Mercurial > hg > graal-compiler
annotate test/compiler/6837094/Test.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 84770322b304 |
| children |
| rev | line source |
|---|---|
| 820 | 1 /* |
|
852
84770322b304
6861513: correct copyright attribution in test for 6837094 and 6860469
never
parents:
820
diff
changeset
|
2 * Copyright 2009 Google Inc. All Rights Reserved. |
| 820 | 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
852
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
852
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
852
diff
changeset
|
21 * questions. |
| 820 | 22 * |
| 23 */ | |
| 24 | |
| 25 /** | |
| 26 * @test | |
| 27 * @bug 6837094 | |
| 28 * @summary False positive for "meet not symmetric" failure | |
| 29 * | |
| 30 * @run main/othervm -Xbatch -XX:CompileOnly=Test.collectIs,Test$Factory$1.getArray,Test$Factory$2.getArray Test | |
| 31 */ | |
| 32 | |
| 33 import java.util.Set; | |
| 34 import java.util.HashSet; | |
| 35 | |
| 36 public class Test { | |
| 37 | |
| 38 private interface Factory<M extends Interface> { | |
| 39 Factory<Child0> Zero = new Factory<Child0>() { | |
| 40 public Child0[] getArray() { return new Child0[1]; } | |
| 41 }; | |
| 42 | |
| 43 Factory<Child1> One = new Factory<Child1>() { | |
| 44 public Child1[] getArray() { return new Child1[1]; } | |
| 45 }; | |
| 46 | |
| 47 M[] getArray(); | |
| 48 } | |
| 49 | |
| 50 /** | |
| 51 * C2 asserts when compiling this method. Bimorphic inlining happens at | |
| 52 * getArray call site. A Phi in the catch block tries to join the meet type | |
| 53 * from he inline site (Parent[]) with the type expected by CI (Interface[]). | |
| 54 * | |
| 55 * C2 throws an assert when it doesn't need to. | |
| 56 */ | |
| 57 private static <I extends Interface> void collectIs( | |
| 58 Factory<I> factory, Set<Interface> s) { | |
| 59 for (I i : factory.getArray()) { | |
| 60 try { | |
| 61 s.add(i); | |
| 62 } catch (Exception e) { | |
| 63 } | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 static public void main(String argv[]) { | |
| 68 Set<Interface> s = new HashSet(); | |
| 69 | |
| 70 for (int i = 0; i < 25000; i++) { | |
| 71 collectIs(Factory.Zero, s); | |
| 72 collectIs(Factory.One, s); | |
| 73 } | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 /** | |
| 78 * Establish necessary class hierarchy | |
| 79 */ | |
| 80 | |
| 81 interface Interface { | |
| 82 } | |
| 83 | |
| 84 class Parent { | |
| 85 } | |
| 86 | |
| 87 class Child0 extends Parent implements Interface { | |
| 88 } | |
| 89 | |
| 90 class Child1 extends Parent implements Interface { | |
| 91 } | |
| 92 | |
| 93 class Child2 extends Parent implements Interface { | |
| 94 } |