Mercurial > hg > truffle
annotate test/compiler/whitebox/IsMethodCompilableTest.java @ 11484:2aac62d79af4
Truffle-DSL: fixed bug if node class was used also as child.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 30 Aug 2013 17:31:59 +0200 |
parents | 4b2eebe03f93 |
children | 11237ee74aae |
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 |
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31 * @summary testing of WB::isMethodCompilable() |
8051 | 32 * @author igor.ignatyev@oracle.com |
33 */ | |
34 public class IsMethodCompilableTest extends CompilerWhiteBoxTest { | |
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35 /** |
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36 * Value of {@code -XX:PerMethodRecompilationCutoff} |
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37 */ |
8051 | 38 protected static final long PER_METHOD_RECOMPILATION_CUTOFF; |
39 | |
40 static { | |
41 long tmp = Long.parseLong( | |
42 getVMOption("PerMethodRecompilationCutoff", "400")); | |
43 if (tmp == -1) { | |
44 PER_METHOD_RECOMPILATION_CUTOFF = -1 /* Inf */; | |
45 } else { | |
46 PER_METHOD_RECOMPILATION_CUTOFF = 1 + (0xFFFFFFFFL & tmp); | |
47 } | |
48 } | |
49 | |
50 public static void main(String[] args) throws Exception { | |
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51 for (TestCase test : TestCase.values()) { |
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52 new IsMethodCompilableTest(test).runTest(); |
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53 } |
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54 } |
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55 |
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56 public IsMethodCompilableTest(TestCase testCase) { |
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57 super(testCase); |
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58 // to prevent inlining of #method |
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59 WHITE_BOX.testSetDontInlineMethod(method, true); |
8051 | 60 } |
61 | |
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62 /** |
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63 * Tests {@code WB::isMethodCompilable()} by recompilation of tested method |
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64 * 'PerMethodRecompilationCutoff' times and checks compilation status. Also |
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65 * checks that WB::clearMethodState() clears no-compilable flags. |
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66 * |
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67 * @throws Exception if one of the checks fails. |
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68 */ |
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69 @Override |
8051 | 70 protected void test() throws Exception { |
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71 if (!WHITE_BOX.isMethodCompilable(method)) { |
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72 throw new RuntimeException(method + " must be compilable"); |
8051 | 73 } |
74 System.out.println("PerMethodRecompilationCutoff = " | |
75 + PER_METHOD_RECOMPILATION_CUTOFF); | |
76 if (PER_METHOD_RECOMPILATION_CUTOFF == -1) { | |
77 System.err.println( | |
78 "Warning: test is not applicable if PerMethodRecompilationCutoff == Inf"); | |
79 return; | |
80 } | |
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81 |
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82 // deoptimize 'PerMethodRecompilationCutoff' times and clear state |
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83 for (long i = 0L, n = PER_METHOD_RECOMPILATION_CUTOFF - 1; i < n; ++i) { |
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84 compileAndDeoptimize(); |
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85 } |
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86 if (!WHITE_BOX.isMethodCompilable(method)) { |
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87 throw new RuntimeException(method + " is not compilable after " |
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88 + (PER_METHOD_RECOMPILATION_CUTOFF - 1) + " iterations"); |
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89 } |
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90 WHITE_BOX.clearMethodState(method); |
8051 | 91 |
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92 // deoptimize 'PerMethodRecompilationCutoff' + 1 times |
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93 long i; |
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94 for (i = 0L; i < PER_METHOD_RECOMPILATION_CUTOFF |
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95 && WHITE_BOX.isMethodCompilable(method); ++i) { |
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96 compileAndDeoptimize(); |
8051 | 97 } |
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98 if (i != PER_METHOD_RECOMPILATION_CUTOFF) { |
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99 throw new RuntimeException(method + " is not compilable after " |
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100 + i + " iterations, but must only after " |
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101 + PER_METHOD_RECOMPILATION_CUTOFF); |
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102 } |
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103 if (WHITE_BOX.isMethodCompilable(method)) { |
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104 throw new RuntimeException(method + " is still compilable after " |
8051 | 105 + PER_METHOD_RECOMPILATION_CUTOFF + " iterations"); |
106 } | |
107 compile(); | |
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108 checkNotCompiled(); |
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109 |
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110 // WB.clearMethodState() must reset no-compilable flags |
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111 WHITE_BOX.clearMethodState(method); |
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112 if (!WHITE_BOX.isMethodCompilable(method)) { |
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113 throw new RuntimeException(method |
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114 + " is not compilable after clearMethodState()"); |
8051 | 115 } |
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116 compile(); |
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117 checkCompiled(); |
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118 } |
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119 |
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120 private void compileAndDeoptimize() throws Exception { |
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121 compile(); |
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122 waitBackgroundCompilation(); |
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123 WHITE_BOX.deoptimizeMethod(method); |
8051 | 124 } |
125 } |