Mercurial > hg > graal-jvmci-8
comparison test/compiler/whitebox/IsMethodCompilableTest.java @ 8051:12e01444ca2d
8006683: Add WhiteBox API to testing of compiler
Reviewed-by: kvn, vlivanov
author | iignatyev |
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date | Wed, 13 Feb 2013 08:29:04 -0800 |
parents | |
children | 1b0dc9f87e75 |
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8050:aaad39923cdb | 8051:12e01444ca2d |
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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 | |
27 * @compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI CompilerWhiteBoxTest.java | |
28 * @compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI IsMethodCompilableTest.java | |
29 * @run main/othervm/timeout=600 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI IsMethodCompilableTest | |
30 * @author igor.ignatyev@oracle.com | |
31 */ | |
32 public class IsMethodCompilableTest extends CompilerWhiteBoxTest { | |
33 protected static final long PER_METHOD_RECOMPILATION_CUTOFF; | |
34 | |
35 static { | |
36 long tmp = Long.parseLong( | |
37 getVMOption("PerMethodRecompilationCutoff", "400")); | |
38 if (tmp == -1) { | |
39 PER_METHOD_RECOMPILATION_CUTOFF = -1 /* Inf */; | |
40 } else { | |
41 PER_METHOD_RECOMPILATION_CUTOFF = 1 + (0xFFFFFFFFL & tmp); | |
42 } | |
43 } | |
44 | |
45 public static void main(String[] args) throws Exception { | |
46 new IsMethodCompilableTest().runTest(); | |
47 } | |
48 | |
49 protected void test() throws Exception { | |
50 if (!WHITE_BOX.isMethodCompilable(METHOD)) { | |
51 throw new RuntimeException(METHOD + " must be compilable"); | |
52 } | |
53 System.out.println("PerMethodRecompilationCutoff = " | |
54 + PER_METHOD_RECOMPILATION_CUTOFF); | |
55 if (PER_METHOD_RECOMPILATION_CUTOFF == -1) { | |
56 System.err.println( | |
57 "Warning: test is not applicable if PerMethodRecompilationCutoff == Inf"); | |
58 return; | |
59 } | |
60 // to prevent inlining #method into #compile() | |
61 WHITE_BOX.setDontInlineMethod(METHOD, true); | |
62 boolean madeNotCompilable = false; | |
63 | |
64 for (long i = 0; i < PER_METHOD_RECOMPILATION_CUTOFF; ++i) { | |
65 compile(); | |
66 waitBackgroundCompilation(METHOD); | |
67 WHITE_BOX.deoptimizeMethod(METHOD); | |
68 if (!WHITE_BOX.isMethodCompilable(METHOD)) { | |
69 madeNotCompilable = true; | |
70 break; | |
71 } | |
72 } | |
73 if (!madeNotCompilable) { | |
74 throw new RuntimeException(METHOD + " is still compilable after " | |
75 + PER_METHOD_RECOMPILATION_CUTOFF + " iterations"); | |
76 } | |
77 compile(); | |
78 if (WHITE_BOX.isMethodCompiled(METHOD)) { | |
79 printInfo(METHOD); | |
80 throw new RuntimeException( | |
81 METHOD + " is not compilable but compiled"); | |
82 } | |
83 } | |
84 } |