mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-27 04:49:27 +00:00
Fixed char - number. Closes #184.
Also fixed problem with nested ternary. Closes #185.
This commit is contained in:
Jesper Gravgaard
parent
58502ecf79
commit
c64713c913
@ -222,6 +222,7 @@ public class Compiler {
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assertions.add(new Pass2AssertNoLabels(program));
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assertions.add(new Pass2AssertSingleAssignment(program));
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assertions.add(new Pass2AssertRValues(program));
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//assertions.add(new Pass2AssertPhiPredecessors(program));
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for(Pass2SsaAssertion assertion : assertions) {
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assertion.check();
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}
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@ -4,6 +4,7 @@ import dk.camelot64.kickc.model.statements.Statement;
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import dk.camelot64.kickc.model.statements.StatementLabel;
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import dk.camelot64.kickc.model.statements.StatementProcedureBegin;
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import dk.camelot64.kickc.model.statements.StatementProcedureEnd;
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import dk.camelot64.kickc.model.values.LabelRef;
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import java.util.ArrayList;
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import java.util.List;
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@ -11,7 +12,7 @@ import java.util.List;
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/** A sequence of Statements */
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public class StatementSequence {
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private List<Statement> statements;
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private ArrayList<Statement> statements;
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public StatementSequence() {
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this.statements = new ArrayList<>();
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@ -43,4 +44,17 @@ public class StatementSequence {
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return out.toString();
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}
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/**
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* Look backwar from the end of the sequence and find the last label
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* @return The label of the block, currently being build
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*/
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public LabelRef getCurrentBlockLabel() {
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for(int i = statements.size()-1; i >= 0; i--) {
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Statement statement = statements.get(i);
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if(statement instanceof StatementLabel) {
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return ((StatementLabel) statement).getLabel();
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}
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}
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return null;
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}
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}
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@ -1371,18 +1371,20 @@ public class Pass0GenerateStatementSequence extends KickCBaseVisitor<Object> {
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RValue falseValue = (RValue) this.visit(ctx.expr(2));
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VariableRef falseVar = getCurrentScope().addVariableIntermediate().getRef();
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sequence.addStatement(new StatementAssignment(falseVar, null, null, falseValue, new StatementSource(ctx), Comment.NO_COMMENTS));
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LabelRef falseExitLabel = sequence.getCurrentBlockLabel();
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sequence.addStatement(new StatementJump(endJumpLabel.getRef(), new StatementSource(ctx), Comment.NO_COMMENTS));
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sequence.addStatement(new StatementLabel(trueLabel.getRef(), new StatementSource(ctx), Comment.NO_COMMENTS));
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RValue trueValue = (RValue) this.visit(ctx.expr(1));
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VariableRef trueVar = getCurrentScope().addVariableIntermediate().getRef();
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sequence.addStatement(new StatementAssignment(trueVar, null, null, trueValue, new StatementSource(ctx), Comment.NO_COMMENTS));
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LabelRef trueExitLabel = sequence.getCurrentBlockLabel();
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sequence.addStatement(new StatementLabel(endJumpLabel.getRef(), new StatementSource(ctx), Comment.NO_COMMENTS));
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StatementPhiBlock phiBlock = new StatementPhiBlock(Comment.NO_COMMENTS);
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phiBlock.setSource(new StatementSource(ctx));
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VariableRef finalVar = getCurrentScope().addVariableIntermediate().getRef();
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StatementPhiBlock.PhiVariable phiVariable = phiBlock.addPhiVariable(finalVar);
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phiVariable.setrValue(trueLabel.getRef(), trueVar);
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phiVariable.setrValue(falseLabel.getRef(), falseVar);
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phiVariable.setrValue(trueExitLabel, trueVar);
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phiVariable.setrValue(falseExitLabel, falseVar);
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sequence.addStatement(phiBlock);
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return finalVar;
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}
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@ -0,0 +1,38 @@
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package dk.camelot64.kickc.passes;
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import dk.camelot64.kickc.model.CompileError;
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import dk.camelot64.kickc.model.ControlFlowBlock;
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import dk.camelot64.kickc.model.Program;
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import dk.camelot64.kickc.model.statements.StatementPhiBlock;
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import dk.camelot64.kickc.model.values.LabelRef;
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import java.util.List;
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import java.util.stream.Collectors;
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/** Asserts that the program does not contain any predecessors in Phi-blocks that are not true predecessors */
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public class Pass2AssertPhiPredecessors extends Pass2SsaAssertion {
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public Pass2AssertPhiPredecessors(Program program) {
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super(program);
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}
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@Override
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public void check() throws AssertionFailed {
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for(ControlFlowBlock block : getGraph().getAllBlocks()) {
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if(block.hasPhiBlock()) {
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StatementPhiBlock phiBlock = block.getPhiBlock();
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List<LabelRef> predecessors =
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getGraph().getPredecessors(block).stream().map(ControlFlowBlock::getLabel).collect(Collectors.toList());
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for(StatementPhiBlock.PhiVariable phiVariable : phiBlock.getPhiVariables()) {
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for(StatementPhiBlock.PhiRValue phiRValue : phiVariable.getValues()) {
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if(!predecessors.contains(phiRValue.getPredecessor())) {
