Mercurial > hg > truffle
view graal/com.oracle.graal.loop/src/com/oracle/graal/loop/phases/LoopPeelingPhase.java @ 19065:b4056d536237
Break LoopTransform phases into individual phases
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Mon, 02 Feb 2015 11:51:06 -0800 |
parents | graal/com.oracle.graal.loop/src/com/oracle/graal/loop/phases/LoopTransformHighPhase.java@7fb828b4c32b |
children | 2dbfa1ed5efa |
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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.loop.phases; import java.util.function.*; import com.oracle.graal.debug.*; import com.oracle.graal.loop.*; import com.oracle.graal.nodes.*; import com.oracle.graal.phases.*; import com.oracle.graal.phases.graph.*; public class LoopPeelingPhase extends Phase { @Override protected void run(StructuredGraph graph) { if (graph.hasLoops()) { ToDoubleFunction<FixedNode> probabilities = new FixedNodeProbabilityCache(); LoopsData data = new LoopsData(graph); for (LoopEx loop : data.outerFirst()) { if (LoopPolicies.shouldPeel(loop, probabilities)) { Debug.log("Peeling %s", loop); LoopTransformations.peel(loop); Debug.dump(graph, "After peeling %s", loop); } } data.deleteUnusedNodes(); } } }