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Example 31 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class ShortCircuitOrNodeTest method testCascade.

@Test
public void testCascade() {
    for (int i = 1; i <= 64; ++i) {
        String snippet = "testCascadeSnippet" + i;
        StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES);
        PhaseContext context = new PhaseContext(getProviders());
        CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
        canonicalizer.apply(graph, context);
        int shortCircuitCount = graph.getNodes(ShortCircuitOrNode.TYPE).count();
        int trueCount = testInputCombinations(snippet);
        if (trueCount % 2 == 0) {
            // No ShortCircuitOrNode expected in the graph.
            Assert.assertEquals(0, shortCircuitCount);
        } else {
            // Only a single ShortCircuitOrNode expected in the graph.
            Assert.assertEquals(1, shortCircuitCount);
        }
    }
}
Also used : PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) Test(org.junit.Test) GraalCompilerTest(org.graalvm.compiler.core.test.GraalCompilerTest)

Example 32 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class IfNodeCanonicalizationTest method test.

public void test(String name, Class<? extends Node> expectedClass, int expectedCount) {
    StructuredGraph graph = parseEager(name, AllowAssumptions.YES);
    PhaseContext context = new PhaseContext(getProviders());
    CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
    new ConvertDeoptimizeToGuardPhase().apply(graph, context);
    graph.clearAllStateAfter();
    graph.setGuardsStage(StructuredGraph.GuardsStage.AFTER_FSA);
    canonicalizer.apply(graph, context);
    // new DominatorConditionalEliminationPhase(true).apply(graph, context);
    new IterativeConditionalEliminationPhase(canonicalizer, true).apply(graph, context);
    canonicalizer.apply(graph, context);
    canonicalizer.apply(graph, context);
    Assert.assertEquals(expectedCount, graph.getNodes().filter(expectedClass).count());
}
Also used : PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) IterativeConditionalEliminationPhase(org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) ConvertDeoptimizeToGuardPhase(org.graalvm.compiler.phases.common.ConvertDeoptimizeToGuardPhase)

Example 33 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class PartialEvaluationTest method removeFrameStates.

protected void removeFrameStates(StructuredGraph graph) {
    for (FrameState frameState : graph.getNodes(FrameState.TYPE)) {
        frameState.replaceAtUsages(null);
        frameState.safeDelete();
    }
    new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
    new DeadCodeEliminationPhase().apply(graph);
}
Also used : PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) FrameState(org.graalvm.compiler.nodes.FrameState) DeadCodeEliminationPhase(org.graalvm.compiler.phases.common.DeadCodeEliminationPhase)

Example 34 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class IntrinsifyMethodHandlesInvocationPlugin method processInvokeWithMethodHandle.

