Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/c2/TestReplacedNodesOSR.java@b1f3fbe39975 (annotated)
test/compiler/c2/TestReplacedNodesOSR.java
Thu, 16 Feb 2017 15:14:44 -0800
- author
- roland
- date
- Thu, 16 Feb 2017 15:14:44 -0800
- changeset 8796
- b1f3fbe39975
- parent 8724
- e62be4f3f523
- permissions
- -rw-r--r--
8175097: [TESTBUG] 8174164 fix missed the test
Reviewed-by: kvn
| roland@8724 | 1 | /* |
| roland@8724 | 2 | * Copyright (c) 2017, Red Hat, Inc. All rights reserved. |
| roland@8724 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| roland@8724 | 4 | * |
| roland@8724 | 5 | * This code is free software; you can redistribute it and/or modify it |
| roland@8724 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| roland@8724 | 7 | * published by the Free Software Foundation. |
| roland@8724 | 8 | * |
| roland@8724 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| roland@8724 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| roland@8724 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| roland@8724 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| roland@8724 | 13 | * accompanied this code). |
| roland@8724 | 14 | * |
| roland@8724 | 15 | * You should have received a copy of the GNU General Public License version |
| roland@8724 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| roland@8724 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| roland@8724 | 18 | * |
| roland@8724 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| roland@8724 | 20 | * or visit www.oracle.com if you need additional information or have any |
| roland@8724 | 21 | * questions. |
| roland@8724 | 22 | */ |
| roland@8724 | 23 | |
| roland@8724 | 24 | /** |
| roland@8724 | 25 | * @test |
| roland@8724 | 26 | * @bug 8174164 |
| roland@8724 | 27 | * @summary SafePointNode::_replaced_nodes breaks with irreducible loops |
| roland@8724 | 28 | * @run main/othervm -XX:-BackgroundCompilation TestReplacedNodesOSR |
| roland@8724 | 29 | * |
| roland@8724 | 30 | */ |
| roland@8724 | 31 | |
| roland@8724 | 32 | public class TestReplacedNodesOSR { |
| roland@8724 | 33 | |
| roland@8724 | 34 | static Object dummy; |
| roland@8724 | 35 | |
| roland@8724 | 36 | static interface I { |
| roland@8724 | 37 | } |
| roland@8724 | 38 | |
| roland@8724 | 39 | static class A implements I { |
| roland@8724 | 40 | } |
| roland@8724 | 41 | |
| roland@8724 | 42 | static final class MyException extends Exception { |
| roland@8724 | 43 | } |
| roland@8724 | 44 | |
| roland@8724 | 45 | static final A obj = new A(); |
| roland@8724 | 46 | static I static_field() { return obj; } |
| roland@8724 | 47 | |
| roland@8724 | 48 | // When OSR compiled, this method has an irreducible loop |
| roland@8724 | 49 | static void test(int v, MyException e) { |
| roland@8724 | 50 | int i = 0; |
| roland@8724 | 51 | for (;;) { |
| roland@8724 | 52 | if (i == 1000) { |
| roland@8724 | 53 | break; |
| roland@8724 | 54 | } |
| roland@8724 | 55 | try { |
| roland@8724 | 56 | if ((i%2) == 0) { |
| roland@8724 | 57 | int j = 0; |
| roland@8724 | 58 | for (;;) { |
| roland@8724 | 59 | j++; |
| roland@8724 | 60 | if (i+j != v) { |
| roland@8724 | 61 | if (j == 1000) { |
| roland@8724 | 62 | break; |
| roland@8724 | 63 | } |
| roland@8724 | 64 | } else { |
| roland@8724 | 65 | A a = (A)static_field(); |
| roland@8724 | 66 | // replaced node recorded here |
| roland@8724 | 67 | throw e; |
| roland@8724 | 68 | } |
| roland@8724 | 69 | } |
| roland@8724 | 70 | } |
| roland@8724 | 71 | } catch(MyException ex) { |
| roland@8724 | 72 | } |
| roland@8724 | 73 | i++; |
| roland@8724 | 74 | // replaced node applied on return of the method |
| roland@8724 | 75 | // replaced node used here |
| roland@8724 | 76 | dummy = static_field(); |
| roland@8724 | 77 | } |
| roland@8724 | 78 | } |
| roland@8724 | 79 | |
| roland@8724 | 80 | |
| roland@8724 | 81 | static public void main(String[] args) { |
| roland@8724 | 82 | for (int i = 0; i < 1000; i++) { |
| roland@8724 | 83 | test(1100, new MyException()); |
| roland@8724 | 84 | } |
| roland@8724 | 85 | } |
| roland@8724 | 86 | } |
