 
   to:@return
-@41: scope:[]  from @39
-  (byte*) print_screen#10 ← phi( @39/(byte*) print_screen#11 )
-  (byte*) print_char_cursor#35 ← phi( @39/(byte*) print_char_cursor#37 )
-  (byte*) print_line_cursor#29 ← phi( @39/(byte*) print_line_cursor#32 )
+@42: scope:[]  from @40
+  (byte*) print_screen#10 ← phi( @40/(byte*) print_screen#11 )
+  (byte*) print_char_cursor#35 ← phi( @40/(byte*) print_char_cursor#37 )
+  (byte*) print_line_cursor#29 ← phi( @40/(byte*) print_line_cursor#32 )
   (byte*) SCREEN1#0 ← ((byte*)) (number) $2800
   (byte*) CHARSET#0 ← ((byte*)) (number) $2000
   (byte[$100]) SINTABLE#0 ← kickasm {{ .for(var i=0;i<$100;i++)
         .byte round(127.5+127.5*sin(toRadians(360*i/256)))
  }}
-  to:@42
-main: scope:[main]  from @44
-  (byte) c2B#27 ← phi( @44/(byte) c2B#17 )
-  (byte) c2A#27 ← phi( @44/(byte) c2A#17 )
-  (byte) c1B#27 ← phi( @44/(byte) c1B#16 )
-  (byte) c1A#27 ← phi( @44/(byte) c1A#16 )
-  (byte*) print_screen#7 ← phi( @44/(byte*) print_screen#8 )
-  (byte*) print_char_cursor#32 ← phi( @44/(byte*) print_char_cursor#25 )
-  (byte*) print_line_cursor#26 ← phi( @44/(byte*) print_line_cursor#18 )
+  to:@43
+main: scope:[main]  from @45
+  (byte) c2B#27 ← phi( @45/(byte) c2B#17 )
+  (byte) c2A#27 ← phi( @45/(byte) c2A#17 )
+  (byte) c1B#27 ← phi( @45/(byte) c1B#16 )
+  (byte) c1A#27 ← phi( @45/(byte) c1A#16 )
+  (byte*) print_screen#7 ← phi( @45/(byte*) print_screen#8 )
+  (byte*) print_char_cursor#32 ← phi( @45/(byte*) print_char_cursor#25 )
+  (byte*) print_line_cursor#26 ← phi( @45/(byte*) print_line_cursor#18 )
   asm { sei  }
   *((byte*) BORDERCOL#0) ← (byte) BLUE#0
   *((byte*) BGCOL#0) ← (byte) BLUE#0
@@ -310,15 +311,15 @@ main::@return: scope:[main]  from main::@3
   (byte) c2B#1 ← (byte) c2B#7
   return 
   to:@return
-@42: scope:[]  from @41
-  (byte*) print_screen#9 ← phi( @41/(byte*) print_screen#10 )
-  (byte*) print_char_cursor#31 ← phi( @41/(byte*) print_char_cursor#35 )
-  (byte*) print_line_cursor#25 ← phi( @41/(byte*) print_line_cursor#29 )
+@43: scope:[]  from @42
+  (byte*) print_screen#9 ← phi( @42/(byte*) print_screen#10 )
+  (byte*) print_char_cursor#31 ← phi( @42/(byte*) print_char_cursor#35 )
+  (byte*) print_line_cursor#25 ← phi( @42/(byte*) print_line_cursor#29 )
   (byte) c1A#2 ← (number) 0
   (byte) c1B#2 ← (number) 0
   (byte) c2A#2 ← (number) 0
   (byte) c2B#2 ← (number) 0
-  to:@44
+  to:@45
 doplasma: scope:[doplasma]  from main::@4
   (byte*) doplasma::screen#8 ← phi( main::@4/(byte*) doplasma::screen#0 )
   (byte) c2B#19 ← phi( main::@4/(byte) c2B#12 )
@@ -591,23 +592,23 @@ makecharset::@return: scope:[makecharset]  from makecharset::@9
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#18
   return 
   to:@return
-@44: scope:[]  from @42
-  (byte*) print_screen#8 ← phi( @42/(byte*) print_screen#9 )
-  (byte) c2B#17 ← phi( @42/(byte) c2B#2 )
-  (byte) c2A#17 ← phi( @42/(byte) c2A#2 )
-  (byte) c1B#16 ← phi( @42/(byte) c1B#2 )
-  (byte) c1A#16 ← phi( @42/(byte) c1A#2 )
-  (byte*) print_char_cursor#25 ← phi( @42/(byte*) print_char_cursor#31 )
-  (byte*) print_line_cursor#18 ← phi( @42/(byte*) print_line_cursor#25 )
+@45: scope:[]  from @43
+  (byte*) print_screen#8 ← phi( @43/(byte*) print_screen#9 )
+  (byte) c2B#17 ← phi( @43/(byte) c2B#2 )
+  (byte) c2A#17 ← phi( @43/(byte) c2A#2 )
+  (byte) c1B#16 ← phi( @43/(byte) c1B#2 )
+  (byte) c1A#16 ← phi( @43/(byte) c1A#2 )
+  (byte*) print_char_cursor#25 ← phi( @43/(byte*) print_char_cursor#31 )
+  (byte*) print_line_cursor#18 ← phi( @43/(byte*) print_line_cursor#25 )
   call main 
-  to:@45
-@45: scope:[]  from @44
-  (byte) c2B#11 ← phi( @44/(byte) c2B#1 )
-  (byte) c2A#11 ← phi( @44/(byte) c2A#1 )
-  (byte) c1B#11 ← phi( @44/(byte) c1B#1 )
-  (byte) c1A#11 ← phi( @44/(byte) c1A#1 )
-  (byte*) print_char_cursor#19 ← phi( @44/(byte*) print_char_cursor#6 )
-  (byte*) print_line_cursor#13 ← phi( @44/(byte*) print_line_cursor#4 )
+  to:@46
+@46: scope:[]  from @45
+  (byte) c2B#11 ← phi( @45/(byte) c2B#1 )
+  (byte) c2A#11 ← phi( @45/(byte) c2A#1 )
+  (byte) c1B#11 ← phi( @45/(byte) c1B#1 )
+  (byte) c1A#11 ← phi( @45/(byte) c1A#1 )
+  (byte*) print_char_cursor#19 ← phi( @45/(byte*) print_char_cursor#6 )
+  (byte*) print_line_cursor#13 ← phi( @45/(byte*) print_line_cursor#4 )
   (byte*) print_line_cursor#7 ← (byte*) print_line_cursor#13
   (byte*) print_char_cursor#10 ← (byte*) print_char_cursor#19
   (byte) c1A#5 ← (byte) c1A#11
@@ -615,15 +616,15 @@ makecharset::@return: scope:[makecharset]  from makecharset::@9
   (byte) c2A#5 ← (byte) c2A#11
   (byte) c2B#5 ← (byte) c2B#11
   to:@end
-@end: scope:[]  from @45
+@end: scope:[]  from @46
 
 SYMBOL TABLE SSA
 (label) @16
-(label) @39
-(label) @41
+(label) @40
 (label) @42
-(label) @44
+(label) @43
 (label) @45
+(label) @46
 (label) @begin
 (label) @end
 (byte*) BGCOL
@@ -2424,11 +2425,11 @@ Added new block during phi lifting makecharset::@19(between makecharset::@7 and
 Added new block during phi lifting memset::@6(between memset::@4 and memset::@4)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @16
-Adding NOP phi() at start of @39
-Adding NOP phi() at start of @41
+Adding NOP phi() at start of @40
 Adding NOP phi() at start of @42
-Adding NOP phi() at start of @44
+Adding NOP phi() at start of @43
 Adding NOP phi() at start of @45
+Adding NOP phi() at start of @46
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@2
 Adding NOP phi() at start of main::@10
@@ -2480,10 +2481,10 @@ Coalesced (already) [161] makecharset::b#8 ← makecharset::b#2
 Coalesced [179] memset::dst#3 ← memset::dst#1
 Coalesced down to 20 phi equivalence classes
 Culled Empty Block (label) @16
-Culled Empty Block (label) @39
-Culled Empty Block (label) @41
+Culled Empty Block (label) @40
 Culled Empty Block (label) @42
-Culled Empty Block (label) @45
+Culled Empty Block (label) @43
+Culled Empty Block (label) @46
 Culled Empty Block (label) main::@10
 Culled Empty Block (label) main::toD0181_@return
 Culled Empty Block (label) main::@11
@@ -2501,7 +2502,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @44 to @1
+Renumbering block @45 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block main::@9 to main::@5
 Renumbering block doplasma::@9 to doplasma::@8
diff --git a/src/test/ref/examples/plasma/plasma.log b/src/test/ref/examples/plasma/plasma.log
index 1185793ef..18b9efdfc 100644
--- a/src/test/ref/examples/plasma/plasma.log
+++ b/src/test/ref/examples/plasma/plasma.log
@@ -47,7 +47,8 @@ Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
-Culled Empty Block (label) @40
+Culled Empty Block (label) @39
+Culled Empty Block (label) @41
 Culled Empty Block (label) sid_rnd::@1
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::toD0182_@1
@@ -56,7 +57,7 @@ Culled Empty Block (label) main::@5
 Culled Empty Block (label) main::@7
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) doplasma::@8
-Culled Empty Block (label) @43
+Culled Empty Block (label) @44
 Culled Empty Block (label) makecharset::@10
 
 CONTROL FLOW GRAPH SSA
@@ -108,7 +109,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@39
+  to:@40
 print_char: scope:[print_char]  from makecharset::@8
   (byte*) print_char_cursor#11 ← phi( makecharset::@8/(byte*) print_char_cursor#20 )
   (byte) print_char::ch#1 ← phi( makecharset::@8/(byte) print_char::ch#0 )
@@ -140,7 +141,7 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#13
   return 
   to:@return
-@39: scope:[]  from @16
+@40: scope:[]  from @16
   (byte*) print_screen#11 ← phi( @16/(byte*) print_screen#0 )
   (byte*) print_char_cursor#35 ← phi( @16/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#30 ← phi( @16/(byte*) print_line_cursor#0 )
@@ -148,7 +149,7 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) SID_VOICE3_CONTROL#0 ← ((byte*)) (number) $d412
   (byte) SID_CONTROL_NOISE#0 ← (number) $80
   (byte*) SID_VOICE3_OSC#0 ← ((byte*)) (number) $d41b
-  to:@41
+  to:@42
 sid_rnd_init: scope:[sid_rnd_init]  from makecharset
   *((word*) SID_VOICE3_FREQ#0) ← (number) $ffff
   *((byte*) SID_VOICE3_CONTROL#0) ← (byte) SID_CONTROL_NOISE#0
@@ -164,25 +165,25 @@ sid_rnd::@return: scope:[sid_rnd]  from sid_rnd
   (byte) sid_rnd::return#1 ← (byte) sid_rnd::return#3
   return 
   to:@return
-@41: scope:[]  from @39
-  (byte*) print_screen#10 ← phi( @39/(byte*) print_screen#11 )
-  (byte*) print_char_cursor#33 ← phi( @39/(byte*) print_char_cursor#35 )
-  (byte*) print_line_cursor#27 ← phi( @39/(byte*) print_line_cursor#30 )
+@42: scope:[]  from @40
+  (byte*) print_screen#10 ← phi( @40/(byte*) print_screen#11 )
+  (byte*) print_char_cursor#33 ← phi( @40/(byte*) print_char_cursor#35 )
+  (byte*) print_line_cursor#27 ← phi( @40/(byte*) print_line_cursor#30 )
   (byte*) SCREEN1#0 ← ((byte*)) (number) $2800
   (byte*) SCREEN2#0 ← ((byte*)) (number) $2c00
   (byte*) CHARSET#0 ← ((byte*)) (number) $2000
   (byte[$100]) SINTABLE#0 ← kickasm {{ .for(var i=0;i<$100;i++)
         .byte round(127.5+127.5*sin(2*PI*i/256))
  }}
-  to:@42
-main: scope:[main]  from @44
-  (byte*) print_screen#7 ← phi( @44/(byte*) print_screen#8 )
-  (byte) c2B#32 ← phi( @44/(byte) c2B#20 )
-  (byte) c2A#32 ← phi( @44/(byte) c2A#20 )
-  (byte) c1B#31 ← phi( @44/(byte) c1B#19 )
-  (byte) c1A#31 ← phi( @44/(byte) c1A#19 )
-  (byte*) print_char_cursor#31 ← phi( @44/(byte*) print_char_cursor#25 )
-  (byte*) print_line_cursor#25 ← phi( @44/(byte*) print_line_cursor#18 )
+  to:@43
+main: scope:[main]  from @45
+  (byte*) print_screen#7 ← phi( @45/(byte*) print_screen#8 )
+  (byte) c2B#32 ← phi( @45/(byte) c2B#20 )
+  (byte) c2A#32 ← phi( @45/(byte) c2A#20 )
+  (byte) c1B#31 ← phi( @45/(byte) c1B#19 )
+  (byte) c1A#31 ← phi( @45/(byte) c1A#19 )
+  (byte*) print_char_cursor#31 ← phi( @45/(byte*) print_char_cursor#25 )
+  (byte*) print_line_cursor#25 ← phi( @45/(byte*) print_line_cursor#18 )
   asm { sei  }
   *((byte*) BORDERCOL#0) ← (byte) BLUE#0
   *((byte*) BGCOL#0) ← (byte) BLUE#0
@@ -370,15 +371,15 @@ main::@return: scope:[main]  from main::@3
   (byte) c2B#2 ← (byte) c2B#9
   return 
   to:@return
-@42: scope:[]  from @41
-  (byte*) print_screen#9 ← phi( @41/(byte*) print_screen#10 )
-  (byte*) print_char_cursor#30 ← phi( @41/(byte*) print_char_cursor#33 )
-  (byte*) print_line_cursor#24 ← phi( @41/(byte*) print_line_cursor#27 )
+@43: scope:[]  from @42
+  (byte*) print_screen#9 ← phi( @42/(byte*) print_screen#10 )
+  (byte*) print_char_cursor#30 ← phi( @42/(byte*) print_char_cursor#33 )
+  (byte*) print_line_cursor#24 ← phi( @42/(byte*) print_line_cursor#27 )
   (byte) c1A#3 ← (number) 0
   (byte) c1B#3 ← (number) 0
   (byte) c2A#3 ← (number) 0
   (byte) c2B#3 ← (number) 0
-  to:@44
+  to:@45
 doplasma: scope:[doplasma]  from main::@4 main::@9
   (byte*) doplasma::screen#10 ← phi( main::@4/(byte*) doplasma::screen#0 main::@9/(byte*) doplasma::screen#1 )
   (byte) c2B#24 ← phi( main::@4/(byte) c2B#14 main::@9/(byte) c2B#15 )
@@ -643,23 +644,23 @@ makecharset::@return: scope:[makecharset]  from makecharset::@9
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#18
   return 
   to:@return
-@44: scope:[]  from @42
-  (byte*) print_screen#8 ← phi( @42/(byte*) print_screen#9 )
-  (byte) c2B#20 ← phi( @42/(byte) c2B#3 )
-  (byte) c2A#20 ← phi( @42/(byte) c2A#3 )
-  (byte) c1B#19 ← phi( @42/(byte) c1B#3 )
-  (byte) c1A#19 ← phi( @42/(byte) c1A#3 )
-  (byte*) print_char_cursor#25 ← phi( @42/(byte*) print_char_cursor#30 )
-  (byte*) print_line_cursor#18 ← phi( @42/(byte*) print_line_cursor#24 )
+@45: scope:[]  from @43
+  (byte*) print_screen#8 ← phi( @43/(byte*) print_screen#9 )
+  (byte) c2B#20 ← phi( @43/(byte) c2B#3 )
+  (byte) c2A#20 ← phi( @43/(byte) c2A#3 )
+  (byte) c1B#19 ← phi( @43/(byte) c1B#3 )
+  (byte) c1A#19 ← phi( @43/(byte) c1A#3 )
+  (byte*) print_char_cursor#25 ← phi( @43/(byte*) print_char_cursor#30 )
+  (byte*) print_line_cursor#18 ← phi( @43/(byte*) print_line_cursor#24 )
   call main 
-  to:@45
-@45: scope:[]  from @44
-  (byte) c2B#13 ← phi( @44/(byte) c2B#2 )
-  (byte) c2A#13 ← phi( @44/(byte) c2A#2 )
-  (byte) c1B#13 ← phi( @44/(byte) c1B#2 )
-  (byte) c1A#13 ← phi( @44/(byte) c1A#2 )
-  (byte*) print_char_cursor#19 ← phi( @44/(byte*) print_char_cursor#6 )
-  (byte*) print_line_cursor#13 ← phi( @44/(byte*) print_line_cursor#4 )
+  to:@46
+@46: scope:[]  from @45
+  (byte) c2B#13 ← phi( @45/(byte) c2B#2 )
+  (byte) c2A#13 ← phi( @45/(byte) c2A#2 )
+  (byte) c1B#13 ← phi( @45/(byte) c1B#2 )
+  (byte) c1A#13 ← phi( @45/(byte) c1A#2 )
+  (byte*) print_char_cursor#19 ← phi( @45/(byte*) print_char_cursor#6 )
+  (byte*) print_line_cursor#13 ← phi( @45/(byte*) print_line_cursor#4 )
   (byte*) print_line_cursor#7 ← (byte*) print_line_cursor#13
   (byte*) print_char_cursor#10 ← (byte*) print_char_cursor#19
   (byte) c1A#6 ← (byte) c1A#13
@@ -667,15 +668,15 @@ makecharset::@return: scope:[makecharset]  from makecharset::@9
   (byte) c2A#6 ← (byte) c2A#13
   (byte) c2B#6 ← (byte) c2B#13
   to:@end
-@end: scope:[]  from @45
+@end: scope:[]  from @46
 
 SYMBOL TABLE SSA
 (label) @16
-(label) @39
-(label) @41
+(label) @40
 (label) @42
-(label) @44
+(label) @43
 (label) @45
+(label) @46
 (label) @begin
 (label) @end
 (byte*) BGCOL
@@ -1877,11 +1878,11 @@ Added new block during phi lifting makecharset::@18(between makecharset::@13 and
 Added new block during phi lifting makecharset::@19(between makecharset::@7 and makecharset::@9)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @16
-Adding NOP phi() at start of @39
-Adding NOP phi() at start of @41
+Adding NOP phi() at start of @40
 Adding NOP phi() at start of @42
-Adding NOP phi() at start of @44
+Adding NOP phi() at start of @43
 Adding NOP phi() at start of @45
+Adding NOP phi() at start of @46
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@2
 Adding NOP phi() at start of main::@11
@@ -1946,10 +1947,10 @@ Coalesced (already) [131] makecharset::b#8 ← makecharset::b#2
 Coalesced [149] memset::dst#3 ← memset::dst#1
 Coalesced down to 20 phi equivalence classes
 Culled Empty Block (label) @16
-Culled Empty Block (label) @39
-Culled Empty Block (label) @41
+Culled Empty Block (label) @40
 Culled Empty Block (label) @42
-Culled Empty Block (label) @45
+Culled Empty Block (label) @43
+Culled Empty Block (label) @46
 Culled Empty Block (label) main::@11
 Culled Empty Block (label) main::@12
 Culled Empty Block (label) main::toD0181_@return
@@ -1971,7 +1972,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @44 to @1
+Renumbering block @45 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block main::@9 to main::@5
 Renumbering block main::@10 to main::@6
diff --git a/src/test/ref/examples/rotate/rotate.log b/src/test/ref/examples/rotate/rotate.log
index a7621e411..d26d5fdc7 100644
--- a/src/test/ref/examples/rotate/rotate.log
+++ b/src/test/ref/examples/rotate/rotate.log
@@ -55,13 +55,14 @@ Culled Empty Block (label) @39
 Culled Empty Block (label) @40
 Culled Empty Block (label) @41
 Culled Empty Block (label) @42
-Culled Empty Block (label) @44
+Culled Empty Block (label) @43
 Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
 Culled Empty Block (label) @48
 Culled Empty Block (label) @49
-Culled Empty Block (label) @51
+Culled Empty Block (label) @50
+Culled Empty Block (label) @52
 Culled Empty Block (label) init::@2
 Culled Empty Block (label) anim::@2
 Culled Empty Block (label) anim::@15
@@ -272,7 +273,7 @@ mulf8s_prepared::@return: scope:[mulf8s_prepared]  from mulf8s_prepared::@2
   to:@return
 @13: scope:[]  from @4
   (dword) CLOCKS_PER_INIT#0 ← (number) $12
-  to:@43
+  to:@44
 clock: scope:[clock]  from anim::@13
   (number~) clock::$0 ← (number) $ffffffff - *((dword*) CIA2_TIMER_AB#0)
   (dword) clock::return#0 ← (number~) clock::$0
@@ -344,9 +345,9 @@ print_dword_at::@2: scope:[print_dword_at]  from print_dword_at::@1
 print_dword_at::@return: scope:[print_dword_at]  from print_dword_at::@2
   return 
   to:@return
-@43: scope:[]  from @13
+@44: scope:[]  from @13
   (byte[]) print_hextab#0 ← (const string) $2
-  to:@50
+  to:@51
 print_byte_at: scope:[print_byte_at]  from print_word_at print_word_at::@1
   (byte*) print_byte_at::at#2 ← phi( print_word_at/(byte*) print_byte_at::at#0 print_word_at::@1/(byte*) print_byte_at::at#1 )
   (byte) print_byte_at::b#2 ← phi( print_word_at/(byte) print_byte_at::b#0 print_word_at::@1/(byte) print_byte_at::b#1 )
@@ -377,16 +378,16 @@ print_char_at: scope:[print_char_at]  from print_byte_at print_byte_at::@1
 print_char_at::@return: scope:[print_char_at]  from print_char_at
   return 
   to:@return
-@50: scope:[]  from @43
+@51: scope:[]  from @44
   (byte*) SCREEN#0 ← ((byte*)) (number) $400
   (byte[$140]) SIN#0 ← kickasm {{ .for(var i=0;i<$140;i++)
         .byte >round($7fff*sin(i*2*PI/256))
  }}
   (byte*~) $1 ← (byte[$140]) SIN#0 + (number) $40
   (byte*) COS#0 ← (byte*~) $1
-  to:@52
-main: scope:[main]  from @53
-  (byte*) COS#9 ← phi( @53/(byte*) COS#11 )
+  to:@53
+main: scope:[main]  from @54
+  (byte*) COS#9 ← phi( @54/(byte*) COS#11 )
   asm { sei  }
   call init 
   to:main::@1
@@ -422,11 +423,11 @@ init::@1: scope:[init]  from init::@1 init::@3
 init::@return: scope:[init]  from init::@1
   return 
   to:@return
-@52: scope:[]  from @50
-  (byte*) COS#15 ← phi( @50/(byte*) COS#0 )
+@53: scope:[]  from @51
+  (byte*) COS#15 ← phi( @51/(byte*) COS#0 )
   (signed byte[8]) xs#0 ← { (number) -$46, (number) -$46, (number) -$46, (number) 0, (number) 0, (number) $46, (number) $46, (number) $46 }
   (signed byte[8]) ys#0 ← { (number) -$46, (number) 0, (number) $46, (number) -$46, (number) $46, (number) -$46, (number) 0, (number) $46 }
-  to:@53
+  to:@54
 anim: scope:[anim]  from main::@1
   (byte*) COS#5 ← phi( main::@1/(byte*) COS#7 )
   (byte) anim::angle#0 ← (number) 0
@@ -686,8 +687,8 @@ anim::@27: scope:[anim]  from anim::@26
 anim::@return: scope:[anim]  from anim::@1
   return 
   to:@return
-@53: scope:[]  from @52
-  (byte*) COS#11 ← phi( @52/(byte*) COS#15 )
+@54: scope:[]  from @53
+  (byte*) COS#11 ← phi( @53/(byte*) COS#15 )
   (byte*) SPRITE#0 ← ((byte*)) (number) $3000
   kickasm(location (byte*) SPRITE#0) {{ .var pic = LoadPicture("balloon.png", List().add($000000, $ffffff))
     .for (var y=0; y<21; y++)
@@ -695,21 +696,21 @@ anim::@return: scope:[anim]  from anim::@1
             .byte pic.getSinglecolorByte(x,y)
  }}
   call main 
-  to:@54
-@54: scope:[]  from @53
+  to:@55
+@55: scope:[]  from @54
   to:@end
-@end: scope:[]  from @54
+@end: scope:[]  from @55
 
 SYMBOL TABLE SSA
 (byte*~) $1
 (const string) $2 = (string) "0123456789abcdef"
 (label) @13
 (label) @4
-(label) @43
-(label) @50
-(label) @52
+(label) @44
+(label) @51
 (label) @53
 (label) @54
+(label) @55
 (label) @begin
 (label) @end
 (byte*) BORDERCOL
@@ -1856,10 +1857,10 @@ Added new block during phi lifting anim::@29(between anim::@25 and anim::@11)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @4
 Adding NOP phi() at start of @13
-Adding NOP phi() at start of @43
-Adding NOP phi() at start of @50
-Adding NOP phi() at start of @52
-Adding NOP phi() at start of @54
+Adding NOP phi() at start of @44
+Adding NOP phi() at start of @51
+Adding NOP phi() at start of @53
+Adding NOP phi() at start of @55
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@1
 Adding NOP phi() at start of main::@2
@@ -1926,10 +1927,10 @@ Coalesced (already) [210] mulf_init::x_2#6 ← mulf_init::x_2#3
 Coalesced down to 22 phi equivalence classes
 Culled Empty Block (label) @4
 Culled Empty Block (label) @13
-Culled Empty Block (label) @43
-Culled Empty Block (label) @50
-Culled Empty Block (label) @52
-Culled Empty Block (label) @54
+Culled Empty Block (label) @44
+Culled Empty Block (label) @51
+Culled Empty Block (label) @53
+Culled Empty Block (label) @55
 Culled Empty Block (label) main::@2
 Culled Empty Block (label) anim::@19
 Culled Empty Block (label) anim::@20
@@ -1947,7 +1948,7 @@ Culled Empty Block (label) mulf_init::@7
 Culled Empty Block (label) mulf_init::@11
 Culled Empty Block (label) mulf_init::@9
 Culled Empty Block (label) mulf_init::@10
-Renumbering block @53 to @1
+Renumbering block @54 to @1
 Renumbering block mulf_init::@5 to mulf_init::@4
 Renumbering block mulf_init::@6 to mulf_init::@5
 Renumbering block mulf_init::@8 to mulf_init::@6
diff --git a/src/test/ref/examples/sinsprites/sinus-sprites.log b/src/test/ref/examples/sinsprites/sinus-sprites.log
index 91fdbcda3..4efa48503 100644
--- a/src/test/ref/examples/sinsprites/sinus-sprites.log
+++ b/src/test/ref/examples/sinsprites/sinus-sprites.log
@@ -72,18 +72,19 @@ Culled Empty Block (label) @62
 Culled Empty Block (label) @63
 Culled Empty Block (label) @64
 Culled Empty Block (label) @65
+Culled Empty Block (label) @66
 Culled Empty Block (label) main::@1
 Culled Empty Block (label) main::@4
-Culled Empty Block (label) @67
 Culled Empty Block (label) @68
+Culled Empty Block (label) @69
 Culled Empty Block (label) clear_screen::@2
-Culled Empty Block (label) @70
-Culled Empty Block (label) @72
-Culled Empty Block (label) place_sprites::@2
+Culled Empty Block (label) @71
 Culled Empty Block (label) @73
-Culled Empty Block (label) gen_sprites::@2
+Culled Empty Block (label) place_sprites::@2
 Culled Empty Block (label) @74
+Culled Empty Block (label) gen_sprites::@2
 Culled Empty Block (label) @75
+Culled Empty Block (label) @76
 Culled Empty Block (label) gen_sintab::@2
 
 CONTROL FLOW GRAPH SSA
@@ -104,7 +105,7 @@ CONTROL FLOW GRAPH SSA
 @4: scope:[]  from @begin
   (byte*) memLo#0 ← ((byte*)) (number) $fe
   (byte*) memHi#0 ← ((byte*)) (number) $ff
-  to:@66
+  to:@67
 prepareMEM: scope:[prepareMEM]  from addMEMtoFAC divMEMbyFAC mulFACbyMEM setFAC setMEMtoFAC
   (byte*) prepareMEM::mem#5 ← phi( addMEMtoFAC/(byte*) prepareMEM::mem#2 divMEMbyFAC/(byte*) prepareMEM::mem#3 mulFACbyMEM/(byte*) prepareMEM::mem#4 setFAC/(byte*) prepareMEM::mem#0 setMEMtoFAC/(byte*) prepareMEM::mem#1 )
   (byte~) prepareMEM::$0 ← < (byte*) prepareMEM::mem#5
@@ -199,19 +200,19 @@ sinFAC: scope:[sinFAC]  from gen_sintab::@18
 sinFAC::@return: scope:[sinFAC]  from sinFAC
   return 
   to:@return
-@66: scope:[]  from @4
+@67: scope:[]  from @4
   (byte) sinlen_x#0 ← (number) $dd
   (byte[$dd]) sintab_x#0 ← { fill( $dd, 0) }
   (byte) sinlen_y#0 ← (number) $c5
   (byte[$c5]) sintab_y#0 ← { fill( $c5, 0) }
   (byte*) sprites#0 ← ((byte*)) (number) $2000
   (byte*) SCREEN#0 ← ((byte*)) (number) $400
-  to:@69
-main: scope:[main]  from @76
-  (byte) sin_idx_y#23 ← phi( @76/(byte) sin_idx_y#17 )
-  (byte) sin_idx_x#25 ← phi( @76/(byte) sin_idx_x#16 )
-  (byte) progress_idx#30 ← phi( @76/(byte) progress_idx#35 )
-  (byte*) progress_cursor#29 ← phi( @76/(byte*) progress_cursor#35 )
+  to:@70
+main: scope:[main]  from @77
+  (byte) sin_idx_y#23 ← phi( @77/(byte) sin_idx_y#17 )
+  (byte) sin_idx_x#25 ← phi( @77/(byte) sin_idx_x#16 )
+  (byte) progress_idx#30 ← phi( @77/(byte) progress_idx#35 )
+  (byte*) progress_cursor#29 ← phi( @77/(byte*) progress_cursor#35 )
   call init 
   to:main::@5
 main::@5: scope:[main]  from main
@@ -357,10 +358,10 @@ clear_screen::@1: scope:[clear_screen]  from clear_screen clear_screen::@1
 clear_screen::@return: scope:[clear_screen]  from clear_screen::@1
   return 
   to:@return
-@69: scope:[]  from @66
+@70: scope:[]  from @67
   (byte*) progress_cursor#7 ← (byte*) SCREEN#0
   (byte) progress_idx#7 ← (number) 0
-  to:@71
+  to:@72
 progress_init: scope:[progress_init]  from init::@5 init::@7
   (byte*) progress_init::line#2 ← phi( init::@5/(byte*) progress_init::line#0 init::@7/(byte*) progress_init::line#1 )
   (byte*) progress_cursor#8 ← (byte*) progress_init::line#2
@@ -400,12 +401,12 @@ progress_inc::@return: scope:[progress_inc]  from progress_inc::@1
   (byte*) progress_cursor#11 ← (byte*) progress_cursor#25
   return 
   to:@return
-@71: scope:[]  from @69
-  (byte) progress_idx#39 ← phi( @69/(byte) progress_idx#7 )
-  (byte*) progress_cursor#39 ← phi( @69/(byte*) progress_cursor#7 )
+@72: scope:[]  from @70
+  (byte) progress_idx#39 ← phi( @70/(byte) progress_idx#7 )
+  (byte*) progress_cursor#39 ← phi( @70/(byte*) progress_cursor#7 )
   (byte) sin_idx_x#2 ← (number) 0
   (byte) sin_idx_y#2 ← (number) 0
-  to:@76
+  to:@77
 anim: scope:[anim]  from main::@3
   (byte) sin_idx_y#9 ← phi( main::@3/(byte) sin_idx_y#13 )
   (byte) sin_idx_x#9 ← phi( main::@3/(byte) sin_idx_x#13 )
@@ -942,32 +943,32 @@ gen_sintab::@return: scope:[gen_sintab]  from gen_sintab::@23
   (byte*) progress_cursor#13 ← (byte*) progress_cursor#27
   return 
   to:@return
-@76: scope:[]  from @71
-  (byte) sin_idx_y#17 ← phi( @71/(byte) sin_idx_y#2 )
-  (byte) sin_idx_x#16 ← phi( @71/(byte) sin_idx_x#2 )
-  (byte) progress_idx#35 ← phi( @71/(byte) progress_idx#39 )
-  (byte*) progress_cursor#35 ← phi( @71/(byte*) progress_cursor#39 )
+@77: scope:[]  from @72
+  (byte) sin_idx_y#17 ← phi( @72/(byte) sin_idx_y#2 )
+  (byte) sin_idx_x#16 ← phi( @72/(byte) sin_idx_x#2 )
+  (byte) progress_idx#35 ← phi( @72/(byte) progress_idx#39 )
+  (byte*) progress_cursor#35 ← phi( @72/(byte*) progress_cursor#39 )
   call main 
-  to:@77
-@77: scope:[]  from @76
-  (byte) sin_idx_y#12 ← phi( @76/(byte) sin_idx_y#1 )
-  (byte) sin_idx_x#12 ← phi( @76/(byte) sin_idx_x#1 )
-  (byte) progress_idx#29 ← phi( @76/(byte) progress_idx#1 )
-  (byte*) progress_cursor#28 ← phi( @76/(byte*) progress_cursor#1 )
+  to:@78
+@78: scope:[]  from @77
+  (byte) sin_idx_y#12 ← phi( @77/(byte) sin_idx_y#1 )
+  (byte) sin_idx_x#12 ← phi( @77/(byte) sin_idx_x#1 )
+  (byte) progress_idx#29 ← phi( @77/(byte) progress_idx#1 )
+  (byte*) progress_cursor#28 ← phi( @77/(byte*) progress_cursor#1 )
   (byte*) progress_cursor#14 ← (byte*) progress_cursor#28
   (byte) progress_idx#15 ← (byte) progress_idx#29
   (byte) sin_idx_x#6 ← (byte) sin_idx_x#12
   (byte) sin_idx_y#6 ← (byte) sin_idx_y#12
   to:@end
-@end: scope:[]  from @77
+@end: scope:[]  from @78
 