@SuppressWarnings("try")
private void processInvokeWithMethodHandle(GraphBuilderContext b, BytecodeProvider bytecodeProvider, ResolvedJavaMethod methodHandleMethod, ValueNode[] methodHandleArguments) {
    Plugins graphBuilderPlugins = new Plugins(((ReplacementsImpl) originalProviders.getReplacements()).getGraphBuilderPlugins());
    registerInvocationPlugins(graphBuilderPlugins.getInvocationPlugins(), bytecodeProvider);
    graphBuilderPlugins.prependParameterPlugin(new MethodHandlesParameterPlugin(methodHandleArguments));
    graphBuilderPlugins.clearInlineInvokePlugins();
    graphBuilderPlugins.prependInlineInvokePlugin(new MethodHandlesInlineInvokePlugin());
    graphBuilderPlugins.prependNodePlugin(new MethodHandlePlugin(originalProviders.getConstantReflection().getMethodHandleAccess(), false));
    /* We do all the word type rewriting because parameters to the lambda can be word types. */
    SnippetReflectionProvider originalSnippetReflection = GraalAccess.getOriginalSnippetReflection();
    WordOperationPlugin wordOperationPlugin = new WordOperationPlugin(originalSnippetReflection, new WordTypes(originalProviders.getMetaAccess(), FrameAccess.getWordKind()));
    graphBuilderPlugins.appendInlineInvokePlugin(wordOperationPlugin);
    graphBuilderPlugins.appendTypePlugin(wordOperationPlugin);
    graphBuilderPlugins.appendTypePlugin(new TrustedInterfaceTypePlugin());
    graphBuilderPlugins.appendNodePlugin(wordOperationPlugin);
    GraphBuilderConfiguration graphBuilderConfig = GraphBuilderConfiguration.getSnippetDefault(graphBuilderPlugins);
    GraphBuilderPhase.Instance graphBuilder = new GraphBuilderPhase.Instance(originalProviders.getMetaAccess(), originalProviders.getStampProvider(), originalProviders.getConstantReflection(), originalProviders.getConstantFieldProvider(), graphBuilderConfig, OptimisticOptimizations.NONE, null);
    DebugContext debug = b.getDebug();
    StructuredGraph graph = new StructuredGraph.Builder(b.getOptions(), debug).method(toOriginal(methodHandleMethod)).build();
    try (DebugContext.Scope s = debug.scope("IntrinsifyMethodHandles", graph)) {
        graphBuilder.apply(graph);
        /*
             * We do not care about the improved type information from Pi nodes, so we just delete
             * them to simplify our graph.
             */
        for (PiNode pi : graph.getNodes(PiNode.TYPE)) {
            pi.replaceAndDelete(pi.object());
        }
        /*
             * Support for MethodHandle that adapt the input type to a more generic type, i.e., a
             * MethodHandle that does a dynamic type check on a parameter.
             */
        for (UnaryOpLogicNode node : graph.getNodes().filter(UnaryOpLogicNode.class).filter(v -> v instanceof IsNullNode || v instanceof InstanceOfNode)) {
            ValueNode value = node.getValue();
            if (value instanceof ParameterNode) {
                /*
                     * We just assume that the InstanceOfNode or IsNullNode are used in an If and
                     * the true-successor is actually the branch we want. If that assumption is
                     * wrong, nothing bad happens - we will just continue to report the invocation
                     * as unsupported because the updated stamp for the parameter will not simplify
                     * the graph.
                     */
                if (node instanceof InstanceOfNode) {
                    InstanceOfNode inst = (InstanceOfNode) node;
                    TypeReference typeRef = inst.type();
                    value.setStamp(new ObjectStamp(typeRef.getType(), typeRef.isExact(), !inst.allowsNull(), false));
                } else {
                    assert node instanceof IsNullNode;
                    ResolvedJavaType type = value.stamp(NodeView.DEFAULT).javaType(originalProviders.getMetaAccess());
                    value.setStamp(new ObjectStamp(type, false, /* non-null */
                    true, false));
                }
            }
        }
        /*
             * The canonicalizer converts unsafe field accesses for get/set method handles back to
             * high-level field load and store nodes.
             */
        new CanonicalizerPhase().apply(graph, new PhaseContext(originalProviders));
        for (FixedGuardNode guard : graph.getNodes(FixedGuardNode.TYPE)) {
            if (guard.next() instanceof AccessFieldNode && guard.condition() instanceof IsNullNode && guard.isNegated() && ((IsNullNode) guard.condition()).getValue() == ((AccessFieldNode) guard.next()).object()) {
                /*
                     * Method handles to load and stores fields have null checks. Remove them, since
                     * the null check is implicitly done by the field access.
                     */
                GraphUtil.removeFixedWithUnusedInputs(guard);
            }
        }
        debug.dump(DebugContext.VERY_DETAILED_LEVEL, graph, "Final intrinisfication graph");
        /*
             * After parsing (and recursive inlining during parsing), the graph must contain only
             * one invocation (and therefore only one MethodCallTargetNode), plus the parameters,
             * constants, start, and return nodes.
             */
        Node singleFunctionality = null;
        ReturnNode singleReturn = null;
        for (Node node : graph.getNodes()) {
            if (node == graph.start() || node instanceof ParameterNode || node instanceof ConstantNode || node instanceof FrameState) {
                /* Ignore the allowed framework around the nodes we care about. */
                continue;
            } else if (node instanceof Invoke) {
                /* We check the MethodCallTargetNode, so we can ignore the invoke. */
                continue;
