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_Int03 extends JTTTest { 33 34 private static boolean cond = true; 35 36 public static int test(int arg) { 37 if (arg == 0) { 38 return add(arg); 39 } 40 if (arg == 1) { 41 return sub(arg); 42 } 43 if (arg == 2) { 44 return mul(arg); 45 } 46 if (arg == 3) { 47 return div(arg); 48 } 49 if (arg == 4) { 50 return mod(arg); 51 } 52 if (arg == 5) { 53 return and(arg); 54 } 55 if (arg == 6) { 56 return or(arg); 57 } 58 if (arg == 7) { 59 return xor(arg); 60 } 61 return 0; 62 } 63 64 public static int add(int x) { 65 int c = 3; 66 int t = x + c; 67 if (cond) { 68 int u = x + c; 69 return t + u; 70 } 71 return 0; 72 } 73 74 public static int sub(int x) { 75 int c = 3; 76 int t = x - c; 77 if (cond) { 78 int u = x - c; 79 return t - u; 80 } 81 return 3; 82 } 83 84 public static int mul(int x) { 85 int i = 3; 86 int t = x * i; 87 if (cond) { 88 int u = x * i; 89 return t * u; 90 } 91 return 3; 92 } 93 94 public static int div(int x) { 95 int i = 9; 96 int t = i / x; 97 if (cond) { 98 int u = i / x; 99 return t / u; 100 } 101 return 9; 102 } 103 104 public static int mod(int x) { 105 int i = 7; 106 int t = i % x; 107 if (cond) { 108 int u = i % x; 109 return t % u; 110 } 111 return 7; 112 } 113 114 public static int and(int x) { 115 int i = 7; 116 int t = i & x; 117 if (cond) { 118 int u = i & x; 119 return t & u; 120 } 121 return 7; 122 } 123 124 public static int or(int x) { 125 int i = 7; 126 int t = i | x; 127 if (cond) { 128 int u = i | x; 129 return t | u; 130 } 131 return 7; 132 } 133 134 public static int xor(int x) { 135 int i = 7; 136 int t = i ^ x; 137 if (cond) { 138 int u = i ^ x; 139 return t ^ u; 140 } 141 return 7; 142 } 143 144 @Test 145 public void run0() throws Throwable { 146 runTest("test", 0); 147 } 148 149 @Test 150 public void run1() throws Throwable { 151 runTest("test", 1); 152 } 153 154 @Test 155 public void run2() throws Throwable { 156 runTest("test", 2); 157 } 158 159 @Test 160 public void run3() throws Throwable { 161 runTest("test", 3); 162 } 163 164 @Test 165 public void run4() throws Throwable { 166 runTest("test", 4); 167 } 168 169 @Test 170 public void run5() throws Throwable { 171 runTest("test", 5); 172 } 173 174 @Test 175 public void run6() throws Throwable { 176 runTest("test", 6); 177 } 178 179 @Test 180 public void run7() throws Throwable { 181 runTest("test", 7); 182 } 183 184 }