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throw new CompileError("INTERNAL ERROR! Block "+block.getLabel()+" phi references non-predecessor block "+phiRValue.getPredecessor()+
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"\n "+phiBlock.toString(getProgram(), false));
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}
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}
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}
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}
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}
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}
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}
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@ -32,15 +32,20 @@ public class TestPrograms {
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public TestPrograms() {
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}
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@Test
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public void testSimpleLoop() throws IOException, URISyntaxException {
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compileAndCompare("simple-loop");
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}
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@Test
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public void testLiteralCharMinusNumber() throws IOException, URISyntaxException {
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compileAndCompare("literal-char-minus-number");
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}
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//@Test
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//public void testPaulNelsenSandboxTernaryError() throws IOException, URISyntaxException {
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// compileAndCompare("sandbox-ternary-error", log().verboseParse().verboseCreateSsa().setVerboseSSAOptimize().verboseStatementSequence());
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//}
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@Test
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public void testPaulNelsenSandboxTernaryError() throws IOException, URISyntaxException {
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compileAndCompare("sandbox-ternary-error", log().verboseParse().verboseCreateSsa().setVerboseSSAOptimize().verboseStatementSequence());
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}
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@Test
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public void testPaulNelsenSandbox() throws IOException, URISyntaxException {
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8
src/test/kc/simple-loop.kc
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8
src/test/kc/simple-loop.kc
Normal file
@ -0,0 +1,8 @@
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void main() {
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const unsigned char* SCREEN = 0x0400;
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for( unsigned char i = 0; i<128; i+=2) {
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SCREEN[i] = 'a';
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(*(unsigned char*)0xD020)=0;
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}
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}
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10
src/test/ref/literal-char-minus-number.asm
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10
src/test/ref/literal-char-minus-number.asm
Normal file
@ -0,0 +1,10 @@
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// Tests subtracting a number from a literal char
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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 SCREEN = $400
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lda #'a'-1
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sta SCREEN
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rts
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}
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15
src/test/ref/literal-char-minus-number.cfg
Normal file
15
src/test/ref/literal-char-minus-number.cfg
Normal file
@ -0,0 +1,15 @@
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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] *((const byte*) main::SCREEN#0) ← (byte) 'a'-(byte/signed byte/word/signed word/dword/signed dword) 1
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to:main::@return
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main::@return: scope:[main] from main
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[5] return
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to:@return
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210
src/test/ref/literal-char-minus-number.log
Normal file
210
src/test/ref/literal-char-minus-number.log
Normal file
@ -0,0 +1,210 @@
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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main: scope:[main] from @1
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(byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
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(byte/signed byte/word/signed word/dword/signed dword~) main::$0 ← (byte) 'a' - (byte/signed byte/word/signed word/dword/signed dword) 1
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*((byte*) main::SCREEN#0) ← (byte/signed byte/word/signed word/dword/signed dword~) main::$0
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to:main::@return
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main::@return: scope:[main] from main
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(void()) main()
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(byte/signed byte/word/signed word/dword/signed dword~) main::$0
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(label) main::@return
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(byte*) main::SCREEN
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(byte*) main::SCREEN#0
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Culled Empty Block (label) @2
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Successful SSA optimization Pass2CullEmptyBlocks
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Constant (const byte*) main::SCREEN#0 = ((byte*))$400
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Constant (const byte/signed byte/word/signed word/dword/signed dword) main::$0 = 'a'-1
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Successful SSA optimization Pass2ConstantIdentification
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Constant inlined main::$0 = (byte) 'a'-(byte/signed byte/word/signed word/dword/signed dword) 1
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Successful SSA optimization Pass2ConstantInlining
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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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CALL GRAPH
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Calls in [] to main:2
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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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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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] *((const byte*) main::SCREEN#0) ← (byte) 'a'-(byte/signed byte/word/signed word/dword/signed dword) 1
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to:main::@return
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main::@return: scope:[main] from main
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[5] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(byte*) main::SCREEN
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Initial phi equivalence classes
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Complete equivalence classes
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INITIAL ASM
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//SEG0 File Comments
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// Tests subtracting a number from a literal char
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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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jsr main
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//SEG7 [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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//SEG8 @end
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bend:
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//SEG9 main
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main: {
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.label SCREEN = $400
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//SEG10 [4] *((const byte*) main::SCREEN#0) ← (byte) 'a'-(byte/signed byte/word/signed word/dword/signed dword) 1 -- _deref_pbuc1=vbuc2
