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

Example 61 with ConstantNode

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

the class AMD64AddressNode method canonicalizeIndex.

public void canonicalizeIndex(SimplifierTool tool) {
    if (index instanceof AddNode && ((IntegerStamp) index.stamp(NodeView.DEFAULT)).getBits() == 64) {
        AddNode add = (AddNode) index;
        ValueNode valX = add.getX();
        if (valX instanceof PhiNode) {
            PhiNode phi = (PhiNode) valX;
            if (phi.merge() instanceof LoopBeginNode) {
                LoopBeginNode loopNode = (LoopBeginNode) phi.merge();
                if (!loopNode.isSimpleLoop()) {
                    ValueNode valY = add.getY();
                    if (valY instanceof ConstantNode) {
                        int addBy = valY.asJavaConstant().asInt();
                        displacement = displacement + scale.value * addBy;
                        replaceFirstInput(index, phi);
                        tool.addToWorkList(index);
                    }
                }
            }
        }
    }
}

Example 62 with ConstantNode

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

the class InstrumentPhase method insertCounter.

protected static void insertCounter(StructuredGraph graph, PhaseContext context, JavaConstant tableConstant, FixedWithNextNode targetNode, int slotIndex) {
    assert (tableConstant != null);
    TypeReference typeRef = TypeReference.createExactTrusted(context.getMetaAccess().lookupJavaType(tableConstant));
    ConstantNode table = graph.unique(new ConstantNode(tableConstant, StampFactory.object(typeRef, true)));
    ConstantNode rawIndex = graph.unique(ConstantNode.forInt(slotIndex));
    LoadIndexedNode load = graph.add(new LoadIndexedNode(null, table, rawIndex, JavaKind.Long));
    ConstantNode one = graph.unique(ConstantNode.forLong(1L));
    ValueNode add = graph.unique(new AddNode(load, one));
    StoreIndexedNode store = graph.add(new StoreIndexedNode(table, rawIndex, JavaKind.Long, add));
    graph.addAfterFixed(targetNode, load);
    graph.addAfterFixed(load, store);
}

Example 63 with ConstantNode

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

the class CEntryPointCallStubMethod method adaptReturnValue.

private ValueNode adaptReturnValue(ResolvedJavaMethod method, HostedProviders providers, Purpose purpose, UniverseMetaAccess metaAccess, NativeLibraries nativeLibraries, HostedGraphKit kit, ValueNode invokeValue) {
    ValueNode returnValue = invokeValue;
    if (returnValue.getStackKind().isPrimitive()) {
        return returnValue;
    }
    JavaType returnType = method.getSignature().getReturnType(null);
    ElementInfo typeInfo = nativeLibraries.findElementInfo(returnType);
    if (typeInfo instanceof EnumInfo) {
        UserError.guarantee(typeInfo.getChildren().stream().anyMatch(EnumValueInfo.class::isInstance), "Enum class " + returnType.toJavaName() + " needs a method that is annotated with @" + CEnumValue.class + " because it is used as the return type of an entry point method: " + targetMethod.format("%H.%n(%p)"));
        IsNullNode isNull = kit.unique(new IsNullNode(returnValue));
        kit.startIf(isNull, BranchProbabilityNode.VERY_SLOW_PATH_PROBABILITY);
        kit.thenPart();
        ResolvedJavaType enumExceptionType = metaAccess.lookupJavaType(RuntimeException.class);
        NewInstanceNode enumException = kit.append(new NewInstanceNode(enumExceptionType, true));
        Iterator<ResolvedJavaMethod> enumExceptionCtor = Arrays.stream(enumExceptionType.getDeclaredConstructors()).filter(c -> c.getSignature().getParameterCount(false) == 1 && c.getSignature().getParameterType(0, null).equals(metaAccess.lookupJavaType(String.class))).iterator();
        ConstantNode enumExceptionMessage = kit.createConstant(kit.getConstantReflection().forString("null return value cannot be converted to a C enum value"), JavaKind.Object);
        kit.createJavaCallWithExceptionAndUnwind(InvokeKind.Special, enumExceptionCtor.next(), enumException, enumExceptionMessage);
        assert !enumExceptionCtor.hasNext();
        kit.append(new CEntryPointLeaveNode(LeaveAction.ExceptionAbort, enumException));
        kit.append(new DeadEndNode());
        kit.endIf();
        // Always return enum values as a signed word because it should never be a problem if
        // the caller expects a narrower integer type and the various checks already handle
        // replacements with word types
        CInterfaceEnumTool tool = new CInterfaceEnumTool(providers.getMetaAccess(), providers.getSnippetReflection());
        JavaKind cEnumReturnType = providers.getWordTypes().getWordKind();
        assert !cEnumReturnType.isUnsigned() : "requires correct representation of signed values";
        returnValue = tool.createEnumValueInvoke(kit, (EnumInfo) typeInfo, cEnumReturnType, returnValue);
    } else if (purpose != Purpose.ANALYSIS) {
        // for analysis test cases: abort only during compilation
        throw UserError.abort("Entry point method return types are restricted to primitive types, word types and enumerations (@" + CEnum.class.getSimpleName() + "): " + targetMethod.format("%H.%n(%p)"));
    }
    return returnValue;
}

