/*
 * Copyright (c) 2013, 2015, 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.graal.hotspot.replacements.arraycopy;

import com.oracle.jvmci.meta.NamedLocationIdentity;
import com.oracle.jvmci.meta.LocationIdentity;
import com.oracle.jvmci.meta.Kind;
import static com.oracle.jvmci.meta.LocationIdentity.*;
import com.oracle.graal.graph.*;
import com.oracle.graal.nodeinfo.*;
import com.oracle.graal.nodes.*;
import com.oracle.graal.nodes.spi.*;
import com.oracle.graal.replacements.nodes.*;

@NodeInfo
public final class ArrayCopyNode extends BasicArrayCopyNode implements Virtualizable, Lowerable {

    public static final NodeClass<ArrayCopyNode> TYPE = NodeClass.create(ArrayCopyNode.class);

    private Kind elementKind;

    public ArrayCopyNode(int bci, ValueNode src, ValueNode srcPos, ValueNode dst, ValueNode dstPos, ValueNode length) {
        super(TYPE, src, srcPos, dst, dstPos, length, null, bci);
        elementKind = ArrayCopySnippets.Templates.selectComponentKind(this);
    }

    @Override
    public LocationIdentity getLocationIdentity() {
        if (elementKind == null) {
            elementKind = ArrayCopySnippets.Templates.selectComponentKind(this);
        }
        if (elementKind != null) {
            return NamedLocationIdentity.getArrayLocation(elementKind);
        }
        return any();
    }

    @Override
    public void lower(LoweringTool tool) {
        tool.getLowerer().lower(this, tool);
    }
}