--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/loop/LoopPhiResolutionTest.java	2017-02-15 17:03:27.050296305 -0800
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2015, 2015, 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.jtt.loop;
+
+import org.junit.Test;
+
+import org.graalvm.compiler.api.directives.GraalDirectives;
+import org.graalvm.compiler.jtt.JTTTest;
+
+/*
+ */
+public class LoopPhiResolutionTest extends JTTTest {
+
+    public static int test(int count) {
+        int i1 = 1;
+        int i2 = 2;
+        int i3 = 3;
+        int i4 = 4;
+
+        for (int i = 0; i < count; i++) {
+            i1 = wormhole(i1);
+            i2 = wormhole(i2);
+            i3 = wormhole(i2);
+            i4 = wormhole(i4);
+        }
+        return i1 + i2 * 10 + i3 * 100 + i4 * 1000;
+    }
+
+    private static int wormhole(int x) {
+        return (int) GraalDirectives.opaque((long) x);
+    }
+
+    @Test
+    public void run0() throws Throwable {
+        runTest("test", 0);
+    }
+
+    @Test
+    public void run1() throws Throwable {
+        runTest("test", 1);
+    }
+
+    @Test
+    public void run2() throws Throwable {
+        runTest("test", 10);
+    }
+
+}