Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/8011706/Test8011706.java@fb9d124d9192 (annotated)
test/compiler/8011706/Test8011706.java
Wed, 21 May 2014 10:56:41 -0700
- author
- katleman
- date
- Wed, 21 May 2014 10:56:41 -0700
- changeset 6672
- fb9d124d9192
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
Added tag jdk8u20-b15 for changeset 8c785f9bde6f
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | /* |
| aoqi@0 | 25 | * @test |
| aoqi@0 | 26 | * @bug 8011706 |
| aoqi@0 | 27 | * @summary loop invariant code motion may move load before store to the same field |
| aoqi@0 | 28 | * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8011706 |
| aoqi@0 | 29 | * |
| aoqi@0 | 30 | */ |
| aoqi@0 | 31 | |
| aoqi@0 | 32 | public class Test8011706 { |
| aoqi@0 | 33 | int[] array; |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | void m(boolean test, int[] array1, int[] array2) { |
| aoqi@0 | 36 | int i = 0; |
| aoqi@0 | 37 | if (test) { |
| aoqi@0 | 38 | array = array1; |
| aoqi@0 | 39 | } else { |
| aoqi@0 | 40 | array = array2; |
| aoqi@0 | 41 | } |
| aoqi@0 | 42 | |
| aoqi@0 | 43 | while(true) { |
| aoqi@0 | 44 | int v = array[i]; |
| aoqi@0 | 45 | i++; |
| aoqi@0 | 46 | if (i >= 10) return; |
| aoqi@0 | 47 | } |
| aoqi@0 | 48 | } |
| aoqi@0 | 49 | |
| aoqi@0 | 50 | static public void main(String[] args) { |
| aoqi@0 | 51 | int[] new_array = new int[10]; |
| aoqi@0 | 52 | Test8011706 ti = new Test8011706(); |
| aoqi@0 | 53 | boolean failed = false; |
| aoqi@0 | 54 | try { |
| aoqi@0 | 55 | for (int i = 0; i < 10000; i++) { |
| aoqi@0 | 56 | ti.array = null; |
| aoqi@0 | 57 | ti.m(true, new_array, new_array); |
| aoqi@0 | 58 | } |
| aoqi@0 | 59 | } catch(NullPointerException ex) { |
| aoqi@0 | 60 | throw new RuntimeException("TEST FAILED", ex); |
| aoqi@0 | 61 | } |
| aoqi@0 | 62 | System.out.println("TEST PASSED"); |
| aoqi@0 | 63 | } |
| aoqi@0 | 64 | |
| aoqi@0 | 65 | } |