 SYMBOL TABLE SSA
 (label) @4
-(label) @66
-(label) @69
-(label) @71
-(label) @76
+(label) @67
+(label) @70
+(label) @72
 (label) @77
+(label) @78
 (label) @begin
 (label) @end
 (byte*) BORDERCOL
@@ -2507,11 +2508,11 @@ Added new block during phi lifting gen_chargen_sprite::@14(between gen_chargen_s
 Added new block during phi lifting gen_sintab::@24(between gen_sintab::@23 and gen_sintab::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @4
-Adding NOP phi() at start of @66
-Adding NOP phi() at start of @69
-Adding NOP phi() at start of @71
-Adding NOP phi() at start of @76
+Adding NOP phi() at start of @67
+Adding NOP phi() at start of @70
+Adding NOP phi() at start of @72
 Adding NOP phi() at start of @77
+Adding NOP phi() at start of @78
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@5
@@ -2626,10 +2627,10 @@ Coalesced [296] place_sprites::j2#4 ← place_sprites::j2#2
 Coalesced [297] place_sprites::col#3 ← place_sprites::col#1
 Coalesced down to 36 phi equivalence classes
 Culled Empty Block (label) @4
-Culled Empty Block (label) @66
-Culled Empty Block (label) @69
-Culled Empty Block (label) @71
-Culled Empty Block (label) @77
+Culled Empty Block (label) @67
+Culled Empty Block (label) @70
+Culled Empty Block (label) @72
+Culled Empty Block (label) @78
 Culled Empty Block (label) main::@5
 Culled Empty Block (label) main::@6
 Culled Empty Block (label) main::@7
@@ -2651,7 +2652,7 @@ Culled Empty Block (label) gen_chargen_sprite::@12
 Culled Empty Block (label) gen_chargen_sprite::@13
 Culled Empty Block (label) gen_chargen_sprite::@14
 Culled Empty Block (label) place_sprites::@3
-Renumbering block @76 to @1
+Renumbering block @77 to @1
 Renumbering block main::@2 to main::@1
 Renumbering block main::@3 to main::@2
 Renumbering block init::@4 to init::@3
diff --git a/src/test/ref/fastmultiply-127.log b/src/test/ref/fastmultiply-127.log
index 0c66cc142..7f75fa984 100644
--- a/src/test/ref/fastmultiply-127.log
+++ b/src/test/ref/fastmultiply-127.log
@@ -39,7 +39,7 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
@@ -48,8 +48,9 @@ Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
+Culled Empty Block (label) @38
 Culled Empty Block (label) mulf8u127::@1
-Culled Empty Block (label) @39
+Culled Empty Block (label) @40
 Culled Empty Block (label) mulf8s127::@7
 
 CONTROL FLOW GRAPH SSA
@@ -95,7 +96,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_str: scope:[print_str]  from main::@1 main::@11
   (byte*) print_char_cursor#136 ← phi( main::@1/(byte*) print_char_cursor#23 main::@11/(byte*) print_char_cursor#33 )
   (byte*) print_str::str#5 ← phi( main::@1/(byte*) print_str::str#1 main::@11/(byte*) print_str::str#2 )
@@ -257,12 +258,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#15 ← (byte*) print_char_cursor#76
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#6 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#142 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#75 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@38
+  to:@39
 print_byte: scope:[print_byte]  from print_mulf8u127::@1 print_mulf8u127::@3 print_sbyte::@2 print_word print_word::@1
   (byte*) print_char_cursor#131 ← phi( print_mulf8u127::@1/(byte*) print_char_cursor#133 print_mulf8u127::@3/(byte*) print_char_cursor#48 print_sbyte::@2/(byte*) print_char_cursor#129 print_word/(byte*) print_char_cursor#130 print_word::@1/(byte*) print_char_cursor#13 )
   (byte) print_byte::b#5 ← phi( print_mulf8u127::@1/(byte) print_byte::b#3 print_mulf8u127::@3/(byte) print_byte::b#4 print_sbyte::@2/(byte) print_byte::b#0 print_word/(byte) print_byte::b#1 print_word::@1/(byte) print_byte::b#2 )
@@ -318,10 +319,10 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#82
   return 
   to:@return
-main: scope:[main]  from @40
-  (byte*) print_char_cursor#132 ← phi( @40/(byte*) print_char_cursor#135 )
-  (byte*) print_line_cursor#64 ← phi( @40/(byte*) print_line_cursor#69 )
-  (byte*) print_screen#3 ← phi( @40/(byte*) print_screen#4 )
+main: scope:[main]  from @41
+  (byte*) print_char_cursor#132 ← phi( @41/(byte*) print_char_cursor#135 )
+  (byte*) print_line_cursor#64 ← phi( @41/(byte*) print_line_cursor#69 )
+  (byte*) print_screen#3 ← phi( @41/(byte*) print_screen#4 )
   call print_cls 
   to:main::@1
 main::@1: scope:[main]  from main
@@ -675,15 +676,15 @@ print_mulf8s127::@return: scope:[print_mulf8s127]  from print_mulf8s127::@7
   (byte*) print_line_cursor#30 ← (byte*) print_line_cursor#61
   return 
   to:@return
-@38: scope:[]  from @28
-  (byte*) print_screen#5 ← phi( @28/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#141 ← phi( @28/(byte*) print_char_cursor#142 )
-  (byte*) print_line_cursor#72 ← phi( @28/(byte*) print_line_cursor#75 )
+@39: scope:[]  from @29
+  (byte*) print_screen#5 ← phi( @29/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#141 ← phi( @29/(byte*) print_char_cursor#142 )
+  (byte*) print_line_cursor#72 ← phi( @29/(byte*) print_line_cursor#75 )
   (byte[$200]) mulf127_sqr1_lo#0 ← kickasm {{ .fill 512, <round((i/127*i/127)*127/4)  }}
   (byte[$200]) mulf127_sqr1_hi#0 ← kickasm {{ .fill 512, >round((i/127*i/127)*127/4)  }}
   (byte[$200]) mulf127_sqr2_lo#0 ← kickasm {{ .fill 512, <round(((i-255)/127*(i-255)/127)*127/4)  }}
   (byte[$200]) mulf127_sqr2_hi#0 ← kickasm {{ .fill 512, >round(((i-255)/127*(i-255)/127)*127/4)  }}
-  to:@40
+  to:@41
 mulf8u127: scope:[mulf8u127]  from mulf8s127 print_mulf8u127
   (byte) mulf8u127::b#2 ← phi( mulf8s127/(byte) mulf8u127::b#1 print_mulf8u127/(byte) mulf8u127::b#0 )
   (byte) mulf8u127::a#2 ← phi( mulf8s127/(byte) mulf8u127::a#1 print_mulf8u127/(byte) mulf8u127::a#0 )
@@ -770,27 +771,27 @@ mulf8s127::@return: scope:[mulf8s127]  from mulf8s127::@3
   (signed word) mulf8s127::return#2 ← (signed word) mulf8s127::return#4
   return 
   to:@return
-@40: scope:[]  from @38
-  (byte*) print_screen#4 ← phi( @38/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#135 ← phi( @38/(byte*) print_char_cursor#141 )
-  (byte*) print_line_cursor#69 ← phi( @38/(byte*) print_line_cursor#72 )
+@41: scope:[]  from @39
+  (byte*) print_screen#4 ← phi( @39/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#135 ← phi( @39/(byte*) print_char_cursor#141 )
+  (byte*) print_line_cursor#69 ← phi( @39/(byte*) print_line_cursor#72 )
   call main 
-  to:@41
-@41: scope:[]  from @40
-  (byte*) print_char_cursor#121 ← phi( @40/(byte*) print_char_cursor#46 )
-  (byte*) print_line_cursor#62 ← phi( @40/(byte*) print_line_cursor#26 )
+  to:@42
+@42: scope:[]  from @41
+  (byte*) print_char_cursor#121 ← phi( @41/(byte*) print_char_cursor#46 )
+  (byte*) print_line_cursor#62 ← phi( @41/(byte*) print_line_cursor#26 )
   (byte*) print_line_cursor#31 ← (byte*) print_line_cursor#62
   (byte*) print_char_cursor#61 ← (byte*) print_char_cursor#121
   to:@end
-@end: scope:[]  from @41
+@end: scope:[]  from @42
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @38
-(label) @40
+(label) @29
+(label) @39
 (label) @41
+(label) @42
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -2027,10 +2028,10 @@ Added new block during phi lifting mulf8s127::@11(between mulf8s127::@1 and mulf
 Added new block during phi lifting mulf8s127::@12(between mulf8s127::@2 and mulf8s127::@3)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @38
-Adding NOP phi() at start of @40
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @39
 Adding NOP phi() at start of @41
+Adding NOP phi() at start of @42
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -2136,9 +2137,9 @@ Coalesced (already) [217] print_char_cursor#149 ← print_char_cursor#19
 Coalesced [233] memset::dst#3 ← memset::dst#1
 Coalesced down to 16 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @38
-Culled Empty Block (label) @41
+Culled Empty Block (label) @29
+Culled Empty Block (label) @39
+Culled Empty Block (label) @42
 Culled Empty Block (label) main::@23
 Culled Empty Block (label) print_mulf8s127::@7
 Culled Empty Block (label) print_ln::@2
@@ -2156,7 +2157,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @40 to @1
+Renumbering block @41 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block print_sbyte::@5 to print_sbyte::@4
diff --git a/src/test/ref/incrementinarray.log b/src/test/ref/incrementinarray.log
index b6ce59126..7f27373e8 100644
--- a/src/test/ref/incrementinarray.log
+++ b/src/test/ref/incrementinarray.log
@@ -44,6 +44,7 @@ Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 Culled Empty Block (label) main::@2
 
 CONTROL FLOW GRAPH SSA
@@ -89,7 +90,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@35
+  to:@36
 print_str: scope:[print_str]  from main::@1
   (byte*) print_char_cursor#27 ← phi( main::@1/(byte*) print_char_cursor#25 )
   (byte*) print_str::str#4 ← phi( main::@1/(byte*) print_str::str#1 )
@@ -155,16 +156,16 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#6 ← (byte*) print_char_cursor#16
   return 
   to:@return
-@35: scope:[]  from @12
+@36: scope:[]  from @12
   (byte*) print_screen#5 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#28 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#22 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) txt#0 ← (const string) $0
-  to:@36
-main: scope:[main]  from @36
-  (byte*) print_char_cursor#24 ← phi( @36/(byte*) print_char_cursor#26 )
-  (byte*) print_line_cursor#18 ← phi( @36/(byte*) print_line_cursor#20 )
-  (byte*) print_screen#3 ← phi( @36/(byte*) print_screen#4 )
+  to:@37
+main: scope:[main]  from @37
+  (byte*) print_char_cursor#24 ← phi( @37/(byte*) print_char_cursor#26 )
+  (byte*) print_line_cursor#18 ← phi( @37/(byte*) print_line_cursor#20 )
+  (byte*) print_screen#3 ← phi( @37/(byte*) print_screen#4 )
   call print_cls 
   to:main::@3
 main::@3: scope:[main]  from main
@@ -206,26 +207,26 @@ main::@return: scope:[main]  from main::@5
   (byte*) print_char_cursor#10 ← (byte*) print_char_cursor#20
   return 
   to:@return
-@36: scope:[]  from @35
-  (byte*) print_screen#4 ← phi( @35/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#26 ← phi( @35/(byte*) print_char_cursor#28 )
-  (byte*) print_line_cursor#20 ← phi( @35/(byte*) print_line_cursor#22 )
-  call main 
-  to:@37
 @37: scope:[]  from @36
-  (byte*) print_char_cursor#21 ← phi( @36/(byte*) print_char_cursor#10 )
-  (byte*) print_line_cursor#16 ← phi( @36/(byte*) print_line_cursor#7 )
+  (byte*) print_screen#4 ← phi( @36/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#26 ← phi( @36/(byte*) print_char_cursor#28 )
+  (byte*) print_line_cursor#20 ← phi( @36/(byte*) print_line_cursor#22 )
+  call main 
+  to:@38
+@38: scope:[]  from @37
+  (byte*) print_char_cursor#21 ← phi( @37/(byte*) print_char_cursor#10 )
+  (byte*) print_line_cursor#16 ← phi( @37/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#8 ← (byte*) print_line_cursor#16
   (byte*) print_char_cursor#11 ← (byte*) print_char_cursor#21
   to:@end
-@end: scope:[]  from @37
+@end: scope:[]  from @38
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "camelot@"
 (label) @12
-(label) @35
 (label) @36
 (label) @37
+(label) @38
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -496,9 +497,9 @@ Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_l
 Added new block during phi lifting main::@6(between main::@5 and main::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @35
 Adding NOP phi() at start of @36
 Adding NOP phi() at start of @37
+Adding NOP phi() at start of @38
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -526,8 +527,8 @@ Coalesced [36] print_char_cursor#30 ← print_char_cursor#1
 Coalesced [49] memset::dst#3 ← memset::dst#1
 Coalesced down to 5 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @35
-Culled Empty Block (label) @37
+Culled Empty Block (label) @36
+Culled Empty Block (label) @38
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
@@ -535,7 +536,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @36 to @1
+Renumbering block @37 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block main::@4 to main::@2
 Renumbering block main::@5 to main::@3
diff --git a/src/test/ref/linegen.log b/src/test/ref/linegen.log
index e58b57766..9c72e5b1f 100644
--- a/src/test/ref/linegen.log
+++ b/src/test/ref/linegen.log
@@ -49,7 +49,7 @@ Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
-Culled Empty Block (label) @37
+Culled Empty Block (label) @36
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
 Culled Empty Block (label) @40
@@ -57,6 +57,7 @@ Culled Empty Block (label) @41
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
 Culled Empty Block (label) @44
+Culled Empty Block (label) @45
 Culled Empty Block (label) lin16u_gen::@2
 
 CONTROL FLOW GRAPH SSA
@@ -183,7 +184,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@36
+  to:@37
 print_str: scope:[print_str]  from main::@10 main::@14 main::@16 main::@18 main::@2 main::@23 main::@25 main::@6 main::@8
   (byte*) print_char_cursor#86 ← phi( main::@10/(byte*) print_char_cursor#19 main::@14/(byte*) print_char_cursor#23 main::@16/(byte*) print_char_cursor#25 main::@18/(byte*) print_char_cursor#27 main::@2/(byte*) print_char_cursor#84 main::@23/(byte*) print_char_cursor#32 main::@25/(byte*) print_char_cursor#34 main::@6/(byte*) print_char_cursor#15 main::@8/(byte*) print_char_cursor#17 )
   (byte*) print_str::str#12 ← phi( main::@10/(byte*) print_str::str#3 main::@14/(byte*) print_str::str#4 main::@16/(byte*) print_str::str#5 main::@18/(byte*) print_str::str#6 main::@2/(byte*) print_str::str#7 main::@23/(byte*) print_str::str#8 main::@25/(byte*) print_str::str#9 main::@6/(byte*) print_str::str#1 main::@8/(byte*) print_str::str#2 )
@@ -253,13 +254,13 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#7 ← (byte*) print_char_cursor#46
   return 
   to:@return
-@36: scope:[]  from @20
+@37: scope:[]  from @20
   (byte*) print_screen#8 ← phi( @20/(byte*) print_screen#0 )
   (byte*) print_char_cursor#88 ← phi( @20/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#31 ← phi( @20/(byte*) print_line_cursor#0 )
   (word) rem16u#26 ← phi( @20/(word) rem16u#27 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@45
+  to:@46
 print_byte: scope:[print_byte]  from main::@1 print_word print_word::@1
   (byte*) print_char_cursor#81 ← phi( main::@1/(byte*) print_char_cursor#83 print_word/(byte*) print_char_cursor#80 print_word::@1/(byte*) print_char_cursor#5 )
   (byte) print_byte::b#3 ← phi( main::@1/(byte) print_byte::b#2 print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -315,11 +316,11 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#14 ← (byte*) print_char_cursor#52
   return 
   to:@return
-main: scope:[main]  from @45
-  (byte*) print_char_cursor#90 ← phi( @45/(byte*) print_char_cursor#85 )
-  (byte*) print_line_cursor#36 ← phi( @45/(byte*) print_line_cursor#26 )
-  (byte*) print_screen#6 ← phi( @45/(byte*) print_screen#7 )
-  (word) rem16u#20 ← phi( @45/(word) rem16u#24 )
+main: scope:[main]  from @46
+  (byte*) print_char_cursor#90 ← phi( @46/(byte*) print_char_cursor#85 )
+  (byte*) print_line_cursor#36 ← phi( @46/(byte*) print_line_cursor#26 )
+  (byte*) print_screen#6 ← phi( @46/(byte*) print_screen#7 )
+  (word) rem16u#20 ← phi( @46/(word) rem16u#24 )
   (word[$14]) main::lintab1#0 ← { fill( $14, 0) }
   (word) lin16u_gen::min#0 ← (number) $22d
   (word) lin16u_gen::max#0 ← (number) $7461
@@ -645,30 +646,30 @@ lin16u_gen::@return: scope:[lin16u_gen]  from lin16u_gen::@1
   (word) rem16u#9 ← (word) rem16u#18
   return 
   to:@return
-@45: scope:[]  from @36
-  (byte*) print_screen#7 ← phi( @36/(byte*) print_screen#8 )
-  (byte*) print_char_cursor#85 ← phi( @36/(byte*) print_char_cursor#88 )
-  (byte*) print_line_cursor#26 ← phi( @36/(byte*) print_line_cursor#31 )
-  (word) rem16u#24 ← phi( @36/(word) rem16u#26 )
+@46: scope:[]  from @37
+  (byte*) print_screen#7 ← phi( @37/(byte*) print_screen#8 )
+  (byte*) print_char_cursor#85 ← phi( @37/(byte*) print_char_cursor#88 )
+  (byte*) print_line_cursor#26 ← phi( @37/(byte*) print_line_cursor#31 )
+  (word) rem16u#24 ← phi( @37/(word) rem16u#26 )
   call main 
-  to:@46
-@46: scope:[]  from @45
-  (byte*) print_char_cursor#77 ← phi( @45/(byte*) print_char_cursor#38 )
-  (byte*) print_line_cursor#20 ← phi( @45/(byte*) print_line_cursor#9 )
-  (word) rem16u#19 ← phi( @45/(word) rem16u#6 )
+  to:@47
+@47: scope:[]  from @46
+  (byte*) print_char_cursor#77 ← phi( @46/(byte*) print_char_cursor#38 )
+  (byte*) print_line_cursor#20 ← phi( @46/(byte*) print_line_cursor#9 )
+  (word) rem16u#19 ← phi( @46/(word) rem16u#6 )
   (word) rem16u#10 ← (word) rem16u#19
   (byte*) print_line_cursor#10 ← (byte*) print_line_cursor#20
   (byte*) print_char_cursor#39 ← (byte*) print_char_cursor#77
   to:@end
-@end: scope:[]  from @46
+@end: scope:[]  from @47
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @2
 (label) @20
-(label) @36
-(label) @45
+(label) @37
 (label) @46
+(label) @47
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -1693,9 +1694,9 @@ Added new block during phi lifting lin16u_gen::@5(between lin16u_gen::@1 and lin
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @2
 Adding NOP phi() at start of @20
-Adding NOP phi() at start of @36
-Adding NOP phi() at start of @45
+Adding NOP phi() at start of @37
 Adding NOP phi() at start of @46
+Adding NOP phi() at start of @47
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -1781,8 +1782,8 @@ Coalesced [191] divr16u::rem#15 ← divr16u::rem#0
 Coalesced down to 18 phi equivalence classes
 Culled Empty Block (label) @2
 Culled Empty Block (label) @20
-Culled Empty Block (label) @36
-Culled Empty Block (label) @46
+Culled Empty Block (label) @37
+Culled Empty Block (label) @47
 Culled Empty Block (label) main::@13
 Culled Empty Block (label) main::@28
 Culled Empty Block (label) main::@29
@@ -1798,7 +1799,7 @@ Culled Empty Block (label) lin16u_gen::@5
 Culled Empty Block (label) divr16u::@8
 Culled Empty Block (label) divr16u::@10
 Culled Empty Block (label) divr16u::@9
-Renumbering block @45 to @1
+Renumbering block @46 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block main::@14 to main::@13
 Renumbering block main::@15 to main::@14
diff --git a/src/test/ref/min-fmul-16.log b/src/test/ref/min-fmul-16.log
index e76c2d9b1..7f9672a30 100644
--- a/src/test/ref/min-fmul-16.log
+++ b/src/test/ref/min-fmul-16.log
@@ -36,12 +36,13 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 Culled Empty Block (label) main::@2
 Culled Empty Block (label) main::@11
 Culled Empty Block (label) main::@3
@@ -51,7 +52,7 @@ Culled Empty Block (label) main::@7
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) main::@9
 Culled Empty Block (label) main::@10
-Culled Empty Block (label) @37
+Culled Empty Block (label) @38
 Culled Empty Block (label) mulf16u::@1
 
 CONTROL FLOW GRAPH SSA
@@ -61,7 +62,7 @@ CONTROL FLOW GRAPH SSA
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_word: scope:[print_word]  from print_dword print_dword::@1
   (byte*) print_char_cursor#34 ← phi( print_dword/(byte*) print_char_cursor#35 print_dword::@1/(byte*) print_char_cursor#4 )
   (word) print_word::w#2 ← phi( print_dword/(word) print_word::w#0 print_dword::@1/(word) print_word::w#1 )
@@ -110,12 +111,12 @@ print_dword::@return: scope:[print_dword]  from print_dword::@2
   (byte*) print_char_cursor#6 ← (byte*) print_char_cursor#23
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_line_cursor#19 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte*) print_screen#19 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#46 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@35
+  to:@36
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#36 ← phi( print_word/(byte*) print_char_cursor#34 print_word::@1/(byte*) print_char_cursor#1 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -166,18 +167,18 @@ print_set_screen::@return: scope:[print_set_screen]  from print_set_screen
   (byte*) print_char_cursor#13 ← (byte*) print_char_cursor#29
   return 
   to:@return
-@35: scope:[]  from @28
-  (byte*) print_line_cursor#18 ← phi( @28/(byte*) print_line_cursor#19 )
-  (byte*) print_screen#18 ← phi( @28/(byte*) print_screen#19 )
-  (byte*) print_char_cursor#45 ← phi( @28/(byte*) print_char_cursor#46 )
+@36: scope:[]  from @29
+  (byte*) print_line_cursor#18 ← phi( @29/(byte*) print_line_cursor#19 )
+  (byte*) print_screen#18 ← phi( @29/(byte*) print_screen#19 )
+  (byte*) print_char_cursor#45 ← phi( @29/(byte*) print_char_cursor#46 )
   (byte*) RASTER#0 ← ((byte*)) (number) $d012
   (byte*) BORDERCOL#0 ← ((byte*)) (number) $d020
   (byte*) SCREEN#0 ← ((byte*)) (number) $400
-  to:@36
-main: scope:[main]  from @38
-  (byte*) print_line_cursor#16 ← phi( @38/(byte*) print_line_cursor#12 )
-  (byte*) print_screen#16 ← phi( @38/(byte*) print_screen#12 )
-  (byte*) print_char_cursor#43 ← phi( @38/(byte*) print_char_cursor#39 )
+  to:@37
+main: scope:[main]  from @39
+  (byte*) print_line_cursor#16 ← phi( @39/(byte*) print_line_cursor#12 )
+  (byte*) print_screen#16 ← phi( @39/(byte*) print_screen#12 )
+  (byte*) print_char_cursor#43 ← phi( @39/(byte*) print_char_cursor#39 )
   call mulf_init 
   to:main::@13
 main::@13: scope:[main]  from main
@@ -247,15 +248,15 @@ main::@return: scope:[main]  from main::@1
   (byte*) print_line_cursor#4 ← (byte*) print_line_cursor#8
   return 
   to:@return
-@36: scope:[]  from @35
-  (byte*) print_line_cursor#15 ← phi( @35/(byte*) print_line_cursor#18 )
-  (byte*) print_screen#15 ← phi( @35/(byte*) print_screen#18 )
-  (byte*) print_char_cursor#42 ← phi( @35/(byte*) print_char_cursor#45 )
+@37: scope:[]  from @36
+  (byte*) print_line_cursor#15 ← phi( @36/(byte*) print_line_cursor#18 )
+  (byte*) print_screen#15 ← phi( @36/(byte*) print_screen#18 )
+  (byte*) print_char_cursor#42 ← phi( @36/(byte*) print_char_cursor#45 )
   (byte[$200]) mulf_sqr1_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr1_hi#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_hi#0 ← { fill( $200, 0) }
-  to:@38
+  to:@39
 mulf_init: scope:[mulf_init]  from main
   (word) mulf_init::sqr#0 ← (number) 0
   (byte) mulf_init::x_2#0 ← (number) 0
@@ -368,30 +369,30 @@ mulf16u::@return: scope:[mulf16u]  from mulf16u
   (dword) mulf16u::return#2 ← (dword) mulf16u::return#4
   return 
   to:@return
-@38: scope:[]  from @36
-  (byte*) print_line_cursor#12 ← phi( @36/(byte*) print_line_cursor#15 )
-  (byte*) print_screen#12 ← phi( @36/(byte*) print_screen#15 )
-  (byte*) print_char_cursor#39 ← phi( @36/(byte*) print_char_cursor#42 )
+@39: scope:[]  from @37
+  (byte*) print_line_cursor#12 ← phi( @37/(byte*) print_line_cursor#15 )
+  (byte*) print_screen#12 ← phi( @37/(byte*) print_screen#15 )
+  (byte*) print_char_cursor#39 ← phi( @37/(byte*) print_char_cursor#42 )
   call main 
-  to:@39
-@39: scope:[]  from @38
-  (byte*) print_line_cursor#9 ← phi( @38/(byte*) print_line_cursor#4 )
-  (byte*) print_screen#9 ← phi( @38/(byte*) print_screen#4 )
-  (byte*) print_char_cursor#33 ← phi( @38/(byte*) print_char_cursor#16 )
+  to:@40
+@40: scope:[]  from @39
+  (byte*) print_line_cursor#9 ← phi( @39/(byte*) print_line_cursor#4 )
+  (byte*) print_screen#9 ← phi( @39/(byte*) print_screen#4 )
+  (byte*) print_char_cursor#33 ← phi( @39/(byte*) print_char_cursor#16 )
   (byte*) print_char_cursor#17 ← (byte*) print_char_cursor#33
   (byte*) print_screen#5 ← (byte*) print_screen#9
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#9
   to:@end
-@end: scope:[]  from @39
+@end: scope:[]  from @40
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @35
+(label) @29
 (label) @36
-(label) @38
+(label) @37
 (label) @39
+(label) @40
 (label) @begin
 (label) @end
 (byte*) BORDERCOL
@@ -953,11 +954,11 @@ Added new block during phi lifting mulf_init::@11(between mulf_init::@6 and mulf
 Added new block during phi lifting mulf_init::@12(between mulf_init::@5 and mulf_init::@6)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @35
+Adding NOP phi() at start of @29
 Adding NOP phi() at start of @36
-Adding NOP phi() at start of @38
+Adding NOP phi() at start of @37
 Adding NOP phi() at start of @39
+Adding NOP phi() at start of @40
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@15
@@ -1005,10 +1006,10 @@ Coalesced [111] mulf_init::sqr#7 ← mulf_init::sqr#4
 Coalesced (already) [112] mulf_init::x_2#6 ← mulf_init::x_2#3
 Coalesced down to 13 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @35
+Culled Empty Block (label) @29
 Culled Empty Block (label) @36
-Culled Empty Block (label) @39
+Culled Empty Block (label) @37
+Culled Empty Block (label) @40
 Culled Empty Block (label) main::@16
 Culled Empty Block (label) print_dword::@2
 Culled Empty Block (label) print_word::@2
@@ -1018,7 +1019,7 @@ Culled Empty Block (label) mulf_init::@7
 Culled Empty Block (label) mulf_init::@11
 Culled Empty Block (label) mulf_init::@9
 Culled Empty Block (label) mulf_init::@10
-Renumbering block @38 to @1
+Renumbering block @39 to @1
 Renumbering block main::@4 to main::@2
 Renumbering block main::@6 to main::@3
 Renumbering block main::@13 to main::@4
diff --git a/src/test/ref/plasma-center.log b/src/test/ref/plasma-center.log
index b10ee003a..767ceea56 100644
--- a/src/test/ref/plasma-center.log
+++ b/src/test/ref/plasma-center.log
@@ -78,7 +78,8 @@ Culled Empty Block (label) @40
 Culled Empty Block (label) @41
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
-Culled Empty Block (label) @45
+Culled Empty Block (label) @44
+Culled Empty Block (label) @46
 Culled Empty Block (label) sid_rnd::@1
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::toD0182_@1
@@ -86,15 +87,15 @@ Culled Empty Block (label) main::@4
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::@5
 Culled Empty Block (label) main::@6
-Culled Empty Block (label) @48
-Culled Empty Block (label) init_angle_screen::@4
 Culled Empty Block (label) @49
+Culled Empty Block (label) init_angle_screen::@4
+Culled Empty Block (label) @50
 Culled Empty Block (label) init_dist_screen::@13
 Culled Empty Block (label) init_dist_screen::@14
 Culled Empty Block (label) init_dist_screen::@9
 Culled Empty Block (label) init_dist_screen::@10
 Culled Empty Block (label) init_dist_screen::@12
-Culled Empty Block (label) @50
+Culled Empty Block (label) @51
 Culled Empty Block (label) make_plasma_charset::@10
 
