Mercurial > hg > truffle
changeset 19116:7227f5671c87
Prototype for folding object equality at parse time.
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--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/FinalizableSubclassTest.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/FinalizableSubclassTest.java Wed Feb 04 03:04:20 2015 +0100 @@ -67,7 +67,7 @@ StructuredGraph graph = new StructuredGraph(javaMethod); GraphBuilderConfiguration conf = GraphBuilderConfiguration.getSnippetDefault(); - new GraphBuilderPhase.Instance(getMetaAccess(), getProviders().getStampProvider(), assumptions, conf, OptimisticOptimizations.ALL).apply(graph); + new GraphBuilderPhase.Instance(getMetaAccess(), getProviders().getStampProvider(), assumptions, getProviders().getConstantReflection(), conf, OptimisticOptimizations.ALL).apply(graph); HighTierContext context = new HighTierContext(getProviders(), assumptions, null, getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL); new InliningPhase(new CanonicalizerPhase(true)).apply(graph, context); new CanonicalizerPhase(true).apply(graph, context);
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/EATestBase.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/EATestBase.java Wed Feb 04 03:04:20 2015 +0100 @@ -152,7 +152,8 @@ graph = new StructuredGraph(method); try (Scope s = Debug.scope(getClass(), graph, method, getCodeCache())) { Assumptions assumptions = new Assumptions(false); - new GraphBuilderPhase.Instance(getMetaAccess(), getProviders().getStampProvider(), assumptions, GraphBuilderConfiguration.getEagerDefault(), OptimisticOptimizations.ALL).apply(graph); + new GraphBuilderPhase.Instance(getMetaAccess(), getProviders().getStampProvider(), assumptions, getProviders().getConstantReflection(), GraphBuilderConfiguration.getEagerDefault(), + OptimisticOptimizations.ALL).apply(graph); context = new HighTierContext(getProviders(), assumptions, null, getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL); new InliningPhase(new CanonicalizerPhase(true)).apply(graph, context); new DeadCodeEliminationPhase().apply(graph);
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/tutorial/StaticAnalysis.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/tutorial/StaticAnalysis.java Wed Feb 04 03:04:20 2015 +0100 @@ -238,7 +238,7 @@ OptimisticOptimizations optimisticOpts = OptimisticOptimizations.NONE; Assumptions assumptions = new Assumptions(false); - GraphBuilderPhase.Instance graphBuilder = new GraphBuilderPhase.Instance(metaAccess, stampProvider, assumptions, graphBuilderConfig, optimisticOpts); + GraphBuilderPhase.Instance graphBuilder = new GraphBuilderPhase.Instance(metaAccess, stampProvider, assumptions, null, graphBuilderConfig, optimisticOpts); graphBuilder.apply(graph); } catch (Throwable ex) { Debug.handle(ex);
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java Wed Feb 04 03:04:20 2015 +0100 @@ -69,7 +69,8 @@ @Override protected void run(StructuredGraph graph, HighTierContext context) { - new Instance(context.getMetaAccess(), context.getStampProvider(), context.getAssumptions(), graphBuilderConfig, graphBuilderPlugins, context.getOptimisticOptimizations()).run(graph); + new Instance(context.getMetaAccess(), context.getStampProvider(), context.getAssumptions(), context.getConstantReflection(), graphBuilderConfig, graphBuilderPlugins, + context.getOptimisticOptimizations()).run(graph); } public GraphBuilderConfiguration getGraphBuilderConfig() { @@ -93,6 +94,7 @@ private final OptimisticOptimizations optimisticOpts; private final StampProvider stampProvider; private final Assumptions assumptions; + private final ConstantReflectionProvider constantReflectionProvider; /** * Gets the graph being processed by this builder. @@ -101,19 +103,21 @@ return currentGraph; } - public Instance(MetaAccessProvider metaAccess, StampProvider stampProvider, Assumptions assumptions, GraphBuilderConfiguration graphBuilderConfig, GraphBuilderPlugins graphBuilderPlugins, - OptimisticOptimizations optimisticOpts) { + public Instance(MetaAccessProvider metaAccess, StampProvider stampProvider, Assumptions assumptions, ConstantReflectionProvider constantReflectionProvider, + GraphBuilderConfiguration graphBuilderConfig, GraphBuilderPlugins graphBuilderPlugins, OptimisticOptimizations optimisticOpts) { this.graphBuilderConfig = graphBuilderConfig; this.optimisticOpts = optimisticOpts; this.metaAccess = metaAccess; this.stampProvider = stampProvider; this.assumptions = assumptions; this.graphBuilderPlugins = graphBuilderPlugins; + this.constantReflectionProvider = constantReflectionProvider; assert metaAccess != null; } - public Instance(MetaAccessProvider metaAccess, StampProvider stampProvider, Assumptions assumptions, GraphBuilderConfiguration graphBuilderConfig, OptimisticOptimizations optimisticOpts) { - this(metaAccess, stampProvider, assumptions, graphBuilderConfig, null, optimisticOpts); + public Instance(MetaAccessProvider metaAccess, StampProvider stampProvider, Assumptions assumptions, ConstantReflectionProvider constantReflectionProvider, + GraphBuilderConfiguration graphBuilderConfig, OptimisticOptimizations optimisticOpts) { + this(metaAccess, stampProvider, assumptions, constantReflectionProvider, graphBuilderConfig, null, optimisticOpts); } @Override @@ -558,7 +562,7 @@ @Override protected ValueNode genObjectEquals(ValueNode x, ValueNode y) { - return new ObjectEqualsNode(x, y); + return ObjectEqualsNode.create(x, y, constantReflectionProvider); } @Override
