--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/extended/FixedValueAnchorNode.java 2017-02-15 17:07:18.760388860 -0800 @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package org.graalvm.compiler.nodes.extended; + +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0; + +import org.graalvm.compiler.graph.NodeClass; +import org.graalvm.compiler.nodeinfo.NodeInfo; +import org.graalvm.compiler.nodes.FixedWithNextNode; +import org.graalvm.compiler.nodes.ValueNode; +import org.graalvm.compiler.nodes.spi.LIRLowerable; +import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; +import org.graalvm.compiler.nodes.spi.ValueProxy; + +@NodeInfo(cycles = CYCLES_0, size = SIZE_0) +public final class FixedValueAnchorNode extends FixedWithNextNode implements LIRLowerable, ValueProxy { + public static final NodeClass TYPE = NodeClass.create(FixedValueAnchorNode.class); + + @Input ValueNode object; + + public ValueNode object() { + return object; + } + + public FixedValueAnchorNode(ValueNode object) { + super(TYPE, object.stamp()); + this.object = object; + } + + @Override + public boolean inferStamp() { + return updateStamp(object.stamp()); + } + + @NodeIntrinsic + public static native Object getObject(Object object); + + @Override + public void generate(NodeLIRBuilderTool generator) { + generator.setResult(this, generator.operand(object)); + } + + @Override + public ValueNode getOriginalNode() { + return object; + } + +}