mirror of
https://gitlab.com/camelot/kickc.git
synced 2025-01-14 09:30:57 +00:00
Added missing fragments from @Flight_Control. Also demonstrates problem with auto-casting integers to pointers. Closes #656
This commit is contained in:
jespergravgaard
parent
0174743e94
commit
a076fde1f0
@ -0,0 +1,11 @@
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lda ({z1}),y
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sta $fe
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iny
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lda ({z1}),y
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sta $ff
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ldy #{c2}
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lda ({z1}),y
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sta ($fe),y
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iny
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lda ({z1}),y
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sta ($fe),y
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@ -14,6 +14,11 @@ public class TestProgramsFast extends TestPrograms {
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compileAndCompare("procedure-declare-0.c");
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}
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@Test
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public void testStructPointerTyping() throws IOException {
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compileAndCompare("struct-pointer-typing.c");
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}
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@Test
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public void testInitValueNpe() throws IOException {
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compileAndCompare("init-value-npe.c");
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19
src/test/kc/struct-pointer-typing.c
Normal file
19
src/test/kc/struct-pointer-typing.c
Normal file
@ -0,0 +1,19 @@
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struct Block {
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unsigned int data;
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unsigned int next;
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unsigned int prev;
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};
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struct Block blocks[10];
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void main() {
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struct Block* ptr = blocks;
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for(char i=0;i<10;i++) {
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struct Block* ptr2;
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ptr2 = (struct Block*)ptr->prev;
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ptr2->next = ptr->next;
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ptr++;
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}
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}
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53
src/test/ref/struct-pointer-typing.asm
Normal file
53
src/test/ref/struct-pointer-typing.asm
Normal file
@ -0,0 +1,53 @@
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// Commodore 64 PRG executable file
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.file [name="struct-pointer-typing.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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.const SIZEOF_STRUCT_BLOCK = 6
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.const OFFSET_STRUCT_BLOCK_PREV = 4
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.const OFFSET_STRUCT_BLOCK_NEXT = 2
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.segment Code
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main: {
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.label ptr = 2
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lda #<blocks
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sta.z ptr
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lda #>blocks
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sta.z ptr+1
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ldx #0
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__b1:
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// for(char i=0;i<10;i++)
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cpx #$a
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bcc __b2
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// }
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rts
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__b2:
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// ptr2->next = ptr->next
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ldy #OFFSET_STRUCT_BLOCK_PREV
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lda (ptr),y
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sta.z $fe
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iny
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lda (ptr),y
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sta.z $ff
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ldy #OFFSET_STRUCT_BLOCK_NEXT
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lda (ptr),y
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sta ($fe),y
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iny
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lda (ptr),y
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sta ($fe),y
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// ptr++;
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lda #SIZEOF_STRUCT_BLOCK
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clc
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adc.z ptr
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sta.z ptr
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bcc !+
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inc.z ptr+1
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!:
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// for(char i=0;i<10;i++)
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inx
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jmp __b1
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}
