Search in sources :

Example 6 with InstanceOfNode

use of org.graalvm.compiler.nodes.java.InstanceOfNode in project graal by oracle.

the class DefaultHotSpotLoweringProvider method lower.

@Override
public void lower(Node n, LoweringTool tool) {
    StructuredGraph graph = (StructuredGraph) n.graph();
    if (n instanceof Invoke) {
        lowerInvoke((Invoke) n, tool, graph);
    } else if (n instanceof LoadMethodNode) {
        lowerLoadMethodNode((LoadMethodNode) n);
    } else if (n instanceof GetClassNode) {
        lowerGetClassNode((GetClassNode) n, tool, graph);
    } else if (n instanceof StoreHubNode) {
        lowerStoreHubNode((StoreHubNode) n, graph);
    } else if (n instanceof OSRStartNode) {
        lowerOSRStartNode((OSRStartNode) n);
    } else if (n instanceof BytecodeExceptionNode) {
        lowerBytecodeExceptionNode((BytecodeExceptionNode) n);
    } else if (n instanceof InstanceOfNode) {
        InstanceOfNode instanceOfNode = (InstanceOfNode) n;
        if (graph.getGuardsStage().areDeoptsFixed()) {
            instanceofSnippets.lower(instanceOfNode, tool);
        } else {
            if (instanceOfNode.allowsNull()) {
                ValueNode object = instanceOfNode.getValue();
                LogicNode newTypeCheck = graph.addOrUniqueWithInputs(InstanceOfNode.create(instanceOfNode.type(), object, instanceOfNode.profile(), instanceOfNode.getAnchor()));
                LogicNode newNode = LogicNode.or(graph.unique(IsNullNode.create(object)), newTypeCheck, GraalDirectives.UNLIKELY_PROBABILITY);
                instanceOfNode.replaceAndDelete(newNode);
            }
        }
    } else if (n instanceof InstanceOfDynamicNode) {
        InstanceOfDynamicNode instanceOfDynamicNode = (InstanceOfDynamicNode) n;
        if (graph.getGuardsStage().areDeoptsFixed()) {
            instanceofSnippets.lower(instanceOfDynamicNode, tool);
        } else {
            ValueNode mirror = instanceOfDynamicNode.getMirrorOrHub();
            if (mirror.stamp(NodeView.DEFAULT).getStackKind() == JavaKind.Object) {
                ClassGetHubNode classGetHub = graph.unique(new ClassGetHubNode(mirror));
                instanceOfDynamicNode.setMirror(classGetHub);
            }
            if (instanceOfDynamicNode.allowsNull()) {
                ValueNode object = instanceOfDynamicNode.getObject();
                LogicNode newTypeCheck = graph.addOrUniqueWithInputs(InstanceOfDynamicNode.create(graph.getAssumptions(), tool.getConstantReflection(), instanceOfDynamicNode.getMirrorOrHub(), object, false));
                LogicNode newNode = LogicNode.or(graph.unique(IsNullNode.create(object)), newTypeCheck, GraalDirectives.UNLIKELY_PROBABILITY);
                instanceOfDynamicNode.replaceAndDelete(newNode);
            }
        }
    } else if (n instanceof ClassIsAssignableFromNode) {
        if (graph.getGuardsStage().areDeoptsFixed()) {
            instanceofSnippets.lower((ClassIsAssignableFromNode) n, tool);
        }
    } else if (n instanceof NewInstanceNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            newObjectSnippets.lower((NewInstanceNode) n, registers, tool);
        }
    } else if (n instanceof DynamicNewInstanceNode) {
        DynamicNewInstanceNode newInstanceNode = (DynamicNewInstanceNode) n;
        if (newInstanceNode.getClassClass() == null) {
            JavaConstant classClassMirror = constantReflection.forObject(Class.class);
            ConstantNode classClass = ConstantNode.forConstant(classClassMirror, tool.getMetaAccess(), graph);
            newInstanceNode.setClassClass(classClass);
        }
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            newObjectSnippets.lower(newInstanceNode, registers, tool);
        }
    } else if (n instanceof NewArrayNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            newObjectSnippets.lower((NewArrayNode) n, registers, tool);
        }
    } else if (n instanceof DynamicNewArrayNode) {
        DynamicNewArrayNode dynamicNewArrayNode = (DynamicNewArrayNode) n;
        if (dynamicNewArrayNode.getVoidClass() == null) {
            JavaConstant voidClassMirror = constantReflection.forObject(void.class);
            ConstantNode voidClass = ConstantNode.forConstant(voidClassMirror, tool.getMetaAccess(), graph);
