mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-23 23:32:55 +00:00
Added all functions that become pointers as separate thread heads.
This commit is contained in:
parent
10dd5e4c7b
commit
64b3a07ee6
@ -26,7 +26,7 @@ public class Pass4ZeroPageCoalesce extends Pass2Base {
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public void coalesce() {
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LinkedHashSet<String> unknownFragments = new LinkedHashSet<>();
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LiveRangeEquivalenceClassSet liveRangeEquivalenceClassSet = getProgram().getLiveRangeEquivalenceClassSet();
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Collection<ScopeRef> threads = getThreadHeads(getSymbols());
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Collection<ScopeRef> threads = getThreadHeads(getProgram());
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boolean change;
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do {
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change = coalesce(liveRangeEquivalenceClassSet, threads, unknownFragments);
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@ -47,15 +47,16 @@ public class Pass4ZeroPageCoalesce extends Pass2Base {
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*
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* @return The threads.
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*/
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public static Collection<ScopeRef> getThreadHeads(ProgramScope programScope) {
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public static Collection<ScopeRef> getThreadHeads(Program program) {
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ArrayList<ScopeRef> threadHeads = new ArrayList<>();
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Collection<Procedure> procedures = programScope.getAllProcedures(true);
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Collection<Procedure> procedures = program.getScope().getAllProcedures(true);
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for(Procedure procedure : procedures) {
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if(procedure.getInterruptType() != null) {
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threadHeads.add(procedure.getRef());
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}
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if(procedure.getFullName().equals(SymbolRef.MAIN_PROC_NAME)) {
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threadHeads.add(procedure.getRef());
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continue;
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}
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if(Pass2ConstantIdentification.isAddressOfUsed(procedure.getRef(), program)) {
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threadHeads.add(procedure.getRef());
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}
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}
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return threadHeads;
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@ -20,7 +20,7 @@ public class Pass4ZeroPageCoalesceAssignment extends Pass2Base {
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public void coalesce() {
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CoalesceVarScores coalesceVarScores = new CoalesceVarScores(getProgram());
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LinkedHashSet<String> unknownFragments = new LinkedHashSet<>();
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Collection<ScopeRef> threadHeads = Pass4ZeroPageCoalesce.getThreadHeads(getSymbols());
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Collection<ScopeRef> threadHeads = Pass4ZeroPageCoalesce.getThreadHeads(getProgram());
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boolean change;
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do {
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@ -32,6 +32,11 @@ public class TestPrograms {
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public TestPrograms() {
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}
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@Test
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public void testFunctionPointerNoargCall6() throws IOException, URISyntaxException {
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compileAndCompare("function-pointer-noarg-call-6");
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}
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@Test
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public void testFunctionPointerNoargCall5() throws IOException, URISyntaxException {
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compileAndCompare("function-pointer-noarg-call-5");
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16
src/test/kc/function-pointer-noarg-call-6.kc
Normal file
16
src/test/kc/function-pointer-noarg-call-6.kc
Normal file
@ -0,0 +1,16 @@
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// Tests calling into a function pointer with local variables