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.segment Data
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blocks: .fill 6*$a, 0
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18
src/test/ref/struct-pointer-typing.cfg
Normal file
18
src/test/ref/struct-pointer-typing.cfg
Normal file
@ -0,0 +1,18 @@
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void main()
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main: scope:[main] from
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[0] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[1] main::ptr#2 = phi( main/blocks, main::@2/main::ptr#1 )
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[1] main::i#2 = phi( main/0, main::@2/main::i#1 )
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[2] if(main::i#2<$a) goto main::@2
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to:main::@return
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main::@return: scope:[main] from main::@1
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[3] return
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to:@return
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main::@2: scope:[main] from main::@1
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[4] ((word*)(struct Block*)((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_PREV])[OFFSET_STRUCT_BLOCK_NEXT] = ((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_NEXT]
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[5] main::ptr#1 = main::ptr#2 + SIZEOF_STRUCT_BLOCK
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[6] main::i#1 = ++ main::i#2
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to:main::@1
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358
src/test/ref/struct-pointer-typing.log
Normal file
358
src/test/ref/struct-pointer-typing.log
Normal file
@ -0,0 +1,358 @@
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start
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main::ptr#0 = blocks
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main::i#0 = 0
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to:main::@1
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main::@1: scope:[main] from main main::@2
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main::ptr#3 = phi( main/main::ptr#0, main::@2/main::ptr#1 )
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main::i#2 = phi( main/main::i#0, main::@2/main::i#1 )
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main::$0 = main::i#2 < $a
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if(main::$0) goto main::@2
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to:main::@return
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main::@2: scope:[main] from main::@1
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main::i#3 = phi( main::@1/main::i#2 )
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main::ptr#2 = phi( main::@1/main::ptr#3 )
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main::ptr2#0 = (struct Block*) 0
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main::$4 = (word*)main::ptr#2
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main::$1 = main::$4 + OFFSET_STRUCT_BLOCK_PREV
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main::ptr2#1 = (struct Block*)*main::$1
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main::$5 = (word*)main::ptr#2
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main::$2 = main::$5 + OFFSET_STRUCT_BLOCK_NEXT
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main::$6 = (word*)main::ptr2#1
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main::$3 = main::$6 + OFFSET_STRUCT_BLOCK_NEXT
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*main::$3 = *main::$2
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main::ptr#1 = main::ptr#2 + SIZEOF_STRUCT_BLOCK
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main::i#1 = ++ main::i#3
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to:main::@1
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main::@return: scope:[main] from main::@1
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return
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to:@return
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void __start()
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__start: scope:[__start] from
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call main
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to:__start::@1
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__start::@1: scope:[__start] from __start
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to:__start::@return
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__start::@return: scope:[__start] from __start::@1
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return
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to:@return
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SYMBOL TABLE SSA
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constant byte OFFSET_STRUCT_BLOCK_NEXT = 2
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constant byte OFFSET_STRUCT_BLOCK_PREV = 4
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constant byte SIZEOF_STRUCT_BLOCK = 6
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void __start()
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constant struct Block* blocks[$a] = { fill( $a, 0) }
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void main()
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bool~ main::$0
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word*~ main::$1
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word*~ main::$2
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word*~ main::$3
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word*~ main::$4
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word*~ main::$5
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word*~ main::$6
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byte main::i
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byte main::i#0
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byte main::i#1
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byte main::i#2
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byte main::i#3
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struct Block* main::ptr
