Examples with SubstrateArraysCopyOfNode com.oracle.svm.core.graal.jdk.SubstrateArraysCopyOfNode used on opensource projects

Example 1 with SubstrateArraysCopyOfNode

use of com.oracle.svm.core.graal.jdk.SubstrateArraysCopyOfNode in project graal by oracle.

the class SubstrateGraphBuilderPlugins method registerArraysPlugins.

private static void registerArraysPlugins(InvocationPlugins plugins, boolean analysis) {
    Registration r = new Registration(plugins, Arrays.class).setAllowOverwrite(true);
    r.register2("copyOf", Object[].class, int.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode original, ValueNode newLength) {
            if (analysis) {
                b.addPush(JavaKind.Object, new AnalysisArraysCopyOfNode(b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp(), original, newLength));
            } else {
                /* Get the class from the original node. */
                GetClassNode originalArrayType = b.add(new GetClassNode(original.stamp(NodeView.DEFAULT), b.nullCheckedValue(original)));
                ValueNode originalLength = b.add(ArrayLengthNode.create(original, b.getConstantReflection()));
                Stamp stamp = b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp().join(original.stamp(NodeView.DEFAULT));
                b.addPush(JavaKind.Object, new SubstrateArraysCopyOfNode(stamp, original, originalLength, newLength, originalArrayType));
            }
            return true;
        }
    });
    r.register3("copyOf", Object[].class, int.class, Class.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode original, ValueNode newLength, ValueNode newArrayType) {
            if (analysis) {
                /*
                     * If the new array type comes from a GetClassNode or is a constant we can infer
                     * the concrete type of the new array, otherwise we conservatively assume that
                     * the new array can have any of the instantiated array types.
                     */
                b.addPush(JavaKind.Object, new AnalysisArraysCopyOfNode(b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp(), original, newLength, newArrayType));
            } else {
                Stamp stamp;
                if (newArrayType.isConstant()) {
                    ResolvedJavaType newType = b.getConstantReflection().asJavaType(newArrayType.asConstant());
                    stamp = StampFactory.objectNonNull(TypeReference.createExactTrusted(newType));
                } else {
                    stamp = b.getInvokeReturnStamp(b.getAssumptions()).getTrustedStamp();
                }
                ValueNode originalLength = b.add(ArrayLengthNode.create(original, b.getConstantReflection()));
                b.addPush(JavaKind.Object, new SubstrateArraysCopyOfNode(stamp, original, originalLength, newLength, newArrayType));
            }
            return true;
        }
    });
}