Mercurial > hg > graal-compiler
annotate test/compiler/6851282/Test.java @ 11790:70f43f67cdcb
StubForeignCallNode is not a DeoptimizingNode
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 25 Sep 2013 13:05:16 +0200 |
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1 /* |
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2 * Copyright (c) 2009, 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 */ |
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24 |
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25 /** |
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26 * @test |
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27 * @bug 6851282 |
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28 * @summary JIT miscompilation results in null entry in array when using CompressedOops |
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29 * |
901 | 30 * @run main/othervm/timeout=600 -Xmx256m -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops Test |
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31 */ |
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32 |
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33 import java.util.ArrayList; |
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34 import java.util.List; |
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35 |
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36 public class Test { |
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37 void foo(A a, A[] as) { |
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38 for (A a1 : as) { |
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39 B[] filtered = a.c(a1); |
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40 for (B b : filtered) { |
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41 if (b == null) { |
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42 System.out.println("bug: b == null"); |
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43 System.exit(97); |
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44 } |
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45 } |
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46 } |
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47 } |
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48 |
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49 public static void main(String[] args) { |
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50 List<A> as = new ArrayList<A>(); |
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51 for (int i = 0; i < 5000; i++) { |
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52 List<B> bs = new ArrayList<B>(); |
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53 for (int j = i; j < i + 1000; j++) |
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54 bs.add(new B(j)); |
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55 as.add(new A(bs.toArray(new B[0]))); |
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56 } |
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57 new Test().foo(as.get(0), as.subList(1, as.size()).toArray(new A[0])); |
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58 } |
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59 } |
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60 |
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61 class A { |
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62 final B[] bs; |
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63 |
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64 public A(B[] bs) { |
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65 this.bs = bs; |
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66 } |
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67 |
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68 final B[] c(final A a) { |
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69 return new BoxedArray<B>(bs).filter(new Function<B, Boolean>() { |
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70 public Boolean apply(B arg) { |
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71 for (B b : a.bs) { |
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72 if (b.d == arg.d) |
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73 return true; |
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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 } |
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79 } |
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80 |
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81 class BoxedArray<T> { |
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82 |
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83 private final T[] array; |
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84 |
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85 BoxedArray(T[] array) { |
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86 this.array = array; |
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87 } |
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88 |
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89 public T[] filter(Function<T, Boolean> function) { |
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90 boolean[] include = new boolean[array.length]; |
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91 int len = 0; |
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92 int i = 0; |
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93 while (i < array.length) { |
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94 if (function.apply(array[i])) { |
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95 include[i] = true; |
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96 len += 1; |
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97 } |
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98 i += 1; |
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99 } |
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100 T[] result = (T[]) java.lang.reflect.Array.newInstance(array.getClass().getComponentType(), len); |
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101 len = 0; |
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102 i = 0; |
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103 while (len < result.length) { |
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104 if (include[i]) { |
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105 result[len] = array[i]; |
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106 len += 1; |
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107 } |
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108 i += 1; |
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109 } |
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110 return result; |
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111 } |
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112 } |
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113 |
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114 interface Function<T, R> { |
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115 R apply(T arg); |
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116 } |
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117 |
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118 class B { |
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119 final int d; |
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120 public B(int d) { |
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121 this.d = d; |
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122 } |
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123 } |
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124 |