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void main() {
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void()* cls = &fn1;
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for(byte* cols = $d800; cols<$d800+1000;cols++) {
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(*cls)();
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cols++;
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}
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}
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void fn1() {
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for(byte* screen=$400;screen<$400+1000;screen++)
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(*screen)++;
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}
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57
src/test/ref/function-pointer-noarg-call-6.asm
Normal file
57
src/test/ref/function-pointer-noarg-call-6.asm
Normal file
@ -0,0 +1,57 @@
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// Tests calling into a function pointer with local variables
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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main: {
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.label cls = fn1
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.label cols = 2
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lda #<$d800
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sta cols
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lda #>$d800
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sta cols+1
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b1:
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jsr cls
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inc cols
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bne !+
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inc cols+1
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!:
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inc cols
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bne !+
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inc cols+1
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!:
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lda cols+1
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cmp #>$d800+$3e8
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bcc b1
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bne !+
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lda cols
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cmp #<$d800+$3e8
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bcc b1
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!:
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rts
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}
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fn1: {
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.label screen = 4
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lda #<$400
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sta screen
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lda #>$400
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sta screen+1
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b1:
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ldy #0
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lda (screen),y
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clc
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adc #1
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sta (screen),y
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inc screen
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bne !+
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inc screen+1
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!:
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lda screen+1
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cmp #>$400+$3e8
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bcc b1
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bne !+
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lda screen
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cmp #<$400+$3e8
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bcc b1
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!:
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rts
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}
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34
src/test/ref/function-pointer-noarg-call-6.cfg
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34
src/test/ref/function-pointer-noarg-call-6.cfg
Normal file
@ -0,0 +1,34 @@
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[5] (byte*) main::cols#3 ← phi( main/((byte*))(word/dword/signed dword) $d800 main::@1/(byte*) main::cols#2 )
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[6] call *((const void()*) main::cls#0)
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[7] (byte*) main::cols#1 ← ++ (byte*) main::cols#3
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[8] (byte*) main::cols#2 ← ++ (byte*) main::cols#1
