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mirror of https://gitlab.com/camelot/kickc.git synced 2024-12-30 15:31:17 +00:00

Added test of chained assignments.

This commit is contained in:
jespergravgaard 2018-04-28 08:22:53 +02:00
parent 7ed032f039
commit 37e300fb2b
6 changed files with 441 additions and 0 deletions

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@ -44,6 +44,11 @@ public class TestPrograms {
AsmFragmentTemplateUsages.logUsages(log, false, false, false, false, false, false);
}
@Test
public void testChainedAssignment() throws IOException, URISyntaxException {
compileAndCompare("chained-assignment");
}
@Test
public void testConcatChar() throws IOException, URISyntaxException {
compileAndCompare("concat-char");

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@ -0,0 +1,12 @@
// Tests that chained assignments work as intended
void main() {
byte* screen = $400;
byte a;
screen[0] = a = 'c';
screen[40] = a;
a = screen[1] = 'm';
screen[41] = a;
screen[2] = 1 + (a = 'l'); // Chained assignment with a modification of the result
screen[42] = a;
}

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@ -0,0 +1,18 @@
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
jsr main
main: {
.label screen = $400
lda #'c'
sta screen+0
sta screen+$28
lda #'m'
sta screen+1
sta screen+$29
lda #1+'l'
sta screen+2
lda #'l'
sta screen+$2a
rts
}

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@ -0,0 +1,21 @@
@begin: scope:[] from
[0] phi() [ ] ( )
to:@1
@1: scope:[] from @begin
[1] phi() [ ] ( )
[2] call main param-assignment [ ] ( )
to:@end
@end: scope:[] from @1
[3] phi() [ ] ( )
main: scope:[main] from @1
[4] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) 'c' [ ] ( main:2 [ ] )
[5] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) 'c' [ ] ( main:2 [ ] )
[6] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm' [ ] ( main:2 [ ] )
[7] (byte) main::a#1 ← *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) [ main::a#1 ] ( main:2 [ main::a#1 ] )
[8] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 41) ← (byte) main::a#1 [ ] ( main:2 [ ] )
[9] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed byte/word/signed word/dword/signed dword) 1+(byte) 'l' [ ] ( main:2 [ ] )
[10] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) 'l' [ ] ( main:2 [ ] )
to:main::@return
main::@return: scope:[main] from main
[11] return [ ] ( main:2 [ ] )
to:@return