 CONTROL FLOW GRAPH SSA
@@ -143,9 +144,9 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) HEAP_TOP#0 ← ((byte*)) (number) $a000
   (byte*) heap_head#0 ← (byte*) HEAP_TOP#0
   to:@16
-malloc: scope:[malloc]  from @46 @52 init_squares
-  (word) malloc::size#3 ← phi( @46/(word) malloc::size#1 @52/(word) malloc::size#2 init_squares/(word) malloc::size#0 )
-  (byte*) heap_head#12 ← phi( @46/(byte*) heap_head#23 @52/(byte*) heap_head#5 init_squares/(byte*) heap_head#24 )
+malloc: scope:[malloc]  from @47 @53 init_squares
+  (word) malloc::size#3 ← phi( @47/(word) malloc::size#1 @53/(word) malloc::size#2 init_squares/(word) malloc::size#0 )
+  (byte*) heap_head#12 ← phi( @47/(byte*) heap_head#23 @53/(byte*) heap_head#5 init_squares/(byte*) heap_head#24 )
   (byte*~) malloc::$0 ← (byte*) heap_head#12 - (word) malloc::size#3
   (byte*) malloc::mem#0 ← (byte*~) malloc::$0
   (byte*) heap_head#1 ← (byte*) malloc::mem#0
@@ -550,7 +551,7 @@ atan2_16::@return: scope:[atan2_16]  from atan2_16::@8
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@44
+  to:@45
 print_char: scope:[print_char]  from make_plasma_charset::@8
   (byte*) print_char_cursor#11 ← phi( make_plasma_charset::@8/(byte*) print_char_cursor#20 )
   (byte) print_char::ch#1 ← phi( make_plasma_charset::@8/(byte) print_char::ch#0 )
@@ -582,7 +583,7 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#13
   return 
   to:@return
-@44: scope:[]  from @21
+@45: scope:[]  from @21
   (byte*) print_screen#13 ← phi( @21/(byte*) print_screen#0 )
   (byte*) print_char_cursor#43 ← phi( @21/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#38 ← phi( @21/(byte*) print_line_cursor#0 )
@@ -593,7 +594,7 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) SID_VOICE3_CONTROL#0 ← ((byte*)) (number) $d412
   (byte) SID_CONTROL_NOISE#0 ← (number) $80
   (byte*) SID_VOICE3_OSC#0 ← ((byte*)) (number) $d41b
-  to:@46
+  to:@47
 sid_rnd_init: scope:[sid_rnd_init]  from make_plasma_charset
   *((word*) SID_VOICE3_FREQ#0) ← (number) $ffff
   *((byte*) SID_VOICE3_CONTROL#0) ← (byte) SID_CONTROL_NOISE#0
@@ -609,59 +610,59 @@ sid_rnd::@return: scope:[sid_rnd]  from sid_rnd
   (byte) sid_rnd::return#1 ← (byte) sid_rnd::return#3
   return 
   to:@return
-@46: scope:[]  from @44
-  (byte*) print_screen#12 ← phi( @44/(byte*) print_screen#13 )
-  (byte*) print_char_cursor#39 ← phi( @44/(byte*) print_char_cursor#43 )
-  (byte*) print_line_cursor#34 ← phi( @44/(byte*) print_line_cursor#38 )
-  (word*) SQUARES#43 ← phi( @44/(word*) SQUARES#45 )
-  (byte) NUM_SQUARES#32 ← phi( @44/(byte) NUM_SQUARES#35 )
-  (byte*) heap_head#23 ← phi( @44/(byte*) heap_head#31 )
+@47: scope:[]  from @45
+  (byte*) print_screen#12 ← phi( @45/(byte*) print_screen#13 )
+  (byte*) print_char_cursor#39 ← phi( @45/(byte*) print_char_cursor#43 )
+  (byte*) print_line_cursor#34 ← phi( @45/(byte*) print_line_cursor#38 )
+  (word*) SQUARES#43 ← phi( @45/(word*) SQUARES#45 )
+  (byte) NUM_SQUARES#32 ← phi( @45/(byte) NUM_SQUARES#35 )
+  (byte*) heap_head#23 ← phi( @45/(byte*) heap_head#31 )
   (byte[$200]) SINTABLE#0 ← kickasm {{ .for(var i=0;i<$200;i++)
         .byte round(127.5+127.5*sin(2*PI*i/256))
  }}
   (word) malloc::size#1 ← (number) $3e8
   call malloc 
   (void*) malloc::return#3 ← (void*) malloc::return#1
-  to:@52
-@52: scope:[]  from @46
-  (byte*) print_screen#11 ← phi( @46/(byte*) print_screen#12 )
-  (byte*) print_char_cursor#36 ← phi( @46/(byte*) print_char_cursor#39 )
-  (byte*) print_line_cursor#31 ← phi( @46/(byte*) print_line_cursor#34 )
-  (word*) SQUARES#39 ← phi( @46/(word*) SQUARES#43 )
-  (byte) NUM_SQUARES#28 ← phi( @46/(byte) NUM_SQUARES#32 )
-  (byte*) heap_head#16 ← phi( @46/(byte*) heap_head#2 )
-  (void*) malloc::return#7 ← phi( @46/(void*) malloc::return#3 )
+  to:@53
+@53: scope:[]  from @47
+  (byte*) print_screen#11 ← phi( @47/(byte*) print_screen#12 )
+  (byte*) print_char_cursor#36 ← phi( @47/(byte*) print_char_cursor#39 )
+  (byte*) print_line_cursor#31 ← phi( @47/(byte*) print_line_cursor#34 )
+  (word*) SQUARES#39 ← phi( @47/(word*) SQUARES#43 )
+  (byte) NUM_SQUARES#28 ← phi( @47/(byte) NUM_SQUARES#32 )
+  (byte*) heap_head#16 ← phi( @47/(byte*) heap_head#2 )
+  (void*) malloc::return#7 ← phi( @47/(void*) malloc::return#3 )
   (void*~) $0 ← (void*) malloc::return#7
   (byte*) heap_head#5 ← (byte*) heap_head#16
   (byte*) SCREEN_DIST#0 ← ((byte*)) (void*~) $0
   (word) malloc::size#2 ← (number) $3e8
   call malloc 
   (void*) malloc::return#4 ← (void*) malloc::return#1
-  to:@53
-@53: scope:[]  from @52
-  (byte*) print_screen#10 ← phi( @52/(byte*) print_screen#11 )
-  (byte*) print_char_cursor#34 ← phi( @52/(byte*) print_char_cursor#36 )
-  (byte*) print_line_cursor#28 ← phi( @52/(byte*) print_line_cursor#31 )
-  (word*) SQUARES#36 ← phi( @52/(word*) SQUARES#39 )
-  (byte) NUM_SQUARES#25 ← phi( @52/(byte) NUM_SQUARES#28 )
-  (byte*) heap_head#17 ← phi( @52/(byte*) heap_head#2 )
-  (void*) malloc::return#8 ← phi( @52/(void*) malloc::return#4 )
+  to:@54
+@54: scope:[]  from @53
+  (byte*) print_screen#10 ← phi( @53/(byte*) print_screen#11 )
+  (byte*) print_char_cursor#34 ← phi( @53/(byte*) print_char_cursor#36 )
+  (byte*) print_line_cursor#28 ← phi( @53/(byte*) print_line_cursor#31 )
+  (word*) SQUARES#36 ← phi( @53/(word*) SQUARES#39 )
+  (byte) NUM_SQUARES#25 ← phi( @53/(byte) NUM_SQUARES#28 )
+  (byte*) heap_head#17 ← phi( @53/(byte*) heap_head#2 )
+  (void*) malloc::return#8 ← phi( @53/(void*) malloc::return#4 )
   (void*~) $1 ← (void*) malloc::return#8
   (byte*) heap_head#6 ← (byte*) heap_head#17
   (byte*) SCREEN_ANGLE#0 ← ((byte*)) (void*~) $1
   (byte*) CHARSET#0 ← ((byte*)) (number) $2000
   (byte*) SCREEN1#0 ← ((byte*)) (number) $2800
   (byte*) SCREEN2#0 ← ((byte*)) (number) $2c00
-  to:@47
-main: scope:[main]  from @51
-  (byte) sin_offset_y#30 ← phi( @51/(byte) sin_offset_y#18 )
-  (byte) sin_offset_x#30 ← phi( @51/(byte) sin_offset_x#18 )
-  (byte*) print_screen#7 ← phi( @51/(byte*) print_screen#8 )
-  (byte*) print_char_cursor#32 ← phi( @51/(byte*) print_char_cursor#25 )
-  (byte*) print_line_cursor#26 ← phi( @51/(byte*) print_line_cursor#18 )
-  (word*) SQUARES#21 ← phi( @51/(word*) SQUARES#25 )
-  (byte*) heap_head#26 ← phi( @51/(byte*) heap_head#30 )
-  (byte) NUM_SQUARES#14 ← phi( @51/(byte) NUM_SQUARES#17 )
+  to:@48
+main: scope:[main]  from @52
+  (byte) sin_offset_y#30 ← phi( @52/(byte) sin_offset_y#18 )
+  (byte) sin_offset_x#30 ← phi( @52/(byte) sin_offset_x#18 )
+  (byte*) print_screen#7 ← phi( @52/(byte*) print_screen#8 )
+  (byte*) print_char_cursor#32 ← phi( @52/(byte*) print_char_cursor#25 )
+  (byte*) print_line_cursor#26 ← phi( @52/(byte*) print_line_cursor#18 )
+  (word*) SQUARES#21 ← phi( @52/(word*) SQUARES#25 )
+  (byte*) heap_head#26 ← phi( @52/(byte*) heap_head#30 )
+  (byte) NUM_SQUARES#14 ← phi( @52/(byte) NUM_SQUARES#17 )
   (byte*) init_dist_screen::screen#0 ← (byte*) SCREEN_DIST#0
   call init_dist_screen 
   to:main::@9
@@ -871,16 +872,16 @@ main::@return: scope:[main]  from main::@1
   (byte) sin_offset_y#2 ← (byte) sin_offset_y#9
   return 
   to:@return
-@47: scope:[]  from @53
-  (byte*) print_screen#9 ← phi( @53/(byte*) print_screen#10 )
-  (byte*) print_char_cursor#31 ← phi( @53/(byte*) print_char_cursor#34 )
-  (byte*) print_line_cursor#25 ← phi( @53/(byte*) print_line_cursor#28 )
-  (word*) SQUARES#33 ← phi( @53/(word*) SQUARES#36 )
-  (byte*) heap_head#35 ← phi( @53/(byte*) heap_head#6 )
-  (byte) NUM_SQUARES#22 ← phi( @53/(byte) NUM_SQUARES#25 )
+@48: scope:[]  from @54
+  (byte*) print_screen#9 ← phi( @54/(byte*) print_screen#10 )
+  (byte*) print_char_cursor#31 ← phi( @54/(byte*) print_char_cursor#34 )
+  (byte*) print_line_cursor#25 ← phi( @54/(byte*) print_line_cursor#28 )
+  (word*) SQUARES#33 ← phi( @54/(word*) SQUARES#36 )
+  (byte*) heap_head#35 ← phi( @54/(byte*) heap_head#6 )
+  (byte) NUM_SQUARES#22 ← phi( @54/(byte) NUM_SQUARES#25 )
   (byte) sin_offset_x#3 ← (number) 0
   (byte) sin_offset_y#3 ← (number) 0
-  to:@51
+  to:@52
 doplasma: scope:[doplasma]  from main::@2 main::@7
   (byte*) doplasma::screen#6 ← phi( main::@2/(byte*) doplasma::screen#0 main::@7/(byte*) doplasma::screen#1 )
   (byte) sin_offset_y#10 ← phi( main::@2/(byte) sin_offset_y#14 main::@7/(byte) sin_offset_y#15 )
@@ -1372,25 +1373,25 @@ make_plasma_charset::@return: scope:[make_plasma_charset]  from make_plasma_char
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#18
   return 
   to:@return
-@51: scope:[]  from @47
-  (byte*) print_screen#8 ← phi( @47/(byte*) print_screen#9 )
-  (byte) sin_offset_y#18 ← phi( @47/(byte) sin_offset_y#3 )
-  (byte) sin_offset_x#18 ← phi( @47/(byte) sin_offset_x#3 )
-  (byte*) print_char_cursor#25 ← phi( @47/(byte*) print_char_cursor#31 )
-  (byte*) print_line_cursor#18 ← phi( @47/(byte*) print_line_cursor#25 )
-  (word*) SQUARES#25 ← phi( @47/(word*) SQUARES#33 )
-  (byte*) heap_head#30 ← phi( @47/(byte*) heap_head#35 )
-  (byte) NUM_SQUARES#17 ← phi( @47/(byte) NUM_SQUARES#22 )
+@52: scope:[]  from @48
+  (byte*) print_screen#8 ← phi( @48/(byte*) print_screen#9 )
+  (byte) sin_offset_y#18 ← phi( @48/(byte) sin_offset_y#3 )
+  (byte) sin_offset_x#18 ← phi( @48/(byte) sin_offset_x#3 )
+  (byte*) print_char_cursor#25 ← phi( @48/(byte*) print_char_cursor#31 )
+  (byte*) print_line_cursor#18 ← phi( @48/(byte*) print_line_cursor#25 )
+  (word*) SQUARES#25 ← phi( @48/(word*) SQUARES#33 )
+  (byte*) heap_head#30 ← phi( @48/(byte*) heap_head#35 )
+  (byte) NUM_SQUARES#17 ← phi( @48/(byte) NUM_SQUARES#22 )
   call main 
-  to:@54
-@54: scope:[]  from @51
-  (byte) sin_offset_y#13 ← phi( @51/(byte) sin_offset_y#2 )
-  (byte) sin_offset_x#13 ← phi( @51/(byte) sin_offset_x#2 )
-  (byte*) print_char_cursor#19 ← phi( @51/(byte*) print_char_cursor#6 )
-  (byte*) print_line_cursor#13 ← phi( @51/(byte*) print_line_cursor#4 )
-  (word*) SQUARES#16 ← phi( @51/(word*) SQUARES#4 )
-  (byte*) heap_head#22 ← phi( @51/(byte*) heap_head#8 )
-  (byte) NUM_SQUARES#12 ← phi( @51/(byte) NUM_SQUARES#2 )
+  to:@55
+@55: scope:[]  from @52
+  (byte) sin_offset_y#13 ← phi( @52/(byte) sin_offset_y#2 )
+  (byte) sin_offset_x#13 ← phi( @52/(byte) sin_offset_x#2 )
+  (byte*) print_char_cursor#19 ← phi( @52/(byte*) print_char_cursor#6 )
+  (byte*) print_line_cursor#13 ← phi( @52/(byte*) print_line_cursor#4 )
+  (word*) SQUARES#16 ← phi( @52/(word*) SQUARES#4 )
+  (byte*) heap_head#22 ← phi( @52/(byte*) heap_head#8 )
+  (byte) NUM_SQUARES#12 ← phi( @52/(byte) NUM_SQUARES#2 )
   (byte) NUM_SQUARES#5 ← (byte) NUM_SQUARES#12
   (byte*) heap_head#11 ← (byte*) heap_head#22
   (word*) SQUARES#7 ← (word*) SQUARES#16
@@ -1399,7 +1400,7 @@ make_plasma_charset::@return: scope:[make_plasma_charset]  from make_plasma_char
   (byte) sin_offset_x#6 ← (byte) sin_offset_x#13
   (byte) sin_offset_y#6 ← (byte) sin_offset_y#13
   to:@end
-@end: scope:[]  from @54
+@end: scope:[]  from @55
 
 SYMBOL TABLE SSA
 (void*~) $0
@@ -1407,13 +1408,13 @@ SYMBOL TABLE SSA
 (label) @16
 (label) @19
 (label) @21
-(label) @44
-(label) @46
+(label) @45
 (label) @47
-(label) @51
+(label) @48
 (label) @52
 (label) @53
 (label) @54
+(label) @55
 (label) @8
 (label) @begin
 (label) @end
@@ -3796,11 +3797,11 @@ Adding NOP phi() at start of @8
 Adding NOP phi() at start of @16
 Adding NOP phi() at start of @19
 Adding NOP phi() at start of @21
-Adding NOP phi() at start of @44
-Adding NOP phi() at start of @46
+Adding NOP phi() at start of @45
 Adding NOP phi() at start of @47
-Adding NOP phi() at start of @51
-Adding NOP phi() at start of @54
+Adding NOP phi() at start of @48
+Adding NOP phi() at start of @52
+Adding NOP phi() at start of @55
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@10
 Adding NOP phi() at start of main::@11
@@ -3929,9 +3930,9 @@ Culled Empty Block (label) @8
 Culled Empty Block (label) @16
 Culled Empty Block (label) @19
 Culled Empty Block (label) @21
-Culled Empty Block (label) @44
-Culled Empty Block (label) @47
-Culled Empty Block (label) @54
+Culled Empty Block (label) @45
+Culled Empty Block (label) @48
+Culled Empty Block (label) @55
 Culled Empty Block (label) main::@12
 Culled Empty Block (label) main::@13
 Culled Empty Block (label) main::toD0181_@return
@@ -3962,10 +3963,10 @@ Culled Empty Block (label) init_dist_screen::@20
 Culled Empty Block (label) bsearch16u::@1
 Culled Empty Block (label) bsearch16u::@18
 Culled Empty Block (label) init_squares::@4
-Renumbering block @46 to @1
-Renumbering block @51 to @2
-Renumbering block @52 to @3
-Renumbering block @53 to @4
+Renumbering block @47 to @1
+Renumbering block @52 to @2
+Renumbering block @53 to @3
+Renumbering block @54 to @4
 Renumbering block memset::@2 to memset::@1
 Renumbering block memset::@4 to memset::@2
 Renumbering block bsearch16u::@2 to bsearch16u::@1
diff --git a/src/test/ref/printmsg.log b/src/test/ref/printmsg.log
index 0ed44098c..d492f53d5 100644
--- a/src/test/ref/printmsg.log
+++ b/src/test/ref/printmsg.log
@@ -42,6 +42,7 @@ Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -50,7 +51,7 @@ CONTROL FLOW GRAPH SSA
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@35
+  to:@36
 print_str: scope:[print_str]  from main main::@2 main::@4
   (byte*) print_char_cursor#29 ← phi( main/(byte*) print_char_cursor#27 main::@2/(byte*) print_char_cursor#6 main::@4/(byte*) print_char_cursor#8 )
   (byte*) print_str::str#6 ← phi( main/(byte*) print_str::str#1 main::@2/(byte*) print_str::str#2 main::@4/(byte*) print_str::str#3 )
@@ -96,16 +97,16 @@ print_ln::@return: scope:[print_ln]  from print_ln::@2
   (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#16
   return 
   to:@return
-@35: scope:[]  from @12
+@36: scope:[]  from @12
   (byte*) print_line_cursor#22 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte*) print_char_cursor#30 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte[]) msg#0 ← (const string) $0
   (byte[]) msg2#0 ← (const string) $1
   (byte[]) msg3#0 ← (const string) $2
-  to:@36
-main: scope:[main]  from @36
-  (byte*) print_line_cursor#21 ← phi( @36/(byte*) print_line_cursor#20 )
-  (byte*) print_char_cursor#27 ← phi( @36/(byte*) print_char_cursor#28 )
+  to:@37
+main: scope:[main]  from @37
+  (byte*) print_line_cursor#21 ← phi( @37/(byte*) print_line_cursor#20 )
+  (byte*) print_char_cursor#27 ← phi( @37/(byte*) print_char_cursor#28 )
   (byte*) print_str::str#1 ← (byte[]) msg#0
   call print_str 
   to:main::@1
@@ -156,27 +157,27 @@ main::@return: scope:[main]  from main::@6
   (byte*) print_line_cursor#6 ← (byte*) print_line_cursor#14
   return 
   to:@return
-@36: scope:[]  from @35
-  (byte*) print_line_cursor#20 ← phi( @35/(byte*) print_line_cursor#22 )
-  (byte*) print_char_cursor#28 ← phi( @35/(byte*) print_char_cursor#30 )
-  call main 
-  to:@37
 @37: scope:[]  from @36
-  (byte*) print_line_cursor#15 ← phi( @36/(byte*) print_line_cursor#6 )
-  (byte*) print_char_cursor#24 ← phi( @36/(byte*) print_char_cursor#11 )
+  (byte*) print_line_cursor#20 ← phi( @36/(byte*) print_line_cursor#22 )
+  (byte*) print_char_cursor#28 ← phi( @36/(byte*) print_char_cursor#30 )
+  call main 
+  to:@38
+@38: scope:[]  from @37
+  (byte*) print_line_cursor#15 ← phi( @37/(byte*) print_line_cursor#6 )
+  (byte*) print_char_cursor#24 ← phi( @37/(byte*) print_char_cursor#11 )
   (byte*) print_char_cursor#12 ← (byte*) print_char_cursor#24
   (byte*) print_line_cursor#7 ← (byte*) print_line_cursor#15
   to:@end
-@end: scope:[]  from @37
+@end: scope:[]  from @38
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "hello world! @"
 (const string) $1 = (string) "hello c64! @"
 (const string) $2 = (string) "hello 2017! @"
 (label) @12
-(label) @35
 (label) @36
 (label) @37
+(label) @38
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -345,9 +346,9 @@ Successful SSA optimization Pass2ConstantInlining
 Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @35
 Adding NOP phi() at start of @36
 Adding NOP phi() at start of @37
+Adding NOP phi() at start of @38
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -370,12 +371,12 @@ Coalesced [38] print_str::str#8 ← print_str::str#0
 Coalesced [39] print_char_cursor#34 ← print_char_cursor#1
 Coalesced down to 3 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @35
-Culled Empty Block (label) @37
+Culled Empty Block (label) @36
+Culled Empty Block (label) @38
 Culled Empty Block (label) main::@6
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
-Renumbering block @36 to @1
+Renumbering block @37 to @1
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @1
 Adding NOP phi() at start of @end
diff --git a/src/test/ref/screen-center-angle.log b/src/test/ref/screen-center-angle.log
index f21548852..3d074e9a4 100644
--- a/src/test/ref/screen-center-angle.log
+++ b/src/test/ref/screen-center-angle.log
@@ -62,15 +62,16 @@ Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
-Culled Empty Block (label) @38
+Culled Empty Block (label) @37
 Culled Empty Block (label) @39
 Culled Empty Block (label) @40
 Culled Empty Block (label) @41
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
+Culled Empty Block (label) @44
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::toD0182_@1
-Culled Empty Block (label) @45
+Culled Empty Block (label) @46
 Culled Empty Block (label) init_angle_screen::@4
 
 CONTROL FLOW GRAPH SSA
@@ -375,7 +376,7 @@ atan2_16::@return: scope:[atan2_16]  from atan2_16::@8
   to:@return
 @19: scope:[]  from @17
   (dword) CLOCKS_PER_INIT#0 ← (number) $12
-  to:@37
+  to:@38
 clock: scope:[clock]  from main::@5
   (number~) clock::$0 ← (number) $ffffffff - *((dword*) CIA2_TIMER_AB#0)
   (dword) clock::return#0 ← (number~) clock::$0
@@ -447,9 +448,9 @@ print_dword_at::@2: scope:[print_dword_at]  from print_dword_at::@1
 print_dword_at::@return: scope:[print_dword_at]  from print_dword_at::@2
   return 
   to:@return
-@37: scope:[]  from @19
+@38: scope:[]  from @19
   (byte[]) print_hextab#0 ← (const string) $1
-  to:@44
+  to:@45
 print_byte_at: scope:[print_byte_at]  from print_word_at print_word_at::@1
   (byte*) print_byte_at::at#2 ← phi( print_word_at/(byte*) print_byte_at::at#0 print_word_at::@1/(byte*) print_byte_at::at#1 )
   (byte) print_byte_at::b#2 ← phi( print_word_at/(byte) print_byte_at::b#0 print_word_at::@1/(byte) print_byte_at::b#1 )
@@ -480,11 +481,11 @@ print_char_at: scope:[print_char_at]  from print_byte_at print_byte_at::@1
 print_char_at::@return: scope:[print_char_at]  from print_char_at
   return 
   to:@return
-@44: scope:[]  from @37
+@45: scope:[]  from @38
   (byte*) CHARSET#0 ← ((byte*)) (number) $2000
   (byte*) SCREEN#0 ← ((byte*)) (number) $2800
-  to:@46
-main: scope:[main]  from @46
+  to:@47
+main: scope:[main]  from @47
   (byte*) init_font_hex::charset#1 ← (byte*) CHARSET#0
   call init_font_hex 
   to:main::@3
@@ -637,22 +638,22 @@ init_angle_screen::@3: scope:[init_angle_screen]  from init_angle_screen::@5
 init_angle_screen::@return: scope:[init_angle_screen]  from init_angle_screen::@3
   return 
   to:@return
-@46: scope:[]  from @44
+@47: scope:[]  from @45
   call main 
-  to:@47
-@47: scope:[]  from @46
+  to:@48
+@48: scope:[]  from @47
   to:@end
-@end: scope:[]  from @47
+@end: scope:[]  from @48
 
 SYMBOL TABLE SSA
 (const string) $1 = (string) "0123456789abcdef"
 (label) @12
 (label) @17
 (label) @19
-(label) @37
-(label) @44
-(label) @46
+(label) @38
+(label) @45
 (label) @47
+(label) @48
 (label) @begin
 (label) @end
 (byte*) CHARSET
@@ -1917,10 +1918,10 @@ Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
 Adding NOP phi() at start of @17
 Adding NOP phi() at start of @19
-Adding NOP phi() at start of @37
-Adding NOP phi() at start of @44
-Adding NOP phi() at start of @46
+Adding NOP phi() at start of @38
+Adding NOP phi() at start of @45
 Adding NOP phi() at start of @47
+Adding NOP phi() at start of @48
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -2005,9 +2006,9 @@ Coalesced down to 28 phi equivalence classes
 Culled Empty Block (label) @12
 Culled Empty Block (label) @17
 Culled Empty Block (label) @19
-Culled Empty Block (label) @37
-Culled Empty Block (label) @44
-Culled Empty Block (label) @47
+Culled Empty Block (label) @38
+Culled Empty Block (label) @45
+Culled Empty Block (label) @48
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::toD0181_@return
 Culled Empty Block (label) main::@7
@@ -2026,7 +2027,7 @@ Culled Empty Block (label) atan2_16::@37
 Culled Empty Block (label) init_font_hex::@7
 Culled Empty Block (label) init_font_hex::@8
 Culled Empty Block (label) init_font_hex::@9
-Renumbering block @46 to @1
+Renumbering block @47 to @1
 Renumbering block atan2_16::@13 to atan2_16::@9
 Renumbering block atan2_16::@15 to atan2_16::@10
 Renumbering block atan2_16::@16 to atan2_16::@11
diff --git a/src/test/ref/screen-center-distance.log b/src/test/ref/screen-center-distance.log
index 2d0c4250d..dd7f8547e 100644
--- a/src/test/ref/screen-center-distance.log
+++ b/src/test/ref/screen-center-distance.log
@@ -61,15 +61,16 @@ Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
-Culled Empty Block (label) @39
+Culled Empty Block (label) @38
 Culled Empty Block (label) @40
 Culled Empty Block (label) @41
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
 Culled Empty Block (label) @44
+Culled Empty Block (label) @45
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::toD0182_@1
-Culled Empty Block (label) @46
+Culled Empty Block (label) @47
 Culled Empty Block (label) init_dist_screen::@13
 Culled Empty Block (label) init_dist_screen::@14
 Culled Empty Block (label) init_dist_screen::@9
@@ -353,7 +354,7 @@ init_font_hex::@return: scope:[init_font_hex]  from init_font_hex::@5
   (byte) NUM_SQUARES#28 ← phi( @15/(byte) NUM_SQUARES#32 )
   (byte[]) FONT_HEX_PROTO#0 ← { (number) 2, (number) 5, (number) 5, (number) 5, (number) 2, (number) 6, (number) 2, (number) 2, (number) 2, (number) 7, (number) 6, (number) 1, (number) 2, (number) 4, (number) 7, (number) 6, (number) 1, (number) 2, (number) 1, (number) 6, (number) 5, (number) 5, (number) 7, (number) 1, (number) 1, (number) 7, (number) 4, (number) 6, (number) 1, (number) 6, (number) 3, (number) 4, (number) 6, (number) 5, (number) 2, (number) 7, (number) 1, (number) 1, (number) 1, (number) 1, (number) 2, (number) 5, (number) 2, (number) 5, (number) 2, (number) 2, (number) 5, (number) 3, (number) 1, (number) 1, (number) 2, (number) 5, (number) 7, (number) 5, (number) 5, (number) 6, (number) 5, (number) 6, (number) 5, (number) 6, (number) 2, (number) 5, (number) 4, (number) 5, (number) 2, (number) 6, (number) 5, (number) 5, (number) 5, (number) 6, (number) 7, (number) 4, (number) 6, (number) 4, (number) 7, (number) 7, (number) 4, (number) 6, (number) 4, (number) 4 }
   (dword) CLOCKS_PER_INIT#0 ← (number) $12
-  to:@38
+  to:@39
 clock: scope:[clock]  from main::@5
   (number~) clock::$0 ← (number) $ffffffff - *((dword*) CIA2_TIMER_AB#0)
   (dword) clock::return#0 ← (number~) clock::$0
@@ -425,12 +426,12 @@ print_dword_at::@2: scope:[print_dword_at]  from print_dword_at::@1
 print_dword_at::@return: scope:[print_dword_at]  from print_dword_at::@2
   return 
   to:@return
-@38: scope:[]  from @20
+@39: scope:[]  from @20
   (word*) SQUARES#34 ← phi( @20/(word*) SQUARES#39 )
   (byte*) heap_head#30 ← phi( @20/(byte*) heap_head#34 )
   (byte) NUM_SQUARES#23 ← phi( @20/(byte) NUM_SQUARES#28 )
   (byte[]) print_hextab#0 ← (const string) $1
-  to:@45
+  to:@46
 print_byte_at: scope:[print_byte_at]  from print_word_at print_word_at::@1
   (byte*) print_byte_at::at#2 ← phi( print_word_at/(byte*) print_byte_at::at#0 print_word_at::@1/(byte*) print_byte_at::at#1 )
   (byte) print_byte_at::b#2 ← phi( print_word_at/(byte) print_byte_at::b#0 print_word_at::@1/(byte) print_byte_at::b#1 )
@@ -461,17 +462,17 @@ print_char_at: scope:[print_char_at]  from print_byte_at print_byte_at::@1
 print_char_at::@return: scope:[print_char_at]  from print_char_at
   return 
   to:@return
-@45: scope:[]  from @38
-  (word*) SQUARES#33 ← phi( @38/(word*) SQUARES#34 )
-  (byte*) heap_head#29 ← phi( @38/(byte*) heap_head#30 )
-  (byte) NUM_SQUARES#22 ← phi( @38/(byte) NUM_SQUARES#23 )
+@46: scope:[]  from @39
+  (word*) SQUARES#33 ← phi( @39/(word*) SQUARES#34 )
+  (byte*) heap_head#29 ← phi( @39/(byte*) heap_head#30 )
+  (byte) NUM_SQUARES#22 ← phi( @39/(byte) NUM_SQUARES#23 )
   (byte*) CHARSET#0 ← ((byte*)) (number) $2000
   (byte*) SCREEN#0 ← ((byte*)) (number) $2800
-  to:@47
-main: scope:[main]  from @47
-  (word*) SQUARES#46 ← phi( @47/(word*) SQUARES#25 )
-  (byte*) heap_head#44 ← phi( @47/(byte*) heap_head#25 )
-  (byte) NUM_SQUARES#36 ← phi( @47/(byte) NUM_SQUARES#17 )
+  to:@48
+main: scope:[main]  from @48
+  (word*) SQUARES#46 ← phi( @48/(word*) SQUARES#25 )
+  (byte*) heap_head#44 ← phi( @48/(byte*) heap_head#25 )
+  (byte) NUM_SQUARES#36 ← phi( @48/(byte) NUM_SQUARES#17 )
   (byte*) init_font_hex::charset#1 ← (byte*) CHARSET#0
   call init_font_hex 
   to:main::@3
@@ -795,32 +796,32 @@ init_dist_screen::@return: scope:[init_dist_screen]  from init_dist_screen::@11
   (word*) SQUARES#6 ← (word*) SQUARES#15
   return 
   to:@return
-@47: scope:[]  from @45
-  (word*) SQUARES#25 ← phi( @45/(word*) SQUARES#33 )
-  (byte*) heap_head#25 ← phi( @45/(byte*) heap_head#29 )
-  (byte) NUM_SQUARES#17 ← phi( @45/(byte) NUM_SQUARES#22 )
+@48: scope:[]  from @46
+  (word*) SQUARES#25 ← phi( @46/(word*) SQUARES#33 )
+  (byte*) heap_head#25 ← phi( @46/(byte*) heap_head#29 )
+  (byte) NUM_SQUARES#17 ← phi( @46/(byte) NUM_SQUARES#22 )
   call main 
-  to:@48
-@48: scope:[]  from @47
-  (word*) SQUARES#16 ← phi( @47/(word*) SQUARES#4 )
-  (byte*) heap_head#18 ← phi( @47/(byte*) heap_head#6 )
-  (byte) NUM_SQUARES#12 ← phi( @47/(byte) NUM_SQUARES#2 )
+  to:@49
+@49: scope:[]  from @48
+  (word*) SQUARES#16 ← phi( @48/(word*) SQUARES#4 )
+  (byte*) heap_head#18 ← phi( @48/(byte*) heap_head#6 )
+  (byte) NUM_SQUARES#12 ← phi( @48/(byte) NUM_SQUARES#2 )
   (byte) NUM_SQUARES#5 ← (byte) NUM_SQUARES#12
   (byte*) heap_head#9 ← (byte*) heap_head#18
   (word*) SQUARES#7 ← (word*) SQUARES#16
   to:@end
-@end: scope:[]  from @48
+@end: scope:[]  from @49
 
