001/*
002 * Copyright (c) 2013, 2015, 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.hotspot.nodes;
024
025import com.oracle.graal.graph.*;
026import com.oracle.graal.nodeinfo.*;
027import com.oracle.graal.nodes.*;
028import com.oracle.graal.nodes.memory.address.*;
029
030@NodeInfo
031public abstract class ObjectWriteBarrier extends WriteBarrier {
032
033    public static final NodeClass<ObjectWriteBarrier> TYPE = NodeClass.create(ObjectWriteBarrier.class);
034    @Input(InputType.Association) protected AddressNode address;
035    @OptionalInput protected ValueNode value;
036    protected final boolean precise;
037
038    protected ObjectWriteBarrier(NodeClass<? extends ObjectWriteBarrier> c, AddressNode address, ValueNode value, boolean precise) {
039        super(c);
040        this.address = address;
041        this.value = value;
042        this.precise = precise;
043    }
044
045    public ValueNode getValue() {
046        return value;
047    }
048
049    public AddressNode getAddress() {
050        return address;
051    }
052
053    public boolean usePrecise() {
054        return precise;
055    }
056}