Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/loop/LoopFragmentWhole.java @ 5489:5d0d72b37f88
Switch to new loop transformation framework, use it for peeling and full unrolling for snippets
Change behaviour or addDuplicates : it now connects things to the 'outer world' for inputs. Only replacement of nodes which are in the set of duplicated nodes get their edges updates
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 06 Jun 2012 19:09:05 +0200 |
parents | |
children | e1d5c642d022 |
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/* * 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 } }