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comparison graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/gen/LIRGenerator.java @ 3160:8044bdfaab06

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Lowering of array accesses.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 06 Jul 2011 16:15:15 +0200
parents eb120717a534
children ce7e5b3798f7
comparison
equal deleted inserted replaced
3159:7f2bf8fe6804 3160:8044bdfaab06
482 emitBooleanBranch(((NegateBooleanNode) node).value(), falseSuccessor, trueSuccessor, info); 482 emitBooleanBranch(((NegateBooleanNode) node).value(), falseSuccessor, trueSuccessor, info);
483 } else if (node instanceof Compare) { 483 } else if (node instanceof Compare) {
484 emitCompare((Compare) node, trueSuccessor, falseSuccessor); 484 emitCompare((Compare) node, trueSuccessor, falseSuccessor);
485 } else if (node instanceof InstanceOf) { 485 } else if (node instanceof InstanceOf) {
486 emitInstanceOf((TypeCheck) node, trueSuccessor, falseSuccessor, info); 486 emitInstanceOf((TypeCheck) node, trueSuccessor, falseSuccessor, info);
487 } else if (node instanceof Constant) {
488 emitConstantBranch(((Constant) node).asConstant().asBoolean(), trueSuccessor, falseSuccessor, info);
487 } else { 489 } else {
488 throw Util.unimplemented(node.toString()); 490 throw Util.unimplemented(node.toString());
489 } 491 }
490 } 492 }
491 493
494 XirSnippet snippet = xir.genInstanceOf(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); 496 XirSnippet snippet = xir.genInstanceOf(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass());
495 emitXir(snippet, x, info, null, false); 497 emitXir(snippet, x, info, null, false);
496 LIRXirInstruction instr = (LIRXirInstruction) lir.instructionsList().get(lir.instructionsList().size() - 1); 498 LIRXirInstruction instr = (LIRXirInstruction) lir.instructionsList().get(lir.instructionsList().size() - 1);
497 instr.setTrueSuccessor(trueSuccessor); 499 instr.setTrueSuccessor(trueSuccessor);
498 instr.setFalseSuccessor(falseSuccessor); 500 instr.setFalseSuccessor(falseSuccessor);
501 }
502
503
504 public void emitConstantBranch(boolean value, LIRBlock trueSuccessorBlock, LIRBlock falseSuccessorBlock, LIRDebugInfo info) {
505 if (value) {
506 emitConstantBranch(trueSuccessorBlock, info);
507 } else {
508 emitConstantBranch(falseSuccessorBlock, info);
509 }
510 }
511
512 private void emitConstantBranch(LIRBlock block, LIRDebugInfo info) {
513 if (block != null) {
514 lir.jump(block);
515 }
499 } 516 }
500 517
501 public void emitCompare(Compare compare, LIRBlock trueSuccessorBlock, LIRBlock falseSuccessorBlock) { 518 public void emitCompare(Compare compare, LIRBlock trueSuccessorBlock, LIRBlock falseSuccessorBlock) {
502 CiKind kind = compare.x().kind; 519 CiKind kind = compare.x().kind;
503 520
759 emitXir(typeCheck, x, info, compilation.method, false); 776 emitXir(typeCheck, x, info, compilation.method, false);
760 } else { 777 } else {
761 FrameState state = lastState; 778 FrameState state = lastState;
762 assert state != null : "deoptimize instruction always needs a state"; 779 assert state != null : "deoptimize instruction always needs a state";
763 780
764 if (deoptimizationStubs == null) { 781 if (comp instanceof Constant && comp.asConstant().asBoolean()) {
765 deoptimizationStubs = new ArrayList<DeoptimizationStub>(); 782 // Nothing to emit.
766 } 783 } else {
767 DeoptimizationStub stub = new DeoptimizationStub(DeoptAction.InvalidateReprofile, state); 784 if (deoptimizationStubs == null) {
768 deoptimizationStubs.add(stub); 785 deoptimizationStubs = new ArrayList<DeoptimizationStub>();
769 786 }
770 emitBooleanBranch(comp, null, new LIRBlock(stub.label, stub.info), stub.info); 787
788 DeoptimizationStub stub = new DeoptimizationStub(DeoptAction.InvalidateReprofile, state);
789 deoptimizationStubs.add(stub);
790 emitBooleanBranch(comp, null, new LIRBlock(stub.label, stub.info), stub.info);
791 }
771 } 792 }
772 } 793 }
773 794
774 @Override 795 @Override
775 public void visitPhi(Phi i) { 796 public void visitPhi(Phi i) {