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(-) [+]
line wrap: on
line diff
--- 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;
-                    }
-                }
-            }
-        }
-    }
-}