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/CompareNode.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/CompareNode.java Wed Feb 04 03:04:20 2015 +0100 @@ -127,13 +127,13 @@ } public static LogicNode tryConstantFold(Condition condition, ValueNode forX, ValueNode forY, ConstantReflectionProvider constantReflection, boolean unorderedIsTrue) { - if (forX.isConstant() && forY.isConstant()) { + if (forX.isConstant() && forY.isConstant() && constantReflection != null) { return LogicConstantNode.forBoolean(condition.foldCondition(forX.asConstant(), forY.asConstant(), constantReflection, unorderedIsTrue)); } return null; } - protected abstract CompareNode duplicateModified(ValueNode newX, ValueNode newY); + protected abstract LogicNode duplicateModified(ValueNode newX, ValueNode newY); protected ValueNode canonicalizeSymmetricConstant(CanonicalizerTool tool, Constant constant, ValueNode nonConstant, boolean mirrored) { if (nonConstant instanceof ConditionalNode) {
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/FloatEqualsNode.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/FloatEqualsNode.java Wed Feb 04 03:04:20 2015 +0100 @@ -22,6 +22,7 @@ */ package com.oracle.graal.nodes.calc; +import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.compiler.common.type.*; @@ -31,7 +32,7 @@ import com.oracle.graal.nodes.util.*; @NodeInfo(shortName = "==") -public class FloatEqualsNode extends CompareNode { +public final class FloatEqualsNode extends CompareNode { public FloatEqualsNode(ValueNode x, ValueNode y) { super(Condition.EQ, false, x, y); @@ -39,6 +40,15 @@ assert x.stamp().isCompatible(y.stamp()); } + public static LogicNode create(ValueNode x, ValueNode y, ConstantReflectionProvider constantReflection) { + LogicNode result = CompareNode.tryConstantFold(Condition.EQ, x, y, constantReflection, false); + if (result != null) { + return result; + } else { + return new FloatEqualsNode(x, y); + } + } + @Override public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) { ValueNode result = super.canonical(tool, forX, forY);
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NormalizeCompareNode.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NormalizeCompareNode.java Wed Feb 04 03:04:20 2015 +0100 @@ -55,7 +55,7 @@ LogicNode equalComp; LogicNode lessComp; if (getX().stamp() instanceof FloatStamp) { - equalComp = graph().unique(new FloatEqualsNode(getX(), getY())); + equalComp = graph().unique(FloatEqualsNode.create(getX(), getY(), tool.getConstantReflection())); lessComp = graph().unique(new FloatLessThanNode(getX(), getY(), isUnorderedLess)); } else { equalComp = graph().unique(new IntegerEqualsNode(getX(), getY()));
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java Wed Feb 04 03:04:20 2015 +0100 @@ -24,6 +24,7 @@ import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; +import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; @@ -38,6 +39,15 @@ assert y.stamp() instanceof AbstractObjectStamp; } + public static LogicNode create(ValueNode x, ValueNode y, ConstantReflectionProvider constantReflection) { + LogicNode result = CompareNode.tryConstantFold(Condition.EQ, x, y, constantReflection, false); + if (result != null) { + return result; + } else { + return new ObjectEqualsNode(x, y); + } + } + private void virtualizeNonVirtualComparison(State state, ValueNode other, VirtualizerTool tool) { if (!state.getVirtualObject().hasIdentity() && state.getVirtualObject().entryKind(0) == Kind.Boolean) { if (other.isConstant()) { @@ -75,7 +85,7 @@ /* * One of the two objects has identity, the other doesn't. In code, this looks like * "Integer.valueOf(a) == new Integer(b)", which is always false. - * + * * In other words: an object created via valueOf can never be equal to one created * by new in the same compilation unit. */