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[9] if((byte*) main::cols#2<(word/dword/signed dword) $d800+(word/signed word/dword/signed dword) $3e8) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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[10] return
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to:@return
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fn1: scope:[fn1] from
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[11] phi()
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to:fn1::@1
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fn1::@1: scope:[fn1] from fn1 fn1::@1
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[12] (byte*) fn1::screen#2 ← phi( fn1/((byte*))(word/signed word/dword/signed dword) $400 fn1::@1/(byte*) fn1::screen#1 )
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[13] *((byte*) fn1::screen#2) ← ++ *((byte*) fn1::screen#2)
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[14] (byte*) fn1::screen#1 ← ++ (byte*) fn1::screen#2
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[15] if((byte*) fn1::screen#1<(word/signed word/dword/signed dword) $400+(word/signed word/dword/signed dword) $3e8) goto fn1::@1
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to:fn1::@return
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fn1::@return: scope:[fn1] from fn1::@1
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[16] return
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to:@return
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591
src/test/ref/function-pointer-noarg-call-6.log
Normal file
591
src/test/ref/function-pointer-noarg-call-6.log
Normal file
@ -0,0 +1,591 @@
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Resolved forward reference fn1 to (void()) fn1()
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@2
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main: scope:[main] from @2
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(void()*~) main::$0 ← & (void()) fn1()
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(void()*) main::cls#0 ← (void()*~) main::$0
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(byte*) main::cols#0 ← ((byte*)) (word/dword/signed dword) $d800
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to:main::@1
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main::@1: scope:[main] from main main::@1
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(byte*) main::cols#3 ← phi( main/(byte*) main::cols#0 main::@1/(byte*) main::cols#2 )
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(void()*) main::cls#1 ← phi( main/(void()*) main::cls#0 main::@1/(void()*) main::cls#1 )
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call *((void()*) main::cls#1)
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(byte*) main::cols#1 ← ++ (byte*) main::cols#3
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(byte*) main::cols#2 ← ++ (byte*) main::cols#1
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(word/dword/signed dword~) main::$2 ← (word/dword/signed dword) $d800 + (word/signed word/dword/signed dword) $3e8
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(bool~) main::$3 ← (byte*) main::cols#2 < (word/dword/signed dword~) main::$2
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if((bool~) main::$3) goto main::@1
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to:main::@return
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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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fn1: scope:[fn1] from
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(byte*) fn1::screen#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
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to:fn1::@1
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fn1::@1: scope:[fn1] from fn1 fn1::@1
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(byte*) fn1::screen#2 ← phi( fn1/(byte*) fn1::screen#0 fn1::@1/(byte*) fn1::screen#1 )
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*((byte*) fn1::screen#2) ← ++ *((byte*) fn1::screen#2)
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(byte*) fn1::screen#1 ← ++ (byte*) fn1::screen#2
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(word/signed word/dword/signed dword~) fn1::$0 ← (word/signed word/dword/signed dword) $400 + (word/signed word/dword/signed dword) $3e8
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(bool~) fn1::$1 ← (byte*) fn1::screen#1 < (word/signed word/dword/signed dword~) fn1::$0
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if((bool~) fn1::$1) goto fn1::@1
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to:fn1::@return
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fn1::@return: scope:[fn1] from fn1::@1
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return
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to:@return
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@2: scope:[] from @begin
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call main
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to:@3
