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

Example 21 with ValueNode

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

the class ArrayCopyCallNode method computeBase.

private ValueNode computeBase(ValueNode base, ValueNode pos) {
    FixedWithNextNode basePtr = graph().add(new GetObjectAddressNode(base));
    graph().addBeforeFixed(this, basePtr);
    Stamp wordStamp = StampFactory.forKind(runtime.getTarget().wordJavaKind);
    ValueNode wordPos = IntegerConvertNode.convert(pos, wordStamp, graph(), NodeView.DEFAULT);
    int shift = CodeUtil.log2(getArrayIndexScale(elementKind));
    ValueNode scaledIndex = graph().unique(new LeftShiftNode(wordPos, ConstantNode.forInt(shift, graph())));
    ValueNode offset = graph().unique(new AddNode(scaledIndex, ConstantNode.forIntegerStamp(wordStamp, getArrayBaseOffset(elementKind), graph())));
    return graph().unique(new OffsetAddressNode(basePtr, offset));
}

Example 22 with ValueNode

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

the class ArrayCopyCallNode method lower.

@Override
public void lower(LoweringTool tool) {
    if (graph().getGuardsStage().areFrameStatesAtDeopts()) {
        updateAlignedDisjoint();
        ForeignCallDescriptor desc = HotSpotHostForeignCallsProvider.lookupArraycopyDescriptor(elementKind, isAligned(), isDisjoint(), isUninitialized(), locationIdentity.equals(LocationIdentity.any()));
        StructuredGraph graph = graph();
        ValueNode srcAddr = computeBase(getSource(), getSourcePosition());
        ValueNode destAddr = computeBase(getDestination(), getDestinationPosition());
        ValueNode len = getLength();
        if (len.stamp(NodeView.DEFAULT).getStackKind() != JavaKind.Long) {
            len = IntegerConvertNode.convert(len, StampFactory.forKind(JavaKind.Long), graph(), NodeView.DEFAULT);
        }
        ForeignCallNode call = graph.add(new ForeignCallNode(runtime.getHostBackend().getForeignCalls(), desc, srcAddr, destAddr, len));
        call.setStateAfter(stateAfter());
        graph.replaceFixedWithFixed(this, call);
    }
}

Example 23 with ValueNode

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

the class FinalizeProfileNodesPhase method assignRandomSources.

private static void assignRandomSources(StructuredGraph graph) {
    ValueNode seed = graph.unique(new RandomSeedNode());
    ControlFlowGraph cfg = ControlFlowGraph.compute(graph, false, true, false, false);
    Map<LoopBeginNode, ValueNode> loopRandomValueCache = new HashMap<>();
    for (ProfileNode node : getProfileNodes(graph)) {
        ValueNode random;
        Block block = cfg.blockFor(node);
        Loop<Block> loop = block.getLoop();
        // pseudo-random number generator into the loop
        if (loop != null) {
            LoopBeginNode loopBegin = (LoopBeginNode) loop.getHeader().getBeginNode();
            random = loopRandomValueCache.get(loopBegin);
            if (random == null) {
                PhiNode phi = graph.addWithoutUnique(new ValuePhiNode(seed.stamp(NodeView.DEFAULT), loopBegin));
                phi.addInput(seed);
                // X_{n+1} = a*X_n + c, using glibc-like constants
                ValueNode a = ConstantNode.forInt(1103515245, graph);
                ValueNode c = ConstantNode.forInt(12345, graph);
                ValueNode next = graph.addOrUniqueWithInputs(new AddNode(c, new MulNode(phi, a)));
                for (int i = 0; i < loopBegin.getLoopEndCount(); i++) {
                    phi.addInput(next);
                }
                random = phi;
                loopRandomValueCache.put(loopBegin, random);
            }
        } else {
            // Graal doesn't compile methods with irreducible loops. So all profile nodes that
            // are not in a loop are guaranteed to be executed at most once. We feed the seed
            // value to such nodes directly.
            random = seed;
        }
        node.setRandom(random);
    }
}

Example 24 with ValueNode

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

the class ClassGetHubNode method intrinsify.

@SuppressWarnings("unused")
public static boolean intrinsify(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode clazz) {
    ValueNode clazzValue = create(clazz, b.getMetaAccess(), b.getConstantReflection(), false);
    b.push(JavaKind.Object, b.append(clazzValue));
    return true;
}

Example 25 with ValueNode

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

the class KlassLayoutHelperNode method intrinsify.

@SuppressWarnings("unused")
public static boolean intrinsify(GraphBuilderContext b, ResolvedJavaMethod method, @InjectedNodeParameter GraalHotSpotVMConfig config, ValueNode klass) {
    ValueNode valueNode = create(config, klass, b.getConstantReflection(), b.getMetaAccess());
    b.push(JavaKind.Int, b.append(valueNode));
    return true;
}