            dynamicNewArrayNode.setVoidClass(voidClass);
        }
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            newObjectSnippets.lower(dynamicNewArrayNode, registers, tool);
        }
    } else if (n instanceof VerifyHeapNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            newObjectSnippets.lower((VerifyHeapNode) n, registers, tool);
        }
    } else if (n instanceof RawMonitorEnterNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            monitorSnippets.lower((RawMonitorEnterNode) n, registers, tool);
        }
    } else if (n instanceof MonitorExitNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            monitorSnippets.lower((MonitorExitNode) n, registers, tool);
        }
    } else if (n instanceof ArrayCopyNode) {
        arraycopySnippets.lower((ArrayCopyNode) n, tool);
    } else if (n instanceof ArrayCopyWithSlowPathNode) {
        arraycopySnippets.lower((ArrayCopyWithSlowPathNode) n, tool);
    } else if (n instanceof G1PreWriteBarrier) {
        writeBarrierSnippets.lower((G1PreWriteBarrier) n, registers, tool);
    } else if (n instanceof G1PostWriteBarrier) {
        writeBarrierSnippets.lower((G1PostWriteBarrier) n, registers, tool);
    } else if (n instanceof G1ReferentFieldReadBarrier) {
        writeBarrierSnippets.lower((G1ReferentFieldReadBarrier) n, registers, tool);
    } else if (n instanceof SerialWriteBarrier) {
        writeBarrierSnippets.lower((SerialWriteBarrier) n, tool);
    } else if (n instanceof SerialArrayRangeWriteBarrier) {
        writeBarrierSnippets.lower((SerialArrayRangeWriteBarrier) n, tool);
    } else if (n instanceof G1ArrayRangePreWriteBarrier) {
        writeBarrierSnippets.lower((G1ArrayRangePreWriteBarrier) n, registers, tool);
    } else if (n instanceof G1ArrayRangePostWriteBarrier) {
        writeBarrierSnippets.lower((G1ArrayRangePostWriteBarrier) n, registers, tool);
    } else if (n instanceof NewMultiArrayNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            newObjectSnippets.lower((NewMultiArrayNode) n, tool);
        }
    } else if (n instanceof LoadExceptionObjectNode) {
        exceptionObjectSnippets.lower((LoadExceptionObjectNode) n, registers, tool);
    } else if (n instanceof AssertionNode) {
        assertionSnippets.lower((AssertionNode) n, tool);
    } else if (n instanceof StringToBytesNode) {
        if (graph.getGuardsStage().areDeoptsFixed()) {
            stringToBytesSnippets.lower((StringToBytesNode) n, tool);
        }
    } else if (n instanceof IntegerDivRemNode) {
    // Nothing to do for division nodes. The HotSpot signal handler catches divisions by
    // zero and the MIN_VALUE / -1 cases.
    } else if (n instanceof AbstractDeoptimizeNode || n instanceof UnwindNode || n instanceof RemNode || n instanceof SafepointNode) {
    /* No lowering, we generate LIR directly for these nodes. */
    } else if (n instanceof ClassGetHubNode) {
        lowerClassGetHubNode((ClassGetHubNode) n, tool);
    } else if (n instanceof HubGetClassNode) {
        lowerHubGetClassNode((HubGetClassNode) n, tool);
    } else if (n instanceof KlassLayoutHelperNode) {
        lowerKlassLayoutHelperNode((KlassLayoutHelperNode) n, tool);
    } else if (n instanceof ComputeObjectAddressNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            lowerComputeObjectAddressNode((ComputeObjectAddressNode) n);
        }
    } else if (n instanceof IdentityHashCodeNode) {
        hashCodeSnippets.lower((IdentityHashCodeNode) n, tool);
    } else if (n instanceof ResolveDynamicConstantNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            resolveConstantSnippets.lower((ResolveDynamicConstantNode) n, tool);
        }
    } else if (n instanceof ResolveConstantNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            resolveConstantSnippets.lower((ResolveConstantNode) n, tool);
        }
    } else if (n instanceof ResolveMethodAndLoadCountersNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            resolveConstantSnippets.lower((ResolveMethodAndLoadCountersNode) n, tool);
        }
    } else if (n instanceof InitializeKlassNode) {
        if (graph.getGuardsStage().areFrameStatesAtDeopts()) {