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@3: scope:[] from @2
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to:@end
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@end: scope:[] from @3
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SYMBOL TABLE SSA
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(label) @2
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(label) @3
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(label) @begin
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(label) @end
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(void()) fn1()
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(word/signed word/dword/signed dword~) fn1::$0
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(bool~) fn1::$1
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(label) fn1::@1
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(label) fn1::@return
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(byte*) fn1::screen
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(byte*) fn1::screen#0
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(byte*) fn1::screen#1
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(byte*) fn1::screen#2
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(void()) main()
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(void()*~) main::$0
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(word/dword/signed dword~) main::$2
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(bool~) main::$3
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(label) main::@1
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(label) main::@return
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(void()*) main::cls
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(void()*) main::cls#0
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(void()*) main::cls#1
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(byte*) main::cols
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(byte*) main::cols#0
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(byte*) main::cols#1
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(byte*) main::cols#2
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(byte*) main::cols#3
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Culled Empty Block (label) @3
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Successful SSA optimization Pass2CullEmptyBlocks
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Alias (void()*) main::cls#0 = (void()*~) main::$0
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Successful SSA optimization Pass2AliasElimination
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Self Phi Eliminated (void()*) main::cls#1
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Successful SSA optimization Pass2SelfPhiElimination
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Redundant Phi (void()*) main::cls#1 (void()*) main::cls#0
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Successful SSA optimization Pass2RedundantPhiElimination
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Simple Condition (bool~) main::$3 [9] if((byte*) main::cols#2<(word/dword/signed dword~) main::$2) goto main::@1
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Simple Condition (bool~) fn1::$1 [17] if((byte*) fn1::screen#1<(word/signed word/dword/signed dword~) fn1::$0) goto fn1::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const void()*) main::cls#0 = &fn1
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Constant (const byte*) main::cols#0 = ((byte*))$d800
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Constant (const word/dword/signed dword) main::$2 = $d800+$3e8
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Constant (const byte*) fn1::screen#0 = ((byte*))$400
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Constant (const word/signed word/dword/signed dword) fn1::$0 = $400+$3e8
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Successful SSA optimization Pass2ConstantIdentification
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Inlining constant with var siblings (const byte*) main::cols#0
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Inlining constant with var siblings (const byte*) fn1::screen#0
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Constant inlined fn1::screen#0 = ((byte*))(word/signed word/dword/signed dword) $400
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Constant inlined fn1::$0 = (word/signed word/dword/signed dword) $400+(word/signed word/dword/signed dword) $3e8
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Constant inlined main::$2 = (word/dword/signed dword) $d800+(word/signed word/dword/signed dword) $3e8
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Constant inlined main::cols#0 = ((byte*))(word/dword/signed dword) $d800
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@3(between main::@1 and main::@1)
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Added new block during phi lifting fn1::@3(between fn1::@1 and fn1::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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Adding NOP phi() at start of fn1
