Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.max.graal.jtt/src/com/oracle/max/graal/jtt/optimize/VN_InstanceOf02.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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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 value numbering of instanceof operations. |
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29 */ |
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30 public class VN_InstanceOf02 { |
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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 static final Object object = new VN_InstanceOf02(); |
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35 |
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36 public static boolean test(int arg) { |
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37 if (arg == 0) { |
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38 return foo1(); |
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39 } |
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40 if (arg == 1) { |
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41 return foo2(); |
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42 } |
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43 if (arg == 2) { |
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44 return foo3(); |
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45 } |
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46 // do nothing |
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47 return false; |
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48 } |
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49 |
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50 private static boolean foo1() { |
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51 boolean a = object instanceof VN_InstanceOf02; |
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52 if (cond) { |
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53 boolean b = object instanceof VN_InstanceOf02; |
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54 return a | b; |
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55 } |
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56 return false; |
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57 } |
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58 |
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59 private static boolean foo2() { |
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60 Object obj = new VN_InstanceOf02(); |
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61 boolean a = obj instanceof VN_InstanceOf02; |
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62 if (cond) { |
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63 boolean b = obj instanceof VN_InstanceOf02; |
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64 return a | b; |
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65 } |
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66 return false; |
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67 } |
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68 |
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69 private static boolean foo3() { |
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70 boolean a = null instanceof VN_InstanceOf02; |
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71 if (cond) { |
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72 boolean b = null instanceof VN_InstanceOf02; |
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73 return a | b; |
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74 } |
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75 return false; |
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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(true, 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(true, 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(false, test(2)); |
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91 } |
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92 |
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93 } |