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 constant folding of integer operations. 31 */ 32 public class Fold_Int01 extends JTTTest { 33 34 public static int test(int arg) { 35 if (arg == 0) { 36 return add(); 37 } 38 if (arg == 1) { 39 return sub(); 40 } 41 if (arg == 2) { 42 return mul(); 43 } 44 if (arg == 3) { 45 return div(); 46 } 47 if (arg == 4) { 48 return mod(); 49 } 50 if (arg == 5) { 51 return and(); 52 } 53 if (arg == 6) { 54 return or(); 55 } 56 if (arg == 7) { 57 return xor(); 58 } 59 return 0; 60 } 61 62 public static int add() { 63 int x = 3; 64 return x + 7; 65 } 66 67 public static int sub() { 68 int x = 15; 69 return x - 4; 70 } 71 72 public static int mul() { 73 int x = 6; 74 return x * 2; 75 } 76 77 public static int div() { 78 int x = 26; 79 return x / 2; 80 } 81 82 public static int mod() { 83 int x = 29; 84 return x % 15; 85 } 86 87 public static int and() { 88 int x = 31; 89 return x & 15; 90 } 91 92 public static int or() { 93 int x = 16; 94 return x | 16; 95 } 96 97 public static int xor() { 98 int x = 0; 99 return x ^ 17; 100 } 101 102 @Test 103 public void run0() throws Throwable { 104 runTest("test", 0); 105 } 106 107 @Test 108 public void run1() throws Throwable { 109 runTest("test", 1); 110 } 111 112 @Test 113 public void run2() throws Throwable { 114 runTest("test", 2); 115 } 116 117 @Test 118 public void run3() throws Throwable { 119 runTest("test", 3); 120 } 121 122 @Test 123 public void run4() throws Throwable { 124 runTest("test", 4); 125 } 126 127 @Test 128 public void run5() throws Throwable { 129 runTest("test", 5); 130 } 131 132 @Test 133 public void run6() throws Throwable { 134 runTest("test", 6); 135 } 136 137 @Test 138 public void run7() throws Throwable { 139 runTest("test", 7); 140 } 141 142 }