Examples with TypeReference org.graalvm.compiler.core.common.type.TypeReference used on opensource projects

Example 11 with TypeReference

use of org.graalvm.compiler.core.common.type.TypeReference in project graal by oracle.

the class JNINativeCallWrapperMethod method castObject.

private static ValueNode castObject(JNIGraphKit kit, ValueNode object, ResolvedJavaType type) {
    ValueNode casted = object;
    if (!type.isJavaLangObject()) {
        // safe cast to expected type
        TypeReference typeRef = TypeReference.createTrusted(kit.getAssumptions(), type);
        LogicNode condition = kit.append(InstanceOfNode.createAllowNull(typeRef, object, null, null));
        if (!condition.isTautology()) {
            ObjectStamp stamp = StampFactory.object(typeRef, false);
            FixedGuardNode fixedGuard = kit.append(new FixedGuardNode(condition, DeoptimizationReason.ClassCastException, DeoptimizationAction.None, false));
            casted = kit.append(PiNode.create(object, stamp, fixedGuard));
        }
    }
    return casted;
}

Example 12 with TypeReference

use of org.graalvm.compiler.core.common.type.TypeReference in project graal by oracle.

the class MethodHandleNode method getTargetInvokeNode.

/**
 * Helper function to get the {@link InvokeNode} for the targetMethod of a
 * java.lang.invoke.MemberName.
 *
 * @param adder
 * @param target the target, already loaded from the member name node
 *
 * @return invoke node for the member name target
 */
private static InvokeNode getTargetInvokeNode(GraphAdder adder, IntrinsicMethod intrinsicMethod, int bci, StampPair returnStamp, ValueNode[] originalArguments, ResolvedJavaMethod target, ResolvedJavaMethod original) {
    if (target == null) {
        return null;
    }
    // In lambda forms we erase signature types to avoid resolving issues
    // involving class loaders. When we optimize a method handle invoke
    // to a direct call we must cast the receiver and arguments to its
    // actual types.
    Signature signature = target.getSignature();
    final boolean isStatic = target.isStatic();
    final int receiverSkip = isStatic ? 0 : 1;
    Assumptions assumptions = adder.getAssumptions();
    ResolvedJavaMethod realTarget = null;
    if (target.canBeStaticallyBound()) {
        realTarget = target;
    } else {
        ResolvedJavaType targetType = target.getDeclaringClass();
        // Try to bind based on the declaredType
        AssumptionResult<ResolvedJavaMethod> concreteMethod = targetType.findUniqueConcreteMethod(target);
        if (concreteMethod == null) {
            // Try to get the most accurate receiver type
            if (intrinsicMethod == IntrinsicMethod.LINK_TO_VIRTUAL || intrinsicMethod == IntrinsicMethod.LINK_TO_INTERFACE) {
                ValueNode receiver = getReceiver(originalArguments);
                TypeReference receiverType = StampTool.typeReferenceOrNull(receiver.stamp(NodeView.DEFAULT));
                if (receiverType != null) {
                    concreteMethod = receiverType.getType().findUniqueConcreteMethod(target);
                }
            }
        }
        if (concreteMethod != null && concreteMethod.canRecordTo(assumptions)) {
            concreteMethod.recordTo(assumptions);
            realTarget = concreteMethod.getResult();
        }
    }
    if (realTarget != null) {
        // Don't mutate the passed in arguments
        ValueNode[] arguments = originalArguments.clone();
        // Cast receiver to its type.
        if (!isStatic) {
            JavaType receiverType = target.getDeclaringClass();
            maybeCastArgument(adder, arguments, 0, receiverType);
        }
        // Cast reference arguments to its type.
        for (int index = 0; index < signature.getParameterCount(false); index++) {
            JavaType parameterType = signature.getParameterType(index, target.getDeclaringClass());
            maybeCastArgument(adder, arguments, receiverSkip + index, parameterType);
        }
        InvokeNode invoke = createTargetInvokeNode(assumptions, intrinsicMethod, realTarget, original, bci, returnStamp, arguments);
        assert invoke != null : "graph has been modified so this must result an invoke";
        return invoke;
    }
    return null;
}

Example 13 with TypeReference

use of org.graalvm.compiler.core.common.type.TypeReference 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 14 with TypeReference

use of org.graalvm.compiler.core.common.type.TypeReference in project graal by oracle.

the class BytecodeParser method genInstanceOf.

