Mercurial > hg > graal-jvmci-8
annotate test/compiler/jsr292/PollutedTrapCounts.java @ 24066:9050d85e2960 jdk8u102-b33
Added tag jdk8u102-b32 for changeset c8988d2e4212
author | asaha |
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date | Tue, 02 Aug 2016 08:02:27 -0700 |
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1 /* |
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2 * Copyright (c) 2015, 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 * @test |
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26 * @bug 8074551 |
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27 * @library /testlibrary |
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28 * @run main PollutedTrapCounts |
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29 */ |
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30 import java.lang.invoke.*; |
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31 import com.oracle.java.testlibrary.*; |
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32 |
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33 public class PollutedTrapCounts { |
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34 public static void main(String[] args) throws Exception { |
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35 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
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36 "-XX:+IgnoreUnrecognizedVMOptions", |
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37 "-XX:-TieredCompilation", "-Xbatch", |
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38 "-XX:PerBytecodeRecompilationCutoff=10", "-XX:PerMethodRecompilationCutoff=10", |
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39 "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining", |
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40 "PollutedTrapCounts$Test"); |
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41 |
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42 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); |
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43 |
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44 analyzer.shouldHaveExitValue(0); |
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45 |
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46 analyzer.shouldNotContain("not compilable (disabled)"); |
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47 } |
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48 |
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49 static class Test { |
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50 public static final MethodHandle test1; |
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51 public static final MethodHandle test2; |
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52 public static final MethodHandle empty; |
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53 |
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54 static { |
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55 try { |
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56 Class<?> THIS_CLASS = Test.class; |
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57 MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); |
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58 test1 = LOOKUP.findStatic(THIS_CLASS, "test1", MethodType.methodType(boolean.class, boolean.class)); |
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59 test2 = LOOKUP.findStatic(THIS_CLASS, "test2", MethodType.methodType(boolean.class, boolean.class)); |
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60 empty = LOOKUP.findStatic(THIS_CLASS, "empty", MethodType.methodType(void.class, boolean.class)); |
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61 } catch(Throwable e) { |
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62 throw new Error(e); |
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63 } |
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64 } |
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65 |
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66 static boolean test1(boolean b) { |
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67 return b; |
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68 } |
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69 static boolean test2(boolean b) { |
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70 return true; |
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71 } |
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72 static void empty(boolean b) {} |
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73 |
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74 static void test(boolean freqValue, boolean removeInlineBlocker) throws Throwable { |
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75 MethodHandle innerGWT = MethodHandles.guardWithTest(test1, empty, empty); |
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76 MethodHandle outerGWT = MethodHandles.guardWithTest(test2, innerGWT, innerGWT); |
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77 |
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78 // Trigger compilation |
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79 for (int i = 0; i < 20_000; i++) { |
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80 outerGWT.invokeExact(freqValue); |
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81 } |
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82 |
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83 // Trigger deopt & nmethod invalidation |
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84 outerGWT.invokeExact(!freqValue); |
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85 |
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86 // Force inline blocker removal on rare-taken path |
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87 if (removeInlineBlocker) { |
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88 for (int i = 0; i < 100; i++) { |
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89 outerGWT.invokeExact(!freqValue); |
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90 } |
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91 } |
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92 |
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93 // Trigger recompilation |
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94 for (int i = 0; i < 20_000; i++) { |
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95 outerGWT.invokeExact(freqValue); |
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96 } |
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97 } |
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98 |
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99 public static void main(String[] args) throws Throwable { |
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100 boolean freqValue = true; |
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101 boolean removeInlineBlocker = false; |
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102 for (int i = 0; i < 20; i++) { |
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103 test(freqValue, removeInlineBlocker); |
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104 freqValue = !freqValue; |
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105 removeInlineBlocker = !removeInlineBlocker; |
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106 } |
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107 } |
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108 } |
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109 } |