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struct Block* main::ptr#0
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struct Block* main::ptr#1
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struct Block* main::ptr#2
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struct Block* main::ptr#3
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struct Block* main::ptr2
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struct Block* main::ptr2#0
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struct Block* main::ptr2#1
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Adding number conversion cast (unumber) $a in main::$0 = main::i#2 < $a
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $a
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $a
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias main::ptr#2 = main::ptr#3
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Alias main::i#2 = main::i#3
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Successful SSA optimization Pass2AliasElimination
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Simple Condition main::$0 [4] if(main::i#2<$a) goto main::@2
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant main::ptr#0 = blocks
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Constant main::i#0 = 0
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Constant main::ptr2#0 = (struct Block*) 0
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Successful SSA optimization Pass2ConstantIdentification
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Converting *(pointer+n) to pointer[n] [8] main::ptr2#1 = (struct Block*)*main::$1 -- main::$4[OFFSET_STRUCT_BLOCK_PREV]
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Converting *(pointer+n) to pointer[n] [13] *main::$3 = *main::$2 -- main::$5[OFFSET_STRUCT_BLOCK_NEXT]
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Converting *(pointer+n) to pointer[n] [13] *main::$3 = main::$5[OFFSET_STRUCT_BLOCK_NEXT] -- main::$6[OFFSET_STRUCT_BLOCK_NEXT]
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Successful SSA optimization Pass2InlineDerefIdx
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Eliminating unused variable main::$1 and assignment [3] main::$1 = main::$4 + OFFSET_STRUCT_BLOCK_PREV
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Eliminating unused variable main::$2 and assignment [6] main::$2 = main::$5 + OFFSET_STRUCT_BLOCK_NEXT
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Eliminating unused variable main::$3 and assignment [8] main::$3 = main::$6 + OFFSET_STRUCT_BLOCK_NEXT
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Eliminating unused constant main::ptr2#0
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Successful SSA optimization PassNEliminateUnusedVars
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Removing unused procedure __start
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Removing unused procedure block __start
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Removing unused procedure block __start::@1
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Removing unused procedure block __start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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Inlining Noop Cast [2] main::$4 = (word*)main::ptr#2 keeping main::ptr#2
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Inlining Noop Cast [3] main::ptr2#1 = (struct Block*)main::$4[OFFSET_STRUCT_BLOCK_PREV] keeping main::$4[OFFSET_STRUCT_BLOCK_PREV]
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Inlining Noop Cast [4] main::$5 = (word*)main::ptr#2 keeping main::ptr#2
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Inlining Noop Cast [5] main::$6 = (word*)main::ptr2#1 keeping main::ptr2#1
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Successful SSA optimization Pass2NopCastInlining
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Inlining constant with var siblings main::ptr#0
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Inlining constant with var siblings main::i#0
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Constant inlined main::i#0 = 0
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Constant inlined main::ptr#0 = blocks
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Successful SSA optimization Pass2ConstantInlining
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Finalized unsigned number type (byte) $a
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Finalized unsigned number type (byte) $a
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Adding NOP phi() at start of main
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CALL GRAPH
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Created 2 initial phi equivalence classes
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Coalesced [7] main::i#4 = main::i#1
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Coalesced [8] main::ptr#4 = main::ptr#1
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Coalesced down to 2 phi equivalence classes
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Adding NOP phi() at start of main
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FINAL CONTROL FLOW GRAPH
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void main()
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main: scope:[main] from
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[0] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[1] main::ptr#2 = phi( main/blocks, main::@2/main::ptr#1 )
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[1] main::i#2 = phi( main/0, main::@2/main::i#1 )
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[2] if(main::i#2<$a) goto main::@2
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to:main::@return
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main::@return: scope:[main] from main::@1
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[3] return
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to:@return
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main::@2: scope:[main] from main::@1
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[4] ((word*)(struct Block*)((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_PREV])[OFFSET_STRUCT_BLOCK_NEXT] = ((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_NEXT]
