--- /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/optimize/InferStamp01.java	2017-02-15 17:03:58.649682574 -0800
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2013, 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.optimize;
+
+import org.junit.Test;
+
+import org.graalvm.compiler.jtt.JTTTest;
+
+/**
+ * test some stamps in combination with full loop unrolling and shifts.
+ */
+public class InferStamp01 extends JTTTest {
+
+    public static int testi0(int arg) {
+        int a = arg;
+        for (int i = 0; i < 2; i++) {
+            a = a >> 16;
+        }
+        return a;
+    }
+
+    @Test
+    public void runi0() throws Throwable {
+        runTest("testi0", 0x7788_99aa);
+    }
+
+    @Test
+    public void runi0neg() throws Throwable {
+        runTest("testi0", 0xf788_99aa);
+    }
+
+    public static int testi1(int arg) {
+        int a = arg;
+        for (int i = 0; i < 2; i++) {
+            a = a >>> 16;
+        }
+        return a;
+    }
+
+    @Test
+    public void runi1() throws Throwable {
+        runTest("testi1", 0x7788_99aa);
+    }
+
+    @Test
+    public void runi1neg() throws Throwable {
+        runTest("testi1", 0xf788_99aa);
+    }
+
+    public static int testi2(int arg) {
+        int a = arg;
+        for (int i = 0; i < 2; i++) {
+            a = a << 16;
+        }
+        return a;
+    }
+
+    @Test
+    public void runi2() throws Throwable {
+        runTest("testi2", 0x7788_99aa);
+    }
+
+    @Test
+    public void runi2neg() throws Throwable {
+        runTest("testi2", 0xf788_99aa);
+    }
+
+    public static long testl0(long arg) {
+        long a = arg;
+        for (long i = 0; i < 2; i++) {
+            a = a >> 32;
+        }
+        return a;
+    }
+
+    @Test
+    public void runl0() throws Throwable {
+        runTest("testl0", 0x3344_5566_7788_99aaL);
+    }
+
+    @Test
+    public void runl0neg() throws Throwable {
+        runTest("testl0", 0xf344_5566_7788_99aaL);
+    }
+
+    public static long testl1(long arg) {
+        long a = arg;
+        for (long i = 0; i < 2; i++) {
+            a = a >>> 32;
+        }
+        return a;
+    }
+
+    @Test
+    public void runl1() throws Throwable {
+        runTest("testl1", 0x3344_5566_7788_99aaL);
+    }
+
+    @Test
+    public void runl1neg() throws Throwable {
+        runTest("testl1", 0xf344_5566_7788_99aaL);
+    }
+
+    public static long testl2(long arg) {
+        long a = arg;
+        for (long i = 0; i < 2; i++) {
+            a = a << 32;
+        }
+        return a;
+    }
+
+    @Test
+    public void runl2() throws Throwable {
+        runTest("testl2", 0x3344_5566_7788_99aaL);
+    }
+
+    @Test
+    public void runl2neg() throws Throwable {
+        runTest("testl2", 0xf344_5566_7788_99aaL);
+    }
+}