Examples with GetClassNode org.graalvm.compiler.nodes.extended.GetClassNode used on opensource projects

Example 1 with GetClassNode

use of org.graalvm.compiler.nodes.extended.GetClassNode in project graal by oracle.

the class SubstrateGraphBuilderPlugins method registerArraysPlugins.

private static void registerArraysPlugins(InvocationPlugins plugins, boolean analysis) {
    Registration r = new Registration(plugins, Arrays.class).setAllowOverwrite(true);
    r.register2("copyOf", Object[].class, int.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode original, ValueNode newLength) {
            if (analysis) {
                b.addPush(JavaKind.Object, new AnalysisArraysCopyOfNode(b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp(), original, newLength));
            } else {
                /* Get the class from the original node. */
                GetClassNode originalArrayType = b.add(new GetClassNode(original.stamp(NodeView.DEFAULT), b.nullCheckedValue(original)));
                ValueNode originalLength = b.add(ArrayLengthNode.create(original, b.getConstantReflection()));
                Stamp stamp = b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp().join(original.stamp(NodeView.DEFAULT));
                b.addPush(JavaKind.Object, new SubstrateArraysCopyOfNode(stamp, original, originalLength, newLength, originalArrayType));
            }
            return true;
        }
    });
    r.register3("copyOf", Object[].class, int.class, Class.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode original, ValueNode newLength, ValueNode newArrayType) {
            if (analysis) {
                /*
                     * If the new array type comes from a GetClassNode or is a constant we can infer
                     * the concrete type of the new array, otherwise we conservatively assume that
                     * the new array can have any of the instantiated array types.
                     */
                b.addPush(JavaKind.Object, new AnalysisArraysCopyOfNode(b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp(), original, newLength, newArrayType));
            } else {
                Stamp stamp;
                if (newArrayType.isConstant()) {
                    ResolvedJavaType newType = b.getConstantReflection().asJavaType(newArrayType.asConstant());
                    stamp = StampFactory.objectNonNull(TypeReference.createExactTrusted(newType));
                } else {
                    stamp = b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp();
                }
                ValueNode originalLength = b.add(ArrayLengthNode.create(original, b.getConstantReflection()));
                b.addPush(JavaKind.Object, new SubstrateArraysCopyOfNode(stamp, original, originalLength, newLength, newArrayType));
            }
            return true;
        }
    });
}

Example 2 with GetClassNode

use of org.graalvm.compiler.nodes.extended.GetClassNode in project graal by oracle.

the class StandardGraphBuilderPlugins method registerObjectPlugins.

private static void registerObjectPlugins(InvocationPlugins plugins) {
    Registration r = new Registration(plugins, Object.class);
    r.register1("<init>", Receiver.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
            /*
                 * Object.<init> is a common instrumentation point so only perform this rewrite if
                 * the current definition is the normal empty method with a single return bytecode.
                 * The finalizer registration will instead be performed by the BytecodeParser.
                 */
            if (targetMethod.getCodeSize() == 1) {
                ValueNode object = receiver.get();
                if (RegisterFinalizerNode.mayHaveFinalizer(object, b.getAssumptions())) {
                    b.add(new RegisterFinalizerNode(object));
                }
                return true;
            }
            return false;
        }
    });
    r.register1("getClass", Receiver.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
            ValueNode object = receiver.get();
            ValueNode folded = GetClassNode.tryFold(b.getMetaAccess(), b.getConstantReflection(), NodeView.DEFAULT, GraphUtil.originalValue(object));
            if (folded != null) {
                b.addPush(JavaKind.Object, folded);
            } else {
                Stamp stamp = StampFactory.objectNonNull(TypeReference.createTrusted(b.getAssumptions(), b.getMetaAccess().lookupJavaType(Class.class)));
                b.addPush(JavaKind.Object, new GetClassNode(stamp, object));
            }
            return true;
        }
    });
}

Example 3 with GetClassNode

use of org.graalvm.compiler.nodes.extended.GetClassNode in project graal by oracle.

the class PointstoGraphBuilderPlugins method registerArraysPlugins.

public static void registerArraysPlugins(InvocationPlugins plugins) {
    Registration r = new Registration(plugins, Arrays.class).setAllowOverwrite(true);
    r.register2("copyOf", Object[].class, int.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode original, ValueNode newLength) {
            b.addPush(JavaKind.Object, new AnalysisArraysCopyOfNode(b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp(), original, newLength));
            return true;
        }
    });
    r.register3("copyOf", Object[].class, int.class, Class.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode original, ValueNode newLength, ValueNode newObjectElementType) {
            if (newObjectElementType instanceof GetClassNode || newObjectElementType.isConstant()) {
                // We can infer the concrete type of the new array
                b.addPush(JavaKind.Object, new AnalysisArraysCopyOfNode(b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp(), original, newLength, newObjectElementType));
                return true;
            }
            return false;
        }
    });
}

Example 4 with GetClassNode

use of org.graalvm.compiler.nodes.extended.GetClassNode 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);
    }
}