 SYMBOL TABLE SSA
 (const string) $1 = (string) "0123456789abcdef"
 (label) @12
 (label) @15
 (label) @20
-(label) @38
+(label) @39
 (label) @4
-(label) @45
-(label) @47
+(label) @46
 (label) @48
+(label) @49
 (label) @begin
 (label) @end
 (byte*) CHARSET
@@ -2351,10 +2352,10 @@ Adding NOP phi() at start of @4
 Adding NOP phi() at start of @12
 Adding NOP phi() at start of @15
 Adding NOP phi() at start of @20
-Adding NOP phi() at start of @38
-Adding NOP phi() at start of @45
-Adding NOP phi() at start of @47
+Adding NOP phi() at start of @39
+Adding NOP phi() at start of @46
 Adding NOP phi() at start of @48
+Adding NOP phi() at start of @49
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -2434,9 +2435,9 @@ Culled Empty Block (label) @4
 Culled Empty Block (label) @12
 Culled Empty Block (label) @15
 Culled Empty Block (label) @20
-Culled Empty Block (label) @38
-Culled Empty Block (label) @45
-Culled Empty Block (label) @48
+Culled Empty Block (label) @39
+Culled Empty Block (label) @46
+Culled Empty Block (label) @49
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) main::toD0181_@return
 Culled Empty Block (label) main::@7
@@ -2454,7 +2455,7 @@ Culled Empty Block (label) init_squares::@4
 Culled Empty Block (label) init_font_hex::@7
 Culled Empty Block (label) init_font_hex::@8
 Culled Empty Block (label) init_font_hex::@9
-Renumbering block @47 to @1
+Renumbering block @48 to @1
 Renumbering block bsearch16u::@2 to bsearch16u::@1
 Renumbering block bsearch16u::@3 to bsearch16u::@2
 Renumbering block bsearch16u::@6 to bsearch16u::@3
diff --git a/src/test/ref/semi-struct-1.log b/src/test/ref/semi-struct-1.log
index 572ab9b72..0e2ed1e9e 100644
--- a/src/test/ref/semi-struct-1.log
+++ b/src/test/ref/semi-struct-1.log
@@ -43,21 +43,22 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
-Culled Empty Block (label) @36
+Culled Empty Block (label) @35
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
+Culled Empty Block (label) @40
 Culled Empty Block (label) init_points::getPoint1_@1
 Culled Empty Block (label) init_points::pointXpos1_@1
 Culled Empty Block (label) init_points::pointYpos1_@1
 Culled Empty Block (label) init_points::@2
-Culled Empty Block (label) @40
+Culled Empty Block (label) @41
 Culled Empty Block (label) print_points::getPoint1_@1
 Culled Empty Block (label) print_points::pointXpos1_@1
 Culled Empty Block (label) print_points::pointYpos1_@1
@@ -106,7 +107,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_str: scope:[print_str]  from print_points::@7
   (byte*) print_char_cursor#48 ← phi( print_points::@7/(byte*) print_char_cursor#15 )
   (byte*) print_str::str#4 ← phi( print_points::@7/(byte*) print_str::str#1 )
@@ -152,12 +153,12 @@ print_ln::@return: scope:[print_ln]  from print_ln::@2
   (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#24
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#8 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#53 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#29 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $1
-  to:@35
+  to:@36
 print_byte: scope:[print_byte]  from print_points::@4 print_points::@5
   (byte*) print_char_cursor#42 ← phi( print_points::@4/(byte*) print_char_cursor#45 print_points::@5/(byte*) print_char_cursor#46 )
   (byte) print_byte::b#2 ← phi( print_points::@4/(byte) print_byte::b#0 print_points::@5/(byte) print_byte::b#1 )
@@ -213,19 +214,19 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#11 ← (byte*) print_char_cursor#30
   return 
   to:@return
-@35: scope:[]  from @28
-  (byte*) print_screen#7 ← phi( @28/(byte*) print_screen#8 )
-  (byte*) print_char_cursor#52 ← phi( @28/(byte*) print_char_cursor#53 )
-  (byte*) print_line_cursor#28 ← phi( @28/(byte*) print_line_cursor#29 )
+@36: scope:[]  from @29
+  (byte*) print_screen#7 ← phi( @29/(byte*) print_screen#8 )
+  (byte*) print_char_cursor#52 ← phi( @29/(byte*) print_char_cursor#53 )
+  (byte*) print_line_cursor#28 ← phi( @29/(byte*) print_line_cursor#29 )
   (byte) SIZEOF_POINT#0 ← (number) 2
   (byte) NUM_POINTS#0 ← (number) 4
   (byte~) $0 ← (byte) NUM_POINTS#0 * (byte) SIZEOF_POINT#0
   (byte[$0]) points#0 ← { fill( $0, 0) }
-  to:@41
-main: scope:[main]  from @41
-  (byte*) print_screen#5 ← phi( @41/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#49 ← phi( @41/(byte*) print_char_cursor#47 )
-  (byte*) print_line_cursor#26 ← phi( @41/(byte*) print_line_cursor#25 )
+  to:@42
+main: scope:[main]  from @42
+  (byte*) print_screen#5 ← phi( @42/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#49 ← phi( @42/(byte*) print_char_cursor#47 )
+  (byte*) print_line_cursor#26 ← phi( @42/(byte*) print_line_cursor#25 )
   call init_points 
   to:main::@1
 main::@1: scope:[main]  from main
@@ -472,28 +473,28 @@ print_points::@return: scope:[print_points]  from print_points::@10
   (byte*) print_char_cursor#19 ← (byte*) print_char_cursor#38
   return 
   to:@return
-@41: scope:[]  from @35
-  (byte*) print_screen#6 ← phi( @35/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#47 ← phi( @35/(byte*) print_char_cursor#52 )
-  (byte*) print_line_cursor#25 ← phi( @35/(byte*) print_line_cursor#28 )
+@42: scope:[]  from @36
+  (byte*) print_screen#6 ← phi( @36/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#47 ← phi( @36/(byte*) print_char_cursor#52 )
+  (byte*) print_line_cursor#25 ← phi( @36/(byte*) print_line_cursor#28 )
   call main 
-  to:@42
-@42: scope:[]  from @41
-  (byte*) print_char_cursor#39 ← phi( @41/(byte*) print_char_cursor#13 )
-  (byte*) print_line_cursor#20 ← phi( @41/(byte*) print_line_cursor#6 )
+  to:@43
+@43: scope:[]  from @42
+  (byte*) print_char_cursor#39 ← phi( @42/(byte*) print_char_cursor#13 )
+  (byte*) print_line_cursor#20 ← phi( @42/(byte*) print_line_cursor#6 )
   (byte*) print_line_cursor#10 ← (byte*) print_line_cursor#20
   (byte*) print_char_cursor#20 ← (byte*) print_char_cursor#39
   to:@end
-@end: scope:[]  from @42
+@end: scope:[]  from @43
 
 SYMBOL TABLE SSA
 (byte~) $0
 (const string) $1 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @35
-(label) @41
+(label) @29
+(label) @36
 (label) @42
+(label) @43
 (label) @begin
 (label) @end
 (byte) NUM_POINTS
@@ -1125,10 +1126,10 @@ Added new block during phi lifting init_points::@6(between init_points::@5 and i
 Added new block during phi lifting print_points::@11(between print_points::@10 and print_points::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @41
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @36
 Adding NOP phi() at start of @42
+Adding NOP phi() at start of @43
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -1187,9 +1188,9 @@ Coalesced [108] init_points::i#12 ← init_points::i#1
 Coalesced [109] init_points::pos#13 ← init_points::pos#2
 Coalesced down to 9 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @35
-Culled Empty Block (label) @42
+Culled Empty Block (label) @29
+Culled Empty Block (label) @36
+Culled Empty Block (label) @43
 Culled Empty Block (label) main::@2
 Culled Empty Block (label) print_points::@6
 Culled Empty Block (label) print_points::getPoint1_@return
@@ -1209,7 +1210,7 @@ Culled Empty Block (label) init_points::@3
 Culled Empty Block (label) init_points::pointXpos1_@return
 Culled Empty Block (label) init_points::pointYpos1_@return
 Culled Empty Block (label) init_points::@6
-Renumbering block @41 to @1
+Renumbering block @42 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block init_points::@4 to init_points::@2
 Renumbering block init_points::@5 to init_points::@3
diff --git a/src/test/ref/semi-struct-2.log b/src/test/ref/semi-struct-2.log
index 205589bb6..5463b823d 100644
--- a/src/test/ref/semi-struct-2.log
+++ b/src/test/ref/semi-struct-2.log
@@ -75,24 +75,24 @@ Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
-Culled Empty Block (label) @34
+Culled Empty Block (label) @33
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
-Culled Empty Block (label) @41
+Culled Empty Block (label) @40
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
-Culled Empty Block (label) @45
-Culled Empty Block (label) keyboard_matrix_read::@1
+Culled Empty Block (label) @44
 Culled Empty Block (label) @46
-Culled Empty Block (label) keyboard_key_pressed::@1
+Culled Empty Block (label) keyboard_matrix_read::@1
 Culled Empty Block (label) @47
+Culled Empty Block (label) keyboard_key_pressed::@1
 Culled Empty Block (label) @48
 Culled Empty Block (label) @49
 Culled Empty Block (label) @50
-Culled Empty Block (label) @52
+Culled Empty Block (label) @51
 Culled Empty Block (label) @53
 Culled Empty Block (label) @54
 Culled Empty Block (label) @55
@@ -106,6 +106,7 @@ Culled Empty Block (label) @62
 Culled Empty Block (label) @63
 Culled Empty Block (label) @64
 Culled Empty Block (label) @65
+Culled Empty Block (label) @66
 Culled Empty Block (label) main::fileEntry1_@1
 Culled Empty Block (label) main::fileEntry2_@1
 Culled Empty Block (label) main::@2
@@ -116,7 +117,7 @@ Culled Empty Block (label) main::@8
 Culled Empty Block (label) main::@10
 Culled Empty Block (label) main::@11
 Culled Empty Block (label) main::@12
-Culled Empty Block (label) @66
+Culled Empty Block (label) @67
 Culled Empty Block (label) initEntry::entryBufDisk1_@1
 Culled Empty Block (label) initEntry::entryBufEdit1_@1
 Culled Empty Block (label) initEntry::entryTsLen1_@1
@@ -130,7 +131,7 @@ Culled Empty Block (label) initEntry::entryBAddrLo1_@1
 Culled Empty Block (label) initEntry::entryBAddrHi1_@1
 Culled Empty Block (label) initEntry::entryTHi1_@1
 Culled Empty Block (label) initEntry::entryTLo1_@1
-Culled Empty Block (label) @67
+Culled Empty Block (label) @68
 Culled Empty Block (label) printEntry::entryBufDisk1_@1
 Culled Empty Block (label) printEntry::entryBufEdit1_@1
 Culled Empty Block (label) printEntry::entryTsLen1_@1
@@ -235,7 +236,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@33
+  to:@34
 print_str: scope:[print_str]  from main::@20 main::@25 main::@28 main::@33 printEntry printEntry::@16 printEntry::@19 printEntry::@22 printEntry::@25 printEntry::@28 printEntry::@31 printEntry::@34 printEntry::@37 printEntry::@40 printEntry::@43 printEntry::@46 printEntry::@49
   (byte*) print_char_cursor#164 ← phi( main::@20/(byte*) print_char_cursor#15 main::@25/(byte*) print_char_cursor#20 main::@28/(byte*) print_char_cursor#22 main::@33/(byte*) print_char_cursor#27 printEntry/(byte*) print_char_cursor#149 printEntry::@16/(byte*) print_char_cursor#33 printEntry::@19/(byte*) print_char_cursor#36 printEntry::@22/(byte*) print_char_cursor#39 printEntry::@25/(byte*) print_char_cursor#42 printEntry::@28/(byte*) print_char_cursor#45 printEntry::@31/(byte*) print_char_cursor#48 printEntry::@34/(byte*) print_char_cursor#51 printEntry::@37/(byte*) print_char_cursor#54 printEntry::@40/(byte*) print_char_cursor#57 printEntry::@43/(byte*) print_char_cursor#60 printEntry::@46/(byte*) print_char_cursor#63 printEntry::@49/(byte*) print_char_cursor#66 )
   (byte*) print_str::str#20 ← phi( main::@20/(byte*) print_str::str#1 main::@25/(byte*) print_str::str#2 main::@28/(byte*) print_str::str#3 main::@33/(byte*) print_str::str#4 printEntry/(byte*) print_str::str#5 printEntry::@16/(byte*) print_str::str#6 printEntry::@19/(byte*) print_str::str#7 printEntry::@22/(byte*) print_str::str#8 printEntry::@25/(byte*) print_str::str#9 printEntry::@28/(byte*) print_str::str#10 printEntry::@31/(byte*) print_str::str#11 printEntry::@34/(byte*) print_str::str#12 printEntry::@37/(byte*) print_str::str#13 printEntry::@40/(byte*) print_str::str#14 printEntry::@43/(byte*) print_str::str#15 printEntry::@46/(byte*) print_str::str#16 printEntry::@49/(byte*) print_str::str#17 )
@@ -305,12 +306,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#7 ← (byte*) print_char_cursor#78
   return 
   to:@return
-@33: scope:[]  from @17
+@34: scope:[]  from @17
   (byte*) print_screen#39 ← phi( @17/(byte*) print_screen#0 )
   (byte*) print_char_cursor#201 ← phi( @17/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#134 ← phi( @17/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $3
-  to:@40
+  to:@41
 print_byte: scope:[print_byte]  from printEntry::@10 printEntry::@11 printEntry::@12 printEntry::@13 printEntry::@5 printEntry::@6 printEntry::@7 printEntry::@8 print_word print_word::@1
   (byte*) print_char_cursor#145 ← phi( printEntry::@10/(byte*) print_char_cursor#159 printEntry::@11/(byte*) print_char_cursor#160 printEntry::@12/(byte*) print_char_cursor#161 printEntry::@13/(byte*) print_char_cursor#162 printEntry::@5/(byte*) print_char_cursor#154 printEntry::@6/(byte*) print_char_cursor#155 printEntry::@7/(byte*) print_char_cursor#156 printEntry::@8/(byte*) print_char_cursor#157 print_word/(byte*) print_char_cursor#144 print_word::@1/(byte*) print_char_cursor#5 )
   (byte) print_byte::b#10 ← phi( printEntry::@10/(byte) print_byte::b#6 printEntry::@11/(byte) print_byte::b#7 printEntry::@12/(byte) print_byte::b#8 printEntry::@13/(byte) print_byte::b#9 printEntry::@5/(byte) print_byte::b#2 printEntry::@6/(byte) print_byte::b#3 printEntry::@7/(byte) print_byte::b#4 printEntry::@8/(byte) print_byte::b#5 print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -366,23 +367,23 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#14 ← (byte*) print_char_cursor#84
   return 
   to:@return
-@40: scope:[]  from @33
-  (byte*) print_screen#38 ← phi( @33/(byte*) print_screen#39 )
-  (byte*) print_char_cursor#199 ← phi( @33/(byte*) print_char_cursor#201 )
-  (byte*) print_line_cursor#117 ← phi( @33/(byte*) print_line_cursor#134 )
+@41: scope:[]  from @34
+  (byte*) print_screen#38 ← phi( @34/(byte*) print_screen#39 )
+  (byte*) print_char_cursor#199 ← phi( @34/(byte*) print_char_cursor#201 )
+  (byte*) print_line_cursor#117 ← phi( @34/(byte*) print_line_cursor#134 )
   (byte*) CIA1_PORT_A#0 ← ((byte*)) (number) $dc00
   (byte*) CIA1_PORT_B#0 ← ((byte*)) (number) $dc01
   (byte*) CIA1_PORT_A_DDR#0 ← ((byte*)) (number) $dc02
   (byte*) CIA1_PORT_B_DDR#0 ← ((byte*)) (number) $dc03
-  to:@44
-@44: scope:[]  from @40
-  (byte*) print_screen#37 ← phi( @40/(byte*) print_screen#38 )
-  (byte*) print_char_cursor#182 ← phi( @40/(byte*) print_char_cursor#199 )
-  (byte*) print_line_cursor#100 ← phi( @40/(byte*) print_line_cursor#117 )
+  to:@45
+@45: scope:[]  from @41
+  (byte*) print_screen#37 ← phi( @41/(byte*) print_screen#38 )
+  (byte*) print_char_cursor#182 ← phi( @41/(byte*) print_char_cursor#199 )
+  (byte*) print_line_cursor#100 ← phi( @41/(byte*) print_line_cursor#117 )
   (byte) KEY_SPACE#0 ← (number) $3c
   (byte[8]) keyboard_matrix_row_bitmask#0 ← { (number) $fe, (number) $fd, (number) $fb, (number) $f7, (number) $ef, (number) $df, (number) $bf, (number) $7f }
   (byte[8]) keyboard_matrix_col_bitmask#0 ← { (number) 1, (number) 2, (number) 4, (number) 8, (number) $10, (number) $20, (number) $40, (number) $80 }
-  to:@51
+  to:@52
 keyboard_init: scope:[keyboard_init]  from main
   *((byte*) CIA1_PORT_A_DDR#0) ← (number) $ff
   *((byte*) CIA1_PORT_B_DDR#0) ← (number) 0
@@ -424,20 +425,20 @@ keyboard_key_pressed::@return: scope:[keyboard_key_pressed]  from keyboard_key_p
   (byte) keyboard_key_pressed::return#1 ← (byte) keyboard_key_pressed::return#4
   return 
   to:@return
-@51: scope:[]  from @44
-  (byte*) print_screen#36 ← phi( @44/(byte*) print_screen#37 )
-  (byte*) print_char_cursor#181 ← phi( @44/(byte*) print_char_cursor#182 )
-  (byte*) print_line_cursor#99 ← phi( @44/(byte*) print_line_cursor#100 )
+@52: scope:[]  from @45
+  (byte*) print_screen#36 ← phi( @45/(byte*) print_screen#37 )
+  (byte*) print_char_cursor#181 ← phi( @45/(byte*) print_char_cursor#182 )
+  (byte*) print_line_cursor#99 ← phi( @45/(byte*) print_line_cursor#100 )
   (byte) SIZEOF_ENTRY#0 ← (number) $12
   (byte) MAX_FILES#0 ← (number) $90
   (word~) $1 ← ((word)) (byte) MAX_FILES#0
   (word~) $2 ← (word~) $1 * (byte) SIZEOF_ENTRY#0
   (byte[$2]) files#0 ← { fill( $2, 0) }
-  to:@68
-main: scope:[main]  from @68
-  (byte*) print_char_cursor#209 ← phi( @68/(byte*) print_char_cursor#163 )
-  (byte*) print_line_cursor#156 ← phi( @68/(byte*) print_line_cursor#82 )
-  (byte*) print_screen#34 ← phi( @68/(byte*) print_screen#35 )
+  to:@69
+main: scope:[main]  from @69
+  (byte*) print_char_cursor#209 ← phi( @69/(byte*) print_char_cursor#163 )
+  (byte*) print_line_cursor#156 ← phi( @69/(byte*) print_line_cursor#82 )
+  (byte*) print_screen#34 ← phi( @69/(byte*) print_screen#35 )
   call keyboard_init 
   to:main::@15
 main::@15: scope:[main]  from main
@@ -1664,31 +1665,31 @@ printEntry::@return: scope:[printEntry]  from printEntry::@52
   (byte*) print_line_cursor#30 ← (byte*) print_line_cursor#61
   return 
   to:@return
-@68: scope:[]  from @51
-  (byte*) print_screen#35 ← phi( @51/(byte*) print_screen#36 )
-  (byte*) print_char_cursor#163 ← phi( @51/(byte*) print_char_cursor#181 )
-  (byte*) print_line_cursor#82 ← phi( @51/(byte*) print_line_cursor#99 )
+@69: scope:[]  from @52
+  (byte*) print_screen#35 ← phi( @52/(byte*) print_screen#36 )
+  (byte*) print_char_cursor#163 ← phi( @52/(byte*) print_char_cursor#181 )
+  (byte*) print_line_cursor#82 ← phi( @52/(byte*) print_line_cursor#99 )
   call main 
-  to:@69
-@69: scope:[]  from @68
-  (byte*) print_char_cursor#141 ← phi( @68/(byte*) print_char_cursor#30 )
-  (byte*) print_line_cursor#62 ← phi( @68/(byte*) print_line_cursor#16 )
+  to:@70
+@70: scope:[]  from @69
+  (byte*) print_char_cursor#141 ← phi( @69/(byte*) print_char_cursor#30 )
+  (byte*) print_line_cursor#62 ← phi( @69/(byte*) print_line_cursor#16 )
   (byte*) print_line_cursor#31 ← (byte*) print_line_cursor#62
   (byte*) print_char_cursor#71 ← (byte*) print_char_cursor#141
   to:@end
-@end: scope:[]  from @69
+@end: scope:[]  from @70
 
 SYMBOL TABLE SSA
 (word~) $1
 (word~) $2
 (const string) $3 = (string) "0123456789abcdef"
 (label) @17
-(label) @33
-(label) @40
-(label) @44
-(label) @51
-(label) @68
+(label) @34
+(label) @41
+(label) @45
+(label) @52
 (label) @69
+(label) @70
 (label) @begin
 (label) @end
 (byte*) CIA1_PORT_A
@@ -3898,12 +3899,12 @@ Added new block during phi lifting memset::@6(between memset::@4 and memset::@4)
 Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @17
-Adding NOP phi() at start of @33
-Adding NOP phi() at start of @40
-Adding NOP phi() at start of @44
-Adding NOP phi() at start of @51
-Adding NOP phi() at start of @68
+Adding NOP phi() at start of @34
+Adding NOP phi() at start of @41
+Adding NOP phi() at start of @45
+Adding NOP phi() at start of @52
 Adding NOP phi() at start of @69
+Adding NOP phi() at start of @70
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@15
@@ -4104,11 +4105,11 @@ Coalesced [371] mul8u::mb#6 ← mul8u::mb#1
 Coalesced (already) [372] mul8u::res#8 ← mul8u::res#2
 Coalesced down to 14 phi equivalence classes
 Culled Empty Block (label) @17
-Culled Empty Block (label) @33
-Culled Empty Block (label) @40
-Culled Empty Block (label) @44
-Culled Empty Block (label) @51
-Culled Empty Block (label) @69
+Culled Empty Block (label) @34
+Culled Empty Block (label) @41
+Culled Empty Block (label) @45
+Culled Empty Block (label) @52
+Culled Empty Block (label) @70
 Culled Empty Block (label) main::@15
 Culled Empty Block (label) main::fileEntry1_@return
 Culled Empty Block (label) main::@13
@@ -4165,7 +4166,7 @@ Culled Empty Block (label) initEntry::entryTHi1_@return
 Culled Empty Block (label) initEntry::entryTLo1_@return
 Culled Empty Block (label) mul8u::@3
 Culled Empty Block (label) mul8u::@10
-Renumbering block @68 to @1
+Renumbering block @69 to @1
 Renumbering block mul8u::@4 to mul8u::@3
 Renumbering block mul8u::@7 to mul8u::@4
 Renumbering block memset::@4 to memset::@1
diff --git a/src/test/ref/sieve.log b/src/test/ref/sieve.log
index 39800e6c0..5c730fba0 100644
--- a/src/test/ref/sieve.log
+++ b/src/test/ref/sieve.log
@@ -74,7 +74,7 @@ Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
-Culled Empty Block (label) @40
+Culled Empty Block (label) @39
 Culled Empty Block (label) @41
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
@@ -83,6 +83,7 @@ Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
 Culled Empty Block (label) @48
+Culled Empty Block (label) @49
 Culled Empty Block (label) main::toD0181_@1
 Culled Empty Block (label) main::@11
 Culled Empty Block (label) main::@12
@@ -709,7 +710,7 @@ print_ln::@return: scope:[print_ln]  from print_ln::@2
   (byte*) print_char_cursor#78 ← phi( @26/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#38 ← phi( @26/(byte*) print_line_cursor#0 )
   (byte[6]) decimal_digits#0 ← { fill( 6, 0) }
-  to:@39
+  to:@40
 print_word_decimal: scope:[print_word_decimal]  from main::@17 main::@29 main::@36
   (byte*) print_char_cursor#67 ← phi( main::@17/(byte*) print_char_cursor#62 main::@29/(byte*) print_char_cursor#16 main::@36/(byte*) print_char_cursor#19 )
   (word) print_word_decimal::w#3 ← phi( main::@17/(word) print_word_decimal::w#2 main::@29/(word) print_word_decimal::w#0 main::@36/(word) print_word_decimal::w#1 )
@@ -732,13 +733,13 @@ print_word_decimal::@return: scope:[print_word_decimal]  from print_word_decimal
   (byte*) print_char_cursor#6 ← (byte*) print_char_cursor#34
   return 
   to:@return
-@39: scope:[]  from @36
+@40: scope:[]  from @36
   (byte*) print_screen#9 ← phi( @36/(byte*) print_screen#10 )
   (word) rem16u#24 ← phi( @36/(word) rem16u#27 )
   (byte*) print_char_cursor#75 ← phi( @36/(byte*) print_char_cursor#78 )
   (byte*) print_line_cursor#34 ← phi( @36/(byte*) print_line_cursor#38 )
   (byte[$b]) decimal_digits_long#0 ← { fill( $b, 0) }
-  to:@49
+  to:@50
 print_dword_decimal: scope:[print_dword_decimal]  from main::@38
   (byte*) print_char_cursor#68 ← phi( main::@38/(byte*) print_char_cursor#21 )
   (dword) print_dword_decimal::w#1 ← phi( main::@38/(dword) print_dword_decimal::w#0 )
@@ -792,21 +793,21 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#12 ← (byte*) print_char_cursor#39
   return 
   to:@return
-@49: scope:[]  from @39
-  (byte*) print_screen#8 ← phi( @39/(byte*) print_screen#9 )
-  (word) rem16u#23 ← phi( @39/(word) rem16u#24 )
-  (byte*) print_char_cursor#74 ← phi( @39/(byte*) print_char_cursor#75 )
-  (byte*) print_line_cursor#33 ← phi( @39/(byte*) print_line_cursor#34 )
+@50: scope:[]  from @40
+  (byte*) print_screen#8 ← phi( @40/(byte*) print_screen#9 )
+  (word) rem16u#23 ← phi( @40/(word) rem16u#24 )
+  (byte*) print_char_cursor#74 ← phi( @40/(byte*) print_char_cursor#75 )
+  (byte*) print_line_cursor#33 ← phi( @40/(byte*) print_line_cursor#34 )
   (byte*) SCREEN#0 ← ((byte*)) (number) $400
   (word) COUNT#0 ← (number) $4000
   (byte) SQRT_COUNT#0 ← (number) $80
   (byte*) sieve#0 ← ((byte*)) (number) $1000
-  to:@50
-main: scope:[main]  from @50
-  (word) rem16u#57 ← phi( @50/(word) rem16u#19 )
-  (byte*) print_char_cursor#79 ← phi( @50/(byte*) print_char_cursor#65 )
-  (byte*) print_line_cursor#39 ← phi( @50/(byte*) print_line_cursor#27 )
-  (byte*) print_screen#6 ← phi( @50/(byte*) print_screen#7 )
+  to:@51
+main: scope:[main]  from @51
+  (word) rem16u#57 ← phi( @51/(word) rem16u#19 )
+  (byte*) print_char_cursor#79 ← phi( @51/(byte*) print_char_cursor#65 )
+  (byte*) print_line_cursor#39 ← phi( @51/(byte*) print_line_cursor#27 )
+  (byte*) print_screen#6 ← phi( @51/(byte*) print_screen#7 )
   (byte*) main::toD0181_screen#0 ← (byte*) SCREEN#0
   (byte*) main::toD0181_gfx#0 ← (byte*)(number) $1800
   to:main::toD0181
@@ -1131,22 +1132,22 @@ main::@return: scope:[main]  from main::@19
   (word) rem16u#7 ← (word) rem16u#14
   return 
   to:@return
-@50: scope:[]  from @49
-  (byte*) print_screen#7 ← phi( @49/(byte*) print_screen#8 )
-  (word) rem16u#19 ← phi( @49/(word) rem16u#23 )
-  (byte*) print_char_cursor#65 ← phi( @49/(byte*) print_char_cursor#74 )
-  (byte*) print_line_cursor#27 ← phi( @49/(byte*) print_line_cursor#33 )
-  call main 
-  to:@51
 @51: scope:[]  from @50
-  (word) rem16u#15 ← phi( @50/(word) rem16u#7 )
-  (byte*) print_char_cursor#55 ← phi( @50/(byte*) print_char_cursor#27 )
-  (byte*) print_line_cursor#20 ← phi( @50/(byte*) print_line_cursor#9 )
+  (byte*) print_screen#7 ← phi( @50/(byte*) print_screen#8 )
+  (word) rem16u#19 ← phi( @50/(word) rem16u#23 )
+  (byte*) print_char_cursor#65 ← phi( @50/(byte*) print_char_cursor#74 )
+  (byte*) print_line_cursor#27 ← phi( @50/(byte*) print_line_cursor#33 )
+  call main 
+  to:@52
+@52: scope:[]  from @51
+  (word) rem16u#15 ← phi( @51/(word) rem16u#7 )
+  (byte*) print_char_cursor#55 ← phi( @51/(byte*) print_char_cursor#27 )
+  (byte*) print_line_cursor#20 ← phi( @51/(byte*) print_line_cursor#9 )
   (byte*) print_line_cursor#10 ← (byte*) print_line_cursor#20
   (byte*) print_char_cursor#28 ← (byte*) print_char_cursor#55
   (word) rem16u#8 ← (word) rem16u#15
   to:@end
-@end: scope:[]  from @51
+@end: scope:[]  from @52
 
