Mercurial > hg > truffle
annotate graal/com.oracle.max.graal.jtt/src/com/oracle/max/graal/jtt/optimize/Reduce_LongShift01.java @ 4587:5b04b33dac74
add jtt tests, converted from the maxine repository using ConvertJTT
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 14 Feb 2012 16:27:59 +0100 |
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4587
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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 |
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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 integer operations. |
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29 */ |
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30 public class Reduce_LongShift01 { |
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31 |
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32 public static long test(long arg) { |
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33 if (arg == 0) { |
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34 return shift0(arg + 10); |
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35 } |
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36 if (arg == 1) { |
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37 return shift1(arg + 10); |
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38 } |
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39 if (arg == 2) { |
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40 return shift2(arg + 10); |
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41 } |
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42 if (arg == 3) { |
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43 return shift3(arg + 10); |
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44 } |
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45 if (arg == 4) { |
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46 return shift4(arg + 10); |
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47 } |
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48 if (arg == 5) { |
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49 return shift5(arg + 10); |
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50 } |
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51 return 0; |
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52 } |
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53 |
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54 public static long shift0(long x) { |
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55 return x >> 0; |
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56 } |
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57 |
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58 public static long shift1(long x) { |
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59 return x >>> 0; |
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60 } |
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61 |
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62 public static long shift2(long x) { |
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63 return x << 0; |
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64 } |
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65 |
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66 public static long shift3(long x) { |
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67 return x >> 64; |
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68 } |
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69 |
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70 public static long shift4(long x) { |
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71 return x >>> 64; |
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72 } |
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73 |
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74 public static long shift5(long x) { |
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75 return x << 64; |
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76 } |
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77 |
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78 @Test |
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79 public void run0() throws Throwable { |
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80 Assert.assertEquals(10L, test(0)); |
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81 } |
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82 |
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83 @Test |
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84 public void run1() throws Throwable { |
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85 Assert.assertEquals(11L, test(1)); |
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86 } |
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87 |
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88 @Test |
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89 public void run2() throws Throwable { |
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90 Assert.assertEquals(12L, test(2)); |
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91 } |
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92 |
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93 @Test |
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94 public void run3() throws Throwable { |
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95 Assert.assertEquals(13L, test(3)); |
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96 } |
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97 |
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98 @Test |
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99 public void run4() throws Throwable { |
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100 Assert.assertEquals(14L, test(4)); |
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101 } |
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102 |
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103 @Test |
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104 public void run5() throws Throwable { |
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105 Assert.assertEquals(15L, test(5)); |
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106 } |
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107 |
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108 } |