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 optimization of float operations. 31 */ 32public class Reduce_Float01 extends JTTTest { 33 34 public static float test(float arg) { 35 if (arg == 0) { 36 return add(10); 37 } 38 if (arg == 1) { 39 return sub(11); 40 } 41 if (arg == 2) { 42 return mul(12); 43 } 44 if (arg == 3) { 45 return div(13); 46 } 47 return 0; 48 } 49 50 public static float add(float x) { 51 return x + 0; 52 } 53 54 public static float sub(float x) { 55 return x - 0; 56 } 57 58 public static float mul(float x) { 59 return x * 1; 60 } 61 62 public static float div(float x) { 63 return x / 1; 64 } 65 66 @Test 67 public void run0() throws Throwable { 68 runTest("test", 0f); 69 } 70 71 @Test 72 public void run1() throws Throwable { 73 runTest("test", 1f); 74 } 75 76 @Test 77 public void run2() throws Throwable { 78 runTest("test", 2f); 79 } 80 81 @Test 82 public void run3() throws Throwable { 83 runTest("test", 3f); 84 } 85 86} 87