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@ -0,0 +1,374 @@
PARSING src/test/java/dk/camelot64/kickc/test/kc/chained-assignment.kc
// Tests that chained assignments work as intended
void main() {
byte* screen = $400;
byte a;
screen[0] = a = 'c';
screen[40] = a;
a = screen[1] = 'm';
screen[41] = a;
screen[2] = 1 + (a = 'l'); // Chained assignment with a modification of the result
screen[42] = a;
}
SYMBOLS
(label) @1
(label) @begin
(label) @end
(void()) main()
(byte/signed word/word/dword/signed dword~) main::$0
(label) main::@return
(byte) main::a
(byte*) main::screen
Promoting word/signed word/dword/signed dword to byte* in main::screen ← ((byte*)) 1024
INITIAL CONTROL FLOW GRAPH
@begin: scope:[] from
to:@1
main: scope:[main] from
(byte*) main::screen ← ((byte*)) (word/signed word/dword/signed dword) 1024
(byte) main::a ← (byte) 'c'
*((byte*) main::screen + (byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) main::a
*((byte*) main::screen + (byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) main::a
*((byte*) main::screen + (byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm'
(byte) main::a ← *((byte*) main::screen + (byte/signed byte/word/signed word/dword/signed dword) 1)
*((byte*) main::screen + (byte/signed byte/word/signed word/dword/signed dword) 41) ← (byte) main::a
(byte) main::a ← (byte) 'l'
(byte/signed word/word/dword/signed dword~) main::$0 ← (byte/signed byte/word/signed word/dword/signed dword) 1 + (byte) main::a
*((byte*) main::screen + (byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed word/word/dword/signed dword~) main::$0
*((byte*) main::screen + (byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) main::a
to:main::@return
main::@return: scope:[main] from main
return
to:@return
@1: scope:[] from @begin
call main
to:@end
@end: scope:[] from @1
PROCEDURE MODIFY VARIABLE ANALYSIS
Completing Phi functions...
CONTROL FLOW GRAPH SSA WITH ASSIGNMENT CALL & RETURN
@begin: scope:[] from
to:@1
main: scope:[main] from @1
(byte*) main::screen#0 ← ((byte*)) (word/signed word/dword/signed dword) 1024
(byte) main::a#0 ← (byte) 'c'
*((byte*) main::screen#0 + (byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) main::a#0
*((byte*) main::screen#0 + (byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) main::a#0
*((byte*) main::screen#0 + (byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm'
(byte) main::a#1 ← *((byte*) main::screen#0 + (byte/signed byte/word/signed word/dword/signed dword) 1)
*((byte*) main::screen#0 + (byte/signed byte/word/signed word/dword/signed dword) 41) ← (byte) main::a#1
(byte) main::a#2 ← (byte) 'l'
(byte/signed word/word/dword/signed dword~) main::$0 ← (byte/signed byte/word/signed word/dword/signed dword) 1 + (byte) main::a#2
*((byte*) main::screen#0 + (byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed word/word/dword/signed dword~) main::$0
*((byte*) main::screen#0 + (byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) main::a#2
to:main::@return
main::@return: scope:[main] from main
return
to:@return
@1: scope:[] from @begin
call main param-assignment
to:@2
@2: scope:[] from @1
to:@end
@end: scope:[] from @2
SYMBOL TABLE SSA
(label) @1
(label) @2
(label) @begin
(label) @end
(void()) main()
(byte/signed word/word/dword/signed dword~) main::$0
(label) main::@return
(byte) main::a
(byte) main::a#0
(byte) main::a#1
(byte) main::a#2
(byte*) main::screen
(byte*) main::screen#0
OPTIMIZING CONTROL FLOW GRAPH
Culled Empty Block (label) @2
Succesful SSA optimization Pass2CullEmptyBlocks
Constant (const byte*) main::screen#0 = ((byte*))1024
Constant (const byte) main::a#0 = 'c'
Constant (const byte) main::a#2 = 'l'
Succesful SSA optimization Pass2ConstantIdentification
Constant (const byte/signed word/word/dword/signed dword) main::$0 = 1+main::a#2
Succesful SSA optimization Pass2ConstantIdentification
Consolidated array index constant in *(main::screen#0+0)
Consolidated array index constant in *(main::screen#0+40)
Consolidated array index constant in *(main::screen#0+1)
Consolidated array index constant in *(main::screen#0+1)
Consolidated array index constant in *(main::screen#0+41)
Consolidated array index constant in *(main::screen#0+2)
Consolidated array index constant in *(main::screen#0+42)
Succesful SSA optimization Pass2ConstantAdditionElimination
OPTIMIZING CONTROL FLOW GRAPH
Inlining constant with var siblings (const byte) main::a#0
Inlining constant with different constant siblings (const byte) main::a#0
Inlining constant with var siblings (const byte) main::a#2
