Mercurial > hg > truffle
comparison test/compiler/profiling/TestUnexpectedProfilingMismatch.java @ 13078:e6ba215af802
8027631: "unexpected profiling mismatch" error with new type profiling
Summary: inlined method handle calls can call methods with different signatures
Reviewed-by: kvn, iveresov
author | roland |
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date | Wed, 13 Nov 2013 09:45:58 +0100 |
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13075:144b23411b51 | 13078:e6ba215af802 |
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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 | |
26 * @bug 8027631 | |
27 * @summary profiling of arguments at calls cannot rely on signature of callee for types | |
28 * @run main/othervm -XX:-BackgroundCompilation -XX:TieredStopAtLevel=3 -XX:TypeProfileLevel=111 -XX:Tier3InvocationThreshold=200 -XX:Tier0InvokeNotifyFreqLog=7 TestUnexpectedProfilingMismatch | |
29 * | |
30 */ | |
31 | |
32 import java.lang.invoke.*; | |
33 | |
34 public class TestUnexpectedProfilingMismatch { | |
35 | |
36 static class A { | |
37 } | |
38 | |
39 static class B { | |
40 } | |
41 | |
42 static void mA(A a) { | |
43 } | |
44 | |
45 static void mB(B b) { | |
46 } | |
47 | |
48 static final MethodHandle mhA; | |
49 static final MethodHandle mhB; | |
50 static { | |
51 MethodHandles.Lookup lookup = MethodHandles.lookup(); | |
52 MethodType mt = MethodType.methodType(void.class, A.class); | |
53 MethodHandle res = null; | |
54 try { | |
55 res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mA", mt); | |
56 } catch(NoSuchMethodException ex) { | |
57 } catch(IllegalAccessException ex) { | |
58 } | |
59 mhA = res; | |
60 mt = MethodType.methodType(void.class, B.class); | |
61 try { | |
62 res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mB", mt); | |
63 } catch(NoSuchMethodException ex) { | |
64 } catch(IllegalAccessException ex) { | |
65 } | |
66 mhB = res; | |
67 } | |
68 | |
69 void m1(A a, boolean doit) throws Throwable { | |
70 if (doit) { | |
71 mhA.invoke(a); | |
72 } | |
73 } | |
74 | |
75 void m2(B b) throws Throwable { | |
76 mhB.invoke(b); | |
77 } | |
78 | |
79 static public void main(String[] args) { | |
80 TestUnexpectedProfilingMismatch tih = new TestUnexpectedProfilingMismatch(); | |
81 A a = new A(); | |
82 B b = new B(); | |
83 try { | |
84 for (int i = 0; i < 256 - 1; i++) { | |
85 tih.m1(a, true); | |
86 } | |
87 // Will trigger the compilation but will also run once | |
88 // more interpreted with a non null MDO which it will | |
89 // update. Make it skip the body of the method. | |
90 tih.m1(a, false); | |
91 // Compile this one as well and do the profiling | |
92 for (int i = 0; i < 256; i++) { | |
93 tih.m2(b); | |
94 } | |
95 // Will run and see a conflict | |
96 tih.m1(a, true); | |
97 } catch(Throwable ex) { | |
98 ex.printStackTrace(); | |
99 } | |
100 System.out.println("TEST PASSED"); | |
101 } | |
102 } |