001/*
002 * Copyright (c) 2013, 2014, 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;
024
025import com.oracle.graal.compiler.common.type.*;
026import com.oracle.graal.graph.*;
027import com.oracle.graal.nodeinfo.*;
028
029@NodeInfo
030public abstract class DeoptimizingFixedWithNextNode extends FixedWithNextNode implements DeoptimizingNode.DeoptBefore {
031
032    public static final NodeClass<DeoptimizingFixedWithNextNode> TYPE = NodeClass.create(DeoptimizingFixedWithNextNode.class);
033    @OptionalInput(InputType.State) protected FrameState stateBefore;
034
035    protected DeoptimizingFixedWithNextNode(NodeClass<? extends DeoptimizingFixedWithNextNode> c, Stamp stamp) {
036        super(c, stamp);
037    }
038
039    protected DeoptimizingFixedWithNextNode(NodeClass<? extends DeoptimizingFixedWithNextNode> c, Stamp stamp, FrameState stateBefore) {
040        super(c, stamp);
041        this.stateBefore = stateBefore;
042    }
043
044    @Override
045    public FrameState stateBefore() {
046        return stateBefore;
047    }
048
049    @Override
050    public void setStateBefore(FrameState f) {
051        updateUsages(stateBefore, f);
052        stateBefore = f;
053    }
054}