/*
 * Copyright (c) 2011, 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 com.oracle.max.graal.compiler.nodes.extended;

import java.util.*;

import com.oracle.max.graal.compiler.nodes.base.*;
import com.oracle.max.graal.compiler.nodes.spi.*;
import com.oracle.max.graal.graph.*;
import com.sun.cri.ci.*;


public final class WriteVectorNode extends AccessVectorNode {
    @Input private AbstractVectorNode values;

    public AbstractVectorNode values() {
        return values;
    }

    public void setValues(AbstractVectorNode x) {
        updateUsages(values, x);
        values = x;
    }

    public WriteVectorNode(AbstractVectorNode vector, ValueNode object, LocationNode location, AbstractVectorNode values, Graph graph) {
        super(CiKind.Illegal, vector, object, location, graph);
        setValues(values);
    }

    @Override
    public <T extends Op> T lookup(Class<T> clazz) {
        if (clazz == LIRGeneratorOp.class) {
            return null;
        }
        return super.lookup(clazz);
    }

    @Override
    public void addToLoop(LoopBeginNode loop, IdentityHashMap<AbstractVectorNode, ValueNode> nodes) {
        LocationNode newLocation = LocationNode.create(LocationNode.getArrayLocation(location().getValueKind()), location().getValueKind(), location().displacement(), graph());
        ValueNode index = nodes.get(vector());
        ValueNode value = nodes.get(values());
        assert index != null;
        assert value != null;
        newLocation.setIndex(index);
        WriteNode writeNode = new WriteNode(location().getValueKind().stackKind(), object(), value, newLocation, graph());
        loop.loopEnd().replaceAtPredecessors(writeNode);
        writeNode.setNext(loop.loopEnd());
    }
}