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CALL GRAPH
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Calls in [] to main:2
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Created 2 initial phi equivalence classes
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Coalesced [11] main::cols#4 ← main::cols#2
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Coalesced [18] fn1::screen#3 ← fn1::screen#1
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block (label) main::@3
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Culled Empty Block (label) fn1::@3
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Renumbering block @2 to @1
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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Adding NOP phi() at start of fn1
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[5] (byte*) main::cols#3 ← phi( main/((byte*))(word/dword/signed dword) $d800 main::@1/(byte*) main::cols#2 )
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[6] call *((const void()*) main::cls#0)
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[7] (byte*) main::cols#1 ← ++ (byte*) main::cols#3
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[8] (byte*) main::cols#2 ← ++ (byte*) main::cols#1
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[9] if((byte*) main::cols#2<(word/dword/signed dword) $d800+(word/signed word/dword/signed dword) $3e8) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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[10] return
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to:@return
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fn1: scope:[fn1] from
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[11] phi()
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to:fn1::@1
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fn1::@1: scope:[fn1] from fn1 fn1::@1
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[12] (byte*) fn1::screen#2 ← phi( fn1/((byte*))(word/signed word/dword/signed dword) $400 fn1::@1/(byte*) fn1::screen#1 )
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[13] *((byte*) fn1::screen#2) ← ++ *((byte*) fn1::screen#2)
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[14] (byte*) fn1::screen#1 ← ++ (byte*) fn1::screen#2
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[15] if((byte*) fn1::screen#1<(word/signed word/dword/signed dword) $400+(word/signed word/dword/signed dword) $3e8) goto fn1::@1
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to:fn1::@return
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fn1::@return: scope:[fn1] from fn1::@1
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[16] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) fn1()
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(byte*) fn1::screen
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(byte*) fn1::screen#1 16.5
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(byte*) fn1::screen#2 22.0
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(void()) main()
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(void()*) main::cls
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(byte*) main::cols
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(byte*) main::cols#1 22.0
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(byte*) main::cols#2 16.5
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(byte*) main::cols#3 11.0
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Initial phi equivalence classes
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[ main::cols#3 main::cols#2 ]
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[ fn1::screen#2 fn1::screen#1 ]
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Added variable main::cols#1 to zero page equivalence class [ main::cols#1 ]
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Complete equivalence classes
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[ main::cols#3 main::cols#2 ]
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[ fn1::screen#2 fn1::screen#1 ]
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[ main::cols#1 ]
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Allocated zp ZP_WORD:2 [ main::cols#3 main::cols#2 ]
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Allocated zp ZP_WORD:4 [ fn1::screen#2 fn1::screen#1 ]
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Allocated zp ZP_WORD:6 [ main::cols#1 ]
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INITIAL ASM
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//SEG0 File Comments
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// Tests calling into a function pointer with local variables
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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.pc = $80d "Program"
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//SEG2 Global Constants & labels
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//SEG3 @begin
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bbegin:
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//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
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b1_from_bbegin:
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jmp b1
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//SEG5 @1
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b1:
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//SEG6 [2] call main
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//SEG7 [4] phi from @1 to main [phi:@1->main]
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main_from_b1:
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jsr main
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//SEG8 [3] phi from @1 to @end [phi:@1->@end]
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bend_from_b1:
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jmp bend
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//SEG9 @end
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bend:
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//SEG10 main
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main: {
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.label cls = fn1
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.label cols = 6
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.label cols_2 = 2
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.label cols_3 = 2
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//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
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b1_from_main:
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//SEG12 [5] phi (byte*) main::cols#3 = ((byte*))(word/dword/signed dword) $d800 [phi:main->main::@1#0] -- pbuz1=pbuc1
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lda #<$d800
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sta cols_3
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lda #>$d800
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sta cols_3+1
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jmp b1
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//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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b1_from_b1:
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//SEG14 [5] phi (byte*) main::cols#3 = (byte*) main::cols#2 [phi:main::@1->main::@1#0] -- register_copy
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jmp b1
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//SEG15 main::@1
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b1:
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//SEG16 [6] call *((const void()*) main::cls#0)
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jsr cls
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//SEG17 [7] (byte*) main::cols#1 ← ++ (byte*) main::cols#3 -- pbuz1=_inc_pbuz2
|
||||
lda cols_3
|
||||
clc
|
||||
adc #1
|
||||
sta cols
|
||||
lda cols_3+1
|
||||
adc #0
|
||||
sta cols+1
|
||||
//SEG18 [8] (byte*) main::cols#2 ← ++ (byte*) main::cols#1 -- pbuz1=_inc_pbuz2
|
||||
lda cols
|
||||
clc
|
||||
adc #1
|
||||
sta cols_2
|
||||
lda cols+1
|
||||
adc #0
|
||||
sta cols_2+1
|
||||
//SEG19 [9] if((byte*) main::cols#2<(word/dword/signed dword) $d800+(word/signed word/dword/signed dword) $3e8) goto main::@1 -- pbuz1_lt_vwuc1_then_la1
|
||||
lda cols_2+1
|
||||
cmp #>$d800+$3e8
|
||||
bcc b1_from_b1
|
||||
bne !+
|
||||
lda cols_2
|
||||
cmp #<$d800+$3e8
|
||||
bcc b1_from_b1
|
||||
!:
|
||||
jmp breturn
|
||||
//SEG20 main::@return
|
||||
breturn:
|
||||
//SEG21 [10] return
|
||||
rts
|
||||
}
|
||||
//SEG22 fn1
|
||||
fn1: {
|
||||
.label screen = 4
|
||||
//SEG23 [12] phi from fn1 to fn1::@1 [phi:fn1->fn1::@1]
|
||||
b1_from_fn1:
|
||||
//SEG24 [12] phi (byte*) fn1::screen#2 = ((byte*))(word/signed word/dword/signed dword) $400 [phi:fn1->fn1::@1#0] -- pbuz1=pbuc1
|
||||
lda #<$400
|
||||
sta screen
|
||||
lda #>$400
|
||||
sta screen+1
|
||||
jmp b1
|
||||
//SEG25 [12] phi from fn1::@1 to fn1::@1 [phi:fn1::@1->fn1::@1]
|
||||
b1_from_b1:
|
||||
//SEG26 [12] phi (byte*) fn1::screen#2 = (byte*) fn1::screen#1 [phi:fn1::@1->fn1::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG27 fn1::@1
|
||||
b1:
|
||||
//SEG28 [13] *((byte*) fn1::screen#2) ← ++ *((byte*) fn1::screen#2) -- _deref_pbuz1=_inc__deref_pbuz1
|
||||
ldy #0
|
||||
lda (screen),y
|
||||
clc
|
||||
adc #1
|
||||
ldy #0
|
||||
sta (screen),y
|
||||
//SEG29 [14] (byte*) fn1::screen#1 ← ++ (byte*) fn1::screen#2 -- pbuz1=_inc_pbuz1
|
||||
inc screen
|
||||
bne !+
|
||||
inc screen+1
|
||||
!:
|
||||
//SEG30 [15] if((byte*) fn1::screen#1<(word/signed word/dword/signed dword) $400+(word/signed word/dword/signed dword) $3e8) goto fn1::@1 -- pbuz1_lt_vwuc1_then_la1
|
||||
lda screen+1
|
||||
cmp #>$400+$3e8
|
||||
bcc b1_from_b1
|
||||
bne !+
|
||||
lda screen
|
||||
cmp #<$400+$3e8
|
||||
bcc b1_from_b1
|
||||
!:
|
||||
jmp breturn
|
||||
//SEG31 fn1::@return
|
||||
breturn:
|
||||
//SEG32 [16] return
|
||||
rts
|
||||
}