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[5] main::ptr#1 = main::ptr#2 + SIZEOF_STRUCT_BLOCK
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[6] main::i#1 = ++ main::i#2
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to:main::@1
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VARIABLE REGISTER WEIGHTS
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void main()
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byte main::i
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byte main::i#1 22.0
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byte main::i#2 8.25
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struct Block* main::ptr
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struct Block* main::ptr#1 11.0
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struct Block* main::ptr#2 7.333333333333333
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struct Block* main::ptr2
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::ptr#2 main::ptr#1 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::ptr#2 main::ptr#1 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[2]:3 [ main::ptr#2 main::ptr#1 ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] ((word*)(struct Block*)((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_PREV])[OFFSET_STRUCT_BLOCK_NEXT] = ((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_NEXT] [ main::i#2 main::ptr#2 ] ( [ main::i#2 main::ptr#2 ] { } ) always clobbers reg byte a reg byte y
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
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Removing always clobbered register reg byte y as potential for zp[1]:2 [ main::i#2 main::i#1 ]
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Statement [5] main::ptr#1 = main::ptr#2 + SIZEOF_STRUCT_BLOCK [ main::i#2 main::ptr#1 ] ( [ main::i#2 main::ptr#1 ] { } ) always clobbers reg byte a
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Statement [4] ((word*)(struct Block*)((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_PREV])[OFFSET_STRUCT_BLOCK_NEXT] = ((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_NEXT] [ main::i#2 main::ptr#2 ] ( [ main::i#2 main::ptr#2 ] { } ) always clobbers reg byte a reg byte y
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Statement [5] main::ptr#1 = main::ptr#2 + SIZEOF_STRUCT_BLOCK [ main::i#2 main::ptr#1 ] ( [ main::i#2 main::ptr#1 ] { } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x ,
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Potential registers zp[2]:3 [ main::ptr#2 main::ptr#1 ] : zp[2]:3 ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 30.25: zp[1]:2 [ main::i#2 main::i#1 ] 18.33: zp[2]:3 [ main::ptr#2 main::ptr#1 ]
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Uplift Scope [Block]
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Uplift Scope []
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Uplifting [main] best 936 combination reg byte x [ main::i#2 main::i#1 ] zp[2]:3 [ main::ptr#2 main::ptr#1 ]
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Uplifting [Block] best 936 combination
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Uplifting [] best 936 combination
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Allocated (was zp[2]:3) zp[2]:2 [ main::ptr#2 main::ptr#1 ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="struct-pointer-typing.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.const SIZEOF_STRUCT_BLOCK = 6
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.const OFFSET_STRUCT_BLOCK_PREV = 4
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.const OFFSET_STRUCT_BLOCK_NEXT = 2
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.segment Code
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// main
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main: {
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.label ptr = 2
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// [1] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [1] phi main::ptr#2 = blocks [phi:main->main::@1#0] -- pssz1=pssc1
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lda #<blocks
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sta.z ptr
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lda #>blocks
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sta.z ptr+1
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// [1] phi main::i#2 = 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
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ldx #0
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jmp __b1
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// main::@1
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__b1:
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// [2] if(main::i#2<$a) goto main::@2 -- vbuxx_lt_vbuc1_then_la1
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cpx #$a
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bcc __b2
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jmp __breturn
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// main::@return
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__breturn:
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// [3] return
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rts
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// main::@2
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__b2:
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// [4] ((word*)(struct Block*)((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_PREV])[OFFSET_STRUCT_BLOCK_NEXT] = ((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_NEXT] -- (qwuz1_derefidx_vbuc1)_derefidx_vbuc2=pwuz1_derefidx_vbuc2
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ldy #OFFSET_STRUCT_BLOCK_PREV
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lda (ptr),y
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sta.z $fe
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iny
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lda (ptr),y
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sta.z $ff
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ldy #OFFSET_STRUCT_BLOCK_NEXT
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lda (ptr),y
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sta ($fe),y