 SYMBOL TABLE SSA
 (word~) $0
@@ -1156,11 +1157,11 @@ SYMBOL TABLE SSA
 (label) @24
 (label) @26
 (label) @36
-(label) @39
 (label) @4
-(label) @49
+(label) @40
 (label) @50
 (label) @51
+(label) @52
 (label) @8
 (label) @begin
 (label) @end
@@ -3130,10 +3131,10 @@ Adding NOP phi() at start of @22
 Adding NOP phi() at start of @24
 Adding NOP phi() at start of @26
 Adding NOP phi() at start of @36
-Adding NOP phi() at start of @39
-Adding NOP phi() at start of @49
+Adding NOP phi() at start of @40
 Adding NOP phi() at start of @50
 Adding NOP phi() at start of @51
+Adding NOP phi() at start of @52
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::toD0181
@@ -3248,9 +3249,9 @@ Culled Empty Block (label) @22
 Culled Empty Block (label) @24
 Culled Empty Block (label) @26
 Culled Empty Block (label) @36
-Culled Empty Block (label) @39
-Culled Empty Block (label) @49
-Culled Empty Block (label) @51
+Culled Empty Block (label) @40
+Culled Empty Block (label) @50
+Culled Empty Block (label) @52
 Culled Empty Block (label) main::toD0181_@return
 Culled Empty Block (label) main::@33
 Culled Empty Block (label) main::@40
@@ -3275,7 +3276,7 @@ Culled Empty Block (label) divr16u::@9
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
 Culled Empty Block (label) print_cls::@1
-Renumbering block @50 to @1
+Renumbering block @51 to @1
 Renumbering block memset::@2 to memset::@1
 Renumbering block memset::@4 to memset::@2
 Renumbering block div32u16u::@2 to div32u16u::@1
diff --git a/src/test/ref/signed-indexed-subtract.log b/src/test/ref/signed-indexed-subtract.log
index 40df48d26..798ee4bae 100644
--- a/src/test/ref/signed-indexed-subtract.log
+++ b/src/test/ref/signed-indexed-subtract.log
@@ -37,14 +37,15 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 Culled Empty Block (label) main::@4
-Culled Empty Block (label) @36
+Culled Empty Block (label) @37
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -89,7 +90,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_ln: scope:[print_ln]  from main::@9
   (byte*) print_char_cursor#42 ← phi( main::@9/(byte*) print_char_cursor#18 )
   (byte*) print_line_cursor#17 ← phi( main::@9/(byte*) print_line_cursor#19 )
@@ -183,12 +184,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#30
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#11 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#54 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#24 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@35
+  to:@36
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#47 ← phi( print_word/(byte*) print_char_cursor#46 print_word::@1/(byte*) print_char_cursor#7 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -244,16 +245,16 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#16 ← (byte*) print_char_cursor#36
   return 
   to:@return
-@35: scope:[]  from @28
-  (byte*) print_screen#10 ← phi( @28/(byte*) print_screen#11 )
-  (byte*) print_char_cursor#53 ← phi( @28/(byte*) print_char_cursor#54 )
-  (byte*) print_line_cursor#23 ← phi( @28/(byte*) print_line_cursor#24 )
+@36: scope:[]  from @29
+  (byte*) print_screen#10 ← phi( @29/(byte*) print_screen#11 )
+  (byte*) print_char_cursor#53 ← phi( @29/(byte*) print_char_cursor#54 )
+  (byte*) print_line_cursor#23 ← phi( @29/(byte*) print_line_cursor#24 )
   (signed word[]) words#0 ← { (number) -$6000, (number) -$600, (number) -$60, (number) -6, (number) 0, (number) 6, (number) $60, (number) $600, (number) $6000 }
-  to:@37
-main: scope:[main]  from @37
-  (byte*) print_char_cursor#58 ← phi( @37/(byte*) print_char_cursor#50 )
-  (byte*) print_line_cursor#28 ← phi( @37/(byte*) print_line_cursor#20 )
-  (byte*) print_screen#8 ← phi( @37/(byte*) print_screen#9 )
+  to:@38
+main: scope:[main]  from @38
+  (byte*) print_char_cursor#58 ← phi( @38/(byte*) print_char_cursor#50 )
+  (byte*) print_line_cursor#28 ← phi( @38/(byte*) print_line_cursor#20 )
+  (byte*) print_screen#8 ← phi( @38/(byte*) print_screen#9 )
   (byte) main::i#0 ← (byte) 0
   to:main::@1
 main::@1: scope:[main]  from main main::@7
@@ -346,27 +347,27 @@ sub: scope:[sub]  from main::@1 main::@5 main::@6
 sub::@return: scope:[sub]  from sub
   return 
   to:@return
-@37: scope:[]  from @35
-  (byte*) print_screen#9 ← phi( @35/(byte*) print_screen#10 )
-  (byte*) print_char_cursor#50 ← phi( @35/(byte*) print_char_cursor#53 )
-  (byte*) print_line_cursor#20 ← phi( @35/(byte*) print_line_cursor#23 )
+@38: scope:[]  from @36
+  (byte*) print_screen#9 ← phi( @36/(byte*) print_screen#10 )
+  (byte*) print_char_cursor#50 ← phi( @36/(byte*) print_char_cursor#53 )
+  (byte*) print_line_cursor#20 ← phi( @36/(byte*) print_line_cursor#23 )
   call main 
-  to:@38
-@38: scope:[]  from @37
-  (byte*) print_char_cursor#41 ← phi( @37/(byte*) print_char_cursor#20 )
-  (byte*) print_line_cursor#16 ← phi( @37/(byte*) print_line_cursor#7 )
+  to:@39
+@39: scope:[]  from @38
+  (byte*) print_char_cursor#41 ← phi( @38/(byte*) print_char_cursor#20 )
+  (byte*) print_line_cursor#16 ← phi( @38/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#8 ← (byte*) print_line_cursor#16
   (byte*) print_char_cursor#21 ← (byte*) print_char_cursor#41
   to:@end
-@end: scope:[]  from @38
+@end: scope:[]  from @39
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @35
-(label) @37
+(label) @29
+(label) @36
 (label) @38
+(label) @39
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -835,10 +836,10 @@ Added new block during phi lifting main::@11(between main::@7 and main::@1)
 Added new block during phi lifting main::@12(between main::@10 and main::@3)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @37
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @36
 Adding NOP phi() at start of @38
+Adding NOP phi() at start of @39
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@2
@@ -884,9 +885,9 @@ Coalesced (already) [78] print_char_cursor#60 ← print_char_cursor#13
 Coalesced [94] memset::dst#3 ← memset::dst#1
 Coalesced down to 10 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @35
-Culled Empty Block (label) @38
+Culled Empty Block (label) @29
+Culled Empty Block (label) @36
+Culled Empty Block (label) @39
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) main::@11
 Culled Empty Block (label) print_ln::@2
@@ -899,7 +900,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @37 to @1
+Renumbering block @38 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block main::@5 to main::@4
diff --git a/src/test/ref/sinus-basic.log b/src/test/ref/sinus-basic.log
index 147fb7e0d..7d6d44965 100644
--- a/src/test/ref/sinus-basic.log
+++ b/src/test/ref/sinus-basic.log
@@ -31,16 +31,16 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
-Culled Empty Block (label) @36
+Culled Empty Block (label) @35
 Culled Empty Block (label) @37
-Culled Empty Block (label) getFAC::@1
 Culled Empty Block (label) @38
+Culled Empty Block (label) getFAC::@1
 Culled Empty Block (label) @39
 Culled Empty Block (label) @40
 Culled Empty Block (label) @41
@@ -65,6 +65,7 @@ Culled Empty Block (label) @59
 Culled Empty Block (label) @60
 Culled Empty Block (label) @61
 Culled Empty Block (label) @62
+Culled Empty Block (label) @63
 Culled Empty Block (label) main::@2
 
 CONTROL FLOW GRAPH SSA
@@ -74,7 +75,7 @@ CONTROL FLOW GRAPH SSA
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_ln: scope:[print_ln]  from main::@15
   (byte*) print_char_cursor#29 ← phi( main::@15/(byte*) print_char_cursor#11 )
   (byte*) print_line_cursor#12 ← phi( main::@15/(byte*) print_line_cursor#13 )
@@ -122,11 +123,11 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#5 ← (byte*) print_char_cursor#19
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_line_cursor#17 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte*) print_char_cursor#36 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@35
+  to:@36
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#31 ← phi( print_word/(byte*) print_char_cursor#30 print_word::@1/(byte*) print_char_cursor#3 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -162,12 +163,12 @@ print_char::@return: scope:[print_char]  from print_char
   (byte*) print_char_cursor#10 ← (byte*) print_char_cursor#24
   return 
   to:@return
-@35: scope:[]  from @28
-  (byte*) print_line_cursor#16 ← phi( @28/(byte*) print_line_cursor#17 )
-  (byte*) print_char_cursor#35 ← phi( @28/(byte*) print_char_cursor#36 )
+@36: scope:[]  from @29
+  (byte*) print_line_cursor#16 ← phi( @29/(byte*) print_line_cursor#17 )
+  (byte*) print_char_cursor#35 ← phi( @29/(byte*) print_char_cursor#36 )
   (byte*) memLo#0 ← ((byte*)) (number) $fe
   (byte*) memHi#0 ← ((byte*)) (number) $ff
-  to:@63
+  to:@64
 prepareMEM: scope:[prepareMEM]  from addMEMtoFAC divMEMbyFAC mulFACbyMEM setFAC setMEMtoFAC
   (byte*) prepareMEM::mem#5 ← phi( addMEMtoFAC/(byte*) prepareMEM::mem#2 divMEMbyFAC/(byte*) prepareMEM::mem#3 mulFACbyMEM/(byte*) prepareMEM::mem#4 setFAC/(byte*) prepareMEM::mem#0 setMEMtoFAC/(byte*) prepareMEM::mem#1 )
   (byte~) prepareMEM::$0 ← < (byte*) prepareMEM::mem#5
@@ -256,9 +257,9 @@ divFACby10: scope:[divFACby10]  from main::@3
 divFACby10::@return: scope:[divFACby10]  from divFACby10
   return 
   to:@return
-main: scope:[main]  from @63
-  (byte*) print_line_cursor#30 ← phi( @63/(byte*) print_line_cursor#14 )
-  (byte*) print_char_cursor#48 ← phi( @63/(byte*) print_char_cursor#33 )
+main: scope:[main]  from @64
+  (byte*) print_line_cursor#30 ← phi( @64/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#48 ← phi( @64/(byte*) print_char_cursor#33 )
   (byte[]) main::f_i#0 ← { (number) 0, (number) 0, (number) 0, (number) 0, (number) 0 }
   (byte[]) main::f_127#0 ← { (number) 0, (number) 0, (number) 0, (number) 0, (number) 0 }
   (byte*) main::f_2pi#0 ← ((byte*)) (number) $e2e5
@@ -377,26 +378,26 @@ main::@return: scope:[main]  from main::@16
   (byte*) print_line_cursor#4 ← (byte*) print_line_cursor#10
   return 
   to:@return
-@63: scope:[]  from @35
-  (byte*) print_line_cursor#14 ← phi( @35/(byte*) print_line_cursor#16 )
-  (byte*) print_char_cursor#33 ← phi( @35/(byte*) print_char_cursor#35 )
+@64: scope:[]  from @36
+  (byte*) print_line_cursor#14 ← phi( @36/(byte*) print_line_cursor#16 )
+  (byte*) print_char_cursor#33 ← phi( @36/(byte*) print_char_cursor#35 )
   call main 
-  to:@64
-@64: scope:[]  from @63
-  (byte*) print_line_cursor#11 ← phi( @63/(byte*) print_line_cursor#4 )
-  (byte*) print_char_cursor#28 ← phi( @63/(byte*) print_char_cursor#13 )
+  to:@65
+@65: scope:[]  from @64
+  (byte*) print_line_cursor#11 ← phi( @64/(byte*) print_line_cursor#4 )
+  (byte*) print_char_cursor#28 ← phi( @64/(byte*) print_char_cursor#13 )
   (byte*) print_char_cursor#14 ← (byte*) print_char_cursor#28
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#11
   to:@end
-@end: scope:[]  from @64
+@end: scope:[]  from @65
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @35
-(label) @63
+(label) @29
+(label) @36
 (label) @64
+(label) @65
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -787,10 +788,10 @@ Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_l
 Added new block during phi lifting main::@17(between main::@16 and main::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @63
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @36
 Adding NOP phi() at start of @64
+Adding NOP phi() at start of @65
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -841,15 +842,15 @@ Coalesced [107] prepareMEM::mem#7 ← prepareMEM::mem#0
 Coalesced [113] prepareMEM::mem#8 ← prepareMEM::mem#1
 Coalesced down to 9 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @35
-Culled Empty Block (label) @64
+Culled Empty Block (label) @29
+Culled Empty Block (label) @36
+Culled Empty Block (label) @65
 Culled Empty Block (label) main::@5
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
 Culled Empty Block (label) print_word::@2
 Culled Empty Block (label) print_byte::@2
-Renumbering block @63 to @1
+Renumbering block @64 to @1
 Renumbering block main::@3 to main::@2
 Renumbering block main::@4 to main::@3
 Renumbering block main::@6 to main::@4
diff --git a/src/test/ref/sinusgen16.log b/src/test/ref/sinusgen16.log
index 824d86624..e5cba3be7 100644
--- a/src/test/ref/sinusgen16.log
+++ b/src/test/ref/sinusgen16.log
@@ -70,13 +70,14 @@ Culled Empty Block (label) @44
 Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
-Culled Empty Block (label) @49
+Culled Empty Block (label) @48
 Culled Empty Block (label) @50
 Culled Empty Block (label) @51
 Culled Empty Block (label) @52
 Culled Empty Block (label) @53
 Culled Empty Block (label) @54
 Culled Empty Block (label) @55
+Culled Empty Block (label) @56
 Culled Empty Block (label) main::@4
 
 CONTROL FLOW GRAPH SSA
@@ -495,7 +496,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@48
+  to:@49
 print_str: scope:[print_str]  from main::@3 main::@7
   (byte*) print_char_cursor#54 ← phi( main::@3/(byte*) print_char_cursor#52 main::@7/(byte*) print_char_cursor#18 )
   (byte*) print_str::str#5 ← phi( main::@3/(byte*) print_str::str#2 main::@7/(byte*) print_str::str#1 )
@@ -588,13 +589,13 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#31
   return 
   to:@return
-@48: scope:[]  from @32
+@49: scope:[]  from @32
   (byte*) print_screen#6 ← phi( @32/(byte*) print_screen#0 )
   (byte*) print_char_cursor#58 ← phi( @32/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#15 ← phi( @32/(byte*) print_line_cursor#0 )
   (word) rem16u#28 ← phi( @32/(word) rem16u#29 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@56
+  to:@57
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#49 ← phi( print_word/(byte*) print_char_cursor#48 print_word::@1/(byte*) print_char_cursor#7 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -650,11 +651,11 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#16 ← (byte*) print_char_cursor#37
   return 
   to:@return
-main: scope:[main]  from @56
-  (byte*) print_char_cursor#56 ← phi( @56/(byte*) print_char_cursor#53 )
-  (byte*) print_line_cursor#13 ← phi( @56/(byte*) print_line_cursor#12 )
-  (byte*) print_screen#4 ← phi( @56/(byte*) print_screen#5 )
-  (word) rem16u#23 ← phi( @56/(word) rem16u#25 )
+main: scope:[main]  from @57
+  (byte*) print_char_cursor#56 ← phi( @57/(byte*) print_char_cursor#53 )
+  (byte*) print_line_cursor#13 ← phi( @57/(byte*) print_line_cursor#12 )
+  (byte*) print_screen#4 ← phi( @57/(byte*) print_screen#5 )
+  (word) rem16u#23 ← phi( @57/(word) rem16u#25 )
   (word) main::wavelength#0 ← (number) $78
   (signed word[$78]) main::sintab1#0 ← { fill( $78, 0) }
   (signed word*) sin16s_gen::sintab#1 ← (signed word[$78]) main::sintab1#0
@@ -743,31 +744,31 @@ main::@return: scope:[main]  from main::@8
   (byte*) print_char_cursor#21 ← (byte*) print_char_cursor#42
   return 
   to:@return
-@56: scope:[]  from @48
-  (byte*) print_screen#5 ← phi( @48/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#53 ← phi( @48/(byte*) print_char_cursor#58 )
-  (byte*) print_line_cursor#12 ← phi( @48/(byte*) print_line_cursor#15 )
-  (word) rem16u#25 ← phi( @48/(word) rem16u#28 )
+@57: scope:[]  from @49
+  (byte*) print_screen#5 ← phi( @49/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#53 ← phi( @49/(byte*) print_char_cursor#58 )
+  (byte*) print_line_cursor#12 ← phi( @49/(byte*) print_line_cursor#15 )
+  (word) rem16u#25 ← phi( @49/(word) rem16u#28 )
   call main 
-  to:@57
-@57: scope:[]  from @56
-  (byte*) print_char_cursor#43 ← phi( @56/(byte*) print_char_cursor#21 )
-  (byte*) print_line_cursor#9 ← phi( @56/(byte*) print_line_cursor#4 )
-  (word) rem16u#19 ← phi( @56/(word) rem16u#9 )
+  to:@58
+@58: scope:[]  from @57
+  (byte*) print_char_cursor#43 ← phi( @57/(byte*) print_char_cursor#21 )
+  (byte*) print_line_cursor#9 ← phi( @57/(byte*) print_line_cursor#4 )
+  (word) rem16u#19 ← phi( @57/(word) rem16u#9 )
   (word) rem16u#10 ← (word) rem16u#19
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#9
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#43
   to:@end
-@end: scope:[]  from @57
+@end: scope:[]  from @58
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @13
 (label) @2
 (label) @32
-(label) @48
-(label) @56
+(label) @49
 (label) @57
+(label) @58
 (label) @begin
 (label) @end
 (dword) PI2_u4f28
@@ -1888,9 +1889,9 @@ Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @2
 Adding NOP phi() at start of @13
 Adding NOP phi() at start of @32
-Adding NOP phi() at start of @48
-Adding NOP phi() at start of @56
+Adding NOP phi() at start of @49
 Adding NOP phi() at start of @57
+Adding NOP phi() at start of @58
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@5
@@ -1981,8 +1982,8 @@ Coalesced down to 23 phi equivalence classes
 Culled Empty Block (label) @2
 Culled Empty Block (label) @13
 Culled Empty Block (label) @32
-Culled Empty Block (label) @48
-Culled Empty Block (label) @57
+Culled Empty Block (label) @49
+Culled Empty Block (label) @58
 Culled Empty Block (label) main::@6
 Culled Empty Block (label) main::@9
 Culled Empty Block (label) main::@10
@@ -2003,7 +2004,7 @@ Culled Empty Block (label) mul16u::@10
 Culled Empty Block (label) divr16u::@8
 Culled Empty Block (label) divr16u::@10
 Culled Empty Block (label) divr16u::@9
-Renumbering block @56 to @1
+Renumbering block @57 to @1
 Renumbering block div32u16u::@2 to div32u16u::@1
 Renumbering block div32u16u::@3 to div32u16u::@2
 Renumbering block mul16u::@4 to mul16u::@3
diff --git a/src/test/ref/sinusgen16b.log b/src/test/ref/sinusgen16b.log
index 8c664138a..d3392d209 100644
--- a/src/test/ref/sinusgen16b.log
+++ b/src/test/ref/sinusgen16b.log
@@ -75,13 +75,14 @@ Culled Empty Block (label) @46
 Culled Empty Block (label) @47
 Culled Empty Block (label) @48
 Culled Empty Block (label) @49
-Culled Empty Block (label) @51
+Culled Empty Block (label) @50
 Culled Empty Block (label) @52
 Culled Empty Block (label) @53
 Culled Empty Block (label) @54
 Culled Empty Block (label) @55
 Culled Empty Block (label) @56
 Culled Empty Block (label) @57
+Culled Empty Block (label) @58
 Culled Empty Block (label) main::@4
 
 CONTROL FLOW GRAPH SSA
@@ -676,7 +677,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@50
+  to:@51
 print_str: scope:[print_str]  from main::@3 main::@8
   (byte*) print_char_cursor#54 ← phi( main::@3/(byte*) print_char_cursor#52 main::@8/(byte*) print_char_cursor#18 )
   (byte*) print_str::str#5 ← phi( main::@3/(byte*) print_str::str#2 main::@8/(byte*) print_str::str#1 )
@@ -769,13 +770,13 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#31
   return 
   to:@return
-@50: scope:[]  from @34
+@51: scope:[]  from @34
   (byte*) print_screen#7 ← phi( @34/(byte*) print_screen#0 )
   (byte*) print_char_cursor#58 ← phi( @34/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#15 ← phi( @34/(byte*) print_line_cursor#0 )
   (word) rem16u#37 ← phi( @34/(word) rem16u#38 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@58
+  to:@59
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#49 ← phi( print_word/(byte*) print_char_cursor#48 print_word::@1/(byte*) print_char_cursor#7 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -831,11 +832,11 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#16 ← (byte*) print_char_cursor#37
   return 
   to:@return
-main: scope:[main]  from @58
-  (byte*) print_char_cursor#59 ← phi( @58/(byte*) print_char_cursor#53 )
-  (byte*) print_line_cursor#16 ← phi( @58/(byte*) print_line_cursor#12 )
-  (byte*) print_screen#5 ← phi( @58/(byte*) print_screen#6 )
-  (word) rem16u#31 ← phi( @58/(word) rem16u#33 )
+main: scope:[main]  from @59
+  (byte*) print_char_cursor#59 ← phi( @59/(byte*) print_char_cursor#53 )
+  (byte*) print_line_cursor#16 ← phi( @59/(byte*) print_line_cursor#12 )
+  (byte*) print_screen#5 ← phi( @59/(byte*) print_screen#6 )
+  (word) rem16u#31 ← phi( @59/(word) rem16u#33 )
   (word) main::wavelength#0 ← (number) $78
   (signed word[$78]) main::sintab1#0 ← { fill( $78, 0) }
   (signed word[$78]) main::sintab2#0 ← { fill( $78, 0) }
@@ -950,31 +951,31 @@ main::@return: scope:[main]  from main::@9
   (byte*) print_char_cursor#21 ← (byte*) print_char_cursor#42
   return 
   to:@return
-@58: scope:[]  from @50
-  (byte*) print_screen#6 ← phi( @50/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#53 ← phi( @50/(byte*) print_char_cursor#58 )
-  (byte*) print_line_cursor#12 ← phi( @50/(byte*) print_line_cursor#15 )
-  (word) rem16u#33 ← phi( @50/(word) rem16u#37 )
+@59: scope:[]  from @51
+  (byte*) print_screen#6 ← phi( @51/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#53 ← phi( @51/(byte*) print_char_cursor#58 )
+  (byte*) print_line_cursor#12 ← phi( @51/(byte*) print_line_cursor#15 )
+  (word) rem16u#33 ← phi( @51/(word) rem16u#37 )
   call main 
-  to:@59
-@59: scope:[]  from @58
-  (byte*) print_char_cursor#43 ← phi( @58/(byte*) print_char_cursor#21 )
-  (byte*) print_line_cursor#9 ← phi( @58/(byte*) print_line_cursor#4 )
-  (word) rem16u#25 ← phi( @58/(word) rem16u#12 )
+  to:@60
+@60: scope:[]  from @59
+  (byte*) print_char_cursor#43 ← phi( @59/(byte*) print_char_cursor#21 )
+  (byte*) print_line_cursor#9 ← phi( @59/(byte*) print_line_cursor#4 )
+  (word) rem16u#25 ← phi( @59/(word) rem16u#12 )
   (word) rem16u#13 ← (word) rem16u#25
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#9
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#43
   to:@end
-@end: scope:[]  from @59
+@end: scope:[]  from @60
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @13
 (label) @2
 (label) @34
-(label) @50
-(label) @58
+(label) @51
 (label) @59
+(label) @60
 (label) @begin
 (label) @end
 (dword) PI2_u4f28
@@ -2470,9 +2471,9 @@ Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @2
 Adding NOP phi() at start of @13
 Adding NOP phi() at start of @34
-Adding NOP phi() at start of @50
-Adding NOP phi() at start of @58
+Adding NOP phi() at start of @51
 Adding NOP phi() at start of @59
+Adding NOP phi() at start of @60
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@5
@@ -2586,8 +2587,8 @@ Coalesced down to 31 phi equivalence classes
 Culled Empty Block (label) @2
 Culled Empty Block (label) @13
 Culled Empty Block (label) @34
-Culled Empty Block (label) @50
-Culled Empty Block (label) @59
+Culled Empty Block (label) @51
+Culled Empty Block (label) @60
 Culled Empty Block (label) main::@7
 Culled Empty Block (label) main::@10
 Culled Empty Block (label) main::@11
@@ -2611,7 +2612,7 @@ Culled Empty Block (label) divr16u::@9
 Culled Empty Block (label) sin16s_gen::@5
 Culled Empty Block (label) sin16s::@14
 Culled Empty Block (label) sin16s::@13
-Renumbering block @58 to @1
+Renumbering block @59 to @1
 Renumbering block div32u16u::@2 to div32u16u::@1
 Renumbering block div32u16u::@3 to div32u16u::@2
 Renumbering block mul16u::@4 to mul16u::@3
diff --git a/src/test/ref/sinusgen8.log b/src/test/ref/sinusgen8.log
index 8ef87821a..f9e59d8e5 100644
--- a/src/test/ref/sinusgen8.log
+++ b/src/test/ref/sinusgen8.log
@@ -69,13 +69,14 @@ Culled Empty Block (label) @44
 Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
-Culled Empty Block (label) @49
+Culled Empty Block (label) @48
 Culled Empty Block (label) @50
 Culled Empty Block (label) @51
 Culled Empty Block (label) @52
 Culled Empty Block (label) @53
 Culled Empty Block (label) @54
 Culled Empty Block (label) @55
+Culled Empty Block (label) @56
 Culled Empty Block (label) main::@4
 
 CONTROL FLOW GRAPH SSA
@@ -467,7 +468,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@48
+  to:@49
 print_str: scope:[print_str]  from main::@3 main::@7
   (byte*) print_char_cursor#47 ← phi( main::@3/(byte*) print_char_cursor#45 main::@7/(byte*) print_char_cursor#15 )
   (byte*) print_str::str#5 ← phi( main::@3/(byte*) print_str::str#2 main::@7/(byte*) print_str::str#1 )
@@ -536,12 +537,12 @@ print_sbyte::@return: scope:[print_sbyte]  from print_sbyte::@7
   (byte*) print_char_cursor#6 ← (byte*) print_char_cursor#25
   return 
   to:@return
-@48: scope:[]  from @32
+@49: scope:[]  from @32
   (byte*) print_screen#6 ← phi( @32/(byte*) print_screen#0 )
   (byte*) print_char_cursor#51 ← phi( @32/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#15 ← phi( @32/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@56
+  to:@57
 print_byte: scope:[print_byte]  from print_sbyte::@2
   (byte*) print_char_cursor#42 ← phi( print_sbyte::@2/(byte*) print_char_cursor#41 )
   (byte) print_byte::b#1 ← phi( print_sbyte::@2/(byte) print_byte::b#0 )
@@ -597,10 +598,10 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#13 ← (byte*) print_char_cursor#31
   return 
   to:@return
-main: scope:[main]  from @56
-  (byte*) print_char_cursor#49 ← phi( @56/(byte*) print_char_cursor#46 )
-  (byte*) print_line_cursor#13 ← phi( @56/(byte*) print_line_cursor#12 )
-  (byte*) print_screen#4 ← phi( @56/(byte*) print_screen#5 )
+main: scope:[main]  from @57
+  (byte*) print_char_cursor#49 ← phi( @57/(byte*) print_char_cursor#46 )
+  (byte*) print_line_cursor#13 ← phi( @57/(byte*) print_line_cursor#12 )
+  (byte*) print_screen#4 ← phi( @57/(byte*) print_screen#5 )
   (word) main::wavelength#0 ← (number) $c0
   (signed byte[$c0]) main::sintab2#0 ← { fill( $c0, 0) }
   (byte[]) main::sintabref#0 ← { (number) 0, (number) 4, (number) 8, (number) $c, (number) $11, (number) $15, (number) $19, (number) $1d, (number) $21, (number) $25, (number) $29, (number) $2d, (number) $31, (number) $35, (number) $38, (number) $3c, (number) $40, (number) $43, (number) $47, (number) $4a, (number) $4e, (number) $51, (number) $54, (number) $57, (number) $5a, (number) $5d, (number) $60, (number) $63, (number) $65, (number) $68, (number) $6a, (number) $6c, (number) $6e, (number) $70, (number) $72, (number) $74, (number) $76, (number) $77, (number) $79, (number) $7a, (number) $7b, (number) $7c, (number) $7d, (number) $7e, (number) $7e, (number) $7f, (number) $7f, (number) $7f, (number) $80, (number) $7f, (number) $7f, (number) $7f, (number) $7e, (number) $7e, (number) $7d, (number) $7c, (number) $7b, (number) $7a, (number) $79, (number) $77, (number) $76, (number) $74, (number) $72, (number) $70, (number) $6e, (number) $6c, (number) $6a, (number) $68, (number) $65, (number) $63, (number) $60, (number) $5d, (number) $5a, (number) $57, (number) $54, (number) $51, (number) $4e, (number) $4a, (number) $47, (number) $43, (number) $40, (number) $3c, (number) $38, (number) $35, (number) $31, (number) $2d, (number) $29, (number) $25, (number) $21, (number) $1d, (number) $19, (number) $15, (number) $11, (number) $c, (number) 8, (number) 4, (number) 0, (number) $fc, (number) $f8, (number) $f4, (number) $ef, (number) $eb, (number) $e7, (number) $e3, (number) $df, (number) $db, (number) $d7, (number) $d3, (number) $cf, (number) $cb, (number) $c8, (number) $c4, (number) $c0, (number) $bd, (number) $b9, (number) $b6, (number) $b2, (number) $af, (number) $ac, (number) $a9, (number) $a6, (number) $a3, (number) $a0, (number) $9d, (number) $9b, (number) $98, (number) $96, (number) $94, (number) $92, (number) $90, (number) $8e, (number) $8c, (number) $8a, (number) $89, (number) $87, (number) $86, (number) $85, (number) $84, (number) $83, (number) $82, (number) $82, (number) $81, (number) $81, (number) $81, (number) $81, (number) $81, (number) $81, (number) $81, (number) $82, (number) $82, (number) $83, (number) $84, (number) $85, (number) $86, (number) $87, (number) $89, (number) $8a, (number) $8c, (number) $8e, (number) $90, (number) $92, (number) $94, (number) $96, (number) $98, (number) $9b, (number) $9d, (number) $a0, (number) $a3, (number) $a6, (number) $a9, (number) $ac, (number) $af, (number) $b2, (number) $b6, (number) $b9, (number) $bd, (number) $c0, (number) $c4, (number) $c8, (number) $cb, (number) $cf, (number) $d3, (number) $d7, (number) $db, (number) $df, (number) $e3, (number) $e7, (number) $eb, (number) $ef, (number) $f4, (number) $f8, (number) $fc }
@@ -679,27 +680,27 @@ main::@return: scope:[main]  from main::@8
   (byte*) print_char_cursor#18 ← (byte*) print_char_cursor#36
   return 
   to:@return
-@56: scope:[]  from @48
-  (byte*) print_screen#5 ← phi( @48/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#46 ← phi( @48/(byte*) print_char_cursor#51 )
-  (byte*) print_line_cursor#12 ← phi( @48/(byte*) print_line_cursor#15 )
+@57: scope:[]  from @49
+  (byte*) print_screen#5 ← phi( @49/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#46 ← phi( @49/(byte*) print_char_cursor#51 )
+  (byte*) print_line_cursor#12 ← phi( @49/(byte*) print_line_cursor#15 )
   call main 
-  to:@57
-@57: scope:[]  from @56
-  (byte*) print_char_cursor#37 ← phi( @56/(byte*) print_char_cursor#18 )
-  (byte*) print_line_cursor#9 ← phi( @56/(byte*) print_line_cursor#4 )
+  to:@58
+@58: scope:[]  from @57
+  (byte*) print_char_cursor#37 ← phi( @57/(byte*) print_char_cursor#18 )
+  (byte*) print_line_cursor#9 ← phi( @57/(byte*) print_line_cursor#4 )
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#9
   (byte*) print_char_cursor#19 ← (byte*) print_char_cursor#37
   to:@end
-@end: scope:[]  from @57
+@end: scope:[]  from @58
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @13
 (label) @32
-(label) @48
-(label) @56
+(label) @49
 (label) @57
+(label) @58
 (label) @begin
 (label) @end
 (word) PI2_u4f12
@@ -1907,9 +1908,9 @@ Added new block during phi lifting main::@11(between main::@1 and main::@2)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @13
 Adding NOP phi() at start of @32
-Adding NOP phi() at start of @48
-Adding NOP phi() at start of @56
+Adding NOP phi() at start of @49
 Adding NOP phi() at start of @57
+Adding NOP phi() at start of @58
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@5
@@ -1996,8 +1997,8 @@ Coalesced [218] divr16u::rem#11 ← divr16u::rem#0
 Coalesced down to 23 phi equivalence classes
 Culled Empty Block (label) @13
 Culled Empty Block (label) @32
-Culled Empty Block (label) @48
-Culled Empty Block (label) @57
+Culled Empty Block (label) @49
+Culled Empty Block (label) @58
 Culled Empty Block (label) main::@6
 Culled Empty Block (label) main::@9
 Culled Empty Block (label) main::@10
@@ -2019,7 +2020,7 @@ Culled Empty Block (label) divr16u::@6
 Culled Empty Block (label) divr16u::@8
 Culled Empty Block (label) divr16u::@10
 Culled Empty Block (label) divr16u::@9
-Renumbering block @56 to @1
+Renumbering block @57 to @1
 Renumbering block div16u::@2 to div16u::@1
 Renumbering block mul8u::@4 to mul8u::@3
 Renumbering block mul8u::@7 to mul8u::@4
diff --git a/src/test/ref/sinusgen8b.log b/src/test/ref/sinusgen8b.log
index 3e91dbe86..27d593b94 100644
--- a/src/test/ref/sinusgen8b.log
+++ b/src/test/ref/sinusgen8b.log
@@ -77,13 +77,14 @@ Culled Empty Block (label) @44
 Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
-Culled Empty Block (label) @49
+Culled Empty Block (label) @48
 Culled Empty Block (label) @50
 Culled Empty Block (label) @51
 Culled Empty Block (label) @52
 Culled Empty Block (label) @53
 Culled Empty Block (label) @54
 Culled Empty Block (label) @55
+Culled Empty Block (label) @56
 Culled Empty Block (label) main::@2
 