            } else if ((node instanceof MethodCallTargetNode || node instanceof LoadFieldNode || node instanceof StoreFieldNode) && singleFunctionality == null) {
                singleFunctionality = node;
                continue;
            } else if (node instanceof ReturnNode && singleReturn == null) {
                singleReturn = (ReturnNode) node;
                continue;
            }
            throw new UnsupportedFeatureException("Invoke with MethodHandle argument could not be reduced to at most a single call: " + methodHandleMethod.format("%H.%n(%p)"));
        }
        if (singleFunctionality instanceof MethodCallTargetNode) {
            MethodCallTargetNode singleCallTarget = (MethodCallTargetNode) singleFunctionality;
            assert singleReturn.result() == null || singleReturn.result() == singleCallTarget.invoke();
            /*
                 * Replace the originalTarget with the replacementTarget. Note that the
                 * replacementTarget node belongs to a different graph than originalTarget, so we
                 * need to match parameter back to the original graph and allocate a new
                 * MethodCallTargetNode for the original graph.
                 */
            ValueNode[] replacedArguments = new ValueNode[singleCallTarget.arguments().size()];
            for (int i = 0; i < replacedArguments.length; i++) {
                replacedArguments[i] = lookup(b, methodHandleArguments, singleCallTarget.arguments().get(i));
            }
            b.handleReplacedInvoke(singleCallTarget.invokeKind(), lookup(singleCallTarget.targetMethod()), replacedArguments, false);
        } else if (singleFunctionality instanceof LoadFieldNode) {
            LoadFieldNode fieldLoad = (LoadFieldNode) singleFunctionality;
            b.addPush(b.getInvokeReturnType().getJavaKind(), LoadFieldNode.create(null, lookup(b, methodHandleArguments, fieldLoad.object()), lookup(fieldLoad.field())));
        } else if (singleFunctionality instanceof StoreFieldNode) {
            StoreFieldNode fieldStore = (StoreFieldNode) singleFunctionality;
            b.add(new StoreFieldNode(lookup(b, methodHandleArguments, fieldStore.object()), lookup(fieldStore.field()), lookup(b, methodHandleArguments, fieldStore.value())));
        } else if (singleReturn.result() != null) {
            /* Replace the invocation with he constant result. */
            JavaConstant constantResult = singleReturn.result().asJavaConstant();
            assert b.getInvokeReturnType().getJavaKind() == constantResult.getJavaKind();
            b.addPush(constantResult.getJavaKind(), ConstantNode.forConstant(lookup(constantResult), universeProviders.getMetaAccess()));
        } else {
            /* No invoke and no return value, so nothing to do. */
            assert b.getInvokeReturnType().getJavaKind() == JavaKind.Void;
        }
    } catch (Throwable ex) {
        throw debug.handle(ex);
    }
}
Also used : ObjectStamp(org.graalvm.compiler.core.common.type.ObjectStamp) MethodCallTargetNode(org.graalvm.compiler.nodes.java.MethodCallTargetNode) AccessFieldNode(org.graalvm.compiler.nodes.java.AccessFieldNode) ReturnNode(org.graalvm.compiler.nodes.ReturnNode) FixedGuardNode(org.graalvm.compiler.nodes.FixedGuardNode) PiNode(org.graalvm.compiler.nodes.PiNode) UnaryOpLogicNode(org.graalvm.compiler.nodes.UnaryOpLogicNode) ValueNode(org.graalvm.compiler.nodes.ValueNode) IsNullNode(org.graalvm.compiler.nodes.calc.IsNullNode) FloatingNode(org.graalvm.compiler.nodes.calc.FloatingNode) LoadFieldNode(org.graalvm.compiler.nodes.java.LoadFieldNode) ConstantNode(org.graalvm.compiler.nodes.ConstantNode) InstanceOfNode(org.graalvm.compiler.nodes.java.InstanceOfNode) ParameterNode(org.graalvm.compiler.nodes.ParameterNode) StoreFieldNode(org.graalvm.compiler.nodes.java.StoreFieldNode) Node(org.graalvm.compiler.graph.Node) WordTypes(org.graalvm.compiler.word.WordTypes) JavaConstant(jdk.vm.ci.meta.JavaConstant) PiNode(org.graalvm.compiler.nodes.PiNode) FrameState(org.graalvm.compiler.nodes.FrameState) UnaryOpLogicNode(org.graalvm.compiler.nodes.UnaryOpLogicNode) ResolvedJavaType(jdk.vm.ci.meta.ResolvedJavaType) Invoke(org.graalvm.compiler.nodes.Invoke) PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) SnippetReflectionProvider(org.graalvm.compiler.api.replacements.SnippetReflectionProvider) ConstantNode(org.graalvm.compiler.nodes.ConstantNode) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) ParameterNode(org.graalvm.compiler.nodes.ParameterNode) TypeReference(org.graalvm.compiler.core.common.type.TypeReference) GraphBuilderPhase(org.graalvm.compiler.java.GraphBuilderPhase) InvocationPlugins(org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins) Plugins(org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins) StoreFieldNode(org.graalvm.compiler.nodes.java.StoreFieldNode) UnsupportedFeatureException(com.oracle.graal.pointsto.constraints.UnsupportedFeatureException) GraphBuilderConfiguration(org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration) DebugContext(org.graalvm.compiler.debug.DebugContext) LoadFieldNode(org.graalvm.compiler.nodes.java.LoadFieldNode) TrustedInterfaceTypePlugin(com.oracle.svm.core.graal.phases.TrustedInterfaceTypePlugin) FixedGuardNode(org.graalvm.compiler.nodes.FixedGuardNode) ReturnNode(org.graalvm.compiler.nodes.ReturnNode) MethodCallTargetNode(org.graalvm.compiler.nodes.java.MethodCallTargetNode) IsNullNode(org.graalvm.compiler.nodes.calc.IsNullNode) AccessFieldNode(org.graalvm.compiler.nodes.java.AccessFieldNode) ValueNode(org.graalvm.compiler.nodes.ValueNode) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) InstanceOfNode(org.graalvm.compiler.nodes.java.InstanceOfNode) MethodHandlePlugin(org.graalvm.compiler.replacements.MethodHandlePlugin) WordOperationPlugin(org.graalvm.compiler.word.WordOperationPlugin)