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lda #'a'-1
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sta SCREEN
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jmp breturn
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//SEG11 main::@return
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breturn:
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//SEG12 [5] return
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rts
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}
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] *((const byte*) main::SCREEN#0) ← (byte) 'a'-(byte/signed byte/word/signed word/dword/signed dword) 1 [ ] ( main:2 [ ] ) always clobbers reg byte a
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REGISTER UPLIFT SCOPES
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Uplift Scope [main]
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Uplift Scope []
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Uplifting [main] best 27 combination
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Uplifting [] best 27 combination
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ASSEMBLER BEFORE OPTIMIZATION
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//SEG0 File Comments
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// Tests subtracting a number from a literal char
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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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jsr main
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//SEG7 [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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//SEG8 @end
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bend:
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//SEG9 main
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main: {
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.label SCREEN = $400
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//SEG10 [4] *((const byte*) main::SCREEN#0) ← (byte) 'a'-(byte/signed byte/word/signed word/dword/signed dword) 1 -- _deref_pbuc1=vbuc2
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lda #'a'-1
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sta SCREEN
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jmp breturn
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//SEG11 main::@return
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breturn:
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//SEG12 [5] return
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rts
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}
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp b1
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Removing instruction jmp bend
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Removing instruction jmp breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction b1_from_bbegin:
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Removing instruction b1:
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Removing instruction bend_from_b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction bend:
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Removing instruction breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Updating BasicUpstart to call main directly
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Removing instruction jsr main
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Succesful ASM optimization Pass5SkipBegin
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Removing instruction bbegin:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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(label) @1
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(label) @begin
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(label) @end
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(void()) main()
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(label) main::@return
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(byte*) main::SCREEN
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(const byte*) main::SCREEN#0 SCREEN = ((byte*))(word/signed word/dword/signed dword) $400
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FINAL ASSEMBLER
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Score: 12
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//SEG0 File Comments
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// Tests subtracting a number from a literal char
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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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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//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
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//SEG5 @1
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//SEG6 [2] call main
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//SEG7 [3] phi from @1 to @end [phi:@1->@end]
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//SEG8 @end
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//SEG9 main
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main: {
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.label SCREEN = $400
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//SEG10 [4] *((const byte*) main::SCREEN#0) ← (byte) 'a'-(byte/signed byte/word/signed word/dword/signed dword) 1 -- _deref_pbuc1=vbuc2
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lda #'a'-1
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sta SCREEN
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//SEG11 main::@return
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//SEG12 [5] return
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rts
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}
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8
src/test/ref/literal-char-minus-number.sym
Normal file
8
src/test/ref/literal-char-minus-number.sym
Normal file
@ -0,0 +1,8 @@
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(label) @1
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(label) @begin
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(label) @end
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(void()) main()
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(label) main::@return
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(byte*) main::SCREEN
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(const byte*) main::SCREEN#0 SCREEN = ((byte*))(word/signed word/dword/signed dword) $400
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26
src/test/ref/sandbox-ternary-error.asm
Normal file
26
src/test/ref/sandbox-ternary-error.asm
Normal file
@ -0,0 +1,26 @@
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// Demonstrates error with nested ternary operator
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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 SCREEN = $400
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ldx #0
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b1:
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cpx #0
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beq b4
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cpx #1
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beq b2
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lda #'c'
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jmp b3
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b2:
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lda #'b'
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jmp b3
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b4:
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lda #'a'
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b3:
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sta SCREEN
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inx
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cpx #3
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bne b1
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rts
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}
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34
src/test/ref/sandbox-ternary-error.cfg
Normal file
34
src/test/ref/sandbox-ternary-error.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::@3
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[5] (byte) main::b#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@3/(byte) main::b#1 )
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[6] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@3
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to:main::@2
|
||||
main::@2: scope:[main] from main::@1
|
||||
[7] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2
|
||||
[8] phi()
|
||||
to:main::@5
|
||||