 CONTROL FLOW GRAPH SSA
@@ -785,7 +786,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@48
+  to:@49
 print_str: scope:[print_str]  from main::@6
   (byte*) print_char_cursor#44 ← phi( main::@6/(byte*) print_char_cursor#15 )
   (byte*) print_str::str#4 ← phi( main::@6/(byte*) print_str::str#1 )
@@ -854,13 +855,13 @@ print_sbyte::@return: scope:[print_sbyte]  from print_sbyte::@7
   (byte*) print_char_cursor#6 ← (byte*) print_char_cursor#24
   return 
   to:@return
-@48: scope:[]  from @32
+@49: scope:[]  from @32
   (byte*) print_screen#7 ← phi( @32/(byte*) print_screen#0 )
   (byte*) print_char_cursor#47 ← phi( @32/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#15 ← phi( @32/(byte*) print_line_cursor#0 )
   (word) rem16u#42 ← phi( @32/(word) rem16u#43 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@56
+  to:@57
 print_byte: scope:[print_byte]  from print_sbyte::@2
   (byte*) print_char_cursor#40 ← phi( print_sbyte::@2/(byte*) print_char_cursor#39 )
   (byte) print_byte::b#1 ← phi( print_sbyte::@2/(byte) print_byte::b#0 )
@@ -916,11 +917,11 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#13 ← (byte*) print_char_cursor#30
   return 
   to:@return
-main: scope:[main]  from @56
-  (byte*) print_char_cursor#48 ← phi( @56/(byte*) print_char_cursor#43 )
-  (byte*) print_line_cursor#16 ← phi( @56/(byte*) print_line_cursor#12 )
-  (byte*) print_screen#5 ← phi( @56/(byte*) print_screen#6 )
-  (word) rem16u#36 ← phi( @56/(word) rem16u#38 )
+main: scope:[main]  from @57
+  (byte*) print_char_cursor#48 ← phi( @57/(byte*) print_char_cursor#43 )
+  (byte*) print_line_cursor#16 ← phi( @57/(byte*) print_line_cursor#12 )
+  (byte*) print_screen#5 ← phi( @57/(byte*) print_screen#6 )
+  (word) rem16u#36 ← phi( @57/(word) rem16u#38 )
   (word) main::wavelength#0 ← (number) $c0
   (signed byte[$c0]) main::sintabb#0 ← { fill( $c0, 0) }
   (signed byte*) sin8s_gen::sintab#1 ← (signed byte[$c0]) main::sintabb#0
@@ -999,31 +1000,31 @@ main::@return: scope:[main]  from main::@7
   (byte*) print_char_cursor#17 ← (byte*) print_char_cursor#34
   return 
   to:@return
-@56: scope:[]  from @48
-  (byte*) print_screen#6 ← phi( @48/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#43 ← phi( @48/(byte*) print_char_cursor#47 )
-  (byte*) print_line_cursor#12 ← phi( @48/(byte*) print_line_cursor#15 )
-  (word) rem16u#38 ← phi( @48/(word) rem16u#42 )
+@57: scope:[]  from @49
+  (byte*) print_screen#6 ← phi( @49/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#43 ← phi( @49/(byte*) print_char_cursor#47 )
+  (byte*) print_line_cursor#12 ← phi( @49/(byte*) print_line_cursor#15 )
+  (word) rem16u#38 ← phi( @49/(word) rem16u#42 )
   call main 
-  to:@57
-@57: scope:[]  from @56
-  (byte*) print_char_cursor#35 ← phi( @56/(byte*) print_char_cursor#17 )
-  (byte*) print_line_cursor#9 ← phi( @56/(byte*) print_line_cursor#4 )
-  (word) rem16u#29 ← phi( @56/(word) rem16u#14 )
+  to:@58
+@58: scope:[]  from @57
+  (byte*) print_char_cursor#35 ← phi( @57/(byte*) print_char_cursor#17 )
+  (byte*) print_line_cursor#9 ← phi( @57/(byte*) print_line_cursor#4 )
+  (word) rem16u#29 ← phi( @57/(word) rem16u#14 )
   (word) rem16u#15 ← (word) rem16u#29
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#9
   (byte*) print_char_cursor#18 ← (byte*) print_char_cursor#35
   to:@end
-@end: scope:[]  from @57
+@end: scope:[]  from @58
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @13
 (label) @2
 (label) @32
-(label) @48
-(label) @56
+(label) @49
 (label) @57
+(label) @58
 (label) @begin
 (label) @end
 (word) PI2_u4f12
@@ -2600,9 +2601,9 @@ Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @2
 Adding NOP phi() at start of @13
 Adding NOP phi() at start of @32
-Adding NOP phi() at start of @48
-Adding NOP phi() at start of @56
+Adding NOP phi() at start of @49
 Adding NOP phi() at start of @57
+Adding NOP phi() at start of @58
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -2719,8 +2720,8 @@ Coalesced down to 35 phi equivalence classes
 Culled Empty Block (label) @2
 Culled Empty Block (label) @13
 Culled Empty Block (label) @32
-Culled Empty Block (label) @48
-Culled Empty Block (label) @57
+Culled Empty Block (label) @49
+Culled Empty Block (label) @58
 Culled Empty Block (label) main::@5
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) print_sbyte::@6
@@ -2744,7 +2745,7 @@ Culled Empty Block (label) sin8s::@16
 Culled Empty Block (label) sin8s::@15
 Culled Empty Block (label) mul8u::@3
 Culled Empty Block (label) mul8u::@10
-Renumbering block @56 to @1
+Renumbering block @57 to @1
 Renumbering block div16u::@2 to div16u::@1
 Renumbering block div32u16u::@2 to div32u16u::@1
 Renumbering block div32u16u::@3 to div32u16u::@2
diff --git a/src/test/ref/sinusgenscale8.log b/src/test/ref/sinusgenscale8.log
index 7bb11621d..4c36e010e 100644
--- a/src/test/ref/sinusgenscale8.log
+++ b/src/test/ref/sinusgenscale8.log
@@ -70,7 +70,7 @@ Culled Empty Block (label) @44
 Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
-Culled Empty Block (label) @49
+Culled Empty Block (label) @48
 Culled Empty Block (label) @50
 Culled Empty Block (label) @51
 Culled Empty Block (label) @52
@@ -78,6 +78,7 @@ Culled Empty Block (label) @53
 Culled Empty Block (label) @54
 Culled Empty Block (label) @55
 Culled Empty Block (label) @56
+Culled Empty Block (label) @57
 Culled Empty Block (label) sin8u_table::@2
 
 CONTROL FLOW GRAPH SSA
@@ -462,7 +463,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@48
+  to:@49
 print_str: scope:[print_str]  from sin8u_table::@11 sin8u_table::@16 sin8u_table::@18 sin8u_table::@20 sin8u_table::@22 sin8u_table::@3 sin8u_table::@5 sin8u_table::@7 sin8u_table::@9
   (byte*) print_char_cursor#108 ← phi( sin8u_table::@11/(byte*) print_char_cursor#33 sin8u_table::@16/(byte*) print_char_cursor#106 sin8u_table::@18/(byte*) print_char_cursor#38 sin8u_table::@20/(byte*) print_char_cursor#40 sin8u_table::@22/(byte*) print_char_cursor#42 sin8u_table::@3/(byte*) print_char_cursor#105 sin8u_table::@5/(byte*) print_char_cursor#27 sin8u_table::@7/(byte*) print_char_cursor#29 sin8u_table::@9/(byte*) print_char_cursor#31 )
   (byte*) print_str::str#12 ← phi( sin8u_table::@11/(byte*) print_str::str#5 sin8u_table::@16/(byte*) print_str::str#6 sin8u_table::@18/(byte*) print_str::str#7 sin8u_table::@20/(byte*) print_str::str#8 sin8u_table::@22/(byte*) print_str::str#9 sin8u_table::@3/(byte*) print_str::str#1 sin8u_table::@5/(byte*) print_str::str#2 sin8u_table::@7/(byte*) print_str::str#3 sin8u_table::@9/(byte*) print_str::str#4 )
@@ -624,12 +625,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#15 ← (byte*) print_char_cursor#62
   return 
   to:@return
-@48: scope:[]  from @32
+@49: scope:[]  from @32
   (byte*) print_screen#5 ← phi( @32/(byte*) print_screen#0 )
   (byte*) print_char_cursor#113 ← phi( @32/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#30 ← phi( @32/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@57
+  to:@58
 print_byte: scope:[print_byte]  from print_sbyte::@2 print_word print_word::@1 sin8u_table::@10 sin8u_table::@12 sin8u_table::@23 sin8u_table::@6 sin8u_table::@8
   (byte*) print_char_cursor#103 ← phi( print_sbyte::@2/(byte*) print_char_cursor#101 print_word/(byte*) print_char_cursor#102 print_word::@1/(byte*) print_char_cursor#13 sin8u_table::@10/(byte*) print_char_cursor#32 sin8u_table::@12/(byte*) print_char_cursor#34 sin8u_table::@23/(byte*) print_char_cursor#43 sin8u_table::@6/(byte*) print_char_cursor#28 sin8u_table::@8/(byte*) print_char_cursor#30 )
   (byte) print_byte::b#8 ← phi( print_sbyte::@2/(byte) print_byte::b#0 print_word/(byte) print_byte::b#1 print_word::@1/(byte) print_byte::b#2 sin8u_table::@10/(byte) print_byte::b#5 sin8u_table::@12/(byte) print_byte::b#6 sin8u_table::@23/(byte) print_byte::b#7 sin8u_table::@6/(byte) print_byte::b#3 sin8u_table::@8/(byte) print_byte::b#4 )
@@ -685,10 +686,10 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#68
   return 
   to:@return
-main: scope:[main]  from @57
-  (byte*) print_char_cursor#104 ← phi( @57/(byte*) print_char_cursor#107 )
-  (byte*) print_line_cursor#24 ← phi( @57/(byte*) print_line_cursor#27 )
-  (byte*) print_screen#3 ← phi( @57/(byte*) print_screen#4 )
+main: scope:[main]  from @58
+  (byte*) print_char_cursor#104 ← phi( @58/(byte*) print_char_cursor#107 )
+  (byte*) print_line_cursor#24 ← phi( @58/(byte*) print_line_cursor#27 )
+  (byte*) print_screen#3 ← phi( @58/(byte*) print_screen#4 )
   (word) main::tabsize#0 ← (number) $14
   (byte[$14]) main::sintab#0 ← { fill( $14, 0) }
   call print_cls 
@@ -1099,27 +1100,27 @@ sin8u_table::@return: scope:[sin8u_table]  from sin8u_table::@25
   (byte*) print_line_cursor#10 ← (byte*) print_line_cursor#21
   return 
   to:@return
-@57: scope:[]  from @48
-  (byte*) print_screen#4 ← phi( @48/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#107 ← phi( @48/(byte*) print_char_cursor#113 )
-  (byte*) print_line_cursor#27 ← phi( @48/(byte*) print_line_cursor#30 )
+@58: scope:[]  from @49
+  (byte*) print_screen#4 ← phi( @49/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#107 ← phi( @49/(byte*) print_char_cursor#113 )
+  (byte*) print_line_cursor#27 ← phi( @49/(byte*) print_line_cursor#30 )
   call main 
-  to:@58
-@58: scope:[]  from @57
-  (byte*) print_char_cursor#93 ← phi( @57/(byte*) print_char_cursor#25 )
-  (byte*) print_line_cursor#22 ← phi( @57/(byte*) print_line_cursor#7 )
+  to:@59
+@59: scope:[]  from @58
+  (byte*) print_char_cursor#93 ← phi( @58/(byte*) print_char_cursor#25 )
+  (byte*) print_line_cursor#22 ← phi( @58/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#11 ← (byte*) print_line_cursor#22
   (byte*) print_char_cursor#47 ← (byte*) print_char_cursor#93
   to:@end
-@end: scope:[]  from @58
+@end: scope:[]  from @59
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @13
 (label) @32
-(label) @48
-(label) @57
+(label) @49
 (label) @58
+(label) @59
 (label) @begin
 (label) @end
 (word) PI2_u4f12
@@ -2684,9 +2685,9 @@ Added new block during phi lifting sin8u_table::@26(between sin8u_table::@25 and
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @13
 Adding NOP phi() at start of @32
-Adding NOP phi() at start of @48
-Adding NOP phi() at start of @57
+Adding NOP phi() at start of @49
 Adding NOP phi() at start of @58
+Adding NOP phi() at start of @59
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -2813,8 +2814,8 @@ Coalesced [306] memset::dst#3 ← memset::dst#1
 Coalesced down to 27 phi equivalence classes
 Culled Empty Block (label) @13
 Culled Empty Block (label) @32
-Culled Empty Block (label) @48
-Culled Empty Block (label) @58
+Culled Empty Block (label) @49
+Culled Empty Block (label) @59
 Culled Empty Block (label) main::@2
 Culled Empty Block (label) sin8u_table::@14
 Culled Empty Block (label) sin8u_table::@26
@@ -2840,7 +2841,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @57 to @1
+Renumbering block @58 to @1
 Renumbering block div16u::@2 to div16u::@1
 Renumbering block mul8u::@4 to mul8u::@3
 Renumbering block mul8u::@7 to mul8u::@4
diff --git a/src/test/ref/test-comparisons-sword.log b/src/test/ref/test-comparisons-sword.log
index dd4347df6..6e582d474 100644
--- a/src/test/ref/test-comparisons-sword.log
+++ b/src/test/ref/test-comparisons-sword.log
@@ -45,12 +45,13 @@ Culled Empty Block (label) @28
 Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
-Culled Empty Block (label) @33
+Culled Empty Block (label) @32
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
+Culled Empty Block (label) @39
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) main::@10
 Culled Empty Block (label) main::@12
@@ -111,7 +112,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@32
+  to:@33
 print_str: scope:[print_str]  from compare::@39
   (byte*) print_char_cursor#76 ← phi( compare::@39/(byte*) print_char_cursor#23 )
   (byte*) print_str::str#4 ← phi( compare::@39/(byte*) print_str::str#1 )
@@ -227,12 +228,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#11 ← (byte*) print_char_cursor#41
   return 
   to:@return
-@32: scope:[]  from @16
+@33: scope:[]  from @16
   (byte*) print_screen#7 ← phi( @16/(byte*) print_screen#0 )
   (byte*) print_char_cursor#93 ← phi( @16/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#28 ← phi( @16/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@39
+  to:@40
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#66 ← phi( print_word/(byte*) print_char_cursor#65 print_word::@1/(byte*) print_char_cursor#9 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -288,16 +289,16 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#18 ← (byte*) print_char_cursor#47
   return 
   to:@return
-@39: scope:[]  from @32
-  (byte*) print_screen#6 ← phi( @32/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#85 ← phi( @32/(byte*) print_char_cursor#93 )
-  (byte*) print_line_cursor#27 ← phi( @32/(byte*) print_line_cursor#28 )
+@40: scope:[]  from @33
+  (byte*) print_screen#6 ← phi( @33/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#85 ← phi( @33/(byte*) print_char_cursor#93 )
+  (byte*) print_line_cursor#27 ← phi( @33/(byte*) print_line_cursor#28 )
   (signed word[]) swords#0 ← { (number) -$6fed, (number) $12, (number) $7fed }
-  to:@40
-main: scope:[main]  from @41
-  (byte*) print_char_cursor#69 ← phi( @41/(byte*) print_char_cursor#75 )
-  (byte*) print_line_cursor#18 ← phi( @41/(byte*) print_line_cursor#21 )
-  (byte*) print_screen#3 ← phi( @41/(byte*) print_screen#4 )
+  to:@41
+main: scope:[main]  from @42
+  (byte*) print_char_cursor#69 ← phi( @42/(byte*) print_char_cursor#75 )
+  (byte*) print_line_cursor#18 ← phi( @42/(byte*) print_line_cursor#21 )
+  (byte*) print_screen#3 ← phi( @42/(byte*) print_screen#4 )
   call print_cls 
   to:main::@15
 main::@15: scope:[main]  from main
@@ -425,10 +426,10 @@ main::@return: scope:[main]  from main::@9
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#51
   return 
   to:@return
-@40: scope:[]  from @39
-  (byte*) print_screen#5 ← phi( @39/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#82 ← phi( @39/(byte*) print_char_cursor#85 )
-  (byte*) print_line_cursor#24 ← phi( @39/(byte*) print_line_cursor#27 )
+@41: scope:[]  from @40
+  (byte*) print_screen#5 ← phi( @40/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#82 ← phi( @40/(byte*) print_char_cursor#85 )
+  (byte*) print_line_cursor#24 ← phi( @40/(byte*) print_line_cursor#27 )
   (byte) LT#0 ← (number) 0
   (byte) LE#0 ← (number) 1
   (byte) GT#0 ← (number) 2
@@ -437,7 +438,7 @@ main::@return: scope:[main]  from main::@9
   (byte) NE#0 ← (number) 5
   (byte) FF#0 ← (number) $57
   (byte) TT#0 ← (number) $51
-  to:@41
+  to:@42
 compare: scope:[compare]  from main::@3
   (byte*) print_char_cursor#107 ← phi( main::@3/(byte*) print_char_cursor#70 )
   (signed word) compare::w2#9 ← phi( main::@3/(signed word) compare::w2#0 )
@@ -721,28 +722,28 @@ compare::@return: scope:[compare]  from compare::@43
   (byte*) print_char_cursor#29 ← (byte*) print_char_cursor#58
   return 
   to:@return
-@41: scope:[]  from @40
-  (byte*) print_screen#4 ← phi( @40/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#75 ← phi( @40/(byte*) print_char_cursor#82 )
-  (byte*) print_line_cursor#21 ← phi( @40/(byte*) print_line_cursor#24 )
-  call main 
-  to:@42
 @42: scope:[]  from @41
-  (byte*) print_char_cursor#59 ← phi( @41/(byte*) print_char_cursor#22 )
-  (byte*) print_line_cursor#16 ← phi( @41/(byte*) print_line_cursor#7 )
+  (byte*) print_screen#4 ← phi( @41/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#75 ← phi( @41/(byte*) print_char_cursor#82 )
+  (byte*) print_line_cursor#21 ← phi( @41/(byte*) print_line_cursor#24 )
+  call main 
+  to:@43
+@43: scope:[]  from @42
+  (byte*) print_char_cursor#59 ← phi( @42/(byte*) print_char_cursor#22 )
+  (byte*) print_line_cursor#16 ← phi( @42/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#8 ← (byte*) print_line_cursor#16
   (byte*) print_char_cursor#30 ← (byte*) print_char_cursor#59
   to:@end
-@end: scope:[]  from @42
+@end: scope:[]  from @43
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @16
-(label) @32
-(label) @39
+(label) @33
 (label) @40
 (label) @41
 (label) @42
+(label) @43
 (label) @begin
 (label) @end
 (byte) EQ
@@ -1726,11 +1727,11 @@ Added new block during phi lifting compare::@45(between compare::@11 and compare
 Added new block during phi lifting compare::@46(between compare::@40 and compare::@13)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @16
-Adding NOP phi() at start of @32
-Adding NOP phi() at start of @39
+Adding NOP phi() at start of @33
 Adding NOP phi() at start of @40
 Adding NOP phi() at start of @41
 Adding NOP phi() at start of @42
+Adding NOP phi() at start of @43
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@15
@@ -1822,10 +1823,10 @@ Coalesced [172] print_char_cursor#112 ← print_char_cursor#1
 Coalesced [185] memset::dst#3 ← memset::dst#1
 Coalesced down to 13 phi equivalence classes
 Culled Empty Block (label) @16
-Culled Empty Block (label) @32
-Culled Empty Block (label) @39
+Culled Empty Block (label) @33
 Culled Empty Block (label) @40
-Culled Empty Block (label) @42
+Culled Empty Block (label) @41
+Culled Empty Block (label) @43
 Culled Empty Block (label) main::@15
 Culled Empty Block (label) main::@18
 Culled Empty Block (label) main::@19
@@ -1846,7 +1847,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @41 to @1
+Renumbering block @42 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block main::@9 to main::@8
diff --git a/src/test/ref/test-comparisons-word.log b/src/test/ref/test-comparisons-word.log
index 527416e20..8eb9797b0 100644
--- a/src/test/ref/test-comparisons-word.log
+++ b/src/test/ref/test-comparisons-word.log
@@ -44,12 +44,13 @@ Culled Empty Block (label) @28
 Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
-Culled Empty Block (label) @33
+Culled Empty Block (label) @32
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
+Culled Empty Block (label) @39
 Culled Empty Block (label) main::@8
 Culled Empty Block (label) main::@10
 Culled Empty Block (label) main::@12
@@ -110,7 +111,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@32
+  to:@33
 print_str: scope:[print_str]  from compare::@35
   (byte*) print_char_cursor#60 ← phi( compare::@35/(byte*) print_char_cursor#19 )
   (byte*) print_str::str#4 ← phi( compare::@35/(byte*) print_str::str#1 )
@@ -180,12 +181,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#7 ← (byte*) print_char_cursor#32
   return 
   to:@return
-@32: scope:[]  from @16
+@33: scope:[]  from @16
   (byte*) print_screen#7 ← phi( @16/(byte*) print_screen#0 )
   (byte*) print_char_cursor#88 ← phi( @16/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#28 ← phi( @16/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@39
+  to:@40
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#53 ← phi( print_word/(byte*) print_char_cursor#52 print_word::@1/(byte*) print_char_cursor#5 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -241,16 +242,16 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#14 ← (byte*) print_char_cursor#38
   return 
   to:@return
-@39: scope:[]  from @32
-  (byte*) print_screen#6 ← phi( @32/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#74 ← phi( @32/(byte*) print_char_cursor#88 )
-  (byte*) print_line_cursor#27 ← phi( @32/(byte*) print_line_cursor#28 )
+@40: scope:[]  from @33
+  (byte*) print_screen#6 ← phi( @33/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#74 ← phi( @33/(byte*) print_char_cursor#88 )
+  (byte*) print_line_cursor#27 ← phi( @33/(byte*) print_line_cursor#28 )
   (word[]) words#0 ← { (number) $12, (number) $3f34, (number) $cfed }
-  to:@40
-main: scope:[main]  from @41
-  (byte*) print_char_cursor#54 ← phi( @41/(byte*) print_char_cursor#59 )
-  (byte*) print_line_cursor#18 ← phi( @41/(byte*) print_line_cursor#21 )
-  (byte*) print_screen#3 ← phi( @41/(byte*) print_screen#4 )
+  to:@41
+main: scope:[main]  from @42
+  (byte*) print_char_cursor#54 ← phi( @42/(byte*) print_char_cursor#59 )
+  (byte*) print_line_cursor#18 ← phi( @42/(byte*) print_line_cursor#21 )
+  (byte*) print_screen#3 ← phi( @42/(byte*) print_screen#4 )
   call print_cls 
   to:main::@15
 main::@15: scope:[main]  from main
@@ -378,13 +379,13 @@ main::@return: scope:[main]  from main::@9
   (byte*) print_char_cursor#18 ← (byte*) print_char_cursor#42
   return 
   to:@return
-@40: scope:[]  from @39
-  (byte*) print_screen#5 ← phi( @39/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#71 ← phi( @39/(byte*) print_char_cursor#74 )
-  (byte*) print_line_cursor#24 ← phi( @39/(byte*) print_line_cursor#27 )
+@41: scope:[]  from @40
+  (byte*) print_screen#5 ← phi( @40/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#71 ← phi( @40/(byte*) print_char_cursor#74 )
+  (byte*) print_line_cursor#24 ← phi( @40/(byte*) print_line_cursor#27 )
   (byte) FF#0 ← (number) $57
   (byte) TT#0 ← (number) $51
-  to:@41
+  to:@42
 compare: scope:[compare]  from main::@3
   (byte*) print_char_cursor#89 ← phi( main::@3/(byte*) print_char_cursor#55 )
   (word) compare::w2#8 ← phi( main::@3/(word) compare::w2#0 )
@@ -626,28 +627,28 @@ compare::@return: scope:[compare]  from compare::@39
   (byte*) print_char_cursor#24 ← (byte*) print_char_cursor#48
   return 
   to:@return
-@41: scope:[]  from @40
-  (byte*) print_screen#4 ← phi( @40/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#59 ← phi( @40/(byte*) print_char_cursor#71 )
-  (byte*) print_line_cursor#21 ← phi( @40/(byte*) print_line_cursor#24 )
-  call main 
-  to:@42
 @42: scope:[]  from @41
-  (byte*) print_char_cursor#49 ← phi( @41/(byte*) print_char_cursor#18 )
-  (byte*) print_line_cursor#16 ← phi( @41/(byte*) print_line_cursor#7 )
+  (byte*) print_screen#4 ← phi( @41/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#59 ← phi( @41/(byte*) print_char_cursor#71 )
+  (byte*) print_line_cursor#21 ← phi( @41/(byte*) print_line_cursor#24 )
+  call main 
+  to:@43
+@43: scope:[]  from @42
+  (byte*) print_char_cursor#49 ← phi( @42/(byte*) print_char_cursor#18 )
+  (byte*) print_line_cursor#16 ← phi( @42/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#8 ← (byte*) print_line_cursor#16
   (byte*) print_char_cursor#25 ← (byte*) print_char_cursor#49
   to:@end
-@end: scope:[]  from @42
+@end: scope:[]  from @43
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @16
-(label) @32
-(label) @39
+(label) @33
 (label) @40
 (label) @41
 (label) @42
+(label) @43
 (label) @begin
 (label) @end
 (byte) FF
@@ -1486,11 +1487,11 @@ Added new block during phi lifting main::@20(between main::@4 and main::@3)
 Added new block during phi lifting main::@21(between main::@16 and main::@4)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @16
-Adding NOP phi() at start of @32
-Adding NOP phi() at start of @39
+Adding NOP phi() at start of @33
 Adding NOP phi() at start of @40
 Adding NOP phi() at start of @41
 Adding NOP phi() at start of @42
+Adding NOP phi() at start of @43
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@15
@@ -1573,10 +1574,10 @@ Coalesced [151] print_char_cursor#94 ← print_char_cursor#1
 Coalesced [164] memset::dst#3 ← memset::dst#1
 Coalesced down to 13 phi equivalence classes
 Culled Empty Block (label) @16
-Culled Empty Block (label) @32
-Culled Empty Block (label) @39
+Culled Empty Block (label) @33
 Culled Empty Block (label) @40
-Culled Empty Block (label) @42
+Culled Empty Block (label) @41
+Culled Empty Block (label) @43
 Culled Empty Block (label) main::@15
 Culled Empty Block (label) main::@18
 Culled Empty Block (label) main::@19
@@ -1591,7 +1592,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @41 to @1
+Renumbering block @42 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block main::@9 to main::@8
 Renumbering block main::@16 to main::@9
diff --git a/src/test/ref/test-comparisons.log b/src/test/ref/test-comparisons.log
index 5d3340865..c287891ef 100644
--- a/src/test/ref/test-comparisons.log
+++ b/src/test/ref/test-comparisons.log
@@ -37,16 +37,17 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
+Culled Empty Block (label) @36
 Culled Empty Block (label) main::@42
 Culled Empty Block (label) main::@44
-Culled Empty Block (label) @36
+Culled Empty Block (label) @37
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -91,7 +92,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_str: scope:[print_str]  from printu::@2
   (byte*) print_char_cursor#119 ← phi( printu::@2/(byte*) print_char_cursor#40 )
   (byte*) print_str::str#4 ← phi( printu::@2/(byte*) print_str::str#1 )
@@ -137,12 +138,12 @@ print_ln::@return: scope:[print_ln]  from print_ln::@2
   (byte*) print_char_cursor#4 ← (byte*) print_char_cursor#50
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#5 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#141 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#39 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@37
+  to:@38
 print_byte: scope:[print_byte]  from printu::@1 printu::@3
   (byte*) print_char_cursor#94 ← phi( printu::@1/(byte*) print_char_cursor#39 printu::@3/(byte*) print_char_cursor#41 )
   (byte) print_byte::b#2 ← phi( printu::@1/(byte) print_byte::b#0 printu::@3/(byte) print_byte::b#1 )
@@ -198,10 +199,10 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#11 ← (byte*) print_char_cursor#56
   return 
   to:@return
-main: scope:[main]  from @37
-  (byte*) print_char_cursor#96 ← phi( @37/(byte*) print_char_cursor#118 )
-  (byte*) print_line_cursor#26 ← phi( @37/(byte*) print_line_cursor#33 )
-  (byte*) print_screen#3 ← phi( @37/(byte*) print_screen#4 )
+main: scope:[main]  from @38
+  (byte*) print_char_cursor#96 ← phi( @38/(byte*) print_char_cursor#118 )
+  (byte*) print_line_cursor#26 ← phi( @38/(byte*) print_line_cursor#33 )
+  (byte*) print_screen#3 ← phi( @38/(byte*) print_screen#4 )
   call print_cls 
   to:main::@45
 main::@45: scope:[main]  from main
@@ -997,26 +998,26 @@ printu::@return: scope:[printu]  from printu::@6
   (byte*) print_char_cursor#45 ← (byte*) print_char_cursor#90
   return 
   to:@return
-@37: scope:[]  from @28
-  (byte*) print_screen#4 ← phi( @28/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#118 ← phi( @28/(byte*) print_char_cursor#141 )
-  (byte*) print_line_cursor#33 ← phi( @28/(byte*) print_line_cursor#39 )
+@38: scope:[]  from @29
+  (byte*) print_screen#4 ← phi( @29/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#118 ← phi( @29/(byte*) print_char_cursor#141 )
+  (byte*) print_line_cursor#33 ← phi( @29/(byte*) print_line_cursor#39 )
   call main 
-  to:@38
-@38: scope:[]  from @37
-  (byte*) print_char_cursor#91 ← phi( @37/(byte*) print_char_cursor#38 )
-  (byte*) print_line_cursor#24 ← phi( @37/(byte*) print_line_cursor#11 )
+  to:@39
+@39: scope:[]  from @38
+  (byte*) print_char_cursor#91 ← phi( @38/(byte*) print_char_cursor#38 )
+  (byte*) print_line_cursor#24 ← phi( @38/(byte*) print_line_cursor#11 )
   (byte*) print_line_cursor#12 ← (byte*) print_line_cursor#24
   (byte*) print_char_cursor#46 ← (byte*) print_char_cursor#91
   to:@end
-@end: scope:[]  from @38
+@end: scope:[]  from @39
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @37
+(label) @29
 (label) @38
+(label) @39
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -2492,9 +2493,9 @@ Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_l
 Added new block during phi lifting main::@71(between main::@70 and main::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @37
+Adding NOP phi() at start of @29
 Adding NOP phi() at start of @38
+Adding NOP phi() at start of @39
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@45
@@ -2640,8 +2641,8 @@ Coalesced [295] print_char_cursor#143 ← print_char_cursor#1
 Coalesced [308] memset::dst#3 ← memset::dst#1
 Coalesced down to 32 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @38
+Culled Empty Block (label) @29
+Culled Empty Block (label) @39
 Culled Empty Block (label) main::@45
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
@@ -2651,7 +2652,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @37 to @1
+Renumbering block @38 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block main::@43 to main::@42
 Renumbering block main::@46 to main::@43
diff --git a/src/test/ref/test-division.log b/src/test/ref/test-division.log
index 3518ebdab..70fa68261 100644
--- a/src/test/ref/test-division.log
+++ b/src/test/ref/test-division.log
@@ -44,19 +44,20 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 Culled Empty Block (label) div8u::@1
-Culled Empty Block (label) @36
+Culled Empty Block (label) @37
 Culled Empty Block (label) divr8u::@7
 Culled Empty Block (label) divr16u::@7
-Culled Empty Block (label) @38
-Culled Empty Block (label) div16u::@1
 Culled Empty Block (label) @39
+Culled Empty Block (label) div16u::@1
+Culled Empty Block (label) @40
 Culled Empty Block (label) div8s::@8
 Culled Empty Block (label) div8s::@10
 Culled Empty Block (label) div8s::@12
@@ -69,16 +70,16 @@ Culled Empty Block (label) divr16s::@12
 Culled Empty Block (label) divr16s::@6
 Culled Empty Block (label) divr16s::@13
 Culled Empty Block (label) divr16s::@14
-Culled Empty Block (label) @42
-Culled Empty Block (label) div16s::@1
 Culled Empty Block (label) @43
+Culled Empty Block (label) div16s::@1
 Culled Empty Block (label) @44
-Culled Empty Block (label) test_8u::@2
 Culled Empty Block (label) @45
-Culled Empty Block (label) test_16u::@2
+Culled Empty Block (label) test_8u::@2
 Culled Empty Block (label) @46
-Culled Empty Block (label) test_8s::@2
+Culled Empty Block (label) test_16u::@2
 Culled Empty Block (label) @47
+Culled Empty Block (label) test_8s::@2
+Culled Empty Block (label) @48
 Culled Empty Block (label) test_16s::@2
 