Example 64 with ConstantNode

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

the class CFunctionCallStubMethod method adaptSignatureAndConvertArguments.

private static Signature adaptSignatureAndConvertArguments(ResolvedJavaMethod method, HostedProviders providers, NativeLibraries nativeLibraries, HostedGraphKit kit, Signature signature, List<ValueNode> arguments) {
    MetaAccessProvider metaAccess = providers.getMetaAccess();
    JavaType returnType = signature.getReturnType(null);
    JavaType[] parameterTypes = signature.toParameterTypes(null);
    for (int i = 0; i < parameterTypes.length; i++) {
        if (!isPrimitiveOrWord(providers, parameterTypes[i])) {
            ElementInfo typeInfo = nativeLibraries.findElementInfo(parameterTypes[i]);
            if (typeInfo instanceof EnumInfo) {
                UserError.guarantee(typeInfo.getChildren().stream().anyMatch(EnumValueInfo.class::isInstance), "Enum class " + returnType.toJavaName() + " needs a method that is annotated with @" + CEnumValue.class.getSimpleName() + " because it is used as a parameter of a method annotated with @" + CFunction.class.getSimpleName() + ": " + method.format("%H.%n(%p)"));
                ValueNode argumentValue = arguments.get(i);
                IsNullNode isNull = kit.unique(new IsNullNode(argumentValue));
                kit.startIf(isNull, BranchProbabilityNode.VERY_SLOW_PATH_PROBABILITY);
                kit.thenPart();
                ResolvedJavaType enumExceptionType = metaAccess.lookupJavaType(RuntimeException.class);
                NewInstanceNode enumException = kit.append(new NewInstanceNode(enumExceptionType, true));
                Iterator<ResolvedJavaMethod> enumExceptionCtor = Arrays.stream(enumExceptionType.getDeclaredConstructors()).filter(c -> c.getSignature().getParameterCount(false) == 1 && c.getSignature().getParameterType(0, null).equals(metaAccess.lookupJavaType(String.class))).iterator();
                ConstantNode enumExceptionMessage = kit.createConstant(kit.getConstantReflection().forString("null return value cannot be converted to a C enum value"), JavaKind.Object);
                kit.createJavaCallWithExceptionAndUnwind(InvokeKind.Special, enumExceptionCtor.next(), enumException, enumExceptionMessage);
                assert !enumExceptionCtor.hasNext();
                kit.append(new UnwindNode(enumException));
                kit.endIf();
                CInterfaceEnumTool tool = new CInterfaceEnumTool(metaAccess, providers.getSnippetReflection());
                argumentValue = tool.createEnumValueInvoke(kit, (EnumInfo) typeInfo, cEnumKind, argumentValue);
                arguments.set(i, argumentValue);
                parameterTypes[i] = metaAccess.lookupJavaType(cEnumKind.toJavaClass());
            } else {
                throw UserError.abort("@" + CFunction.class.getSimpleName() + " parameter types are restricted to primitive types, word types and enumerations (@" + CEnum.class.getSimpleName() + "): " + method.format("%H.%n(%p)"));
            }
        }
    }
    if (!isPrimitiveOrWord(providers, returnType)) {
        // Assume enum: actual checks and conversion are in adaptReturnValue()
        returnType = providers.getWordTypes().getWordImplType();
    }
    JavaType actualReturnType = returnType;
    return new Signature() {

        @Override
        public int getParameterCount(boolean receiver) {
            return parameterTypes.length;
        }

        @Override
        public JavaType getParameterType(int index, ResolvedJavaType accessingClass) {
            return parameterTypes[index];
        }

        @Override
        public JavaType getReturnType(ResolvedJavaType accessingClass) {
            return actualReturnType;
        }
    };
}

Example 65 with ConstantNode

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

the class BytecodeParser method getJsrConstant.

private ConstantNode getJsrConstant(long bci) {
    JavaConstant nextBciConstant = new RawConstant(bci);
    Stamp nextBciStamp = StampFactory.forConstant(nextBciConstant);
    ConstantNode nextBciNode = new ConstantNode(nextBciConstant, nextBciStamp);
    return graph.unique(nextBciNode);
}