1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.jtt.bytecode; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 /* 30 */ 31 public class BC_lshr02 extends JTTTest { 32 33 public static long test0(long arg) { 34 long a = arg >> 32; 35 return a >> 32; 36 } 37 38 @Test 39 public void run0a() throws Throwable { 40 runTest("test0", 1L); 41 } 42 43 @Test 44 public void run0b() throws Throwable { 45 runTest("test0", 0L); 46 } 47 48 @Test 49 public void run0c() throws Throwable { 50 runTest("test0", -1L); 51 } 52 53 @Test 54 public void run0d() throws Throwable { 55 runTest("test0", Long.MAX_VALUE); 56 } 57 58 @Test 59 public void run0e() throws Throwable { 60 runTest("test0", Long.MIN_VALUE); 61 } 62 63 /* testcase for a postive stamp */ 64 public static int test1(long[] arg) { 65 int a = arg.length >> 16; 66 return a >> 16; 67 } 68 69 @Test 70 public void run1a() throws Throwable { 71 long[] arg = new long[0x100]; 72 runTest("test1", arg); 73 } 74 75 /* testcase for a strictly negative stamp */ 76 public static int test2(long[] arg) { 77 int a = (-arg.length - 1) >> 16; 78 return a >> 16; 79 } 80 81 @Test 82 public void run2a() throws Throwable { 83 long[] arg = new long[0x100]; 84 runTest("test2", arg); 85 } 86 }