1 /* 2 * Copyright (c) 2009, 2012, 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.optimize; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 /* 30 * Tests value numbering of integer operations. 31 */ 32 public class VN_Int01 extends JTTTest { 33 34 public static int test(int arg) { 35 if (arg == 0) { 36 return add(arg); 37 } 38 if (arg == 1) { 39 return sub(arg); 40 } 41 if (arg == 2) { 42 return mul(arg); 43 } 44 if (arg == 3) { 45 return div(arg); 46 } 47 if (arg == 4) { 48 return mod(arg); 49 } 50 if (arg == 5) { 51 return and(arg); 52 } 53 if (arg == 6) { 54 return or(arg); 55 } 56 if (arg == 7) { 57 return xor(arg); 58 } 59 return 0; 60 } 61 62 public static int add(int x) { 63 int c = 3; 64 int t = x + c; 65 int u = x + c; 66 return t + u; 67 } 68 69 public static int sub(int x) { 70 int c = 3; 71 int t = x - c; 72 int u = x - c; 73 return t - u; 74 } 75 76 public static int mul(int x) { 77 int i = 3; 78 int t = x * i; 79 int u = x * i; 80 return t * u; 81 } 82 83 public static int div(int x) { 84 int i = 9; 85 int t = i / x; 86 int u = i / x; 87 return t / u; 88 } 89 90 public static int mod(int x) { 91 int i = 7; 92 int t = i % x; 93 int u = i % x; 94 return t % u; 95 } 96 97 public static int and(int x) { 98 int i = 7; 99 int t = i & x; 100 int u = i & x; 101 return t & u; 102 } 103 104 public static int or(int x) { 105 int i = 7; 106 int t = i | x; 107 int u = i | x; 108 return t | u; 109 } 110 111 public static int xor(int x) { 112 int i = 7; 113 int t = i ^ x; 114 int u = i ^ x; 115 return t ^ u; 116 } 117 118 @Test 119 public void run0() throws Throwable { 120 runTest("test", 0); 121 } 122 123 @Test 124 public void run1() throws Throwable { 125 runTest("test", 1); 126 } 127 128 @Test 129 public void run2() throws Throwable { 130 runTest("test", 2); 131 } 132 133 @Test 134 public void run3() throws Throwable { 135 runTest("test", 3); 136 } 137 138 @Test 139 public void run4() throws Throwable { 140 runTest("test", 4); 141 } 142 143 @Test 144 public void run5() throws Throwable { 145 runTest("test", 5); 146 } 147 148 @Test 149 public void run6() throws Throwable { 150 runTest("test", 6); 151 } 152 153 @Test 154 public void run7() throws Throwable { 155 runTest("test", 7); 156 } 157 158 }