Examples with ReadNode org.graalvm.compiler.nodes.memory.ReadNode used on opensource projects

Example 21 with ReadNode

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

the class DefaultJavaLoweringProvider method createReadArrayLength.

/**
 * Creates a read node that read the array length and is guarded by a null-check.
 *
 * The created node is placed before {@code before} in the CFG.
 */
protected ReadNode createReadArrayLength(ValueNode array, FixedNode before, LoweringTool tool) {
    StructuredGraph graph = array.graph();
    ValueNode canonicalArray = this.createNullCheckedValue(skipPiWhileNonNull(array), before, tool);
    AddressNode address = createOffsetAddress(graph, canonicalArray, arrayLengthOffset());
    ReadNode readArrayLength = graph.add(new ReadNode(address, ARRAY_LENGTH_LOCATION, StampFactory.positiveInt(), BarrierType.NONE));
    graph.addBeforeFixed(before, readArrayLength);
    return readArrayLength;
}

Example 22 with ReadNode

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

the class PEGraphDecoderTest method registerPlugins.

private static void registerPlugins(InvocationPlugins plugins) {
    Registration r = new Registration(plugins, PEGraphDecoderTest.class);
    r.register2("readInt", Object.class, long.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unused, ValueNode obj, ValueNode offset) {
            AddressNode address = b.add(new OffsetAddressNode(obj, offset));
            ReadNode read = b.addPush(JavaKind.Int, new ReadNode(address, LocationIdentity.any(), StampFactory.forKind(JavaKind.Int), BarrierType.NONE));
            read.setGuard(AbstractBeginNode.prevBegin(read));
            return true;
        }
    });
}