Inlining constant with different constant siblings (const byte) main::a#2
Constant inlined main::a#0 = (byte) 'c'
Constant inlined main::a#2 = (byte) 'l'
Constant inlined main::$0 = (byte/signed byte/word/signed word/dword/signed dword) 1+(byte) 'l'
Succesful SSA optimization Pass2ConstantInlining
Block Sequence Planned @begin @1 @end main main::@return
Block Sequence Planned @begin @1 @end main main::@return
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
CALL GRAPH
Calls in [] to main:2
Propagating live ranges...
Propagating live ranges...
Created 0 initial phi equivalence classes
Coalesced down to 0 phi equivalence classes
Block Sequence Planned @begin @1 @end main main::@return
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Propagating live ranges...
Propagating live ranges...
FINAL CONTROL FLOW GRAPH
@begin: scope:[] from
[0] phi() [ ] ( )
to:@1
@1: scope:[] from @begin
[1] phi() [ ] ( )
[2] call main param-assignment [ ] ( )
to:@end
@end: scope:[] from @1
[3] phi() [ ] ( )
main: scope:[main] from @1
[4] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) 'c' [ ] ( main:2 [ ] )
[5] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) 'c' [ ] ( main:2 [ ] )
[6] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm' [ ] ( main:2 [ ] )
[7] (byte) main::a#1 ← *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) [ main::a#1 ] ( main:2 [ main::a#1 ] )
[8] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 41) ← (byte) main::a#1 [ ] ( main:2 [ ] )
[9] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed byte/word/signed word/dword/signed dword) 1+(byte) 'l' [ ] ( main:2 [ ] )
[10] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) 'l' [ ] ( main:2 [ ] )
to:main::@return
main::@return: scope:[main] from main
[11] return [ ] ( main:2 [ ] )
to:@return
DOMINATORS
@begin dominated by @begin
@1 dominated by @1 @begin
@end dominated by @1 @begin @end
main dominated by @1 @begin main
main::@return dominated by main::@return @1 @begin main
NATURAL LOOPS
NATURAL LOOPS WITH DEPTH
Found 0 loops in scope []
Found 0 loops in scope [main]
VARIABLE REGISTER WEIGHTS
(void()) main()
(byte) main::a
(byte) main::a#1 4.0
(byte*) main::screen
Initial phi equivalence classes
Added variable main::a#1 to zero page equivalence class [ main::a#1 ]
Complete equivalence classes
[ main::a#1 ]
Allocated zp ZP_BYTE:2 [ main::a#1 ]
INITIAL ASM
//SEG0 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
//SEG1 Global Constants & labels
//SEG2 @begin
bbegin:
//SEG3 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
jmp b1
//SEG4 @1
b1:
//SEG5 [2] call main param-assignment [ ] ( )
jsr main
//SEG6 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
jmp bend
//SEG7 @end
bend:
//SEG8 main
main: {
.label screen = $400
.label a = 2
//SEG9 [4] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) 'c' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'c'
sta screen+0
//SEG10 [5] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) 'c' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'c'
sta screen+$28
//SEG11 [6] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'m'
sta screen+1
//SEG12 [7] (byte) main::a#1 ← *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) [ main::a#1 ] ( main:2 [ main::a#1 ] ) -- vbuz1=_deref_pbuc1
lda screen+1
sta a
//SEG13 [8] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 41) ← (byte) main::a#1 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuz1
lda a
sta screen+$29
//SEG14 [9] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed byte/word/signed word/dword/signed dword) 1+(byte) 'l' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #1+'l'
sta screen+2
//SEG15 [10] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) 'l' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'l'
sta screen+$2a
jmp breturn
//SEG16 main::@return
breturn:
//SEG17 [11] return [ ] ( main:2 [ ] )
rts
}
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [4] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) 'c' [ ] ( main:2 [ ] ) always clobbers reg byte a
Statement [5] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) 'c' [ ] ( main:2 [ ] ) always clobbers reg byte a
Statement [6] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm' [ ] ( main:2 [ ] ) always clobbers reg byte a
Statement [9] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed byte/word/signed word/dword/signed dword) 1+(byte) 'l' [ ] ( main:2 [ ] ) always clobbers reg byte a
