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 */ 23package org.graalvm.compiler.jtt.optimize; 24 25import org.junit.Test; 26 27import org.graalvm.compiler.jtt.JTTTest; 28 29/* 30 * Tests constant folding of float operations. 31 */ 32public class Fold_Float01 extends JTTTest { 33 34 public static float test(float 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 return 0; 51 } 52 53 public static float add() { 54 float x = 3; 55 return x + 7; 56 } 57 58 public static float sub() { 59 float x = 15; 60 return x - 4; 61 } 62 63 public static float mul() { 64 float x = 6; 65 return x * 2; 66 } 67 68 public static float div() { 69 float x = 26; 70 return x / 2; 71 } 72 73 public static float mod() { 74 float x = 29; 75 return x % 15; 76 } 77 78 @Test 79 public void run0() throws Throwable { 80 runTest("test", 0f); 81 } 82 83 @Test 84 public void run1() throws Throwable { 85 runTest("test", 1f); 86 } 87 88 @Test 89 public void run2() throws Throwable { 90 runTest("test", 2f); 91 } 92 93 @Test 94 public void run3() throws Throwable { 95 runTest("test", 3f); 96 } 97 98 @Test 99 public void run4() throws Throwable { 100 runTest("test", 4f); 101 } 102 103} 104