Examples with ConstantNode org.graalvm.compiler.nodes.ConstantNode used on opensource projects

Example 76 with ConstantNode

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

the class LoadVMThreadLocalNode method lower.

@Override
public void lower(LoweringTool tool) {
    assert threadLocalInfo.offset >= 0;
    ConstantNode offset = ConstantNode.forIntegerKind(FrameAccess.getWordKind(), threadLocalInfo.offset, holder.graph());
    AddressNode address = graph().unique(new OffsetAddressNode(holder, offset));
    FixedAccessNode read;
    if (SubstrateOptions.MultiThreaded.getValue()) {
        read = new CInterfaceReadNode(address, threadLocalInfo.locationIdentity, stamp(NodeView.DEFAULT), barrierType, threadLocalInfo.name);
    } else {
        read = new JavaReadNode(threadLocalInfo.storageKind, address, threadLocalInfo.locationIdentity, barrierType, true);
    }
    read = graph().add(read);
    graph().replaceFixedWithFixed(this, read);
    if (!SubstrateOptions.MultiThreaded.getValue()) {
        tool.getLowerer().lower(read, tool);
    }
}

Example 77 with ConstantNode

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

the class CEntryPointSupport method registerEntryPointContextPlugins.

private static void registerEntryPointContextPlugins(InvocationPlugins plugins) {
    Registration r = new Registration(plugins, CEntryPointContext.class);
    r.register0("getCurrentIsolateThread", new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
            if (SubstrateOptions.MultiThreaded.getValue()) {
                b.addPush(JavaKind.Object, ReadRegisterFixedNode.forIsolateThread());
            } else if (SubstrateOptions.SpawnIsolates.getValue()) {
                ValueNode heapBase = b.add(ReadRegisterFixedNode.forHeapBase());
                ConstantNode addend = b.add(ConstantNode.forIntegerKind(FrameAccess.getWordKind(), CEntryPointSetup.SINGLE_ISOLATE_TO_SINGLE_THREAD_ADDEND));
                b.addPush(JavaKind.Object, new AddNode(heapBase, addend));
            } else {
                b.addPush(JavaKind.Object, ConstantNode.forIntegerKind(FrameAccess.getWordKind(), CEntryPointSetup.SINGLE_THREAD_SENTINEL.rawValue()));
            }
            return true;
        }
    });
    r.register0("getCurrentIsolate", new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
            if (SubstrateOptions.SpawnIsolates.getValue()) {
                b.addPush(JavaKind.Object, ReadRegisterFixedNode.forHeapBase());
            } else {
                b.addPush(JavaKind.Object, ConstantNode.forIntegerKind(FrameAccess.getWordKind(), CEntryPointSetup.SINGLE_ISOLATE_SENTINEL.rawValue()));
            }
            return true;
        }
    });
    r.register1("isCurrentThreadAttachedTo", Isolate.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode isolate) {
            b.addPush(JavaKind.Boolean, new CEntryPointUtilityNode(UtilityAction.IsAttached, isolate));
            return true;
        }
    });
}

Example 78 with ConstantNode

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

the class SPARCIntegerCompareCanonicalizationPhase method min32.

private static void min32(CompareNode enode, ValueNode v) {
    Stamp s = v.stamp(NodeView.DEFAULT);
    if (s instanceof IntegerStamp) {
        int bits = ((IntegerStamp) s).getBits();
        if (bits != 32 && bits != 64) {
            if (bits <= 32) {
                bits = 32;
            } else {
                bits = 64;
            }
            ValueNode replacement;
            if (v instanceof ConstantNode) {
                JavaConstant newConst;
                if (bits == 32) {
                    newConst = JavaConstant.forInt(v.asJavaConstant().asInt());
                } else if (bits == 64) {
                    newConst = JavaConstant.forLong(v.asJavaConstant().asLong());
                } else {
                    throw GraalError.shouldNotReachHere();
                }
                long mask = CodeUtil.mask(bits);
                replacement = v.graph().addOrUnique(new ConstantNode(newConst, IntegerStamp.stampForMask(bits, newConst.asLong() & mask, newConst.asLong() & mask)));
            } else {
                replacement = v.graph().addOrUnique(new SignExtendNode(v, bits));
            }
            v.replaceAtUsages(replacement, x -> x == enode);
        }
    }
}

Example 79 with ConstantNode

use of org.graalvm.compiler.nodes.ConstantNode 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);
    }
}

Example 80 with ConstantNode

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

the class HotSpotInvokeDynamicPlugin method genAppendixNode.

@Override
public ValueNode genAppendixNode(GraphBuilderContext builder, int index, int opcode, JavaConstant appendixConstant, FrameState frameState) {
    JavaConstant appendix = appendixConstant;
    assert supportsDynamicInvoke(builder, index, opcode);
    HotSpotResolvedJavaMethod method = (HotSpotResolvedJavaMethod) builder.getMethod();
    HotSpotResolvedObjectType methodHolder = method.getDeclaringClass();
    if (dynoStore != null) {
        appendix = dynoStore.recordAppendix(opcode, methodHolder, index, appendix);
    }
    ConstantNode appendixNode = ConstantNode.forConstant(appendix, builder.getMetaAccess(), builder.getGraph());
    Stamp appendixStamp = appendixNode.stamp(NodeView.DEFAULT);
    Stamp resolveStamp = treatAppendixAsConstant ? appendixStamp : appendixStamp.unrestricted();
    ResolveDynamicConstantNode resolveNode = new ResolveDynamicConstantNode(resolveStamp, appendixNode);
    ResolveDynamicConstantNode added = builder.append(resolveNode);
    assert added == resolveNode;
    added.setStateBefore(frameState);
    return resolveNode;
}