Mercurial > hg > truffle
annotate test/compiler/whitebox/IsMethodCompilableTest.java @ 10104:cbf8c8c25bbe
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author | mgerdin |
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date | Thu, 18 Apr 2013 14:38:31 +0200 |
parents | b84fd7d73702 |
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rev | line source |
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8051 | 1 /* |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 /* | |
25 * @test IsMethodCompilableTest | |
26 * @bug 8007270 | |
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27 * @library /testlibrary /testlibrary/whitebox |
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28 * @build IsMethodCompilableTest |
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29 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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30 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI IsMethodCompilableTest |
8051 | 31 * @author igor.ignatyev@oracle.com |
32 */ | |
33 public class IsMethodCompilableTest extends CompilerWhiteBoxTest { | |
34 protected static final long PER_METHOD_RECOMPILATION_CUTOFF; | |
35 | |
36 static { | |
37 long tmp = Long.parseLong( | |
38 getVMOption("PerMethodRecompilationCutoff", "400")); | |
39 if (tmp == -1) { | |
40 PER_METHOD_RECOMPILATION_CUTOFF = -1 /* Inf */; | |
41 } else { | |
42 PER_METHOD_RECOMPILATION_CUTOFF = 1 + (0xFFFFFFFFL & tmp); | |
43 } | |
44 } | |
45 | |
46 public static void main(String[] args) throws Exception { | |
8766 | 47 // to prevent inlining #method into #compile() |
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48 WHITE_BOX.testSetDontInlineMethod(METHOD, true); |
8051 | 49 new IsMethodCompilableTest().runTest(); |
50 } | |
51 | |
52 protected void test() throws Exception { | |
53 if (!WHITE_BOX.isMethodCompilable(METHOD)) { | |
54 throw new RuntimeException(METHOD + " must be compilable"); | |
55 } | |
56 System.out.println("PerMethodRecompilationCutoff = " | |
57 + PER_METHOD_RECOMPILATION_CUTOFF); | |
58 if (PER_METHOD_RECOMPILATION_CUTOFF == -1) { | |
59 System.err.println( | |
60 "Warning: test is not applicable if PerMethodRecompilationCutoff == Inf"); | |
61 return; | |
62 } | |
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63 |
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64 // deoptimze 'PerMethodRecompilationCutoff' times and clear state |
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65 for (long i = 0L, n = PER_METHOD_RECOMPILATION_CUTOFF - 1; i < n; ++i) { |
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66 compileAndDeoptimaze(); |
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67 } |
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68 if (!WHITE_BOX.isMethodCompilable(METHOD)) { |
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69 throw new RuntimeException(METHOD + " is not compilable after " |
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70 + (PER_METHOD_RECOMPILATION_CUTOFF - 1) + " iterations"); |
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71 } |
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72 WHITE_BOX.clearMethodState(METHOD); |
8051 | 73 |
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74 // deoptimze 'PerMethodRecompilationCutoff' + 1 times |
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75 long i; |
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76 for (i = 0L; i < PER_METHOD_RECOMPILATION_CUTOFF |
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77 && WHITE_BOX.isMethodCompilable(METHOD); ++i) { |
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78 compileAndDeoptimaze(); |
8051 | 79 } |
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80 if (i != PER_METHOD_RECOMPILATION_CUTOFF) { |
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81 throw new RuntimeException(METHOD + " is not compilable after " |
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82 + i + " iterations, but must only after " |
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83 + PER_METHOD_RECOMPILATION_CUTOFF); |
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84 } |
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85 if (WHITE_BOX.isMethodCompilable(METHOD)) { |
8051 | 86 throw new RuntimeException(METHOD + " is still compilable after " |
87 + PER_METHOD_RECOMPILATION_CUTOFF + " iterations"); | |
88 } | |
89 compile(); | |
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90 checkNotCompiled(METHOD); |
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91 |
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92 WHITE_BOX.clearMethodState(METHOD); |
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93 if (!WHITE_BOX.isMethodCompilable(METHOD)) { |
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94 throw new RuntimeException(METHOD |
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95 + " is compilable after clearMethodState()"); |
8051 | 96 } |
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97 compile(); |
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98 checkCompiled(METHOD); |
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99 } |
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100 |
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101 private void compileAndDeoptimaze() throws Exception { |
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102 compile(); |
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103 waitBackgroundCompilation(METHOD); |
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104 WHITE_BOX.deoptimizeMethod(METHOD); |
8051 | 105 } |
106 } |