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ReplacementsImpl.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ReplacementsImpl.java Wed Feb 04 03:04:20 2015 +0100 @@ -619,8 +619,8 @@ if (MethodsElidedInSnippets != null && methodToParse.getSignature().getReturnKind() == Kind.Void && MethodFilter.matches(MethodsElidedInSnippets, methodToParse)) { graph.addAfterFixed(graph.start(), graph.add(new ReturnNode(null))); } else { - createGraphBuilder(metaAccess, replacements.providers.getStampProvider(), replacements.assumptions, GraphBuilderConfiguration.getSnippetDefault(), OptimisticOptimizations.NONE).apply( - graph); + createGraphBuilder(metaAccess, replacements.providers.getStampProvider(), replacements.assumptions, replacements.providers.getConstantReflection(), + GraphBuilderConfiguration.getSnippetDefault(), OptimisticOptimizations.NONE).apply(graph); } afterParsing(graph); @@ -633,9 +633,9 @@ return graph; } - protected Instance createGraphBuilder(MetaAccessProvider metaAccess, StampProvider stampProvider, Assumptions assumptions, GraphBuilderConfiguration graphBuilderConfig, - OptimisticOptimizations optimisticOpts) { - return new GraphBuilderPhase.Instance(metaAccess, stampProvider, assumptions, graphBuilderConfig, optimisticOpts); + protected Instance createGraphBuilder(MetaAccessProvider metaAccess, StampProvider stampProvider, Assumptions assumptions, ConstantReflectionProvider constantReflectionProvider, + GraphBuilderConfiguration graphBuilderConfig, OptimisticOptimizations optimisticOpts) { + return new GraphBuilderPhase.Instance(metaAccess, stampProvider, assumptions, constantReflectionProvider, graphBuilderConfig, optimisticOpts); } protected void afterParsing(StructuredGraph graph) {
--- a/graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime.java Wed Feb 04 03:04:20 2015 +0100 @@ -177,7 +177,8 @@ Suites suites = suitesProvider.createSuites(); removeInliningPhase(suites); StructuredGraph graph = new StructuredGraph(javaMethod); - new GraphBuilderPhase.Instance(metaAccess, providers.getStampProvider(), new Assumptions(false), GraphBuilderConfiguration.getEagerDefault(), OptimisticOptimizations.ALL).apply(graph); + new GraphBuilderPhase.Instance(metaAccess, providers.getStampProvider(), new Assumptions(false), providers.getConstantReflection(), GraphBuilderConfiguration.getEagerDefault(), + OptimisticOptimizations.ALL).apply(graph); PhaseSuite<HighTierContext> graphBuilderSuite = getGraphBuilderSuite(suitesProvider); CallingConvention cc = getCallingConvention(providers.getCodeCache(), Type.JavaCallee, graph.method(), false); Backend backend = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend();
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/PartialEvaluator.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/PartialEvaluator.java Wed Feb 04 03:04:20 2015 +0100 @@ -180,7 +180,7 @@ GraphBuilderConfiguration newConfig = configForRoot.copy(); newConfig.setLoadFieldPlugin(new InterceptLoadFieldPlugin()); newConfig.setParameterPlugin(new InterceptReceiverPlugin(callTarget)); - new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), new Assumptions(false), newConfig, TruffleCompilerImpl.Optimizations).apply(graph); + new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), new Assumptions(false), providers.getConstantReflection(), newConfig, TruffleCompilerImpl.Optimizations).apply(graph); Debug.dump(graph, "After FastPE"); } @@ -227,13 +227,15 @@ } public StructuredGraph createRootGraph(StructuredGraph graph) { - new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), new Assumptions(false), configForRoot, TruffleCompilerImpl.Optimizations).apply(graph); + new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), new Assumptions(false), providers.getConstantReflection(), configForRoot, + TruffleCompilerImpl.Optimizations).apply(graph); return graph; } public StructuredGraph createInlineGraph(String name) { StructuredGraph graph = new StructuredGraph(name, callInlinedMethod); - new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), new Assumptions(false), configForRoot, TruffleCompilerImpl.Optimizations).apply(graph); + new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), new Assumptions(false), providers.getConstantReflection(), configForRoot, + TruffleCompilerImpl.Optimizations).apply(graph); return graph; }
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCacheImpl.java Wed Feb 04 02:38:59 2015 +0100 +++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCacheImpl.java Wed Feb 04 03:04:20 2015 +0100 @@ -270,7 +270,7 @@ protected StructuredGraph parseGraph(final ResolvedJavaMethod method, final PhaseContext phaseContext) { final StructuredGraph graph = new StructuredGraph(method); - new GraphBuilderPhase.Instance(phaseContext.getMetaAccess(), phaseContext.getStampProvider(), phaseContext.getAssumptions(), config, optimisticOptimizations).apply(graph); + new GraphBuilderPhase.Instance(phaseContext.getMetaAccess(), phaseContext.getStampProvider(), phaseContext.getAssumptions(), null, config, optimisticOptimizations).apply(graph); return graph; }