001/*
002 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.nodes.extended;
024
025import com.oracle.graal.compiler.common.type.*;
026import com.oracle.graal.graph.*;
027import com.oracle.graal.nodeinfo.*;
028import com.oracle.graal.nodes.*;
029import com.oracle.graal.nodes.spi.*;
030
031@NodeInfo
032public final class FixedValueAnchorNode extends FixedWithNextNode implements LIRLowerable, ValueProxy {
033    public static final NodeClass<FixedValueAnchorNode> TYPE = NodeClass.create(FixedValueAnchorNode.class);
034
035    @Input ValueNode object;
036
037    public ValueNode object() {
038        return object;
039    }
040
041    public FixedValueAnchorNode(ValueNode object) {
042        super(TYPE, StampFactory.forNodeIntrinsic());
043        this.object = object;
044    }
045
046    @Override
047    public boolean inferStamp() {
048        return updateStamp(object.stamp());
049    }
050
051    @NodeIntrinsic
052    public static native Object getObject(Object object);
053
054    @Override
055    public void generate(NodeLIRBuilderTool generator) {
056        generator.setResult(this, generator.operand(object));
057    }
058
059    @Override
060    public ValueNode getOriginalNode() {
061        return object;
062    }
063
064}