Example 35 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class LoopPhiCanonicalizerTest method test.

@Test
public void test() {
    StructuredGraph graph = parseEager("loopSnippet", AllowAssumptions.YES);
    NodePredicate loopPhis = node -> node instanceof PhiNode && ((PhiNode) node).merge() instanceof LoopBeginNode;
    PhaseContext context = new PhaseContext(getProviders());
    Assert.assertEquals(5, graph.getNodes().filter(loopPhis).count());
    new CanonicalizerPhase().apply(graph, context);
    Assert.assertEquals(2, graph.getNodes().filter(loopPhis).count());
    test("loopSnippet");
}
Also used : LoopBeginNode(org.graalvm.compiler.nodes.LoopBeginNode) NodePredicate(org.graalvm.compiler.graph.iterators.NodePredicate) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) BeforeClass(org.junit.BeforeClass) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) Test(org.junit.Test) PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) GraalCompilerTest(org.graalvm.compiler.core.test.GraalCompilerTest) Assert(org.junit.Assert) AllowAssumptions(org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions) PhiNode(org.graalvm.compiler.nodes.PhiNode) PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) LoopBeginNode(org.graalvm.compiler.nodes.LoopBeginNode) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) PhiNode(org.graalvm.compiler.nodes.PhiNode) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) NodePredicate(org.graalvm.compiler.graph.iterators.NodePredicate) Test(org.junit.Test) GraalCompilerTest(org.graalvm.compiler.core.test.GraalCompilerTest)

Aggregations

PhaseContext (org.graalvm.compiler.phases.tiers.PhaseContext)60 CanonicalizerPhase (org.graalvm.compiler.phases.common.CanonicalizerPhase)59 StructuredGraph (org.graalvm.compiler.nodes.StructuredGraph)56 DebugContext (org.graalvm.compiler.debug.DebugContext)24 LoweringPhase (org.graalvm.compiler.phases.common.LoweringPhase)19 Test (org.junit.Test)18 HighTierContext (org.graalvm.compiler.phases.tiers.HighTierContext)8 ConditionalEliminationPhase (org.graalvm.compiler.phases.common.ConditionalEliminationPhase)7 FloatingReadPhase (org.graalvm.compiler.phases.common.FloatingReadPhase)7 GraalCompilerTest (org.graalvm.compiler.core.test.GraalCompilerTest)6 DebugDumpScope (org.graalvm.compiler.debug.DebugDumpScope)6 FrameState (org.graalvm.compiler.nodes.FrameState)6 GraphBuilderConfiguration (org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration)6 ResolvedJavaMethod (jdk.vm.ci.meta.ResolvedJavaMethod)5 Node (org.graalvm.compiler.graph.Node)5 OptionValues (org.graalvm.compiler.options.OptionValues)5 GuardLoweringPhase (org.graalvm.compiler.phases.common.GuardLoweringPhase)5 IterativeConditionalEliminationPhase (org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase)4 InliningPhase (org.graalvm.compiler.phases.common.inlining.InliningPhase)4 PartialEscapePhase (org.graalvm.compiler.virtual.phases.ea.PartialEscapePhase)4