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iny
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lda (ptr),y
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sta ($fe),y
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// [5] main::ptr#1 = main::ptr#2 + SIZEOF_STRUCT_BLOCK -- pssz1=pssz1_plus_vbuc1
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lda #SIZEOF_STRUCT_BLOCK
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clc
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adc.z ptr
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sta.z ptr
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bcc !+
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inc.z ptr+1
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!:
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// [6] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [1] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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__b1_from___b2:
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// [1] phi main::ptr#2 = main::ptr#1 [phi:main::@2->main::@1#0] -- register_copy
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// [1] phi main::i#2 = main::i#1 [phi:main::@2->main::@1#1] -- register_copy
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jmp __b1
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}
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// File Data
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.segment Data
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blocks: .fill 6*$a, 0
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp __b1
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction __b1_from_main:
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Removing instruction __breturn:
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Removing instruction __b1_from___b2:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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constant byte OFFSET_STRUCT_BLOCK_NEXT = 2
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constant byte OFFSET_STRUCT_BLOCK_PREV = 4
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constant byte SIZEOF_STRUCT_BLOCK = 6
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constant struct Block* blocks[$a] = { fill( $a, 0) }
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void main()
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byte main::i
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byte main::i#1 reg byte x 22.0
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byte main::i#2 reg byte x 8.25
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struct Block* main::ptr
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struct Block* main::ptr#1 ptr zp[2]:2 11.0
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struct Block* main::ptr#2 ptr zp[2]:2 7.333333333333333
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struct Block* main::ptr2
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|
||||
reg byte x [ main::i#2 main::i#1 ]
|
||||
zp[2]:2 [ main::ptr#2 main::ptr#1 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 876
|
||||
|
||||
// File Comments
|
||||
// Upstart
|
||||
// Commodore 64 PRG executable file
|
||||
.file [name="struct-pointer-typing.prg", type="prg", segments="Program"]
|
||||
.segmentdef Program [segments="Basic, Code, Data"]
|
||||
.segmentdef Basic [start=$0801]
|
||||
.segmentdef Code [start=$80d]
|
||||
.segmentdef Data [startAfter="Code"]
|
||||
.segment Basic
|
||||
:BasicUpstart(main)
|
||||
// Global Constants & labels
|
||||
.const SIZEOF_STRUCT_BLOCK = 6
|
||||
.const OFFSET_STRUCT_BLOCK_PREV = 4
|
||||
.const OFFSET_STRUCT_BLOCK_NEXT = 2
|
||||
.segment Code
|
||||
// main
|
||||
main: {
|
||||
.label ptr = 2
|
||||
// [1] phi from main to main::@1 [phi:main->main::@1]
|
||||
// [1] phi main::ptr#2 = blocks [phi:main->main::@1#0] -- pssz1=pssc1
|
||||
lda #<blocks
|
||||
sta.z ptr
|
||||
lda #>blocks
|
||||
sta.z ptr+1
|
||||
// [1] phi main::i#2 = 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
// main::@1
|
||||
__b1:
|
||||
// for(char i=0;i<10;i++)
|
||||
// [2] if(main::i#2<$a) goto main::@2 -- vbuxx_lt_vbuc1_then_la1
|
||||
cpx #$a
|
||||
bcc __b2
|
||||
// main::@return
|
||||
// }
|
||||
// [3] return
|
||||
rts
|
||||
// main::@2
|
||||
__b2:
|
||||
// ptr2->next = ptr->next
|
||||
// [4] ((word*)(struct Block*)((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_PREV])[OFFSET_STRUCT_BLOCK_NEXT] = ((word*)main::ptr#2)[OFFSET_STRUCT_BLOCK_NEXT] -- (qwuz1_derefidx_vbuc1)_derefidx_vbuc2=pwuz1_derefidx_vbuc2
|
||||
ldy #OFFSET_STRUCT_BLOCK_PREV
|
||||
lda (ptr),y
|
||||
sta.z $fe
|
||||
iny
|
||||
lda (ptr),y
|
||||
sta.z $ff
|
||||
ldy #OFFSET_STRUCT_BLOCK_NEXT
|
||||
lda (ptr),y
|
||||
sta ($fe),y
|
||||
iny
|
||||
lda (ptr),y
|
||||
sta ($fe),y
|
||||
// ptr++;
|
||||
// [5] main::ptr#1 = main::ptr#2 + SIZEOF_STRUCT_BLOCK -- pssz1=pssz1_plus_vbuc1
|
||||
lda #SIZEOF_STRUCT_BLOCK
|
||||
clc
|
||||
adc.z ptr
|
||||
sta.z ptr
|
||||
bcc !+
|
||||
inc.z ptr+1
|
||||
!:
|
||||
// for(char i=0;i<10;i++)
|
||||
// [6] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
// [1] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
||||
// [1] phi main::ptr#2 = main::ptr#1 [phi:main::@2->main::@1#0] -- register_copy
|
||||
// [1] phi main::i#2 = main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
||||
jmp __b1
|
||||
}
|
||||
// File Data
|
||||
.segment Data
|
||||
blocks: .fill 6*$a, 0
|
||||
|
||||
15
src/test/ref/struct-pointer-typing.sym
Normal file
15
src/test/ref/struct-pointer-typing.sym
Normal file
@ -0,0 +1,15 @@
|
||||
constant byte OFFSET_STRUCT_BLOCK_NEXT = 2
|
||||
constant byte OFFSET_STRUCT_BLOCK_PREV = 4
|
||||
constant byte SIZEOF_STRUCT_BLOCK = 6
|
||||
constant struct Block* blocks[$a] = { fill( $a, 0) }
|
||||
void main()
|
||||
byte main::i
|
||||
byte main::i#1 reg byte x 22.0
|
||||
byte main::i#2 reg byte x 8.25
|
||||
struct Block* main::ptr
|
||||
struct Block* main::ptr#1 ptr zp[2]:2 11.0
|
||||
struct Block* main::ptr#2 ptr zp[2]:2 7.333333333333333
|
||||
struct Block* main::ptr2
|
||||
|
||||
reg byte x [ main::i#2 main::i#1 ]
|
||||
zp[2]:2 [ main::ptr#2 main::ptr#1 ]
|
||||
Loading…
x
Reference in New Issue
Block a user