--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/GlobalValueNumberingPhase.java	Mon Feb 04 20:18:41 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 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.graal.phases.common;
-
-import com.oracle.graal.debug.*;
-import com.oracle.graal.graph.*;
-import com.oracle.graal.nodes.*;
-import com.oracle.graal.phases.*;
-
-public class GlobalValueNumberingPhase extends Phase {
-
-    public static final DebugMetric metricGlobalValueNumberingHits = Debug.metric("GlobalValueNumberingHits");
-
-    @Override
-    protected void run(StructuredGraph graph) {
-        NodeBitMap visited = graph.createNodeBitMap();
-        for (Node n : graph.getNodes()) {
-            apply(n, visited, graph);
-        }
-    }
-
-    private void apply(Node n, NodeBitMap visited, StructuredGraph compilerGraph) {
-        if (!visited.isMarked(n)) {
-            visited.mark(n);
-            for (Node input : n.inputs()) {
-                apply(input, visited, compilerGraph);
-            }
-            if (n.getNodeClass().valueNumberable()) {
-                Node newNode = compilerGraph.findDuplicate(n);
-                if (newNode != null) {
-                    assert !(n instanceof FixedNode || newNode instanceof FixedNode);
-                    n.replaceAtUsages(newNode);
-                    n.safeDelete();
-                    metricGlobalValueNumberingHits.increment();
-                    Debug.log("GVN applied and new node is %1s", newNode);
-                }
-            }
-        }
-    }
-}