 CONTROL FLOW GRAPH SSA
@@ -124,7 +125,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_str: scope:[print_str]  from test_16s::@4 test_16s::@6 test_16s::@8 test_16u::@4 test_16u::@6 test_16u::@8 test_8s::@4 test_8s::@6 test_8s::@8 test_8u::@4 test_8u::@6 test_8u::@8
   (byte*) print_char_cursor#146 ← phi( test_16s::@4/(byte*) print_char_cursor#56 test_16s::@6/(byte*) print_char_cursor#58 test_16s::@8/(byte*) print_char_cursor#60 test_16u::@4/(byte*) print_char_cursor#38 test_16u::@6/(byte*) print_char_cursor#40 test_16u::@8/(byte*) print_char_cursor#42 test_8s::@4/(byte*) print_char_cursor#47 test_8s::@6/(byte*) print_char_cursor#49 test_8s::@8/(byte*) print_char_cursor#51 test_8u::@4/(byte*) print_char_cursor#29 test_8u::@6/(byte*) print_char_cursor#31 test_8u::@8/(byte*) print_char_cursor#33 )
   (byte*) print_str::str#15 ← phi( test_16s::@4/(byte*) print_str::str#10 test_16s::@6/(byte*) print_str::str#11 test_16s::@8/(byte*) print_str::str#12 test_16u::@4/(byte*) print_str::str#4 test_16u::@6/(byte*) print_str::str#5 test_16u::@8/(byte*) print_str::str#6 test_8s::@4/(byte*) print_str::str#7 test_8s::@6/(byte*) print_str::str#8 test_8s::@8/(byte*) print_str::str#9 test_8u::@4/(byte*) print_str::str#1 test_8u::@6/(byte*) print_str::str#2 test_8u::@8/(byte*) print_str::str#3 )
@@ -286,12 +287,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#15 ← (byte*) print_char_cursor#80
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#9 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#161 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#66 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@35
+  to:@36
 print_byte: scope:[print_byte]  from print_sbyte::@2 print_word print_word::@1 test_8u::@3 test_8u::@5 test_8u::@7 test_8u::@9
   (byte*) print_char_cursor#139 ← phi( print_sbyte::@2/(byte*) print_char_cursor#137 print_word/(byte*) print_char_cursor#138 print_word::@1/(byte*) print_char_cursor#13 test_8u::@3/(byte*) print_char_cursor#141 test_8u::@5/(byte*) print_char_cursor#30 test_8u::@7/(byte*) print_char_cursor#32 test_8u::@9/(byte*) print_char_cursor#34 )
   (byte) print_byte::b#7 ← phi( print_sbyte::@2/(byte) print_byte::b#0 print_word/(byte) print_byte::b#1 print_word::@1/(byte) print_byte::b#2 test_8u::@3/(byte) print_byte::b#3 test_8u::@5/(byte) print_byte::b#4 test_8u::@7/(byte) print_byte::b#5 test_8u::@9/(byte) print_byte::b#6 )
@@ -347,12 +348,12 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#86
   return 
   to:@return
-@35: scope:[]  from @28
-  (byte*) print_screen#8 ← phi( @28/(byte*) print_screen#9 )
-  (byte*) print_char_cursor#160 ← phi( @28/(byte*) print_char_cursor#161 )
-  (byte*) print_line_cursor#61 ← phi( @28/(byte*) print_line_cursor#66 )
+@36: scope:[]  from @29
+  (byte*) print_screen#8 ← phi( @29/(byte*) print_screen#9 )
+  (byte*) print_char_cursor#160 ← phi( @29/(byte*) print_char_cursor#161 )
+  (byte*) print_line_cursor#61 ← phi( @29/(byte*) print_line_cursor#66 )
   (byte) rem8u#0 ← (number) 0
-  to:@37
+  to:@38
 div8u: scope:[div8u]  from div8s::@4 test_8u::@1
   (byte) rem8u#31 ← phi( div8s::@4/(byte) rem8u#32 test_8u::@1/(byte) rem8u#36 )
   (byte) div8u::divisor#2 ← phi( div8s::@4/(byte) div8u::divisor#0 test_8u::@1/(byte) div8u::divisor#1 )
@@ -453,13 +454,13 @@ divr8u::@return: scope:[divr8u]  from divr8u::@6
   (byte) rem8u#4 ← (byte) rem8u#17
   return 
   to:@return
-@37: scope:[]  from @35
-  (byte*) print_screen#7 ← phi( @35/(byte*) print_screen#8 )
-  (byte) rem8u#55 ← phi( @35/(byte) rem8u#0 )
-  (byte*) print_char_cursor#159 ← phi( @35/(byte*) print_char_cursor#160 )
-  (byte*) print_line_cursor#56 ← phi( @35/(byte*) print_line_cursor#61 )
+@38: scope:[]  from @36
+  (byte*) print_screen#7 ← phi( @36/(byte*) print_screen#8 )
+  (byte) rem8u#55 ← phi( @36/(byte) rem8u#0 )
+  (byte*) print_char_cursor#159 ← phi( @36/(byte*) print_char_cursor#160 )
+  (byte*) print_line_cursor#56 ← phi( @36/(byte*) print_line_cursor#61 )
   (word) rem16u#0 ← (number) 0
-  to:@40
+  to:@41
 divr16u: scope:[divr16u]  from div16u divr16s::@4
   (word) divr16u::divisor#6 ← phi( div16u/(word) divr16u::divisor#0 divr16s::@4/(word) divr16u::divisor#1 )
   (word) divr16u::dividend#5 ← phi( div16u/(word) divr16u::dividend#1 divr16s::@4/(word) divr16u::dividend#2 )
@@ -561,14 +562,14 @@ div16u::@return: scope:[div16u]  from div16u::@2
   (word) rem16u#4 ← (word) rem16u#19
   return 
   to:@return
-@40: scope:[]  from @37
-  (byte*) print_screen#6 ← phi( @37/(byte*) print_screen#7 )
-  (word) rem16u#55 ← phi( @37/(word) rem16u#0 )
-  (byte) rem8u#52 ← phi( @37/(byte) rem8u#55 )
-  (byte*) print_char_cursor#154 ← phi( @37/(byte*) print_char_cursor#159 )
-  (byte*) print_line_cursor#51 ← phi( @37/(byte*) print_line_cursor#56 )
+@41: scope:[]  from @38
+  (byte*) print_screen#6 ← phi( @38/(byte*) print_screen#7 )
+  (word) rem16u#55 ← phi( @38/(word) rem16u#0 )
+  (byte) rem8u#52 ← phi( @38/(byte) rem8u#55 )
+  (byte*) print_char_cursor#154 ← phi( @38/(byte*) print_char_cursor#159 )
+  (byte*) print_line_cursor#51 ← phi( @38/(byte*) print_line_cursor#56 )
   (signed byte) rem8s#0 ← (number) 0
-  to:@41
+  to:@42
 div8s: scope:[div8s]  from test_8s::@1
   (byte) rem8u#60 ← phi( test_8s::@1/(byte) rem8u#39 )
   (signed byte) div8s::divisor#6 ← phi( test_8s::@1/(signed byte) div8s::divisor#0 )
@@ -670,15 +671,15 @@ div8s::@return: scope:[div8s]  from div8s::@11 div8s::@5
   (signed byte) rem8s#3 ← (signed byte) rem8s#9
   return 
   to:@return
-@41: scope:[]  from @40
-  (byte*) print_screen#5 ← phi( @40/(byte*) print_screen#6 )
-  (signed byte) rem8s#26 ← phi( @40/(signed byte) rem8s#0 )
-  (word) rem16u#54 ← phi( @40/(word) rem16u#55 )
-  (byte) rem8u#50 ← phi( @40/(byte) rem8u#52 )
-  (byte*) print_char_cursor#153 ← phi( @40/(byte*) print_char_cursor#154 )
-  (byte*) print_line_cursor#50 ← phi( @40/(byte*) print_line_cursor#51 )
+@42: scope:[]  from @41
+  (byte*) print_screen#5 ← phi( @41/(byte*) print_screen#6 )
+  (signed byte) rem8s#26 ← phi( @41/(signed byte) rem8s#0 )
+  (word) rem16u#54 ← phi( @41/(word) rem16u#55 )
+  (byte) rem8u#50 ← phi( @41/(byte) rem8u#52 )
+  (byte*) print_char_cursor#153 ← phi( @41/(byte*) print_char_cursor#154 )
+  (byte*) print_line_cursor#50 ← phi( @41/(byte*) print_line_cursor#51 )
   (signed word) rem16s#0 ← (number) 0
-  to:@48
+  to:@49
 divr16s: scope:[divr16s]  from div16s
   (word) rem16u#64 ← phi( div16s/(word) rem16u#37 )
   (signed word) divr16s::divisor#6 ← phi( div16s/(signed word) divr16s::divisor#0 )
@@ -825,14 +826,14 @@ div16s::@return: scope:[div16s]  from div16s::@2
   (signed word) rem16s#5 ← (signed word) rem16s#13
   return 
   to:@return
-main: scope:[main]  from @48
-  (signed word) rem16s#34 ← phi( @48/(signed word) rem16s#25 )
-  (signed byte) rem8s#29 ← phi( @48/(signed byte) rem8s#21 )
-  (word) rem16u#57 ← phi( @48/(word) rem16u#45 )
-  (byte) rem8u#44 ← phi( @48/(byte) rem8u#41 )
-  (byte*) print_char_cursor#140 ← phi( @48/(byte*) print_char_cursor#145 )
-  (byte*) print_line_cursor#40 ← phi( @48/(byte*) print_line_cursor#45 )
-  (byte*) print_screen#3 ← phi( @48/(byte*) print_screen#4 )
+main: scope:[main]  from @49
+  (signed word) rem16s#34 ← phi( @49/(signed word) rem16s#25 )
+  (signed byte) rem8s#29 ← phi( @49/(signed byte) rem8s#21 )
+  (word) rem16u#57 ← phi( @49/(word) rem16u#45 )
+  (byte) rem8u#44 ← phi( @49/(byte) rem8u#41 )
+  (byte*) print_char_cursor#140 ← phi( @49/(byte*) print_char_cursor#145 )
+  (byte*) print_line_cursor#40 ← phi( @49/(byte*) print_line_cursor#45 )
+  (byte*) print_screen#3 ← phi( @49/(byte*) print_screen#4 )
   call print_cls 
   to:main::@1
 main::@1: scope:[main]  from main
@@ -1430,23 +1431,23 @@ test_16s::@return: scope:[test_16s]  from test_16s::@11
   (byte*) print_line_cursor#18 ← (byte*) print_line_cursor#37
   return 
   to:@return
-@48: scope:[]  from @41
-  (byte*) print_screen#4 ← phi( @41/(byte*) print_screen#5 )
-  (signed word) rem16s#25 ← phi( @41/(signed word) rem16s#0 )
-  (signed byte) rem8s#21 ← phi( @41/(signed byte) rem8s#26 )
-  (word) rem16u#45 ← phi( @41/(word) rem16u#54 )
-  (byte) rem8u#41 ← phi( @41/(byte) rem8u#50 )
-  (byte*) print_char_cursor#145 ← phi( @41/(byte*) print_char_cursor#153 )
-  (byte*) print_line_cursor#45 ← phi( @41/(byte*) print_line_cursor#50 )
+@49: scope:[]  from @42
+  (byte*) print_screen#4 ← phi( @42/(byte*) print_screen#5 )
+  (signed word) rem16s#25 ← phi( @42/(signed word) rem16s#0 )
+  (signed byte) rem8s#21 ← phi( @42/(signed byte) rem8s#26 )
+  (word) rem16u#45 ← phi( @42/(word) rem16u#54 )
+  (byte) rem8u#41 ← phi( @42/(byte) rem8u#50 )
+  (byte*) print_char_cursor#145 ← phi( @42/(byte*) print_char_cursor#153 )
+  (byte*) print_line_cursor#45 ← phi( @42/(byte*) print_line_cursor#50 )
   call main 
-  to:@49
-@49: scope:[]  from @48
-  (signed word) rem16s#19 ← phi( @48/(signed word) rem16s#7 )
-  (signed byte) rem8s#15 ← phi( @48/(signed byte) rem8s#5 )
-  (word) rem16u#34 ← phi( @48/(word) rem16u#11 )
-  (byte) rem8u#30 ← phi( @48/(byte) rem8u#9 )
-  (byte*) print_char_cursor#129 ← phi( @48/(byte*) print_char_cursor#28 )
-  (byte*) print_line_cursor#38 ← phi( @48/(byte*) print_line_cursor#10 )
+  to:@50
+@50: scope:[]  from @49
+  (signed word) rem16s#19 ← phi( @49/(signed word) rem16s#7 )
+  (signed byte) rem8s#15 ← phi( @49/(signed byte) rem8s#5 )
+  (word) rem16u#34 ← phi( @49/(word) rem16u#11 )
+  (byte) rem8u#30 ← phi( @49/(byte) rem8u#9 )
+  (byte*) print_char_cursor#129 ← phi( @49/(byte*) print_char_cursor#28 )
+  (byte*) print_line_cursor#38 ← phi( @49/(byte*) print_line_cursor#10 )
   (byte*) print_line_cursor#19 ← (byte*) print_line_cursor#38
   (byte*) print_char_cursor#65 ← (byte*) print_char_cursor#129
   (byte) rem8u#14 ← (byte) rem8u#30
@@ -1454,18 +1455,18 @@ test_16s::@return: scope:[test_16s]  from test_16s::@11
   (signed byte) rem8s#8 ← (signed byte) rem8s#15
   (signed word) rem16s#10 ← (signed word) rem16s#19
   to:@end
-@end: scope:[]  from @49
+@end: scope:[]  from @50
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @35
-(label) @37
-(label) @40
+(label) @29
+(label) @36
+(label) @38
 (label) @41
-(label) @48
+(label) @42
 (label) @49
+(label) @50
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -3633,13 +3634,13 @@ Added new block during phi lifting test_8s::@12(between test_8s::@11 and test_8s
 Added new block during phi lifting test_16s::@12(between test_16s::@11 and test_16s::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @37
-Adding NOP phi() at start of @40
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @36
+Adding NOP phi() at start of @38
 Adding NOP phi() at start of @41
-Adding NOP phi() at start of @48
+Adding NOP phi() at start of @42
 Adding NOP phi() at start of @49
+Adding NOP phi() at start of @50
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@1
@@ -3802,12 +3803,12 @@ Coalesced (already) [393] print_line_cursor#93 ← print_line_cursor#1
 Coalesced [406] memset::dst#3 ← memset::dst#1
 Coalesced down to 34 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @35
-Culled Empty Block (label) @37
-Culled Empty Block (label) @40
+Culled Empty Block (label) @29
+Culled Empty Block (label) @36
+Culled Empty Block (label) @38
 Culled Empty Block (label) @41
-Culled Empty Block (label) @49
+Culled Empty Block (label) @42
+Culled Empty Block (label) @50
 Culled Empty Block (label) main::@5
 Culled Empty Block (label) test_16s::@12
 Culled Empty Block (label) print_ln::@2
@@ -3831,7 +3832,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @48 to @1
+Renumbering block @49 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block print_sbyte::@5 to print_sbyte::@4
diff --git a/src/test/ref/test-lowhigh.log b/src/test/ref/test-lowhigh.log
index fc7f29964..33c1249bd 100644
--- a/src/test/ref/test-lowhigh.log
+++ b/src/test/ref/test-lowhigh.log
@@ -33,13 +33,14 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
+Culled Empty Block (label) @36
 Culled Empty Block (label) main::@2
 
 CONTROL FLOW GRAPH SSA
@@ -85,7 +86,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_ln: scope:[print_ln]  from main::@16
   (byte*) print_char_cursor#64 ← phi( main::@16/(byte*) print_char_cursor#29 )
   (byte*) print_line_cursor#17 ← phi( main::@16/(byte*) print_line_cursor#19 )
@@ -157,12 +158,12 @@ print_dword::@return: scope:[print_dword]  from print_dword::@2
   (byte*) print_char_cursor#8 ← (byte*) print_char_cursor#40
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#5 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#71 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#22 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@36
+  to:@37
 print_byte: scope:[print_byte]  from main::@11 main::@13 main::@15 main::@9 print_word print_word::@1
   (byte*) print_char_cursor#67 ← phi( main::@11/(byte*) print_char_cursor#24 main::@13/(byte*) print_char_cursor#26 main::@15/(byte*) print_char_cursor#28 main::@9/(byte*) print_char_cursor#22 print_word/(byte*) print_char_cursor#65 print_word::@1/(byte*) print_char_cursor#3 )
   (byte) print_byte::b#6 ← phi( main::@11/(byte) print_byte::b#3 main::@13/(byte) print_byte::b#4 main::@15/(byte) print_byte::b#5 main::@9/(byte) print_byte::b#2 print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -218,10 +219,10 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#15 ← (byte*) print_char_cursor#46
   return 
   to:@return
-main: scope:[main]  from @36
-  (byte*) print_char_cursor#68 ← phi( @36/(byte*) print_char_cursor#70 )
-  (byte*) print_line_cursor#18 ← phi( @36/(byte*) print_line_cursor#20 )
-  (byte*) print_screen#3 ← phi( @36/(byte*) print_screen#4 )
+main: scope:[main]  from @37
+  (byte*) print_char_cursor#68 ← phi( @37/(byte*) print_char_cursor#70 )
+  (byte*) print_line_cursor#18 ← phi( @37/(byte*) print_line_cursor#20 )
+  (byte*) print_screen#3 ← phi( @37/(byte*) print_screen#4 )
   call print_cls 
   to:main::@3
 main::@3: scope:[main]  from main
@@ -389,26 +390,26 @@ main::@return: scope:[main]  from main::@17
   (byte*) print_char_cursor#31 ← (byte*) print_char_cursor#62
   return 
   to:@return
-@36: scope:[]  from @28
-  (byte*) print_screen#4 ← phi( @28/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#70 ← phi( @28/(byte*) print_char_cursor#71 )
-  (byte*) print_line_cursor#20 ← phi( @28/(byte*) print_line_cursor#22 )
+@37: scope:[]  from @29
+  (byte*) print_screen#4 ← phi( @29/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#70 ← phi( @29/(byte*) print_char_cursor#71 )
+  (byte*) print_line_cursor#20 ← phi( @29/(byte*) print_line_cursor#22 )
   call main 
-  to:@37
-@37: scope:[]  from @36
-  (byte*) print_char_cursor#63 ← phi( @36/(byte*) print_char_cursor#31 )
-  (byte*) print_line_cursor#16 ← phi( @36/(byte*) print_line_cursor#7 )
+  to:@38
+@38: scope:[]  from @37
+  (byte*) print_char_cursor#63 ← phi( @37/(byte*) print_char_cursor#31 )
+  (byte*) print_line_cursor#16 ← phi( @37/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#8 ← (byte*) print_line_cursor#16
   (byte*) print_char_cursor#32 ← (byte*) print_char_cursor#63
   to:@end
-@end: scope:[]  from @37
+@end: scope:[]  from @38
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @36
+(label) @29
 (label) @37
+(label) @38
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -905,9 +906,9 @@ Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_l
 Added new block during phi lifting main::@18(between main::@17 and main::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @36
+Adding NOP phi() at start of @29
 Adding NOP phi() at start of @37
+Adding NOP phi() at start of @38
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -968,8 +969,8 @@ Coalesced (already) [108] print_char_cursor#75 ← print_char_cursor#12
 Coalesced [124] memset::dst#3 ← memset::dst#1
 Coalesced down to 7 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @37
+Culled Empty Block (label) @29
+Culled Empty Block (label) @38
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
@@ -980,7 +981,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @36 to @1
+Renumbering block @37 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block main::@4 to main::@2
 Renumbering block main::@5 to main::@3
diff --git a/src/test/ref/test-multiply-16bit.log b/src/test/ref/test-multiply-16bit.log
index c5617e900..7708083ae 100644
--- a/src/test/ref/test-multiply-16bit.log
+++ b/src/test/ref/test-multiply-16bit.log
@@ -40,8 +40,8 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
+Culled Empty Block (label) @28
 Culled Empty Block (label) print_sdword::@4
-Culled Empty Block (label) @29
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
@@ -51,37 +51,38 @@ Culled Empty Block (label) @35
 Culled Empty Block (label) @36
 Culled Empty Block (label) @37
 Culled Empty Block (label) @38
+Culled Empty Block (label) @39
 Culled Empty Block (label) mul16u::@5
 Culled Empty Block (label) mul16u::@6
 Culled Empty Block (label) mul16u::@8
 Culled Empty Block (label) mul16u::@9
-Culled Empty Block (label) @39
+Culled Empty Block (label) @40
 Culled Empty Block (label) mul16s::@5
-Culled Empty Block (label) @41
 Culled Empty Block (label) @42
 Culled Empty Block (label) @43
 Culled Empty Block (label) @44
 Culled Empty Block (label) @45
 Culled Empty Block (label) @46
 Culled Empty Block (label) @47
-Culled Empty Block (label) mulf16u::@1
 Culled Empty Block (label) @48
+Culled Empty Block (label) mulf16u::@1
+Culled Empty Block (label) @49
 Culled Empty Block (label) mulf16s::@5
-Culled Empty Block (label) @50
+Culled Empty Block (label) @51
 Culled Empty Block (label) muls16u::@5
 Culled Empty Block (label) muls16u::@3
-Culled Empty Block (label) @51
+Culled Empty Block (label) @52
 Culled Empty Block (label) muls16s::@2
 Culled Empty Block (label) muls16s::@9
 Culled Empty Block (label) muls16s::@6
 Culled Empty Block (label) muls16s::@11
 Culled Empty Block (label) muls16s::@7
-Culled Empty Block (label) @52
-Culled Empty Block (label) mul16u_compare::@9
 Culled Empty Block (label) @53
+Culled Empty Block (label) mul16u_compare::@9
 Culled Empty Block (label) @54
-Culled Empty Block (label) mul16s_compare::@9
 Culled Empty Block (label) @55
+Culled Empty Block (label) mul16s_compare::@9
+Culled Empty Block (label) @56
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -126,7 +127,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_str: scope:[print_str]  from mul16s_compare::@1 mul16s_compare::@17 mul16s_error mul16s_error::@2 mul16s_error::@4 mul16s_error::@6 mul16s_error::@8 mul16u_compare::@1 mul16u_compare::@17 mul16u_error mul16u_error::@2 mul16u_error::@4 mul16u_error::@6 mul16u_error::@8
   (byte*) print_char_cursor#154 ← phi( mul16s_compare::@1/(byte*) print_char_cursor#149 mul16s_compare::@17/(byte*) print_char_cursor#51 mul16s_error/(byte*) print_char_cursor#152 mul16s_error::@2/(byte*) print_char_cursor#55 mul16s_error::@4/(byte*) print_char_cursor#57 mul16s_error::@6/(byte*) print_char_cursor#59 mul16s_error::@8/(byte*) print_char_cursor#61 mul16u_compare::@1/(byte*) print_char_cursor#145 mul16u_compare::@17/(byte*) print_char_cursor#33 mul16u_error/(byte*) print_char_cursor#148 mul16u_error::@2/(byte*) print_char_cursor#37 mul16u_error::@4/(byte*) print_char_cursor#39 mul16u_error::@6/(byte*) print_char_cursor#41 mul16u_error::@8/(byte*) print_char_cursor#43 )
   (byte*) print_str::str#17 ← phi( mul16s_compare::@1/(byte*) print_str::str#8 mul16s_compare::@17/(byte*) print_str::str#9 mul16s_error/(byte*) print_str::str#10 mul16s_error::@2/(byte*) print_str::str#11 mul16s_error::@4/(byte*) print_str::str#12 mul16s_error::@6/(byte*) print_str::str#13 mul16s_error::@8/(byte*) print_str::str#14 mul16u_compare::@1/(byte*) print_str::str#1 mul16u_compare::@17/(byte*) print_str::str#2 mul16u_error/(byte*) print_str::str#3 mul16u_error::@2/(byte*) print_str::str#4 mul16u_error::@4/(byte*) print_str::str#5 mul16u_error::@6/(byte*) print_str::str#6 mul16u_error::@8/(byte*) print_str::str#7 )
@@ -312,12 +313,12 @@ print_sdword::@return: scope:[print_sdword]  from print_sdword::@7
   (byte*) print_char_cursor#18 ← (byte*) print_char_cursor#84
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#7 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#171 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#71 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@40
+  to:@41
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#142 ← phi( print_word/(byte*) print_char_cursor#137 print_word::@1/(byte*) print_char_cursor#9 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -477,15 +478,15 @@ mul16s::@return: scope:[mul16s]  from mul16s::@2
   (signed dword) mul16s::return#1 ← (signed dword) mul16s::return#3
   return 
   to:@return
-@40: scope:[]  from @28
-  (byte*) print_screen#6 ← phi( @28/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#164 ← phi( @28/(byte*) print_char_cursor#171 )
-  (byte*) print_line_cursor#62 ← phi( @28/(byte*) print_line_cursor#71 )
+@41: scope:[]  from @29
+  (byte*) print_screen#6 ← phi( @29/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#164 ← phi( @29/(byte*) print_char_cursor#171 )
+  (byte*) print_line_cursor#62 ← phi( @29/(byte*) print_line_cursor#71 )
   (byte[$200]) mulf_sqr1_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr1_hi#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_hi#0 ← { fill( $200, 0) }
-  to:@49
+  to:@50
 mulf_init: scope:[mulf_init]  from main::@1
   (word) mulf_init::sqr#0 ← (number) 0
   (byte) mulf_init::x_2#0 ← (number) 0
@@ -655,16 +656,16 @@ mulf16s::@return: scope:[mulf16s]  from mulf16s::@2
   (signed dword) mulf16s::return#1 ← (signed dword) mulf16s::return#3
   return 
   to:@return
-@49: scope:[]  from @40
-  (byte*) print_screen#5 ← phi( @40/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#163 ← phi( @40/(byte*) print_char_cursor#164 )
-  (byte*) print_line_cursor#61 ← phi( @40/(byte*) print_line_cursor#62 )
+@50: scope:[]  from @41
+  (byte*) print_screen#5 ← phi( @41/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#163 ← phi( @41/(byte*) print_char_cursor#164 )
+  (byte*) print_line_cursor#61 ← phi( @41/(byte*) print_line_cursor#62 )
   (byte*) BGCOL#0 ← ((byte*)) (number) $d021
-  to:@56
-main: scope:[main]  from @56
-  (byte*) print_char_cursor#143 ← phi( @56/(byte*) print_char_cursor#153 )
-  (byte*) print_line_cursor#44 ← phi( @56/(byte*) print_line_cursor#54 )
-  (byte*) print_screen#3 ← phi( @56/(byte*) print_screen#4 )
+  to:@57
+main: scope:[main]  from @57
+  (byte*) print_char_cursor#143 ← phi( @57/(byte*) print_char_cursor#153 )
+  (byte*) print_line_cursor#44 ← phi( @57/(byte*) print_line_cursor#54 )
+  (byte*) print_screen#3 ← phi( @57/(byte*) print_screen#4 )
   *((byte*) BGCOL#0) ← (number) 5
   call print_cls 
   to:main::@1
@@ -1464,28 +1465,28 @@ mul16s_error::@return: scope:[mul16s_error]  from mul16s_error::@11
   (byte*) print_line_cursor#20 ← (byte*) print_line_cursor#41
   return 
   to:@return
-@56: scope:[]  from @49
-  (byte*) print_screen#4 ← phi( @49/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#153 ← phi( @49/(byte*) print_char_cursor#163 )
-  (byte*) print_line_cursor#54 ← phi( @49/(byte*) print_line_cursor#61 )
+@57: scope:[]  from @50
+  (byte*) print_screen#4 ← phi( @50/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#153 ← phi( @50/(byte*) print_char_cursor#163 )
+  (byte*) print_line_cursor#54 ← phi( @50/(byte*) print_line_cursor#61 )
   call main 
-  to:@57
-@57: scope:[]  from @56
-  (byte*) print_char_cursor#131 ← phi( @56/(byte*) print_char_cursor#29 )
-  (byte*) print_line_cursor#42 ← phi( @56/(byte*) print_line_cursor#8 )
+  to:@58
+@58: scope:[]  from @57
+  (byte*) print_char_cursor#131 ← phi( @57/(byte*) print_char_cursor#29 )
+  (byte*) print_line_cursor#42 ← phi( @57/(byte*) print_line_cursor#8 )
   (byte*) print_line_cursor#21 ← (byte*) print_line_cursor#42
   (byte*) print_char_cursor#66 ← (byte*) print_char_cursor#131
   to:@end
-@end: scope:[]  from @57
+@end: scope:[]  from @58
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @40
-(label) @49
-(label) @56
+(label) @29
+(label) @41
+(label) @50
 (label) @57
+(label) @58
 (label) @begin
 (label) @end
 (byte*) BGCOL
@@ -3630,11 +3631,11 @@ Added new block during phi lifting mul16s_compare::@21(between mul16s_compare::@
 Added new block during phi lifting mul16s_compare::@22(between mul16s_compare::@3 and mul16s_compare::@4)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @40
-Adding NOP phi() at start of @49
-Adding NOP phi() at start of @56
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @41
+Adding NOP phi() at start of @50
 Adding NOP phi() at start of @57
+Adding NOP phi() at start of @58
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@1
 Adding NOP phi() at start of main::@2
@@ -3825,10 +3826,10 @@ Coalesced (already) [442] mulf_init::x_2#6 ← mulf_init::x_2#3
 Coalesced [455] memset::dst#3 ← memset::dst#1
 Coalesced down to 41 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @40
-Culled Empty Block (label) @49
-Culled Empty Block (label) @57
+Culled Empty Block (label) @29
+Culled Empty Block (label) @41
+Culled Empty Block (label) @50
+Culled Empty Block (label) @58
 Culled Empty Block (label) main::@4
 Culled Empty Block (label) mul16s_compare::@12
 Culled Empty Block (label) mul16s_compare::@7
@@ -3877,7 +3878,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @56 to @1
+Renumbering block @57 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block print_sdword::@5 to print_sdword::@4
diff --git a/src/test/ref/test-multiply-8bit.log b/src/test/ref/test-multiply-8bit.log
index 5394d940d..fae9f4792 100644
--- a/src/test/ref/test-multiply-8bit.log
+++ b/src/test/ref/test-multiply-8bit.log
@@ -42,52 +42,53 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
+Culled Empty Block (label) @36
 Culled Empty Block (label) mul8u::@5
 Culled Empty Block (label) mul8u::@6
 Culled Empty Block (label) mul8u::@8
 Culled Empty Block (label) mul8u::@9
-Culled Empty Block (label) @36
-Culled Empty Block (label) mul8s::@5
 Culled Empty Block (label) @37
+Culled Empty Block (label) mul8s::@5
 Culled Empty Block (label) @38
 Culled Empty Block (label) @39
-Culled Empty Block (label) @41
+Culled Empty Block (label) @40
 Culled Empty Block (label) @42
-Culled Empty Block (label) mulf8u_prepared::@1
 Culled Empty Block (label) @43
-Culled Empty Block (label) mulf8u::@1
+Culled Empty Block (label) mulf8u_prepared::@1
 Culled Empty Block (label) @44
+Culled Empty Block (label) mulf8u::@1
 Culled Empty Block (label) @45
-Culled Empty Block (label) mulf8s_prepared::@5
 Culled Empty Block (label) @46
+Culled Empty Block (label) mulf8s_prepared::@5
+Culled Empty Block (label) @47
 Culled Empty Block (label) mulf8s::mulf8s_prepare1_@return
 Culled Empty Block (label) mulf8s::@1
-Culled Empty Block (label) @47
 Culled Empty Block (label) @48
-Culled Empty Block (label) @50
+Culled Empty Block (label) @49
+Culled Empty Block (label) @51
 Culled Empty Block (label) muls8u::@5
 Culled Empty Block (label) muls8u::@3
-Culled Empty Block (label) @51
+Culled Empty Block (label) @52
 Culled Empty Block (label) muls8s::@2
 Culled Empty Block (label) muls8s::@9
 Culled Empty Block (label) muls8s::@6
 Culled Empty Block (label) muls8s::@11
 Culled Empty Block (label) muls8s::@7
-Culled Empty Block (label) @53
-Culled Empty Block (label) mulf_tables_cmp::@4
 Culled Empty Block (label) @54
-Culled Empty Block (label) mul8u_compare::@9
+Culled Empty Block (label) mulf_tables_cmp::@4
 Culled Empty Block (label) @55
+Culled Empty Block (label) mul8u_compare::@9
 Culled Empty Block (label) @56
-Culled Empty Block (label) mul8s_compare::@9
 Culled Empty Block (label) @57
+Culled Empty Block (label) mul8s_compare::@9
+Culled Empty Block (label) @58
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
@@ -132,7 +133,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_str: scope:[print_str]  from mul8s_compare::@11 mul8s_error mul8s_error::@2 mul8s_error::@4 mul8s_error::@6 mul8s_error::@8 mul8u_compare::@11 mul8u_error mul8u_error::@2 mul8u_error::@4 mul8u_error::@6 mul8u_error::@8 mulf_tables_cmp::@3 mulf_tables_cmp::@5 mulf_tables_cmp::@7
   (byte*) print_char_cursor#155 ← phi( mul8s_compare::@11/(byte*) print_char_cursor#152 mul8s_error/(byte*) print_char_cursor#153 mul8s_error::@2/(byte*) print_char_cursor#56 mul8s_error::@4/(byte*) print_char_cursor#58 mul8s_error::@6/(byte*) print_char_cursor#60 mul8s_error::@8/(byte*) print_char_cursor#62 mul8u_compare::@11/(byte*) print_char_cursor#149 mul8u_error/(byte*) print_char_cursor#150 mul8u_error::@2/(byte*) print_char_cursor#40 mul8u_error::@4/(byte*) print_char_cursor#42 mul8u_error::@6/(byte*) print_char_cursor#44 mul8u_error::@8/(byte*) print_char_cursor#46 mulf_tables_cmp::@3/(byte*) print_char_cursor#146 mulf_tables_cmp::@5/(byte*) print_char_cursor#147 mulf_tables_cmp::@7/(byte*) print_char_cursor#29 )
   (byte*) print_str::str#18 ← phi( mul8s_compare::@11/(byte*) print_str::str#10 mul8s_error/(byte*) print_str::str#11 mul8s_error::@2/(byte*) print_str::str#12 mul8s_error::@4/(byte*) print_str::str#13 mul8s_error::@6/(byte*) print_str::str#14 mul8s_error::@8/(byte*) print_str::str#15 mul8u_compare::@11/(byte*) print_str::str#4 mul8u_error/(byte*) print_str::str#5 mul8u_error::@2/(byte*) print_str::str#6 mul8u_error::@4/(byte*) print_str::str#7 mul8u_error::@6/(byte*) print_str::str#8 mul8u_error::@8/(byte*) print_str::str#9 mulf_tables_cmp::@3/(byte*) print_str::str#1 mulf_tables_cmp::@5/(byte*) print_str::str#3 mulf_tables_cmp::@7/(byte*) print_str::str#2 )
@@ -294,12 +295,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#15 ← (byte*) print_char_cursor#82
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#8 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#179 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#89 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@40
+  to:@41
 print_byte: scope:[print_byte]  from mul8u_error::@1 mul8u_error::@3 print_sbyte::@2 print_word print_word::@1
   (byte*) print_char_cursor#143 ← phi( mul8u_error::@1/(byte*) print_char_cursor#39 mul8u_error::@3/(byte*) print_char_cursor#41 print_sbyte::@2/(byte*) print_char_cursor#141 print_word/(byte*) print_char_cursor#142 print_word::@1/(byte*) print_char_cursor#13 )
   (byte) print_byte::b#5 ← phi( mul8u_error::@1/(byte) print_byte::b#3 mul8u_error::@3/(byte) print_byte::b#4 print_sbyte::@2/(byte) print_byte::b#0 print_word/(byte) print_byte::b#1 print_word::@1/(byte) print_byte::b#2 )
@@ -459,15 +460,15 @@ mul8s::@return: scope:[mul8s]  from mul8s::@2
   (signed word) mul8s::return#1 ← (signed word) mul8s::return#3
   return 
   to:@return
-@40: scope:[]  from @28
-  (byte*) print_screen#7 ← phi( @28/(byte*) print_screen#8 )
-  (byte*) print_char_cursor#174 ← phi( @28/(byte*) print_char_cursor#179 )
-  (byte*) print_line_cursor#78 ← phi( @28/(byte*) print_line_cursor#89 )
+@41: scope:[]  from @29
+  (byte*) print_screen#7 ← phi( @29/(byte*) print_screen#8 )
+  (byte*) print_char_cursor#174 ← phi( @29/(byte*) print_char_cursor#179 )
+  (byte*) print_line_cursor#78 ← phi( @29/(byte*) print_line_cursor#89 )
   (byte[$200]) mulf_sqr1_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr1_hi#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mulf_sqr2_hi#0 ← { fill( $200, 0) }
-  to:@49
+  to:@50
 mulf_init: scope:[mulf_init]  from main::@1
   (word) mulf_init::sqr#0 ← (number) 0
   (byte) mulf_init::x_2#0 ← (number) 0
@@ -690,16 +691,16 @@ mulf8s::@return: scope:[mulf8s]  from mulf8s::@4
   (signed word) mulf8s::return#1 ← (signed word) mulf8s::return#3
   return 
   to:@return
-@49: scope:[]  from @40
-  (byte*) print_screen#6 ← phi( @40/(byte*) print_screen#7 )
-  (byte*) print_char_cursor#166 ← phi( @40/(byte*) print_char_cursor#174 )
-  (byte*) print_line_cursor#67 ← phi( @40/(byte*) print_line_cursor#78 )
+@50: scope:[]  from @41
+  (byte*) print_screen#6 ← phi( @41/(byte*) print_screen#7 )
+  (byte*) print_char_cursor#166 ← phi( @41/(byte*) print_char_cursor#174 )
+  (byte*) print_line_cursor#67 ← phi( @41/(byte*) print_line_cursor#78 )
   (byte*) BGCOL#0 ← ((byte*)) (number) $d021
-  to:@52
-main: scope:[main]  from @58
-  (byte*) print_char_cursor#144 ← phi( @58/(byte*) print_char_cursor#154 )
-  (byte*) print_line_cursor#46 ← phi( @58/(byte*) print_line_cursor#56 )
-  (byte*) print_screen#3 ← phi( @58/(byte*) print_screen#4 )
+  to:@53
+main: scope:[main]  from @59
+  (byte*) print_char_cursor#144 ← phi( @59/(byte*) print_char_cursor#154 )
+  (byte*) print_line_cursor#46 ← phi( @59/(byte*) print_line_cursor#56 )
+  (byte*) print_screen#3 ← phi( @59/(byte*) print_screen#4 )
   *((byte*) BGCOL#0) ← (number) 5
   call print_cls 
   to:main::@1
@@ -839,15 +840,15 @@ muls8s::@return: scope:[muls8s]  from muls8s::@3
   (signed word) muls8s::return#1 ← (signed word) muls8s::return#3
   return 
   to:@return
-@52: scope:[]  from @49
-  (byte*) print_screen#5 ← phi( @49/(byte*) print_screen#6 )
-  (byte*) print_char_cursor#165 ← phi( @49/(byte*) print_char_cursor#166 )
-  (byte*) print_line_cursor#66 ← phi( @49/(byte*) print_line_cursor#67 )
+@53: scope:[]  from @50
+  (byte*) print_screen#5 ← phi( @50/(byte*) print_screen#6 )
+  (byte*) print_char_cursor#165 ← phi( @50/(byte*) print_char_cursor#166 )
+  (byte*) print_line_cursor#66 ← phi( @50/(byte*) print_line_cursor#67 )
   (byte[$200]) mula_sqr1_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mula_sqr1_hi#0 ← { fill( $200, 0) }
   (byte[$200]) mula_sqr2_lo#0 ← { fill( $200, 0) }
   (byte[$200]) mula_sqr2_hi#0 ← { fill( $200, 0) }
-  to:@58
+  to:@59
 mulf_init_asm: scope:[mulf_init_asm]  from main::@2
   asm { ldx#$00 txa .byte$c9 lb1: tya adc#$00 ml1: stamula_sqr1_hi,x tay cmp#$40 txa ror ml9: adc#$00 staml9+1 inx ml0: stamula_sqr1_lo,x bnelb1 incml0+2 incml1+2 clc iny bnelb1 ldx#$00 ldy#$ff !: ldamula_sqr1_hi+1,x stamula_sqr2_hi+$100,x ldamula_sqr1_hi,x stamula_sqr2_hi,y ldamula_sqr1_lo+1,x stamula_sqr2_lo+$100,x ldamula_sqr1_lo,x stamula_sqr2_lo,y dey inx bne!-  }
   (byte*) mulf_init_asm::mem#0 ← ((byte*)) (number) $ff
@@ -1533,29 +1534,29 @@ mul8s_error::@return: scope:[mul8s_error]  from mul8s_error::@11
   (byte*) print_line_cursor#21 ← (byte*) print_line_cursor#43
   return 
   to:@return
-@58: scope:[]  from @52
-  (byte*) print_screen#4 ← phi( @52/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#154 ← phi( @52/(byte*) print_char_cursor#165 )
-  (byte*) print_line_cursor#56 ← phi( @52/(byte*) print_line_cursor#66 )
+@59: scope:[]  from @53
+  (byte*) print_screen#4 ← phi( @53/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#154 ← phi( @53/(byte*) print_char_cursor#165 )
+  (byte*) print_line_cursor#56 ← phi( @53/(byte*) print_line_cursor#66 )
   call main 
-  to:@59
-@59: scope:[]  from @58
-  (byte*) print_char_cursor#133 ← phi( @58/(byte*) print_char_cursor#27 )
-  (byte*) print_line_cursor#44 ← phi( @58/(byte*) print_line_cursor#9 )
+  to:@60
+@60: scope:[]  from @59
+  (byte*) print_char_cursor#133 ← phi( @59/(byte*) print_char_cursor#27 )
+  (byte*) print_line_cursor#44 ← phi( @59/(byte*) print_line_cursor#9 )
   (byte*) print_line_cursor#22 ← (byte*) print_line_cursor#44
   (byte*) print_char_cursor#67 ← (byte*) print_char_cursor#133
   to:@end
-@end: scope:[]  from @59
+@end: scope:[]  from @60
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @40
-(label) @49
-(label) @52
-(label) @58
+(label) @29
+(label) @41
+(label) @50
+(label) @53
 (label) @59
+(label) @60
 (label) @begin
 (label) @end
 (byte*) BGCOL
@@ -3729,12 +3730,12 @@ Added new block during phi lifting mul8s_compare::@19(between mul8s_compare::@5
 Added new block during phi lifting mul8s_compare::@20(between mul8s_compare::@3 and mul8s_compare::@4)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @40
-Adding NOP phi() at start of @49
-Adding NOP phi() at start of @52
-Adding NOP phi() at start of @58
+Adding NOP phi() at start of @29
+Adding NOP phi() at start of @41
+Adding NOP phi() at start of @50
+Adding NOP phi() at start of @53
 Adding NOP phi() at start of @59
+Adding NOP phi() at start of @60
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main::@1
 Adding NOP phi() at start of main::@2
@@ -3921,11 +3922,11 @@ Coalesced (already) [459] mulf_init::x_2#6 ← mulf_init::x_2#3
 Coalesced [472] memset::dst#3 ← memset::dst#1
 Coalesced down to 38 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @40
-Culled Empty Block (label) @49
-Culled Empty Block (label) @52
-Culled Empty Block (label) @59
+Culled Empty Block (label) @29
+Culled Empty Block (label) @41
+Culled Empty Block (label) @50
+Culled Empty Block (label) @53
+Culled Empty Block (label) @60
 Culled Empty Block (label) main::@6
 Culled Empty Block (label) mul8s_compare::@7
 Culled Empty Block (label) mul8s_compare::@15
@@ -3974,7 +3975,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @58 to @1
+Renumbering block @59 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block print_sbyte::@5 to print_sbyte::@4
diff --git a/src/test/ref/test-signed-word-minus-byte.log b/src/test/ref/test-signed-word-minus-byte.log
index 1da21865e..bd1760292 100644
--- a/src/test/ref/test-signed-word-minus-byte.log
+++ b/src/test/ref/test-signed-word-minus-byte.log
@@ -34,13 +34,14 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
+Culled Empty Block (label) @36
 Culled Empty Block (label) main::@2
 
