Mercurial > hg > truffle

annotate test/compiler/profiling/TestUnexpectedProfilingMismatch.java @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents e6ba215af802
children
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1 /*
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2 * Copyright (c) 2013, 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 8027631
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27 * @summary profiling of arguments at calls cannot rely on signature of callee for types
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28 * @run main/othervm -XX:-BackgroundCompilation -XX:TieredStopAtLevel=3 -XX:TypeProfileLevel=111 -XX:Tier3InvocationThreshold=200 -XX:Tier0InvokeNotifyFreqLog=7 TestUnexpectedProfilingMismatch
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29 *
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30 */
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31
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32 import java.lang.invoke.*;
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33
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34 public class TestUnexpectedProfilingMismatch {
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35
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36 static class A {
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37 }
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38
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39 static class B {
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40 }
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41
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42 static void mA(A a) {
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43 }
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44
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45 static void mB(B b) {
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46 }
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47
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48 static final MethodHandle mhA;
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49 static final MethodHandle mhB;
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50 static {
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51 MethodHandles.Lookup lookup = MethodHandles.lookup();
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52 MethodType mt = MethodType.methodType(void.class, A.class);
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53 MethodHandle res = null;
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54 try {
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55 res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mA", mt);
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56 } catch(NoSuchMethodException ex) {
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57 } catch(IllegalAccessException ex) {
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58 }
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59 mhA = res;
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60 mt = MethodType.methodType(void.class, B.class);
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61 try {
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62 res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mB", mt);
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63 } catch(NoSuchMethodException ex) {
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64 } catch(IllegalAccessException ex) {
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65 }
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66 mhB = res;
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67 }
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68
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69 void m1(A a, boolean doit) throws Throwable {
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70 if (doit) {
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71 mhA.invoke(a);
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72 }
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73 }
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74
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75 void m2(B b) throws Throwable {
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76 mhB.invoke(b);
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77 }
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78
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79 static public void main(String[] args) {
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80 TestUnexpectedProfilingMismatch tih = new TestUnexpectedProfilingMismatch();
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81 A a = new A();
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82 B b = new B();
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83 try {
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84 for (int i = 0; i < 256 - 1; i++) {
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85 tih.m1(a, true);
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86 }
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87 // Will trigger the compilation but will also run once
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88 // more interpreted with a non null MDO which it will
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89 // update. Make it skip the body of the method.
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90 tih.m1(a, false);
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91 // Compile this one as well and do the profiling
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92 for (int i = 0; i < 256; i++) {
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93 tih.m2(b);
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94 }
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95 // Will run and see a conflict
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96 tih.m1(a, true);
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97 } catch(Throwable ex) {
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98 ex.printStackTrace();
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99 }
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100 System.out.println("TEST PASSED");
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101 }
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102 }