            resolveConstantSnippets.lower((InitializeKlassNode) n, tool);
        }
    } else if (n instanceof ProfileNode) {
        profileSnippets.lower((ProfileNode) n, tool);
    } else {
        super.lower(n, tool);
    }
}
Also used : ClassIsAssignableFromNode(org.graalvm.compiler.nodes.java.ClassIsAssignableFromNode) SafepointNode(org.graalvm.compiler.nodes.SafepointNode) HubGetClassNode(org.graalvm.compiler.hotspot.replacements.HubGetClassNode) BytecodeExceptionNode(org.graalvm.compiler.nodes.extended.BytecodeExceptionNode) MonitorExitNode(org.graalvm.compiler.nodes.java.MonitorExitNode) ResolveConstantNode(org.graalvm.compiler.hotspot.nodes.aot.ResolveConstantNode) ConstantNode(org.graalvm.compiler.nodes.ConstantNode) ResolveDynamicConstantNode(org.graalvm.compiler.hotspot.nodes.aot.ResolveDynamicConstantNode) ResolveConstantNode(org.graalvm.compiler.hotspot.nodes.aot.ResolveConstantNode) KlassLayoutHelperNode(org.graalvm.compiler.hotspot.replacements.KlassLayoutHelperNode) ComputeObjectAddressNode(org.graalvm.compiler.hotspot.nodes.ComputeObjectAddressNode) ResolveDynamicConstantNode(org.graalvm.compiler.hotspot.nodes.aot.ResolveDynamicConstantNode) IntegerDivRemNode(org.graalvm.compiler.nodes.calc.IntegerDivRemNode) RemNode(org.graalvm.compiler.nodes.calc.RemNode) DynamicNewArrayNode(org.graalvm.compiler.nodes.java.DynamicNewArrayNode) NewArrayNode(org.graalvm.compiler.nodes.java.NewArrayNode) HubGetClassNode(org.graalvm.compiler.hotspot.replacements.HubGetClassNode) GetClassNode(org.graalvm.compiler.nodes.extended.GetClassNode) SerialWriteBarrier(org.graalvm.compiler.hotspot.nodes.SerialWriteBarrier) LoadMethodNode(org.graalvm.compiler.nodes.extended.LoadMethodNode) AbstractDeoptimizeNode(org.graalvm.compiler.nodes.AbstractDeoptimizeNode) InstanceOfDynamicNode(org.graalvm.compiler.nodes.java.InstanceOfDynamicNode) OSRStartNode(org.graalvm.compiler.nodes.extended.OSRStartNode) ResolveMethodAndLoadCountersNode(org.graalvm.compiler.hotspot.nodes.aot.ResolveMethodAndLoadCountersNode) ValueNode(org.graalvm.compiler.nodes.ValueNode) LogicNode(org.graalvm.compiler.nodes.LogicNode) G1PostWriteBarrier(org.graalvm.compiler.hotspot.nodes.G1PostWriteBarrier) InstanceOfNode(org.graalvm.compiler.nodes.java.InstanceOfNode) NewInstanceNode(org.graalvm.compiler.nodes.java.NewInstanceNode) DynamicNewInstanceNode(org.graalvm.compiler.nodes.java.DynamicNewInstanceNode) StoreHubNode(org.graalvm.compiler.nodes.extended.StoreHubNode) G1ArrayRangePreWriteBarrier(org.graalvm.compiler.hotspot.nodes.G1ArrayRangePreWriteBarrier) JavaConstant(jdk.vm.ci.meta.JavaConstant) Invoke(org.graalvm.compiler.nodes.Invoke) AssertionNode(org.graalvm.compiler.replacements.nodes.AssertionNode) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) ProfileNode(org.graalvm.compiler.hotspot.nodes.profiling.ProfileNode) StringToBytesNode(org.graalvm.compiler.nodes.debug.StringToBytesNode) ClassGetHubNode(org.graalvm.compiler.hotspot.replacements.ClassGetHubNode) UnwindNode(org.graalvm.compiler.nodes.UnwindNode) SerialArrayRangeWriteBarrier(org.graalvm.compiler.hotspot.nodes.SerialArrayRangeWriteBarrier) IntegerDivRemNode(org.graalvm.compiler.nodes.calc.IntegerDivRemNode) ArrayCopyNode(org.graalvm.compiler.hotspot.replacements.arraycopy.ArrayCopyNode) G1ArrayRangePostWriteBarrier(org.graalvm.compiler.hotspot.nodes.G1ArrayRangePostWriteBarrier) DynamicNewInstanceNode(org.graalvm.compiler.nodes.java.DynamicNewInstanceNode) G1PreWriteBarrier(org.graalvm.compiler.hotspot.nodes.G1PreWriteBarrier) RawMonitorEnterNode(org.graalvm.compiler.nodes.java.RawMonitorEnterNode) G1ReferentFieldReadBarrier(org.graalvm.compiler.hotspot.nodes.G1ReferentFieldReadBarrier) VerifyHeapNode(org.graalvm.compiler.nodes.debug.VerifyHeapNode) LoadExceptionObjectNode(org.graalvm.compiler.nodes.java.LoadExceptionObjectNode) ArrayCopyWithSlowPathNode(org.graalvm.compiler.hotspot.replacements.arraycopy.ArrayCopyWithSlowPathNode) IdentityHashCodeNode(org.graalvm.compiler.hotspot.replacements.IdentityHashCodeNode) NewMultiArrayNode(org.graalvm.compiler.nodes.java.NewMultiArrayNode) InitializeKlassNode(org.graalvm.compiler.hotspot.nodes.aot.InitializeKlassNode) DynamicNewArrayNode(org.graalvm.compiler.nodes.java.DynamicNewArrayNode)