main::@5: scope:[main] from main::@2 main::@4
|
||||
[9] (byte~) main::$5 ← phi( main::@2/(byte) 'b' main::@4/(byte) 'c' )
|
||||
to:main::@3
|
||||
main::@3: scope:[main] from main::@1 main::@5
|
||||
[10] (byte~) main::$7 ← phi( main::@1/(byte) 'a' main::@5/(byte~) main::$5 )
|
||||
[11] *((const byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[12] (byte) main::b#1 ← ++ (byte) main::b#2
|
||||
[13] if((byte) main::b#1!=(byte/signed byte/word/signed word/dword/signed dword) 3) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@3
|
||||
[14] return
|
||||
to:@return
|
||||
988
src/test/ref/sandbox-ternary-error.log
Normal file
988
src/test/ref/sandbox-ternary-error.log
Normal file
@ -0,0 +1,988 @@
|
||||
PARSING src/test/kc/sandbox-ternary-error.kc
|
||||
// Demonstrates error with nested ternary operator
|
||||
|
||||
void main(void) {
|
||||
const byte* SCREEN = 0x0400;
|
||||
for ( byte b: 0..2 ) {
|
||||
*SCREEN = (b == 0) ? 'a' : ((b == 1) ? 'b' : 'c');
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
STATEMENTS
|
||||
proc (void()) main()
|
||||
(byte*) main::SCREEN ← (word/signed word/dword/signed dword) $400
|
||||
(byte) main:::1::b ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
main:::1::@1:
|
||||
(var) main:::1::$0 ← (byte) main:::1::b == (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
if((var) main:::1::$0) goto main:::1::@2
|
||||
main:::1::@3:
|
||||
(var) main:::1::$1 ← (byte) main:::1::b == (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
if((var) main:::1::$1) goto main:::1::@5
|
||||
main:::1::@6:
|
||||
(var) main:::1::$2 ← (byte) 'c'
|
||||
goto main:::1::@7
|
||||
main:::1::@5:
|
||||
(var) main:::1::$3 ← (byte) 'b'
|
||||
main:::1::@7:
|
||||
(var) main:::1::$4 ← phi( main:::1::@5/(var) main:::1::$3 main:::1::@6/(var) main:::1::$2 )
|
||||
(var) main:::1::$5 ← (var) main:::1::$4
|
||||
goto main:::1::@4
|
||||
main:::1::@2:
|
||||
(var) main:::1::$6 ← (byte) 'a'
|
||||
main:::1::@4:
|
||||
(var) main:::1::$7 ← phi( main:::1::@2/(var) main:::1::$6 main:::1::@7/(var) main:::1::$5 )
|
||||
*((byte*) main::SCREEN) ← (var) main:::1::$7
|
||||
(byte) main:::1::b ← (byte) main:::1::b + rangenext(0,2)
|
||||
(var) main:::1::$8 ← (byte) main:::1::b != rangelast(0,2)
|
||||
if((var) main:::1::$8) goto main:::1::@1
|
||||
main::@return:
|
||||
return
|
||||
endproc // main()
|
||||
call main
|
||||
|
||||
SYMBOLS
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(bool~) main::$0
|
||||
(bool~) main::$1
|
||||
(byte~) main::$2
|
||||
(byte~) main::$3
|
||||
(byte~) main::$4
|
||||
(byte~) main::$5
|
||||
(byte~) main::$6
|
||||
(byte~) main::$7
|
||||
(bool~) main::$8
|
||||
(label) main::@1
|
||||
(label) main::@10
|
||||
(label) main::@11
|
||||
(label) main::@12
|
||||
(label) main::@2
|
||||
(label) main::@3
|
||||
(label) main::@4
|
||||
(label) main::@5
|
||||
(label) main::@6
|
||||
(label) main::@7
|
||||
(label) main::@8
|
||||
(label) main::@9
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(byte) main::b
|
||||
|
||||
Promoting word/signed word/dword/signed dword to byte* in main::SCREEN ← ((byte*)) $400
|
||||
INITIAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from
|
||||
[0] (byte*) main::SCREEN ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
[1] (byte) main::b ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
[2] (bool~) main::$0 ← (byte) main::b == (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
[3] if((bool~) main::$0) goto main::@2
|
||||
to:main::@8
|
||||
main::@2: scope:[main] from main::@1 main::@11
|
||||
[4] (byte~) main::$6 ← (byte) 'a'
|
||||
to:main::@4
|
||||
main::@8: scope:[main] from main::@1
|
||||
to:main::@3
|
||||
main::@3: scope:[main] from main::@8
|
||||
[5] (bool~) main::$1 ← (byte) main::b == (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
[6] if((bool~) main::$1) goto main::@5
|
||||
to:main::@9
|
||||
main::@5: scope:[main] from main::@10 main::@3
|
||||
[7] (byte~) main::$3 ← (byte) 'b'
|
||||
to:main::@7
|
||||
main::@9: scope:[main] from main::@3
|
||||
to:main::@6
|
||||
main::@6: scope:[main] from main::@9
|
||||
[8] (byte~) main::$2 ← (byte) 'c'
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
[9] (byte~) main::$4 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
|
||||
[10] (byte~) main::$5 ← (byte~) main::$4
|
||||
to:main::@4
|
||||
main::@10: scope:[main] from
|
||||
to:main::@5
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
[11] (byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
|
||||
[12] *((byte*) main::SCREEN) ← (byte~) main::$7
|
||||
[13] (byte) main::b ← (byte) main::b + rangenext(0,2)
|
||||
[14] (bool~) main::$8 ← (byte) main::b != rangelast(0,2)
|
||||
[15] if((bool~) main::$8) goto main::@1
|
||||
to:main::@12
|
||||
main::@11: scope:[main] from
|
||||
to:main::@2
|
||||
main::@12: scope:[main] from main::@4
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@12
|
||||
[16] return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
[17] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Removing empty block main::@8
|
||||
Removing empty block main::@9
|
||||
Removing empty block main::@10
|
||||
Removing empty block main::@11
|
||||
Removing empty block main::@12
|
||||
PROCEDURE MODIFY VARIABLE ANALYSIS
|
||||
|
||||
Completing Phi functions...
|
||||
Completing Phi functions...
|
||||
Completing Phi functions...
|
||||
|
||||
CONTROL FLOW GRAPH SSA
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
(byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
(byte) main::b#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
(byte) main::b#2 ← phi( main/(byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
(bool~) main::$0 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
if((bool~) main::$0) goto main::@2
|
||||
to:main::@3
|
||||
main::@2: scope:[main] from main::@1
|
||||
(byte) main::b#5 ← phi( main::@1/(byte) main::b#2 )
|
||||
(byte~) main::$6 ← (byte) 'a'
|
||||
to:main::@4
|
||||
main::@3: scope:[main] from main::@1
|
||||
(byte) main::b#3 ← phi( main::@1/(byte) main::b#2 )
|
||||
(bool~) main::$1 ← (byte) main::b#3 == (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
if((bool~) main::$1) goto main::@5
|
||||
to:main::@6
|
||||
main::@5: scope:[main] from main::@3
|
||||
(byte) main::b#7 ← phi( main::@3/(byte) main::b#3 )
|
||||
(byte~) main::$3 ← (byte) 'b'
|
||||
to:main::@7
|
||||
main::@6: scope:[main] from main::@3
|
||||
(byte) main::b#8 ← phi( main::@3/(byte) main::b#3 )
|
||||
(byte~) main::$2 ← (byte) 'c'
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
(byte) main::b#6 ← phi( main::@5/(byte) main::b#7 main::@6/(byte) main::b#8 )
|
||||
(byte~) main::$4 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
|
||||
(byte~) main::$5 ← (byte~) main::$4
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
(byte) main::b#4 ← phi( main::@2/(byte) main::b#5 main::@7/(byte) main::b#6 )
|
||||
(byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
|
||||
*((byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
(byte) main::b#1 ← (byte) main::b#4 + rangenext(0,2)
|
||||
(bool~) main::$8 ← (byte) main::b#1 != rangelast(0,2)
|
||||
if((bool~) main::$8) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
call main
|
||||
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()
|
||||
(bool~) main::$0
|
||||
(bool~) main::$1
|
||||
(byte~) main::$2
|
||||
(byte~) main::$3
|
||||
(byte~) main::$4
|
||||
(byte~) main::$5
|
||||
(byte~) main::$6
|
||||
(byte~) main::$7
|
||||
(bool~) main::$8
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@3
|
||||
(label) main::@4
|
||||
(label) main::@5
|
||||
(label) main::@6
|
||||
(label) main::@7
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(byte*) main::SCREEN#0
|
||||
(byte) main::b
|
||||
(byte) main::b#0
|
||||
(byte) main::b#1
|
||||
(byte) main::b#2
|
||||
(byte) main::b#3
|
||||
(byte) main::b#4
|
||||
(byte) main::b#5
|
||||
(byte) main::b#6
|
||||
(byte) main::b#7
|
||||
(byte) main::b#8
|
||||
|
||||
Culled Empty Block (label) @2
|
||||
Successful SSA optimization Pass2CullEmptyBlocks
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
(byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
(byte) main::b#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
(byte) main::b#2 ← phi( main/(byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
(bool~) main::$0 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
if((bool~) main::$0) goto main::@2
|
||||
to:main::@3
|
||||
main::@2: scope:[main] from main::@1
|
||||
(byte) main::b#5 ← phi( main::@1/(byte) main::b#2 )
|
||||
(byte~) main::$6 ← (byte) 'a'
|
||||
to:main::@4
|
||||
main::@3: scope:[main] from main::@1
|
||||
(byte) main::b#3 ← phi( main::@1/(byte) main::b#2 )
|
||||
(bool~) main::$1 ← (byte) main::b#3 == (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
if((bool~) main::$1) goto main::@5
|
||||
to:main::@6
|
||||