Statement [10] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) 'l' [ ] ( main:2 [ ] ) always clobbers reg byte a
Potential registers zp ZP_BYTE:2 [ main::a#1 ] : zp ZP_BYTE:2 , reg byte a , reg byte x , reg byte y ,
REGISTER UPLIFT SCOPES
Uplift Scope [main] 4: zp ZP_BYTE:2 [ main::a#1 ]
Uplift Scope []
Uplifting [main] best 59 combination reg byte a [ main::a#1 ]
Uplifting [] best 59 combination
ASSEMBLER BEFORE OPTIMIZATION
//SEG0 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
//SEG1 Global Constants & labels
//SEG2 @begin
bbegin:
//SEG3 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
jmp b1
//SEG4 @1
b1:
//SEG5 [2] call main param-assignment [ ] ( )
jsr main
//SEG6 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
jmp bend
//SEG7 @end
bend:
//SEG8 main
main: {
.label screen = $400
//SEG9 [4] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) 'c' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'c'
sta screen+0
//SEG10 [5] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) 'c' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'c'
sta screen+$28
//SEG11 [6] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'m'
sta screen+1
//SEG12 [7] (byte) main::a#1 ← *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) [ main::a#1 ] ( main:2 [ main::a#1 ] ) -- vbuaa=_deref_pbuc1
lda screen+1
//SEG13 [8] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 41) ← (byte) main::a#1 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuaa
sta screen+$29
//SEG14 [9] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed byte/word/signed word/dword/signed dword) 1+(byte) 'l' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #1+'l'
sta screen+2
//SEG15 [10] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) 'l' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'l'
sta screen+$2a
jmp breturn
//SEG16 main::@return
breturn:
//SEG17 [11] return [ ] ( main:2 [ ] )
rts
}
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp b1
Removing instruction jmp bend
Removing instruction jmp breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction lda #'c'
Removing instruction lda screen+1
Succesful ASM optimization Pass5UnnecesaryLoadElimination
Removing instruction bbegin:
Removing instruction b1_from_bbegin:
Removing instruction bend_from_b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction b1:
Removing instruction bend:
Removing instruction breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(void()) main()
(label) main::@return
(byte) main::a
(byte) main::a#1 reg byte a 4.0
(byte*) main::screen
(const byte*) main::screen#0 screen = ((byte*))(word/signed word/dword/signed dword) 1024
reg byte a [ main::a#1 ]
FINAL ASSEMBLER
Score: 44
//SEG0 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
//SEG1 Global Constants & labels
//SEG2 @begin
//SEG3 [1] phi from @begin to @1 [phi:@begin->@1]
//SEG4 @1
//SEG5 [2] call main param-assignment [ ] ( )
jsr main
//SEG6 [3] phi from @1 to @end [phi:@1->@end]
//SEG7 @end
//SEG8 main
main: {
.label screen = $400
//SEG9 [4] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 0) ← (byte) 'c' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'c'
sta screen+0
//SEG10 [5] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 40) ← (byte) 'c' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
sta screen+$28
//SEG11 [6] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte) 'm' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'m'
sta screen+1
//SEG12 [7] (byte) main::a#1 ← *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 1) [ main::a#1 ] ( main:2 [ main::a#1 ] ) -- vbuaa=_deref_pbuc1
//SEG13 [8] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 41) ← (byte) main::a#1 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuaa
sta screen+$29
//SEG14 [9] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 2) ← (byte/signed byte/word/signed word/dword/signed dword) 1+(byte) 'l' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #1+'l'
sta screen+2
//SEG15 [10] *((const byte*) main::screen#0+(byte/signed byte/word/signed word/dword/signed dword) 42) ← (byte) 'l' [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
lda #'l'
sta screen+$2a
//SEG16 main::@return
//SEG17 [11] return [ ] ( main:2 [ ] )
rts
}

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@ -0,0 +1,11 @@
(label) @1
(label) @begin
(label) @end
(void()) main()
(label) main::@return
(byte) main::a
(byte) main::a#1 reg byte a 4.0
(byte*) main::screen
(const byte*) main::screen#0 screen = ((byte*))(word/signed word/dword/signed dword) 1024
reg byte a [ main::a#1 ]