private void genInstanceOf() {
    int cpi = getStream().readCPI();
    JavaType type = lookupType(cpi, INSTANCEOF);
    ValueNode object = frameState.pop(JavaKind.Object);
    if (!(type instanceof ResolvedJavaType)) {
        handleUnresolvedInstanceOf(type, object);
        return;
    }
    TypeReference resolvedType = TypeReference.createTrusted(graph.getAssumptions(), (ResolvedJavaType) type);
    JavaTypeProfile profile = getProfileForTypeCheck(resolvedType);
    for (NodePlugin plugin : graphBuilderConfig.getPlugins().getNodePlugins()) {
        if (plugin.handleInstanceOf(this, object, resolvedType.getType(), profile)) {
            return;
        }
    }
    LogicNode instanceOfNode = null;
    if (profile != null) {
        if (profile.getNullSeen().isFalse()) {
            object = nullCheckedValue(object);
            ResolvedJavaType singleType = profile.asSingleType();
            if (singleType != null) {
                LogicNode typeCheck = append(createInstanceOf(TypeReference.createExactTrusted(singleType), object, profile));
                if (!typeCheck.isTautology()) {
                    append(new FixedGuardNode(typeCheck, DeoptimizationReason.TypeCheckedInliningViolated, DeoptimizationAction.InvalidateReprofile));
                }
                instanceOfNode = LogicConstantNode.forBoolean(resolvedType.getType().isAssignableFrom(singleType));
            }
        }
    }
    if (instanceOfNode == null) {
        instanceOfNode = createInstanceOf(resolvedType, object, null);
    }
    LogicNode logicNode = genUnique(instanceOfNode);
    int next = getStream().nextBCI();
    int value = getStream().readUByte(next);
    if (next <= currentBlock.endBci && (value == Bytecodes.IFEQ || value == Bytecodes.IFNE)) {
        getStream().next();
        BciBlock firstSucc = currentBlock.getSuccessor(0);
        BciBlock secondSucc = currentBlock.getSuccessor(1);
        if (firstSucc != secondSucc) {
            boolean negate = value != Bytecodes.IFNE;
            if (negate) {
                BciBlock tmp = firstSucc;
                firstSucc = secondSucc;
                secondSucc = tmp;
            }
            genIf(instanceOfNode, firstSucc, secondSucc, getProfileProbability(negate));
        } else {
            appendGoto(firstSucc);
        }
    } else {
        // Most frequent for value is IRETURN, followed by ISTORE.
        frameState.push(JavaKind.Int, append(genConditional(logicNode)));
    }
}

Example 15 with TypeReference

use of org.graalvm.compiler.core.common.type.TypeReference in project graal by oracle.

the class BytecodeParser method genCheckCast.

private void genCheckCast() {
    int cpi = getStream().readCPI();
    JavaType type = lookupType(cpi, CHECKCAST);
    ValueNode object = frameState.pop(JavaKind.Object);
    if (!(type instanceof ResolvedJavaType)) {
        handleUnresolvedCheckCast(type, object);
        return;
    }
    TypeReference checkedType = TypeReference.createTrusted(graph.getAssumptions(), (ResolvedJavaType) type);
    JavaTypeProfile profile = getProfileForTypeCheck(checkedType);
    for (NodePlugin plugin : graphBuilderConfig.getPlugins().getNodePlugins()) {
        if (plugin.handleCheckCast(this, object, checkedType.getType(), profile)) {
            return;
        }
    }
    ValueNode castNode = null;
    if (profile != null) {
        if (profile.getNullSeen().isFalse()) {
            object = nullCheckedValue(object);
            ResolvedJavaType singleType = profile.asSingleType();
            if (singleType != null && checkedType.getType().isAssignableFrom(singleType)) {
                LogicNode typeCheck = append(createInstanceOf(TypeReference.createExactTrusted(singleType), object, profile));
                if (typeCheck.isTautology()) {
                    castNode = object;
                } else {
                    FixedGuardNode fixedGuard = append(new FixedGuardNode(typeCheck, DeoptimizationReason.TypeCheckedInliningViolated, DeoptimizationAction.InvalidateReprofile, false));
                    castNode = append(PiNode.create(object, StampFactory.objectNonNull(TypeReference.createExactTrusted(singleType)), fixedGuard));
                }
            }
        }
    }
    boolean nonNull = ((ObjectStamp) object.stamp(NodeView.DEFAULT)).nonNull();
    if (castNode == null) {
        LogicNode condition = genUnique(createInstanceOfAllowNull(checkedType, object, null));
        if (condition.isTautology()) {
            castNode = object;
        } else {
            FixedGuardNode fixedGuard = append(new FixedGuardNode(condition, DeoptimizationReason.ClassCastException, DeoptimizationAction.InvalidateReprofile, false));
            castNode = append(PiNode.create(object, StampFactory.object(checkedType, nonNull), fixedGuard));
        }
    }
    frameState.push(JavaKind.Object, castNode);
}