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [7] (byte*) main::cols#1 ← ++ (byte*) main::cols#3 [ main::cols#1 ] ( main:2 [ main::cols#1 ] ) always clobbers reg byte a
|
||||
Statement [8] (byte*) main::cols#2 ← ++ (byte*) main::cols#1 [ main::cols#2 ] ( main:2 [ main::cols#2 ] ) always clobbers reg byte a
|
||||
Statement [9] if((byte*) main::cols#2<(word/dword/signed dword) $d800+(word/signed word/dword/signed dword) $3e8) goto main::@1 [ main::cols#2 ] ( main:2 [ main::cols#2 ] ) always clobbers reg byte a
|
||||
Statement [13] *((byte*) fn1::screen#2) ← ++ *((byte*) fn1::screen#2) [ fn1::screen#2 ] ( ) always clobbers reg byte a reg byte y
|
||||
Statement [15] if((byte*) fn1::screen#1<(word/signed word/dword/signed dword) $400+(word/signed word/dword/signed dword) $3e8) goto fn1::@1 [ fn1::screen#1 ] ( ) always clobbers reg byte a
|
||||
Potential registers zp ZP_WORD:2 [ main::cols#3 main::cols#2 ] : zp ZP_WORD:2 ,
|
||||
Potential registers zp ZP_WORD:4 [ fn1::screen#2 fn1::screen#1 ] : zp ZP_WORD:4 ,
|
||||
Potential registers zp ZP_WORD:6 [ main::cols#1 ] : zp ZP_WORD:6 ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main] 27.5: zp ZP_WORD:2 [ main::cols#3 main::cols#2 ] 22: zp ZP_WORD:6 [ main::cols#1 ]
|
||||
Uplift Scope [fn1] 38.5: zp ZP_WORD:4 [ fn1::screen#2 fn1::screen#1 ]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 1494 combination zp ZP_WORD:2 [ main::cols#3 main::cols#2 ] zp ZP_WORD:6 [ main::cols#1 ]
|
||||
Uplifting [fn1] best 1494 combination zp ZP_WORD:4 [ fn1::screen#2 fn1::screen#1 ]
|
||||
Uplifting [] best 1494 combination
|
||||
Coalescing zero page register with common assignment [ zp ZP_WORD:2 [ main::cols#3 main::cols#2 ] ] with [ zp ZP_WORD:6 [ main::cols#1 ] ] - score: 2
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 File Comments
|
||||
// Tests calling into a function pointer with local variables
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
//SEG3 @begin
|
||||
bbegin:
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
b1_from_bbegin:
|
||||
jmp b1
|
||||
//SEG5 @1
|
||||
b1:
|
||||
//SEG6 [2] call main
|
||||
//SEG7 [4] phi from @1 to main [phi:@1->main]
|
||||
main_from_b1:
|
||||
jsr main
|
||||
//SEG8 [3] phi from @1 to @end [phi:@1->@end]
|
||||
bend_from_b1:
|
||||
jmp bend
|
||||
//SEG9 @end
|
||||
bend:
|
||||
//SEG10 main
|
||||
main: {
|
||||
.label cls = fn1
|
||||
.label cols = 2
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
//SEG12 [5] phi (byte*) main::cols#3 = ((byte*))(word/dword/signed dword) $d800 [phi:main->main::@1#0] -- pbuz1=pbuc1
|
||||
lda #<$d800
|
||||
sta cols
|
||||
lda #>$d800
|
||||
sta cols+1
|
||||
jmp b1
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
b1_from_b1:
|
||||
//SEG14 [5] phi (byte*) main::cols#3 = (byte*) main::cols#2 [phi:main::@1->main::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] call *((const void()*) main::cls#0)
|
||||
jsr cls
|
||||
//SEG17 [7] (byte*) main::cols#1 ← ++ (byte*) main::cols#3 -- pbuz1=_inc_pbuz1
|
||||
inc cols
|
||||
bne !+
|
||||
inc cols+1
|
||||
!:
|
||||
//SEG18 [8] (byte*) main::cols#2 ← ++ (byte*) main::cols#1 -- pbuz1=_inc_pbuz1
|
||||
inc cols
|
||||
bne !+
|
||||
inc cols+1
|
||||
!:
|
||||
//SEG19 [9] if((byte*) main::cols#2<(word/dword/signed dword) $d800+(word/signed word/dword/signed dword) $3e8) goto main::@1 -- pbuz1_lt_vwuc1_then_la1
|
||||
lda cols+1
|
||||
cmp #>$d800+$3e8
|
||||
bcc b1_from_b1
|
||||
bne !+
|
||||
lda cols
|
||||
cmp #<$d800+$3e8
|
||||
bcc b1_from_b1
|
||||
!:
|
||||
jmp breturn
|
||||
//SEG20 main::@return
|
||||
breturn:
|
||||
//SEG21 [10] return
|
||||
rts
|
||||
}
|
||||
//SEG22 fn1
|
||||
fn1: {
|
||||
.label screen = 4
|
||||
//SEG23 [12] phi from fn1 to fn1::@1 [phi:fn1->fn1::@1]
|
||||
b1_from_fn1:
|
||||
//SEG24 [12] phi (byte*) fn1::screen#2 = ((byte*))(word/signed word/dword/signed dword) $400 [phi:fn1->fn1::@1#0] -- pbuz1=pbuc1
|
||||
lda #<$400
|
||||
sta screen
|
||||
lda #>$400
|
||||
sta screen+1
|
||||
jmp b1
|
||||
//SEG25 [12] phi from fn1::@1 to fn1::@1 [phi:fn1::@1->fn1::@1]
|
||||
b1_from_b1:
|
||||
//SEG26 [12] phi (byte*) fn1::screen#2 = (byte*) fn1::screen#1 [phi:fn1::@1->fn1::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG27 fn1::@1
|
||||
b1:
|
||||
//SEG28 [13] *((byte*) fn1::screen#2) ← ++ *((byte*) fn1::screen#2) -- _deref_pbuz1=_inc__deref_pbuz1
|
||||
ldy #0
|
||||
lda (screen),y
|
||||
clc
|
||||
adc #1
|
||||
ldy #0
|
||||
sta (screen),y
|
||||
//SEG29 [14] (byte*) fn1::screen#1 ← ++ (byte*) fn1::screen#2 -- pbuz1=_inc_pbuz1
|
||||
inc screen
|
||||
bne !+
|
||||
inc screen+1
|
||||
!:
|
||||
//SEG30 [15] if((byte*) fn1::screen#1<(word/signed word/dword/signed dword) $400+(word/signed word/dword/signed dword) $3e8) goto fn1::@1 -- pbuz1_lt_vwuc1_then_la1
|
||||
lda screen+1
|
||||
cmp #>$400+$3e8
|
||||
bcc b1_from_b1
|
||||
bne !+
|
||||
lda screen
|
||||
cmp #<$400+$3e8
|
||||
bcc b1_from_b1
|
||||
!:
|
||||
jmp breturn
|
||||
//SEG31 fn1::@return
|
||||
breturn:
|
||||
//SEG32 [16] return
|
||||
rts
|
||||
}
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp bend
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp breturn