main::@5: scope:[main] from main::@3
|
||||
(byte) main::b#7 ← phi( main::@3/(byte) main::b#3 )
|
||||
(byte~) main::$3 ← (byte) 'b'
|
||||
to:main::@7
|
||||
main::@6: scope:[main] from main::@3
|
||||
(byte) main::b#8 ← phi( main::@3/(byte) main::b#3 )
|
||||
(byte~) main::$2 ← (byte) 'c'
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
(byte) main::b#6 ← phi( main::@5/(byte) main::b#7 main::@6/(byte) main::b#8 )
|
||||
(byte~) main::$4 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
|
||||
(byte~) main::$5 ← (byte~) main::$4
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
(byte) main::b#4 ← phi( main::@2/(byte) main::b#5 main::@7/(byte) main::b#6 )
|
||||
(byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
|
||||
*((byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
(byte) main::b#1 ← (byte) main::b#4 + rangenext(0,2)
|
||||
(bool~) main::$8 ← (byte) main::b#1 != rangelast(0,2)
|
||||
if((bool~) main::$8) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Alias (byte) main::b#2 = (byte) main::b#5 (byte) main::b#3 (byte) main::b#7 (byte) main::b#8
|
||||
Alias (byte~) main::$5 = (byte~) main::$4
|
||||
Successful SSA optimization Pass2AliasElimination
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
[0] (byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
[1] (byte) main::b#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
[2] (byte) main::b#2 ← phi( main/(byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
[3] (bool~) main::$0 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
[4] if((bool~) main::$0) goto main::@2
|
||||
to:main::@3
|
||||
main::@2: scope:[main] from main::@1
|
||||
[6] (byte~) main::$6 ← (byte) 'a'
|
||||
to:main::@4
|
||||
main::@3: scope:[main] from main::@1
|
||||
[8] (bool~) main::$1 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
[9] if((bool~) main::$1) goto main::@5
|
||||
to:main::@6
|
||||
main::@5: scope:[main] from main::@3
|
||||
[11] (byte~) main::$3 ← (byte) 'b'
|
||||
to:main::@7
|
||||
main::@6: scope:[main] from main::@3
|
||||
[13] (byte~) main::$2 ← (byte) 'c'
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
[14] (byte) main::b#6 ← phi( main::@5/(byte) main::b#2 main::@6/(byte) main::b#2 )
|
||||
[14] (byte~) main::$5 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
[16] (byte) main::b#4 ← phi( main::@2/(byte) main::b#2 main::@7/(byte) main::b#6 )
|
||||
[16] (byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
|
||||
[17] *((byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[18] (byte) main::b#1 ← (byte) main::b#4 + rangenext(0,2)
|
||||
[19] (bool~) main::$8 ← (byte) main::b#1 != rangelast(0,2)
|
||||
[20] if((bool~) main::$8) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
[21] return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
[22] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Alias (byte) main::b#2 = (byte) main::b#6
|
||||
Successful SSA optimization Pass2AliasElimination
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
[0] (byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
[1] (byte) main::b#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
[2] (byte) main::b#2 ← phi( main/(byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
[3] (bool~) main::$0 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
[4] if((bool~) main::$0) goto main::@2
|
||||
to:main::@3
|
||||
main::@2: scope:[main] from main::@1
|
||||
[6] (byte~) main::$6 ← (byte) 'a'
|
||||
to:main::@4
|
||||
main::@3: scope:[main] from main::@1
|
||||
[8] (bool~) main::$1 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
[9] if((bool~) main::$1) goto main::@5
|
||||
to:main::@6
|
||||
main::@5: scope:[main] from main::@3
|
||||
[11] (byte~) main::$3 ← (byte) 'b'
|
||||
to:main::@7
|
||||
main::@6: scope:[main] from main::@3
|
||||
[13] (byte~) main::$2 ← (byte) 'c'
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
[14] (byte~) main::$5 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
[16] (byte) main::b#4 ← phi( main::@2/(byte) main::b#2 main::@7/(byte) main::b#2 )
|
||||
[16] (byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
|
||||
[17] *((byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[18] (byte) main::b#1 ← (byte) main::b#4 + rangenext(0,2)
|
||||
[19] (bool~) main::$8 ← (byte) main::b#1 != rangelast(0,2)
|
||||
[20] if((bool~) main::$8) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
[21] return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
[22] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Alias (byte) main::b#2 = (byte) main::b#4
|
||||
Successful SSA optimization Pass2AliasElimination
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
[0] (byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
[1] (byte) main::b#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
[2] (byte) main::b#2 ← phi( main/(byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
[3] (bool~) main::$0 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
[4] if((bool~) main::$0) goto main::@2
|
||||
to:main::@3
|
||||
main::@2: scope:[main] from main::@1
|
||||
[6] (byte~) main::$6 ← (byte) 'a'
|
||||
to:main::@4
|
||||
main::@3: scope:[main] from main::@1
|
||||
[8] (bool~) main::$1 ← (byte) main::b#2 == (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
[9] if((bool~) main::$1) goto main::@5
|
||||
to:main::@6
|
||||
main::@5: scope:[main] from main::@3
|
||||
[11] (byte~) main::$3 ← (byte) 'b'
|
||||
to:main::@7
|
||||
main::@6: scope:[main] from main::@3
|
||||
[13] (byte~) main::$2 ← (byte) 'c'
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
[14] (byte~) main::$5 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
[16] (byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
|
||||
[17] *((byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[18] (byte) main::b#1 ← (byte) main::b#2 + rangenext(0,2)
|
||||
[19] (bool~) main::$8 ← (byte) main::b#1 != rangelast(0,2)
|
||||
[20] if((bool~) main::$8) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
[21] return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
[22] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Simple Condition (bool~) main::$0 [4] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@2
|
||||
Simple Condition (bool~) main::$1 [9] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5
|
||||
Simple Condition (bool~) main::$8 [20] if((byte) main::b#1!=rangelast(0,2)) goto main::@1
|
||||
Successful SSA optimization Pass2ConditionalJumpSimplification
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
[0] (byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
[1] (byte) main::b#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
[2] (byte) main::b#2 ← phi( main/(byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
[4] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@2
|
||||
to:main::@3
|
||||
main::@2: scope:[main] from main::@1
|
||||
[6] (byte~) main::$6 ← (byte) 'a'
|
||||
to:main::@4
|
||||
main::@3: scope:[main] from main::@1
|
||||
[9] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5
|
||||
to:main::@6
|
||||
main::@5: scope:[main] from main::@3
|
||||
[11] (byte~) main::$3 ← (byte) 'b'
|
||||
to:main::@7
|
||||
main::@6: scope:[main] from main::@3
|
||||
[13] (byte~) main::$2 ← (byte) 'c'
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
[14] (byte~) main::$5 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
[16] (byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
|
||||
[17] *((byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[18] (byte) main::b#1 ← (byte) main::b#2 + rangenext(0,2)
|
||||
[20] if((byte) main::b#1!=rangelast(0,2)) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
[21] return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
[22] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Constant (const byte*) main::SCREEN#0 = ((byte*))$400
|
||||
Constant (const byte) main::b#0 = 0
|
||||
Constant (const byte) main::$6 = 'a'
|
||||
Constant (const byte) main::$3 = 'b'
|
||||
Constant (const byte) main::$2 = 'c'
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
[2] (byte) main::b#2 ← phi( main/(const byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
[4] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@2
|
||||
to:main::@3
|
||||
main::@2: scope:[main] from main::@1
|
||||
to:main::@4
|
||||
main::@3: scope:[main] from main::@1
|
||||
[9] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5
|
||||
to:main::@6
|
||||
main::@5: scope:[main] from main::@3
|
||||
to:main::@7
|
||||
main::@6: scope:[main] from main::@3
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@5 main::@6
|
||||
[14] (byte~) main::$5 ← phi( main::@5/(const byte) main::$3 main::@6/(const byte) main::$2 )
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2 main::@7
|
||||
[16] (byte~) main::$7 ← phi( main::@2/(const byte) main::$6 main::@7/(byte~) main::$5 )
|
||||
