OpenJDK / graal / graal-jvmci-8
changeset 2965:df4edf02543a
Remove split critical edges phase (no longer necessary with end nodes in the game).
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 15 Jun 2011 12:24:03 +0200 |
parents | 5200f61105a9 |
children | 0048537e3cd7 |
files | graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/graph/IR.java graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/SplitCriticalEdgesPhase.java |
diffstat | 2 files changed, 0 insertions(+), 54 deletions(-) [+] |
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--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/graph/IR.java Wed Jun 15 12:22:23 2011 +0200 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/graph/IR.java Wed Jun 15 12:24:03 2011 +0200 @@ -106,8 +106,6 @@ new LoweringPhase().apply(graph); - new SplitCriticalEdgesPhase().apply(graph); - IdentifyBlocksPhase schedule = new IdentifyBlocksPhase(true); schedule.apply(graph);
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/SplitCriticalEdgesPhase.java Wed Jun 15 12:22:23 2011 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,52 +0,0 @@ -/* - * Copyright (c) 2009, 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.phases; - -import java.util.*; - -import com.oracle.max.graal.compiler.ir.*; -import com.oracle.max.graal.compiler.schedule.*; -import com.oracle.max.graal.graph.*; - - -public class SplitCriticalEdgesPhase extends Phase { - - @Override - protected void run(Graph graph) { - List<Node> nodes = graph.getNodes(); - for (int i = 0; i < nodes.size(); ++i) { - Node n = nodes.get(i); - if (IdentifyBlocksPhase.trueSuccessorCount(n) > 1) { - for (int j = 0; j < n.successors().size(); ++j) { - Node succ = n.successors().get(j); - if (IdentifyBlocksPhase.truePredecessorCount(succ) > 1) { - Anchor a = new Anchor(graph); - a.successors().setAndClear(Instruction.SUCCESSOR_NEXT, n, j); - n.successors().set(j, a); - n.successorTags()[j] = 1; - } - } - } - } - } -}