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comparison graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/GraalCompilerTest.java @ 18378:c57c3777fa72

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when testing replay compilation, only compare result of capturing compilation against replay compilation and ignore result of original compilation altogether
author Doug Simon <doug.simon@oracle.com>
date Fri, 14 Nov 2014 16:26:38 +0100
parents cb3c93857cbb
children df47f69cda83
comparison
equal deleted inserted replaced
18376:e11768d6136e 18378:c57c3777fa72
700 throw new GraalInternalError("Could not create test output directory: %s", OUTPUT_DIR.getAbsolutePath()); 700 throw new GraalInternalError("Could not create test output directory: %s", OUTPUT_DIR.getAbsolutePath());
701 } 701 }
702 return OUTPUT_DIR; 702 return OUTPUT_DIR;
703 } 703 }
704 704
705 protected String dissasembleToFile(CompilationResult original, ResolvedJavaMethod installedCodeOwner, String fileSuffix) { 705 protected String dissasembleToFile(CompilationResult result, ResolvedJavaMethod installedCodeOwner, String fileSuffix) {
706 String dis = getCodeCache().disassemble(original, null); 706 String dis = getCodeCache().disassemble(result, null);
707 File disFile = new File(getOutputDir(), installedCodeOwner.format("%H.%n_%p").replace(", ", "__") + "." + fileSuffix); 707 File disFile = new File(getOutputDir(), installedCodeOwner.format("%H.%n_%p").replace(", ", "__") + "." + fileSuffix);
708 try (PrintStream ps = new PrintStream(new FileOutputStream(disFile))) { 708 try (PrintStream ps = new PrintStream(new FileOutputStream(disFile))) {
709 ps.println(dis); 709 ps.println(dis);
710 return disFile.getAbsolutePath(); 710 return disFile.getAbsolutePath();
711 } catch (IOException e) { 711 } catch (IOException e) {
712 return null; 712 return null;
713 } 713 }
714 } 714 }
715 715
716 protected void checkCompilationResultsEqual(Context c, String prefix, CompilationResult original, CompilationResult derived, ResolvedJavaMethod installedCodeOwner) { 716 protected void checkCompilationResultsEqual(Context c, String prefix, CompilationResult expected, CompilationResult actual, ResolvedJavaMethod installedCodeOwner) {
717 if (!derived.equals(original)) { 717 if (!actual.equals(expected)) {
718 Mode mode = c.getMode(); 718 Mode mode = c.getMode();
719 // Temporarily force capturing mode as dumping/printing/disassembling 719 // Temporarily force capturing mode as dumping/printing/disassembling
720 // may need to execute proxy methods that have not yet been executed 720 // may need to execute proxy methods that have not yet been executed
721 c.setMode(Mode.Capturing); 721 c.setMode(Mode.Capturing);
722 try { 722 try {
723 String originalDisFile = dissasembleToFile(original, installedCodeOwner, "original"); 723 String expectedDisFile = dissasembleToFile(expected, installedCodeOwner, "expected");
724 String derivedDisFile = dissasembleToFile(derived, installedCodeOwner, "derived"); 724 String actualDisFile = dissasembleToFile(actual, installedCodeOwner, "actual");
725 String message = String.format("%s compilation result differs from original compilation result", prefix); 725 String message = String.format("%s compilation result differs from expected compilation result", prefix);
726 if (originalDisFile != null && derivedDisFile != null) { 726 if (expectedDisFile != null && actualDisFile != null) {
727 message += String.format(" [diff %s %s]", originalDisFile, derivedDisFile); 727 message += String.format(" [diff %s %s]", expectedDisFile, actualDisFile);
728 } 728 }
729 if (TEST_REPLAY_MISMATCH_IS_FAILURE) { 729 if (TEST_REPLAY_MISMATCH_IS_FAILURE) {
730 Assert.fail(message); 730 Assert.fail(message);
731 } else { 731 } else {
732 System.out.println(message); 732 System.out.println(message);
735 c.setMode(mode); 735 c.setMode(mode);
736 } 736 }
737 } 737 }
738 } 738 }
739 739
740 protected void testRecompile(Context c, Mode mode, CompilationResult originalResultInContext, ResolvedJavaMethod installedCodeOwner) { 740 protected CompilationResult testRecompile(Context c, Mode mode, CompilationResult expectedResult, ResolvedJavaMethod installedCodeOwner) {
