--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/RemoveValueProxyPhase.java	2017-02-15 17:08:13.926804077 -0800
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 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 org.graalvm.compiler.phases.common;
+
+import org.graalvm.compiler.nodes.FrameState;
+import org.graalvm.compiler.nodes.LoopExitNode;
+import org.graalvm.compiler.nodes.ProxyNode;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.util.GraphUtil;
+import org.graalvm.compiler.phases.Phase;
+
+public class RemoveValueProxyPhase extends Phase {
+
+    @Override
+    protected void run(StructuredGraph graph) {
+        for (ProxyNode vpn : graph.getNodes(ProxyNode.TYPE)) {
+            vpn.replaceAtUsagesAndDelete(vpn.value());
+        }
+        for (LoopExitNode exit : graph.getNodes(LoopExitNode.TYPE)) {
+            FrameState stateAfter = exit.stateAfter();
+            if (stateAfter != null) {
+                exit.setStateAfter(null);
+                if (stateAfter.hasNoUsages()) {
+                    GraphUtil.killWithUnusedFloatingInputs(stateAfter);
+                }
+            }
+        }
+        graph.setHasValueProxies(false);
+    }
+}