/*
 * Copyright (c) 2013, 2018, 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.
 *
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package org.graalvm.compiler.nodes;

import org.graalvm.compiler.core.common.type.Stamp;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.InputType;
import org.graalvm.compiler.nodeinfo.NodeInfo;

@NodeInfo
public abstract class DeoptimizingFixedWithNextNode extends FixedWithNextNode implements DeoptimizingNode.DeoptBefore {

    public static final NodeClass<DeoptimizingFixedWithNextNode> TYPE = NodeClass.create(DeoptimizingFixedWithNextNode.class);
    @OptionalInput(InputType.State) protected FrameState stateBefore;

    protected DeoptimizingFixedWithNextNode(NodeClass<? extends DeoptimizingFixedWithNextNode> c, Stamp stamp) {
        super(c, stamp);
    }

    protected DeoptimizingFixedWithNextNode(NodeClass<? extends DeoptimizingFixedWithNextNode> c, Stamp stamp, FrameState stateBefore) {
        super(c, stamp);
        this.stateBefore = stateBefore;
    }

    @Override
    public FrameState stateBefore() {
        return stateBefore;
    }

    @Override
    public void setStateBefore(FrameState f) {
        updateUsages(stateBefore, f);
        stateBefore = f;
    }
}