/*
 * Copyright (c) 2012, 2012, 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.compiler.loop;

import com.oracle.graal.graph.*;
import com.oracle.graal.graph.Graph.DuplicationReplacement;
import com.oracle.graal.graph.iterators.*;
import com.oracle.graal.lir.cfg.*;


public class LoopFragmentWhole extends LoopFragment {

    public LoopFragmentWhole(LoopEx loop) {
        super(loop);
    }

    @Override
    public LoopFragmentWhole duplicate() {
        // TODO (gd) do not forget to make a FULL loop : do not forget the forward end which is not part of the original loop stricto sensus
        return null;
    }

    @Override
    public NodeIterable<Node> nodes() {
        if (nodes == null) {
            Loop lirLoop = loop().lirLoop();
            nodes = LoopFragment.computeNodes(graph(), LoopFragment.toHirBlocks(lirLoop.blocks), LoopFragment.toHirBlocks(lirLoop.exits));
        }
        return nodes;
    }

    @Override
    protected DuplicationReplacement getDuplicationReplacement() {
        return null;
    }

    @Override
    protected void finishDuplication() {
        // TODO Auto-generated method stub

    }

    @Override
    public void insertBefore(LoopEx loop) {
        // TODO Auto-generated method stub

    }
}