[17] *((const byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[18] (byte) main::b#1 ← (byte) main::b#2 + rangenext(0,2)
|
||||
[20] if((byte) main::b#1!=rangelast(0,2)) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
[21] return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
[22] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Resolved ranged next value main::b#1 ← ++ main::b#2 to ++
|
||||
Resolved ranged comparison value if(main::b#1!=rangelast(0,2)) goto main::@1 to (byte/signed byte/word/signed word/dword/signed dword) 3
|
||||
Culled Empty Block (label) main::@2
|
||||
Culled Empty Block (label) main::@5
|
||||
Successful SSA optimization Pass2CullEmptyBlocks
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
(byte) main::b#2 ← phi( main/(const byte) main::b#0 main::@4/(byte) main::b#1 )
|
||||
if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@4
|
||||
to:main::@3
|
||||
main::@3: scope:[main] from main::@1
|
||||
if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@7
|
||||
to:main::@6
|
||||
main::@6: scope:[main] from main::@3
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@3 main::@6
|
||||
(byte~) main::$5 ← phi( main::@3/(const byte) main::$3 main::@6/(const byte) main::$2 )
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@1 main::@7
|
||||
(byte~) main::$7 ← phi( main::@1/(const byte) main::$6 main::@7/(byte~) main::$5 )
|
||||
*((const byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
(byte) main::b#1 ← ++ (byte) main::b#2
|
||||
if((byte) main::b#1!=(byte/signed byte/word/signed word/dword/signed dword) 3) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Inlining constant with var siblings (const byte) main::b#0
|
||||
Constant inlined main::$6 = (byte) 'a'
|
||||
Constant inlined main::$3 = (byte) 'b'
|
||||
Constant inlined main::b#0 = (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
Constant inlined main::$2 = (byte) 'c'
|
||||
Successful SSA optimization Pass2ConstantInlining
|
||||
CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@4
|
||||
[0] (byte) main::b#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@4/(byte) main::b#1 )
|
||||
[1] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@4
|
||||
to:main::@3
|
||||
main::@3: scope:[main] from main::@1
|
||||
[2] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@7
|
||||
to:main::@6
|
||||
main::@6: scope:[main] from main::@3
|
||||
to:main::@7
|
||||
main::@7: scope:[main] from main::@3 main::@6
|
||||
[3] (byte~) main::$5 ← phi( main::@3/(byte) 'b' main::@6/(byte) 'c' )
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@1 main::@7
|
||||
[4] (byte~) main::$7 ← phi( main::@1/(byte) 'a' main::@7/(byte~) main::$5 )
|
||||
[5] *((const byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[6] (byte) main::b#1 ← ++ (byte) main::b#2
|
||||
[7] if((byte) main::b#1!=(byte/signed byte/word/signed word/dword/signed dword) 3) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@4
|
||||
[8] return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
[9] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
|
||||
Added new block during phi lifting main::@13(between main::@4 and main::@1)
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
Adding NOP phi() at start of main::@6
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
|
||||
Created 3 initial phi equivalence classes
|
||||
Coalesced [10] main::$9 ← main::$5
|
||||
Coalesced [16] main::b#9 ← main::b#1
|
||||
Coalesced down to 2 phi equivalence classes
|
||||
Culled Empty Block (label) main::@13
|
||||
Renumbering block main::@3 to main::@2
|
||||
Renumbering block main::@4 to main::@3
|
||||
Renumbering block main::@6 to main::@4
|
||||
Renumbering block main::@7 to main::@5
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
Adding NOP phi() at start of main::@4
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
[0] phi()
|
||||
to:@1
|
||||
@1: scope:[] from @begin
|
||||
[1] phi()
|
||||
[2] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
[3] phi()
|
||||
main: scope:[main] from @1
|
||||
[4] phi()
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@3
|
||||
[5] (byte) main::b#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@3/(byte) main::b#1 )
|
||||
[6] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@3
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main::@1
|
||||
[7] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5
|
||||
to:main::@4
|
||||
main::@4: scope:[main] from main::@2
|
||||
[8] phi()
|
||||
to:main::@5
|
||||
main::@5: scope:[main] from main::@2 main::@4
|
||||
[9] (byte~) main::$5 ← phi( main::@2/(byte) 'b' main::@4/(byte) 'c' )
|
||||
to:main::@3
|
||||
main::@3: scope:[main] from main::@1 main::@5
|
||||
[10] (byte~) main::$7 ← phi( main::@1/(byte) 'a' main::@5/(byte~) main::$5 )
|
||||
[11] *((const byte*) main::SCREEN#0) ← (byte~) main::$7
|
||||
[12] (byte) main::b#1 ← ++ (byte) main::b#2
|
||||
[13] if((byte) main::b#1!=(byte/signed byte/word/signed word/dword/signed dword) 3) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@3
|
||||
[14] return
|
||||
to:@return
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(void()) main()
|
||||
(byte~) main::$5 11.0
|
||||
(byte~) main::$7 22.0
|
||||
(byte*) main::SCREEN
|
||||
(byte) main::b
|
||||
(byte) main::b#1 16.5
|
||||
(byte) main::b#2 6.285714285714286
|
||||
|
||||
Initial phi equivalence classes
|
||||
[ main::b#2 main::b#1 ]
|
||||
[ main::$7 main::$5 ]
|
||||
Complete equivalence classes
|
||||
[ main::b#2 main::b#1 ]
|
||||
[ main::$7 main::$5 ]
|
||||
Allocated zp ZP_BYTE:2 [ main::b#2 main::b#1 ]
|
||||
Allocated zp ZP_BYTE:3 [ main::$7 main::$5 ]
|
||||
|
||||
INITIAL ASM
|
||||
//SEG0 File Comments
|
||||
// Demonstrates error with nested ternary operator
|
||||
//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 SCREEN = $400
|
||||
.label _5 = 3
|
||||
.label _7 = 3
|
||||
.label b = 2
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
//SEG12 [5] phi (byte) main::b#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
||||
lda #0
|
||||
sta b
|
||||
jmp b1
|
||||
//SEG13 [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
|
||||
b1_from_b3:
|
||||
//SEG14 [5] phi (byte) main::b#2 = (byte) main::b#1 [phi:main::@3->main::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@3 -- vbuz1_eq_0_then_la1
|
||||
lda b
|
||||
cmp #0
|
||||
beq b3_from_b1
|
||||
jmp b2
|
||||
//SEG17 main::@2
|
||||
b2:
|
||||
//SEG18 [7] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5 -- vbuz1_eq_vbuc1_then_la1
|
||||
lda #1
|
||||
cmp b
|
||||
beq b5_from_b2
|
||||
//SEG19 [8] phi from main::@2 to main::@4 [phi:main::@2->main::@4]
|
||||
b4_from_b2:
|
||||
jmp b4
|
||||
//SEG20 main::@4
|
||||
b4:
|
||||
//SEG21 [9] phi from main::@4 to main::@5 [phi:main::@4->main::@5]
|
||||
b5_from_b4:
|
||||
//SEG22 [9] phi (byte~) main::$5 = (byte) 'c' [phi:main::@4->main::@5#0] -- vbuz1=vbuc1
|
||||
lda #'c'
|
||||
sta _5
|
||||
jmp b5
|
||||
//SEG23 [9] phi from main::@2 to main::@5 [phi:main::@2->main::@5]
|
||||
b5_from_b2:
|
||||
//SEG24 [9] phi (byte~) main::$5 = (byte) 'b' [phi:main::@2->main::@5#0] -- vbuz1=vbuc1
|
||||
lda #'b'
|
||||
sta _5
|
||||
jmp b5
|
||||
//SEG25 main::@5
|
||||
b5:
|
||||
//SEG26 [10] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
|
||||
b3_from_b5:
|
||||
//SEG27 [10] phi (byte~) main::$7 = (byte~) main::$5 [phi:main::@5->main::@3#0] -- register_copy
|
||||
jmp b3
|
||||
//SEG28 [10] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
|
||||
b3_from_b1:
|
||||
//SEG29 [10] phi (byte~) main::$7 = (byte) 'a' [phi:main::@1->main::@3#0] -- vbuz1=vbuc1
|
||||
lda #'a'
|
||||
sta _7
|
||||
jmp b3
|
||||
//SEG30 main::@3
|
||||
b3:
|
||||
//SEG31 [11] *((const byte*) main::SCREEN#0) ← (byte~) main::$7 -- _deref_pbuc1=vbuz1
|
||||
lda _7
|
||||
sta SCREEN
|
||||
//SEG32 [12] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuz1=_inc_vbuz1
|
||||
inc b
|
||||
//SEG33 [13] if((byte) main::b#1!=(byte/signed byte/word/signed word/dword/signed dword) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
||||
lda #3
|
||||
cmp b
|
||||
bne b1_from_b3
|
||||
jmp breturn
|
||||
//SEG34 main::@return
|
||||
breturn:
|
||||
//SEG35 [14] return
|
||||
rts
|
||||
}
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Potential registers zp ZP_BYTE:2 [ main::b#2 main::b#1 ] : zp ZP_BYTE:2 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp ZP_BYTE:3 [ main::$7 main::$5 ] : zp ZP_BYTE:3 , reg byte a , reg byte x , reg byte y ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main] 33: zp ZP_BYTE:3 [ main::$7 main::$5 ] 22.79: zp ZP_BYTE:2 [ main::b#2 main::b#1 ]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 563 combination reg byte a [ main::$7 main::$5 ] reg byte x [ main::b#2 main::b#1 ]
|
||||
Uplifting [] best 563 combination
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 File Comments
|
||||
// Demonstrates error with nested ternary operator