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction ldy #0
|
||||
Succesful ASM optimization Pass5UnnecesaryLoadElimination
|
||||
Replacing label b1_from_b1 with b1
|
||||
Replacing label b1_from_b1 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_b1:
|
||||
Removing instruction b1_from_b1:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction bend:
|
||||
Removing instruction b1_from_main:
|
||||
Removing instruction breturn:
|
||||
Removing instruction b1_from_fn1:
|
||||
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
|
||||
Removing instruction jmp b1
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction bbegin:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) fn1()
|
||||
(label) fn1::@1
|
||||
(label) fn1::@return
|
||||
(byte*) fn1::screen
|
||||
(byte*) fn1::screen#1 screen zp ZP_WORD:4 16.5
|
||||
(byte*) fn1::screen#2 screen zp ZP_WORD:4 22.0
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(void()*) main::cls
|
||||
(const void()*) main::cls#0 cls = &(void()) fn1()
|
||||
(byte*) main::cols
|
||||
(byte*) main::cols#1 cols zp ZP_WORD:2 22.0
|
||||
(byte*) main::cols#2 cols zp ZP_WORD:2 16.5
|
||||
(byte*) main::cols#3 cols zp ZP_WORD:2 11.0
|
||||
|
||||
zp ZP_WORD:2 [ main::cols#3 main::cols#2 main::cols#1 ]
|
||||
zp ZP_WORD:4 [ fn1::screen#2 fn1::screen#1 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 1172
|
||||
|
||||
//SEG0 File Comments
|
||||
// Tests calling into a function pointer with local variables
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
//SEG3 @begin
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
//SEG5 @1
|
||||
//SEG6 [2] call main
|
||||
//SEG7 [4] phi from @1 to main [phi:@1->main]
|
||||
//SEG8 [3] phi from @1 to @end [phi:@1->@end]
|
||||
//SEG9 @end
|
||||
//SEG10 main
|
||||
main: {
|
||||
.label cls = fn1
|
||||
.label cols = 2
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
//SEG12 [5] phi (byte*) main::cols#3 = ((byte*))(word/dword/signed dword) $d800 [phi:main->main::@1#0] -- pbuz1=pbuc1
|
||||
lda #<$d800
|
||||
sta cols
|
||||
lda #>$d800
|
||||
sta cols+1
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
//SEG14 [5] phi (byte*) main::cols#3 = (byte*) main::cols#2 [phi:main::@1->main::@1#0] -- register_copy
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] call *((const void()*) main::cls#0)
|
||||
jsr cls
|
||||
//SEG17 [7] (byte*) main::cols#1 ← ++ (byte*) main::cols#3 -- pbuz1=_inc_pbuz1
|
||||
inc cols
|
||||
bne !+
|
||||
inc cols+1
|
||||
!:
|
||||
//SEG18 [8] (byte*) main::cols#2 ← ++ (byte*) main::cols#1 -- pbuz1=_inc_pbuz1
|
||||
inc cols
|
||||
bne !+
|
||||
inc cols+1
|
||||
!:
|
||||
//SEG19 [9] if((byte*) main::cols#2<(word/dword/signed dword) $d800+(word/signed word/dword/signed dword) $3e8) goto main::@1 -- pbuz1_lt_vwuc1_then_la1
|
||||
lda cols+1
|
||||
cmp #>$d800+$3e8
|
||||
bcc b1
|
||||
bne !+
|
||||
lda cols
|
||||
cmp #<$d800+$3e8
|
||||
bcc b1
|
||||
!:
|
||||
//SEG20 main::@return
|
||||
//SEG21 [10] return
|
||||
rts
|
||||
}
|
||||
//SEG22 fn1
|
||||
fn1: {
|
||||
.label screen = 4
|
||||
//SEG23 [12] phi from fn1 to fn1::@1 [phi:fn1->fn1::@1]
|
||||
//SEG24 [12] phi (byte*) fn1::screen#2 = ((byte*))(word/signed word/dword/signed dword) $400 [phi:fn1->fn1::@1#0] -- pbuz1=pbuc1
|
||||
lda #<$400
|
||||
sta screen
|
||||
lda #>$400
|
||||
sta screen+1
|
||||
//SEG25 [12] phi from fn1::@1 to fn1::@1 [phi:fn1::@1->fn1::@1]
|
||||
//SEG26 [12] phi (byte*) fn1::screen#2 = (byte*) fn1::screen#1 [phi:fn1::@1->fn1::@1#0] -- register_copy
|
||||
//SEG27 fn1::@1
|
||||
b1:
|
||||
//SEG28 [13] *((byte*) fn1::screen#2) ← ++ *((byte*) fn1::screen#2) -- _deref_pbuz1=_inc__deref_pbuz1
|
||||
ldy #0
|
||||
lda (screen),y
|
||||
clc
|
||||
adc #1
|
||||
sta (screen),y
|
||||
//SEG29 [14] (byte*) fn1::screen#1 ← ++ (byte*) fn1::screen#2 -- pbuz1=_inc_pbuz1
|
||||
inc screen
|
||||
bne !+
|
||||
inc screen+1
|
||||
!:
|
||||
//SEG30 [15] if((byte*) fn1::screen#1<(word/signed word/dword/signed dword) $400+(word/signed word/dword/signed dword) $3e8) goto fn1::@1 -- pbuz1_lt_vwuc1_then_la1
|
||||
lda screen+1
|
||||
cmp #>$400+$3e8
|
||||
bcc b1
|
||||
bne !+
|
||||
lda screen
|
||||
cmp #<$400+$3e8
|
||||
bcc b1
|
||||
!:
|
||||
//SEG31 fn1::@return
|
||||
//SEG32 [16] return
|
||||
rts
|
||||
}
|
||||
|
21
src/test/ref/function-pointer-noarg-call-6.sym
Normal file
21
src/test/ref/function-pointer-noarg-call-6.sym
Normal file
@ -0,0 +1,21 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) fn1()
|
||||
(label) fn1::@1
|
||||
(label) fn1::@return
|
||||
(byte*) fn1::screen
|
||||
(byte*) fn1::screen#1 screen zp ZP_WORD:4 16.5
|
||||
(byte*) fn1::screen#2 screen zp ZP_WORD:4 22.0
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(void()*) main::cls
|
||||
(const void()*) main::cls#0 cls = &(void()) fn1()
|
||||
(byte*) main::cols
|
||||
(byte*) main::cols#1 cols zp ZP_WORD:2 22.0
|
||||
(byte*) main::cols#2 cols zp ZP_WORD:2 16.5
|
||||
(byte*) main::cols#3 cols zp ZP_WORD:2 11.0
|
||||
|
||||
zp ZP_WORD:2 [ main::cols#3 main::cols#2 main::cols#1 ]
|
||||
zp ZP_WORD:4 [ fn1::screen#2 fn1::screen#1 ]
|
Loading…
Reference in New Issue
Block a user