Example 7 with InstanceOfNode

use of org.graalvm.compiler.nodes.java.InstanceOfNode in project graal by oracle.

the class VerifyInstanceOfUsage method verify.

@Override
protected boolean verify(StructuredGraph graph, PhaseContext context) {
    final ResolvedJavaType[] bailoutType = new ResolvedJavaType[FORBIDDEN_INSTANCE_OF_CHECKS.length];
    for (int i = 0; i < FORBIDDEN_INSTANCE_OF_CHECKS.length; i++) {
        bailoutType[i] = context.getMetaAccess().lookupJavaType(FORBIDDEN_INSTANCE_OF_CHECKS[i]);
    }
    ResolvedJavaMethod method = graph.method();
    ResolvedJavaType declaringClass = method.getDeclaringClass();
    if (!isTrustedInterface(declaringClass, context.getMetaAccess())) {
        for (InstanceOfNode io : graph.getNodes().filter(InstanceOfNode.class)) {
            ResolvedJavaType type = io.type().getType();
            for (ResolvedJavaType forbiddenType : bailoutType) {
                if (forbiddenType.equals(type)) {
                    String name = forbiddenType.getUnqualifiedName();
                    // strip outer class
                    ResolvedJavaType enclosingType = forbiddenType.getEnclosingType();
                    if (enclosingType != null) {
                        name = name.substring(enclosingType.getUnqualifiedName().length() + "$".length());
                    }
                    throw new VerificationError("Using `op instanceof %s` is not allowed. Use `%s.is%s(op)` instead. (in %s)", name, name, name, method.format("%H.%n(%p)"));
                }
            }
        }
    }
    return true;
}
Also used : ResolvedJavaType(jdk.vm.ci.meta.ResolvedJavaType) ResolvedJavaMethod(jdk.vm.ci.meta.ResolvedJavaMethod) InstanceOfNode(org.graalvm.compiler.nodes.java.InstanceOfNode)

Aggregations

InstanceOfNode (org.graalvm.compiler.nodes.java.InstanceOfNode)7 ValueNode (org.graalvm.compiler.nodes.ValueNode)6 Node (org.graalvm.compiler.graph.Node)5 ConstantNode (org.graalvm.compiler.nodes.ConstantNode)5 FixedGuardNode (org.graalvm.compiler.nodes.FixedGuardNode)5 LogicNode (org.graalvm.compiler.nodes.LogicNode)4 ParameterNode (org.graalvm.compiler.nodes.ParameterNode)4 PhiNode (org.graalvm.compiler.nodes.PhiNode)4 LoadFieldNode (org.graalvm.compiler.nodes.java.LoadFieldNode)4 IfNode (org.graalvm.compiler.nodes.IfNode)3 ReturnNode (org.graalvm.compiler.nodes.ReturnNode)3 StructuredGraph (org.graalvm.compiler.nodes.StructuredGraph)3 IsNullNode (org.graalvm.compiler.nodes.calc.IsNullNode)3 BytecodeExceptionNode (org.graalvm.compiler.nodes.extended.BytecodeExceptionNode)3 GetClassNode (org.graalvm.compiler.nodes.extended.GetClassNode)3 AnalysisType (com.oracle.graal.pointsto.meta.AnalysisType)2 AnalysisArraysCopyOfNode (com.oracle.graal.pointsto.nodes.AnalysisArraysCopyOfNode)2 AnalysisUnsafePartitionLoadNode (com.oracle.graal.pointsto.nodes.AnalysisUnsafePartitionLoadNode)2 AnalysisUnsafePartitionStoreNode (com.oracle.graal.pointsto.nodes.AnalysisUnsafePartitionStoreNode)2 ConvertUnknownValueNode (com.oracle.graal.pointsto.nodes.ConvertUnknownValueNode)2