|
||||
//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 SCREEN = $400
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
//SEG12 [5] phi (byte) main::b#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
jmp b1
|
||||
//SEG13 [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
|
||||
b1_from_b3:
|
||||
//SEG14 [5] phi (byte) main::b#2 = (byte) main::b#1 [phi:main::@3->main::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@3 -- vbuxx_eq_0_then_la1
|
||||
cpx #0
|
||||
beq b3_from_b1
|
||||
jmp b2
|
||||
//SEG17 main::@2
|
||||
b2:
|
||||
//SEG18 [7] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5 -- vbuxx_eq_vbuc1_then_la1
|
||||
cpx #1
|
||||
beq b5_from_b2
|
||||
//SEG19 [8] phi from main::@2 to main::@4 [phi:main::@2->main::@4]
|
||||
b4_from_b2:
|
||||
jmp b4
|
||||
//SEG20 main::@4
|
||||
b4:
|
||||
//SEG21 [9] phi from main::@4 to main::@5 [phi:main::@4->main::@5]
|
||||
b5_from_b4:
|
||||
//SEG22 [9] phi (byte~) main::$5 = (byte) 'c' [phi:main::@4->main::@5#0] -- vbuaa=vbuc1
|
||||
lda #'c'
|
||||
jmp b5
|
||||
//SEG23 [9] phi from main::@2 to main::@5 [phi:main::@2->main::@5]
|
||||
b5_from_b2:
|
||||
//SEG24 [9] phi (byte~) main::$5 = (byte) 'b' [phi:main::@2->main::@5#0] -- vbuaa=vbuc1
|
||||
lda #'b'
|
||||
jmp b5
|
||||
//SEG25 main::@5
|
||||
b5:
|
||||
//SEG26 [10] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
|
||||
b3_from_b5:
|
||||
//SEG27 [10] phi (byte~) main::$7 = (byte~) main::$5 [phi:main::@5->main::@3#0] -- register_copy
|
||||
jmp b3
|
||||
//SEG28 [10] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
|
||||
b3_from_b1:
|
||||
//SEG29 [10] phi (byte~) main::$7 = (byte) 'a' [phi:main::@1->main::@3#0] -- vbuaa=vbuc1
|
||||
lda #'a'
|
||||
jmp b3
|
||||
//SEG30 main::@3
|
||||
b3:
|
||||
//SEG31 [11] *((const byte*) main::SCREEN#0) ← (byte~) main::$7 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN
|
||||
//SEG32 [12] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
//SEG33 [13] if((byte) main::b#1!=(byte/signed byte/word/signed word/dword/signed dword) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #3
|
||||
bne b1_from_b3
|
||||
jmp breturn
|
||||
//SEG34 main::@return
|
||||
breturn:
|
||||
//SEG35 [14] return
|
||||
rts
|
||||
}
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp bend
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp b2
|
||||
Removing instruction jmp b4
|
||||
Removing instruction jmp b5
|
||||
Removing instruction jmp b3
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Replacing label b1_from_b3 with b1
|
||||
Removing instruction b1_from_bbegin:
|
||||
Removing instruction b1:
|
||||
Removing instruction main_from_b1:
|
||||
Removing instruction bend_from_b1:
|
||||
Removing instruction b1_from_b3:
|
||||
Removing instruction b4_from_b2:
|
||||
Removing instruction b5_from_b4:
|
||||
Removing instruction b3_from_b5:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction bend:
|
||||
Removing instruction b1_from_main:
|
||||
Removing instruction b2:
|
||||
Removing instruction b4:
|
||||
Removing instruction breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
Updating BasicUpstart to call main directly
|
||||
Removing instruction jsr main
|
||||
Succesful ASM optimization Pass5SkipBegin
|
||||
Skipping double jump to b3 in jmp b5
|
||||
Succesful ASM optimization Pass5DoubleJumpElimination
|
||||
Relabelling long label b5_from_b2 to b2
|
||||
Relabelling long label b3_from_b1 to b4
|
||||
Succesful ASM optimization Pass5RelabelLongLabels
|
||||
Removing instruction jmp b1
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction bbegin:
|
||||
Removing instruction b5:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(byte~) main::$5 reg byte a 11.0
|
||||
(byte~) main::$7 reg byte a 22.0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@3
|
||||
(label) main::@4
|
||||
(label) main::@5
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(const byte*) main::SCREEN#0 SCREEN = ((byte*))(word/signed word/dword/signed dword) $400
|
||||
(byte) main::b
|
||||
(byte) main::b#1 reg byte x 16.5
|
||||
(byte) main::b#2 reg byte x 6.285714285714286
|
||||
|
||||
reg byte x [ main::b#2 main::b#1 ]
|
||||
reg byte a [ main::$7 main::$5 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 341
|
||||
|
||||
//SEG0 File Comments
|
||||
// Demonstrates error with nested ternary operator
|
||||
//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 SCREEN = $400
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
//SEG12 [5] phi (byte) main::b#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
//SEG13 [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
|
||||
//SEG14 [5] phi (byte) main::b#2 = (byte) main::b#1 [phi:main::@3->main::@1#0] -- register_copy
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@3 -- vbuxx_eq_0_then_la1
|
||||
cpx #0
|
||||
beq b4
|
||||
//SEG17 main::@2
|
||||
//SEG18 [7] if((byte) main::b#2==(byte/signed byte/word/signed word/dword/signed dword) 1) goto main::@5 -- vbuxx_eq_vbuc1_then_la1
|
||||
cpx #1
|
||||
beq b2
|
||||
//SEG19 [8] phi from main::@2 to main::@4 [phi:main::@2->main::@4]
|
||||
//SEG20 main::@4
|
||||
//SEG21 [9] phi from main::@4 to main::@5 [phi:main::@4->main::@5]
|
||||
//SEG22 [9] phi (byte~) main::$5 = (byte) 'c' [phi:main::@4->main::@5#0] -- vbuaa=vbuc1
|
||||
lda #'c'
|
||||
jmp b3
|
||||
//SEG23 [9] phi from main::@2 to main::@5 [phi:main::@2->main::@5]
|
||||
b2:
|
||||
//SEG24 [9] phi (byte~) main::$5 = (byte) 'b' [phi:main::@2->main::@5#0] -- vbuaa=vbuc1
|
||||
lda #'b'
|
||||
//SEG25 main::@5
|
||||
//SEG26 [10] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
|
||||
//SEG27 [10] phi (byte~) main::$7 = (byte~) main::$5 [phi:main::@5->main::@3#0] -- register_copy
|
||||
jmp b3
|
||||
//SEG28 [10] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
|
||||
b4:
|
||||
//SEG29 [10] phi (byte~) main::$7 = (byte) 'a' [phi:main::@1->main::@3#0] -- vbuaa=vbuc1
|
||||
lda #'a'
|
||||
//SEG30 main::@3
|
||||
b3:
|
||||
//SEG31 [11] *((const byte*) main::SCREEN#0) ← (byte~) main::$7 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN
|
||||
//SEG32 [12] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
//SEG33 [13] if((byte) main::b#1!=(byte/signed byte/word/signed word/dword/signed dword) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #3
|
||||
bne b1
|
||||
//SEG34 main::@return
|
||||
//SEG35 [14] return
|
||||
rts
|
||||
}
|
||||
|
||||
20
src/test/ref/sandbox-ternary-error.sym
Normal file
20
src/test/ref/sandbox-ternary-error.sym
Normal file
@ -0,0 +1,20 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(byte~) main::$5 reg byte a 11.0
|
||||
(byte~) main::$7 reg byte a 22.0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@3
|
||||
(label) main::@4
|
||||
(label) main::@5
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(const byte*) main::SCREEN#0 SCREEN = ((byte*))(word/signed word/dword/signed dword) $400
|
||||
(byte) main::b
|
||||
(byte) main::b#1 reg byte x 16.5
|
||||
(byte) main::b#2 reg byte x 6.285714285714286
|
||||
|
||||
reg byte x [ main::b#2 main::b#1 ]
|
||||
reg byte a [ main::$7 main::$5 ]
|
||||
17
src/test/ref/simple-loop.asm
Normal file
17
src/test/ref/simple-loop.asm
Normal file
@ -0,0 +1,17 @@
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
main: {
|
||||
.label SCREEN = $400
|
||||
ldx #0
|
||||
b1:
|
||||
lda #'a'
|
||||
sta SCREEN,x
|
||||
lda #0
|
||||
sta $d020
|
||||
inx
|
||||
inx
|
||||
cpx #$80
|
||||
bcc b1
|
||||
rts
|
||||
}
|
||||
22
src/test/ref/simple-loop.cfg
Normal file
22
src/test/ref/simple-loop.cfg
Normal file
@ -0,0 +1,22 @@
|
||||
@begin: scope:[] from
|
||||
[0] phi()
|
||||
to:@1
|
||||
@1: scope:[] from @begin
|
||||
[1] phi()
|
||||
[2] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
[3] phi()
|
||||
main: scope:[main] from @1
|
||||
[4] phi()
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@1
|
||||
[5] (byte) main::i#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@1/(byte) main::i#1 )
|
||||
[6] *((const byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a'
|
||||
[7] *(((byte*))(word/dword/signed dword) $d020) ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
[8] (byte) main::i#1 ← (byte) main::i#2 + (byte/signed byte/word/signed word/dword/signed dword) 2
|
||||
[9] if((byte) main::i#1<(byte/word/signed word/dword/signed dword) $80) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@1
|
||||
[10] return
|
||||
to:@return
|
||||
328
src/test/ref/simple-loop.log
Normal file
328
src/test/ref/simple-loop.log
Normal file
@ -0,0 +1,328 @@
|
||||
|
||||
CONTROL FLOW GRAPH SSA
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
(byte*) main::SCREEN#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
|
||||
(byte) main::i#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@1
|
||||
(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@1/(byte) main::i#1 )
|
||||