 CONTROL FLOW GRAPH SSA
@@ -86,7 +87,7 @@ memset::@return: scope:[memset]  from memset::@1
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_ln: scope:[print_ln]  from main::@6
   (byte*) print_char_cursor#46 ← phi( main::@6/(byte*) print_char_cursor#20 )
   (byte*) print_line_cursor#17 ← phi( main::@6/(byte*) print_line_cursor#19 )
@@ -180,12 +181,12 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#32
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_screen#5 ← phi( @12/(byte*) print_screen#0 )
   (byte*) print_char_cursor#56 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte*) print_line_cursor#22 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@36
+  to:@37
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#51 ← phi( print_word/(byte*) print_char_cursor#50 print_word::@1/(byte*) print_char_cursor#7 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -241,10 +242,10 @@ print_cls::@return: scope:[print_cls]  from print_cls::@1
   (byte*) print_char_cursor#16 ← (byte*) print_char_cursor#38
   return 
   to:@return
-main: scope:[main]  from @36
-  (byte*) print_char_cursor#52 ← phi( @36/(byte*) print_char_cursor#54 )
-  (byte*) print_line_cursor#18 ← phi( @36/(byte*) print_line_cursor#20 )
-  (byte*) print_screen#3 ← phi( @36/(byte*) print_screen#4 )
+main: scope:[main]  from @37
+  (byte*) print_char_cursor#52 ← phi( @37/(byte*) print_char_cursor#54 )
+  (byte*) print_line_cursor#18 ← phi( @37/(byte*) print_line_cursor#20 )
+  (byte*) print_screen#3 ← phi( @37/(byte*) print_screen#4 )
   (signed word) main::w1#0 ← (number) $4d2
   call print_cls 
   to:main::@3
@@ -314,26 +315,26 @@ main::@return: scope:[main]  from main::@7
   (byte*) print_char_cursor#22 ← (byte*) print_char_cursor#44
   return 
   to:@return
-@36: scope:[]  from @28
-  (byte*) print_screen#4 ← phi( @28/(byte*) print_screen#5 )
-  (byte*) print_char_cursor#54 ← phi( @28/(byte*) print_char_cursor#56 )
-  (byte*) print_line_cursor#20 ← phi( @28/(byte*) print_line_cursor#22 )
+@37: scope:[]  from @29
+  (byte*) print_screen#4 ← phi( @29/(byte*) print_screen#5 )
+  (byte*) print_char_cursor#54 ← phi( @29/(byte*) print_char_cursor#56 )
+  (byte*) print_line_cursor#20 ← phi( @29/(byte*) print_line_cursor#22 )
   call main 
-  to:@37
-@37: scope:[]  from @36
-  (byte*) print_char_cursor#45 ← phi( @36/(byte*) print_char_cursor#22 )
-  (byte*) print_line_cursor#16 ← phi( @36/(byte*) print_line_cursor#7 )
+  to:@38
+@38: scope:[]  from @37
+  (byte*) print_char_cursor#45 ← phi( @37/(byte*) print_char_cursor#22 )
+  (byte*) print_line_cursor#16 ← phi( @37/(byte*) print_line_cursor#7 )
   (byte*) print_line_cursor#8 ← (byte*) print_line_cursor#16
   (byte*) print_char_cursor#23 ← (byte*) print_char_cursor#45
   to:@end
-@end: scope:[]  from @37
+@end: scope:[]  from @38
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @36
+(label) @29
 (label) @37
+(label) @38
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -749,9 +750,9 @@ Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_l
 Added new block during phi lifting main::@8(between main::@7 and main::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @36
+Adding NOP phi() at start of @29
 Adding NOP phi() at start of @37
+Adding NOP phi() at start of @38
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@3
@@ -798,8 +799,8 @@ Coalesced (already) [74] print_char_cursor#61 ← print_char_cursor#13
 Coalesced [90] memset::dst#3 ← memset::dst#1
 Coalesced down to 8 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @37
+Culled Empty Block (label) @29
+Culled Empty Block (label) @38
 Culled Empty Block (label) main::@3
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
@@ -811,7 +812,7 @@ Culled Empty Block (label) print_cls::@1
 Culled Empty Block (label) memset::@2
 Culled Empty Block (label) memset::@1
 Culled Empty Block (label) memset::@6
-Renumbering block @36 to @1
+Renumbering block @37 to @1
 Renumbering block memset::@4 to memset::@1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block main::@4 to main::@2
diff --git a/src/test/ref/travis1.log b/src/test/ref/travis1.log
index bde08170a..641144282 100644
--- a/src/test/ref/travis1.log
+++ b/src/test/ref/travis1.log
@@ -42,8 +42,9 @@ Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 Culled Empty Block (label) main::@4
-Culled Empty Block (label) @36
+Culled Empty Block (label) @37
 Culled Empty Block (label) game_ready::@3
 
 CONTROL FLOW GRAPH SSA
@@ -53,7 +54,7 @@ CONTROL FLOW GRAPH SSA
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@35
+  to:@36
 print_str_ln: scope:[print_str_ln]  from game_ready::@1 main::@3
   (byte*) print_line_cursor#29 ← phi( game_ready::@1/(byte*) print_line_cursor#27 main::@3/(byte*) print_line_cursor#25 )
   (byte*) print_char_cursor#27 ← phi( game_ready::@1/(byte*) print_char_cursor#33 main::@3/(byte*) print_char_cursor#31 )
@@ -125,16 +126,16 @@ print_ln::@return: scope:[print_ln]  from print_ln::@2
   (byte*) print_char_cursor#7 ← (byte*) print_char_cursor#20
   return 
   to:@return
-@35: scope:[]  from @12
+@36: scope:[]  from @12
   (byte*) print_line_cursor#33 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte*) print_char_cursor#39 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte) action_count#0 ← (number) 0
   (byte) READY_FRAMES#0 ← (number) 5
-  to:@37
-main: scope:[main]  from @37
-  (byte) action_count#17 ← phi( @37/(byte) action_count#16 )
-  (byte*) print_line_cursor#30 ← phi( @37/(byte*) print_line_cursor#28 )
-  (byte*) print_char_cursor#36 ← phi( @37/(byte*) print_char_cursor#34 )
+  to:@38
+main: scope:[main]  from @38
+  (byte) action_count#17 ← phi( @38/(byte) action_count#16 )
+  (byte*) print_line_cursor#30 ← phi( @38/(byte*) print_line_cursor#28 )
+  (byte*) print_char_cursor#36 ← phi( @38/(byte*) print_char_cursor#34 )
   (byte) main::i#0 ← (byte) 0
   to:main::@1
 main::@1: scope:[main]  from main main::@2
@@ -233,27 +234,27 @@ game_ready::@return: scope:[game_ready]  from game_ready::@4
   (byte) action_count#5 ← (byte) action_count#11
   return 
   to:@return
-@37: scope:[]  from @35
-  (byte) action_count#16 ← phi( @35/(byte) action_count#0 )
-  (byte*) print_line_cursor#28 ← phi( @35/(byte*) print_line_cursor#33 )
-  (byte*) print_char_cursor#34 ← phi( @35/(byte*) print_char_cursor#39 )
+@38: scope:[]  from @36
+  (byte) action_count#16 ← phi( @36/(byte) action_count#0 )
+  (byte*) print_line_cursor#28 ← phi( @36/(byte*) print_line_cursor#33 )
+  (byte*) print_char_cursor#34 ← phi( @36/(byte*) print_char_cursor#39 )
   call main 
-  to:@38
-@38: scope:[]  from @37
-  (byte) action_count#12 ← phi( @37/(byte) action_count#2 )
-  (byte*) print_line_cursor#21 ← phi( @37/(byte*) print_line_cursor#7 )
-  (byte*) print_char_cursor#26 ← phi( @37/(byte*) print_char_cursor#10 )
+  to:@39
+@39: scope:[]  from @38
+  (byte) action_count#12 ← phi( @38/(byte) action_count#2 )
+  (byte*) print_line_cursor#21 ← phi( @38/(byte*) print_line_cursor#7 )
+  (byte*) print_char_cursor#26 ← phi( @38/(byte*) print_char_cursor#10 )
   (byte*) print_char_cursor#13 ← (byte*) print_char_cursor#26
   (byte*) print_line_cursor#10 ← (byte*) print_line_cursor#21
   (byte) action_count#6 ← (byte) action_count#12
   to:@end
-@end: scope:[]  from @38
+@end: scope:[]  from @39
 
 SYMBOL TABLE SSA
 (label) @12
-(label) @35
-(label) @37
+(label) @36
 (label) @38
+(label) @39
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -551,9 +552,9 @@ Added new block during phi lifting main::@7(between main::@2 and main::@1)
 Added new block during phi lifting game_ready::@5(between game_ready and game_ready::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @37
+Adding NOP phi() at start of @36
 Adding NOP phi() at start of @38
+Adding NOP phi() at start of @39
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@6
@@ -585,14 +586,14 @@ Coalesced (already) [52] print_line_cursor#34 ← print_line_cursor#24
 Coalesced [57] action_count#21 ← action_count#13
 Coalesced down to 6 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @35
-Culled Empty Block (label) @38
+Culled Empty Block (label) @36
+Culled Empty Block (label) @39
 Culled Empty Block (label) main::@6
 Culled Empty Block (label) print_str_ln::@2
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
 Culled Empty Block (label) game_ready::@2
-Renumbering block @37 to @1
+Renumbering block @38 to @1
 Renumbering block main::@5 to main::@4
 Renumbering block main::@7 to main::@5
 Renumbering block game_ready::@4 to game_ready::@2
diff --git a/src/test/ref/type-signed.log b/src/test/ref/type-signed.log
index 530c4657c..1cc710aba 100644
--- a/src/test/ref/type-signed.log
+++ b/src/test/ref/type-signed.log
@@ -32,13 +32,14 @@ Culled Empty Block (label) @24
 Culled Empty Block (label) @25
 Culled Empty Block (label) @26
 Culled Empty Block (label) @27
-Culled Empty Block (label) @29
+Culled Empty Block (label) @28
 Culled Empty Block (label) @30
 Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
 Culled Empty Block (label) @35
+Culled Empty Block (label) @36
 Culled Empty Block (label) main::@2
 
 CONTROL FLOW GRAPH SSA
@@ -48,7 +49,7 @@ CONTROL FLOW GRAPH SSA
   (byte*) print_screen#0 ← ((byte*)) (number) $400
   (byte*) print_line_cursor#0 ← (byte*) print_screen#0
   (byte*) print_char_cursor#0 ← (byte*) print_line_cursor#0
-  to:@28
+  to:@29
 print_ln: scope:[print_ln]  from main::@5
   (byte*) print_char_cursor#41 ← phi( main::@5/(byte*) print_char_cursor#17 )
   (byte*) print_line_cursor#12 ← phi( main::@5/(byte*) print_line_cursor#13 )
@@ -142,11 +143,11 @@ print_word::@return: scope:[print_word]  from print_word::@2
   (byte*) print_char_cursor#9 ← (byte*) print_char_cursor#29
   return 
   to:@return
-@28: scope:[]  from @12
+@29: scope:[]  from @12
   (byte*) print_line_cursor#16 ← phi( @12/(byte*) print_line_cursor#0 )
   (byte*) print_char_cursor#51 ← phi( @12/(byte*) print_char_cursor#0 )
   (byte[]) print_hextab#0 ← (const string) $0
-  to:@36
+  to:@37
 print_byte: scope:[print_byte]  from print_word print_word::@1
   (byte*) print_char_cursor#46 ← phi( print_word/(byte*) print_char_cursor#45 print_word::@1/(byte*) print_char_cursor#7 )
   (byte) print_byte::b#2 ← phi( print_word/(byte) print_byte::b#0 print_word::@1/(byte) print_byte::b#1 )
@@ -182,9 +183,9 @@ print_char::@return: scope:[print_char]  from print_char
   (byte*) print_char_cursor#14 ← (byte*) print_char_cursor#34
   return 
   to:@return
-main: scope:[main]  from @36
-  (byte*) print_line_cursor#19 ← phi( @36/(byte*) print_line_cursor#14 )
-  (byte*) print_char_cursor#50 ← phi( @36/(byte*) print_char_cursor#48 )
+main: scope:[main]  from @37
+  (byte*) print_line_cursor#19 ← phi( @37/(byte*) print_line_cursor#14 )
+  (byte*) print_char_cursor#50 ← phi( @37/(byte*) print_char_cursor#48 )
   (signed word) main::a#0 ← (number) -$3ff
   (word) main::b#0 ← (number) $1024
   (byte) main::i#0 ← (byte) 0
@@ -248,25 +249,25 @@ main::@return: scope:[main]  from main::@6
   (byte*) print_line_cursor#4 ← (byte*) print_line_cursor#10
   return 
   to:@return
-@36: scope:[]  from @28
-  (byte*) print_line_cursor#14 ← phi( @28/(byte*) print_line_cursor#16 )
-  (byte*) print_char_cursor#48 ← phi( @28/(byte*) print_char_cursor#51 )
+@37: scope:[]  from @29
+  (byte*) print_line_cursor#14 ← phi( @29/(byte*) print_line_cursor#16 )
+  (byte*) print_char_cursor#48 ← phi( @29/(byte*) print_char_cursor#51 )
   call main 
-  to:@37
-@37: scope:[]  from @36
-  (byte*) print_line_cursor#11 ← phi( @36/(byte*) print_line_cursor#4 )
-  (byte*) print_char_cursor#40 ← phi( @36/(byte*) print_char_cursor#19 )
+  to:@38
+@38: scope:[]  from @37
+  (byte*) print_line_cursor#11 ← phi( @37/(byte*) print_line_cursor#4 )
+  (byte*) print_char_cursor#40 ← phi( @37/(byte*) print_char_cursor#19 )
   (byte*) print_char_cursor#20 ← (byte*) print_char_cursor#40
   (byte*) print_line_cursor#5 ← (byte*) print_line_cursor#11
   to:@end
-@end: scope:[]  from @37
+@end: scope:[]  from @38
 
 SYMBOL TABLE SSA
 (const string) $0 = (string) "0123456789abcdef"
 (label) @12
-(label) @28
-(label) @36
+(label) @29
 (label) @37
+(label) @38
 (label) @begin
 (label) @end
 (const byte) RADIX::BINARY = (number) 2
@@ -575,9 +576,9 @@ Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_l
 Added new block during phi lifting main::@7(between main::@6 and main::@1)
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @12
-Adding NOP phi() at start of @28
-Adding NOP phi() at start of @36
+Adding NOP phi() at start of @29
 Adding NOP phi() at start of @37
+Adding NOP phi() at start of @38
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 Adding NOP phi() at start of main::@5
@@ -615,15 +616,15 @@ Coalesced (already) [71] print_char_cursor#55 ← print_char_cursor#47
 Coalesced [74] print_sword::w#8 ← print_sword::w#0
 Coalesced down to 9 phi equivalence classes
 Culled Empty Block (label) @12
-Culled Empty Block (label) @28
-Culled Empty Block (label) @37
+Culled Empty Block (label) @29
+Culled Empty Block (label) @38
 Culled Empty Block (label) print_ln::@2
 Culled Empty Block (label) print_ln::@3
 Culled Empty Block (label) print_word::@2
 Culled Empty Block (label) print_byte::@2
 Culled Empty Block (label) print_sword::@6
 Culled Empty Block (label) print_sword::@7
-Renumbering block @36 to @1
+Renumbering block @37 to @1
 Renumbering block print_sword::@5 to print_sword::@4
 Renumbering block main::@3 to main::@2
 Renumbering block main::@4 to main::@3
diff --git a/src/test/ref/wfragment1.log b/src/test/ref/wfragment1.log
index b1c674472..5a62f9646 100644
--- a/src/test/ref/wfragment1.log
+++ b/src/test/ref/wfragment1.log
@@ -41,19 +41,20 @@ Culled Empty Block (label) @31
 Culled Empty Block (label) @32
 Culled Empty Block (label) @33
 Culled Empty Block (label) @34
+Culled Empty Block (label) @35
 Culled Empty Block (label) main::@2
-Culled Empty Block (label) @36
-Culled Empty Block (label) move_enemy::@1
 Culled Empty Block (label) @37
+Culled Empty Block (label) move_enemy::@1
+Culled Empty Block (label) @38
 
 CONTROL FLOW GRAPH SSA
 @begin: scope:[]  from
-  to:@35
-@35: scope:[]  from @begin
+  to:@36
+@36: scope:[]  from @begin
   (byte) MAX_OBJECTS#0 ← (number) $10
   (word[MAX_OBJECTS#0]) OBJ_WORLD_X#0 ← { fill( MAX_OBJECTS#0, 0) }
-  to:@38
-main: scope:[main]  from @38
+  to:@39
+main: scope:[main]  from @39
   (byte) main::i#0 ← (byte) 0
   to:main::@1
 main::@1: scope:[main]  from main main::@3
@@ -82,17 +83,17 @@ move_enemy::@return: scope:[move_enemy]  from move_enemy
   (bool) move_enemy::return#2 ← (bool) move_enemy::return#3
   return 
   to:@return
-@38: scope:[]  from @35
+@39: scope:[]  from @36
   call main 
-  to:@39
-@39: scope:[]  from @38
+  to:@40
+@40: scope:[]  from @39
   to:@end
-@end: scope:[]  from @39
+@end: scope:[]  from @40
 
 SYMBOL TABLE SSA
-(label) @35
-(label) @38
+(label) @36
 (label) @39
+(label) @40
 (label) @begin
 (label) @end
 (byte) MAX_OBJECTS
@@ -175,9 +176,9 @@ Eliminating unused constant (const byte) SIZEOF_WORD
 Successful SSA optimization PassNEliminateUnusedVars
 Added new block during phi lifting main::@4(between main::@3 and main::@1)
 Adding NOP phi() at start of @begin
-Adding NOP phi() at start of @35
-Adding NOP phi() at start of @38
+Adding NOP phi() at start of @36
 Adding NOP phi() at start of @39
+Adding NOP phi() at start of @40
 Adding NOP phi() at start of @end
 Adding NOP phi() at start of main
 CALL GRAPH
@@ -187,10 +188,10 @@ Calls in [main] to move_enemy:9
 Created 1 initial phi equivalence classes
 Coalesced [13] main::i#4 ← main::i#1
 Coalesced down to 1 phi equivalence classes
-Culled Empty Block (label) @35
-Culled Empty Block (label) @39
+Culled Empty Block (label) @36
+Culled Empty Block (label) @40
 Culled Empty Block (label) main::@4
-Renumbering block @38 to @1
+Renumbering block @39 to @1
 Renumbering block main::@3 to main::@2
 Adding NOP phi() at start of @begin
 Adding NOP phi() at start of @1