741 try (Debug.Scope s = Debug.scope(mode.name(), new DebugDumpScope(mode.name(), true))) { 741 try (Debug.Scope s = Debug.scope(mode.name(), new DebugDumpScope(mode.name(), true))) {
742 742
743 StructuredGraph graphToCompile = parseForCompile(installedCodeOwner); 743 StructuredGraph graphToCompile = parseForCompile(installedCodeOwner);
744
744 lastCompiledGraph = graphToCompile; 745 lastCompiledGraph = graphToCompile;
745 746
746 CallingConvention cc = getCallingConvention(getCodeCache(), Type.JavaCallee, graphToCompile.method(), false); 747 CallingConvention cc = getCallingConvention(getCodeCache(), Type.JavaCallee, graphToCompile.method(), false);
747 Request<CompilationResult> request = c.get(new GraalCompiler.Request<>(graphToCompile, null, cc, installedCodeOwner, getProviders(), getBackend(), getCodeCache().getTarget(), null, 748 Request<CompilationResult> request = c.get(new GraalCompiler.Request<>(graphToCompile, null, cc, installedCodeOwner, getProviders(), getBackend(), getCodeCache().getTarget(), null,
748 getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL, getProfilingInfo(graphToCompile), getSpeculationLog(), getSuites(), new CompilationResult(), 749 getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL, getProfilingInfo(graphToCompile), getSpeculationLog(), getSuites(), new CompilationResult(),
749 CompilationResultBuilderFactory.Default)); 750 CompilationResultBuilderFactory.Default));
750 checkCompilationResultsEqual(c, mode.name(), originalResultInContext, GraalCompiler.compile(request), installedCodeOwner); 751 CompilationResult result = GraalCompiler.compile(request);
752 if (expectedResult != null) {
753 checkCompilationResultsEqual(c, mode.name(), expectedResult, result, installedCodeOwner);
754 }
755 return result;
751 } catch (Throwable e) { 756 } catch (Throwable e) {
752 throw Debug.handle(e); 757 throw Debug.handle(e);
753 } 758 }
754 } 759 }
755 760
756 protected void testReplayCompile(ResolvedJavaMethod installedCodeOwner) { 761 protected void testReplayCompile(ResolvedJavaMethod installedCodeOwner) {
757 CompilationResult originalResult;
758
759 // Repeat the compilation without a context to account for any side-effects the
760 // initial compilation may have had. For example, if dumping was enabled then
761 // the dumping code may have changed profiles in methods that are inlined
762 // by the test method being compiled.
763 try (Debug.Scope s = Debug.scope("Repeating", new DebugDumpScope("Repeating", true))) {
764 StructuredGraph graphToCompile = parseForCompile(installedCodeOwner);
765 lastCompiledGraph = graphToCompile;
766 CallingConvention cc = getCallingConvention(getCodeCache(), Type.JavaCallee, graphToCompile.method(), false);
767 originalResult = GraalCompiler.compileGraph(graphToCompile, null, cc, installedCodeOwner, getProviders(), getBackend(), getCodeCache().getTarget(), null, getDefaultGraphBuilderSuite(),
768 OptimisticOptimizations.ALL, getProfilingInfo(graphToCompile), getSpeculationLog(), getSuites(), new CompilationResult(), CompilationResultBuilderFactory.Default);
769 } catch (Throwable e) {
770 throw Debug.handle(e);
771 }
772
773 try (Context c = new Context()) { 762 try (Context c = new Context()) {
774 // Need to use an 'in context' copy of the original result when comparing for
775 // equality against other 'in context' results so that proxies are compared
776 // against proxies
777 CompilationResult originalResultInContext = c.get(originalResult);
778 763
779 // Capturing compilation 764 // Capturing compilation
780 testRecompile(c, Mode.Capturing, originalResultInContext, installedCodeOwner); 765 CompilationResult expected = testRecompile(c, Mode.Capturing, null, installedCodeOwner);
781 766
782 // Replay compilation 767 // Replay compilation
783 testRecompile(c, Mode.Replaying, originalResultInContext, installedCodeOwner); 768 testRecompile(c, Mode.Replaying, expected, installedCodeOwner);
784 } 769 }
785 } 770 }
786 771
787 /** 772 /**
788 * Compiles a given method. 773 * Compiles a given method.