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annotate graal/com.oracle.max.graal.jtt/src/com/oracle/max/graal/jtt/optimize/VN_Float02.java @ 4587:5b04b33dac74

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add jtt tests, converted from the maxine repository using ConvertJTT
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 14 Feb 2012 16:27:59 +0100
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4587
5b04b33dac74 add jtt tests, converted from the maxine repository using ConvertJTT
Lukas Stadler <lukas.stadler@jku.at>
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1 /*
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2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
5b04b33dac74 add jtt tests, converted from the maxine repository using ConvertJTT
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.max.graal.jtt.optimize;
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24
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25 import org.junit.*;
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26
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27 /*
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28 * Tests optimization of float operations.
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29 */
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30 public class VN_Float02 {
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31
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32 private static boolean cond = true;
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33
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34 public static float test(float arg) {
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35 if (arg == 0) {
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36 return add(arg + 10);
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37 }
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38 if (arg == 1) {
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39 return sub(arg + 10);
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40 }
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41 if (arg == 2) {
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42 return mul(arg + 10);
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43 }
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44 if (arg == 3) {
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45 return div(arg + 10);
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46 }
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47 return 0;
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48 }
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49
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50 public static float add(float x) {
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51 float c = 1.0f;
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52 float t = x + c;
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53 if (cond) {
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54 float u = x + c;
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55 return t + u;
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56 }
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57 return 1.0f;
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58 }
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59
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60 public static float sub(float x) {
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61 float c = 1.0f;
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62 float t = x - c;
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63 if (cond) {
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64 float u = x - c;
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65 return t - u;
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66 }
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67 return 1.0f;
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68 }
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69
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70 public static float mul(float x) {
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71 float c = 1.0f;
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72 float t = x * c;
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73 if (cond) {
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74 float u = x * c;
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75 return t * u;
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76 }
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77 return 1.0f;
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78 }
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79
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80 public static float div(float x) {
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81 float c = 1.0f;
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82 float t = x / c;
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83 if (cond) {
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84 float u = x / c;
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85 return t / u;
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86 }
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87 return 1.0f;
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88 }
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89
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90 @Test
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91 public void run0() throws Throwable {
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92 Assert.assertEquals(22f, test(0f), 0);
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93 }
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94
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95 @Test
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96 public void run1() throws Throwable {
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97 Assert.assertEquals(0f, test(1f), 0);
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98 }
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99
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100 @Test
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101 public void run2() throws Throwable {
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102 Assert.assertEquals(144f, test(2f), 0);
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103 }
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104
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105 @Test
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106 public void run3() throws Throwable {
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107 Assert.assertEquals(1f, test(3f), 0);
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108 }
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109
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110 }