*((byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a'
|
||||
(byte*~) main::$0 ← ((byte*)) (word/dword/signed dword) $d020
|
||||
*((byte*~) main::$0) ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) main::i#1 ← (byte) main::i#2 + (byte/signed byte/word/signed word/dword/signed dword) 2
|
||||
(bool~) main::$1 ← (byte) main::i#1 < (byte/word/signed word/dword/signed dword) $80
|
||||
if((bool~) main::$1) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@1
|
||||
return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
call main
|
||||
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*~) main::$0
|
||||
(bool~) main::$1
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(byte*) main::SCREEN#0
|
||||
(byte) main::i
|
||||
(byte) main::i#0
|
||||
(byte) main::i#1
|
||||
(byte) main::i#2
|
||||
|
||||
Culled Empty Block (label) @2
|
||||
Successful SSA optimization Pass2CullEmptyBlocks
|
||||
Simple Condition (bool~) main::$1 [8] if((byte) main::i#1<(byte/word/signed word/dword/signed dword) $80) goto main::@1
|
||||
Successful SSA optimization Pass2ConditionalJumpSimplification
|
||||
Constant (const byte*) main::SCREEN#0 = ((byte*))$400
|
||||
Constant (const byte) main::i#0 = 0
|
||||
Constant (const byte*) main::$0 = ((byte*))$d020
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Inlining constant with var siblings (const byte) main::i#0
|
||||
Constant inlined main::i#0 = (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
Constant inlined main::$0 = ((byte*))(word/dword/signed dword) $d020
|
||||
Successful SSA optimization Pass2ConstantInlining
|
||||
Added new block during phi lifting main::@3(between main::@1 and main::@1)
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
|
||||
Created 1 initial phi equivalence classes
|
||||
Coalesced [11] main::i#3 ← main::i#1
|
||||
Coalesced down to 1 phi equivalence classes
|
||||
Culled Empty Block (label) main::@3
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
[0] phi()
|
||||
to:@1
|
||||
@1: scope:[] from @begin
|
||||
[1] phi()
|
||||
[2] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
[3] phi()
|
||||
main: scope:[main] from @1
|
||||
[4] phi()
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@1
|
||||
[5] (byte) main::i#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@1/(byte) main::i#1 )
|
||||
[6] *((const byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a'
|
||||
[7] *(((byte*))(word/dword/signed dword) $d020) ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
[8] (byte) main::i#1 ← (byte) main::i#2 + (byte/signed byte/word/signed word/dword/signed dword) 2
|
||||
[9] if((byte) main::i#1<(byte/word/signed word/dword/signed dword) $80) goto main::@1
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@1
|
||||
[10] return
|
||||
to:@return
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(void()) main()
|
||||
(byte*) main::SCREEN
|
||||
(byte) main::i
|
||||
(byte) main::i#1 16.5
|
||||
(byte) main::i#2 11.0
|
||||
|
||||
Initial phi equivalence classes
|
||||
[ main::i#2 main::i#1 ]
|
||||
Complete equivalence classes
|
||||
[ main::i#2 main::i#1 ]
|
||||
Allocated zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||||
|
||||
INITIAL ASM
|
||||
//SEG0 File Comments
|
||||
//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 SCREEN = $400
|
||||
.label i = 2
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
//SEG12 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
||||
lda #0
|
||||
sta i
|
||||
jmp b1
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
b1_from_b1:
|
||||
//SEG14 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] *((const byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a' -- pbuc1_derefidx_vbuz1=vbuc2
|
||||
lda #'a'
|
||||
ldy i
|
||||
sta SCREEN,y
|
||||
//SEG17 [7] *(((byte*))(word/dword/signed dword) $d020) ← (byte/signed byte/word/signed word/dword/signed dword) 0 -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta $d020
|
||||
//SEG18 [8] (byte) main::i#1 ← (byte) main::i#2 + (byte/signed byte/word/signed word/dword/signed dword) 2 -- vbuz1=vbuz1_plus_2
|
||||
lda i
|
||||
clc
|
||||
adc #2
|
||||
sta i
|
||||
//SEG19 [9] if((byte) main::i#1<(byte/word/signed word/dword/signed dword) $80) goto main::@1 -- vbuz1_lt_vbuc1_then_la1
|
||||
lda i
|
||||
cmp #$80
|
||||
bcc b1_from_b1
|
||||
jmp breturn
|
||||
//SEG20 main::@return
|
||||
breturn:
|
||||
//SEG21 [10] return
|
||||
rts
|
||||
}
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [6] *((const byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a' [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a
|
||||
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||||
Statement [7] *(((byte*))(word/dword/signed dword) $d020) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a
|
||||
Statement [6] *((const byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a' [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a
|
||||
Statement [7] *(((byte*))(word/dword/signed dword) $d020) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a
|
||||
Potential registers zp ZP_BYTE:2 [ main::i#2 main::i#1 ] : zp ZP_BYTE:2 , reg byte x , reg byte y ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main] 27.5: zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 343 combination reg byte x [ main::i#2 main::i#1 ]
|
||||
Uplifting [] best 343 combination
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 File Comments
|
||||
//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 SCREEN = $400
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
//SEG12 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
jmp b1
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
b1_from_b1:
|
||||
//SEG14 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] *((const byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a' -- pbuc1_derefidx_vbuxx=vbuc2
|
||||
lda #'a'
|
||||
sta SCREEN,x
|
||||
//SEG17 [7] *(((byte*))(word/dword/signed dword) $d020) ← (byte/signed byte/word/signed word/dword/signed dword) 0 -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta $d020
|
||||
//SEG18 [8] (byte) main::i#1 ← (byte) main::i#2 + (byte/signed byte/word/signed word/dword/signed dword) 2 -- vbuxx=vbuxx_plus_2
|
||||
inx
|
||||
inx
|
||||
//SEG19 [9] if((byte) main::i#1<(byte/word/signed word/dword/signed dword) $80) goto main::@1 -- vbuxx_lt_vbuc1_then_la1
|
||||
cpx #$80
|
||||
bcc b1_from_b1
|
||||
jmp breturn
|
||||
//SEG20 main::@return
|
||||
breturn:
|
||||
//SEG21 [10] return
|
||||
rts
|
||||
}
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp bend
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
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:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction bend:
|
||||
Removing instruction b1_from_main:
|
||||
Removing instruction breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
Updating BasicUpstart to call main directly
|
||||
Removing instruction jsr main
|
||||
Succesful ASM optimization Pass5SkipBegin
|
||||
Removing instruction jmp b1
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction bbegin:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(const byte*) main::SCREEN#0 SCREEN = ((byte*))(word/signed word/dword/signed dword) $400
|
||||
(byte) main::i
|
||||
(byte) main::i#1 reg byte x 16.5
|
||||
(byte) main::i#2 reg byte x 11.0
|
||||
|
||||
reg byte x [ main::i#2 main::i#1 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 241
|
||||
|
||||
//SEG0 File Comments
|
||||
//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 SCREEN = $400
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
//SEG12 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
//SEG14 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] *((const byte*) main::SCREEN#0 + (byte) main::i#2) ← (byte) 'a' -- pbuc1_derefidx_vbuxx=vbuc2
|
||||
lda #'a'
|
||||
sta SCREEN,x
|
||||
//SEG17 [7] *(((byte*))(word/dword/signed dword) $d020) ← (byte/signed byte/word/signed word/dword/signed dword) 0 -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta $d020
|
||||
//SEG18 [8] (byte) main::i#1 ← (byte) main::i#2 + (byte/signed byte/word/signed word/dword/signed dword) 2 -- vbuxx=vbuxx_plus_2
|
||||
inx
|
||||
inx
|
||||
//SEG19 [9] if((byte) main::i#1<(byte/word/signed word/dword/signed dword) $80) goto main::@1 -- vbuxx_lt_vbuc1_then_la1
|
||||
cpx #$80
|
||||
bcc b1
|
||||
//SEG20 main::@return
|
||||
//SEG21 [10] return
|
||||
rts
|
||||
}
|
||||
|
||||
13
src/test/ref/simple-loop.sym
Normal file
13
src/test/ref/simple-loop.sym
Normal file
@ -0,0 +1,13 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(const byte*) main::SCREEN#0 SCREEN = ((byte*))(word/signed word/dword/signed dword) $400
|
||||
(byte) main::i
|
||||
(byte) main::i#1 reg byte x 16.5
|
||||
(byte) main::i#2 reg byte x 11.0
|
||||
|
||||
reg byte x [ main::i#2 main::i#1 ]
|
||||
Loading…
Reference in New Issue
Block a user