Mercurial > hg > truffle
diff test/compiler/8011706/Test8011706.java @ 9081:84ab5667f290
8011706: specjvm2008 test xml.transform gets array bound exception with c1
Summary: loop invariant code motion may move load before store to the same field
Reviewed-by: kvn
author | roland |
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date | Wed, 10 Apr 2013 09:52:49 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/8011706/Test8011706.java Wed Apr 10 09:52:49 2013 +0200 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8011706 + * @summary loop invariant code motion may move load before store to the same field + * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8011706 + * + */ + +public class Test8011706 { + int[] array; + + void m(boolean test, int[] array1, int[] array2) { + int i = 0; + if (test) { + array = array1; + } else { + array = array2; + } + + while(true) { + int v = array[i]; + i++; + if (i >= 10) return; + } + } + + static public void main(String[] args) { + int[] new_array = new int[10]; + Test8011706 ti = new Test8011706(); + boolean failed = false; + try { + for (int i = 0; i < 10000; i++) { + ti.array = null; + ti.m(true, new_array, new_array); + } + } catch(NullPointerException ex) { + throw new RuntimeException("TEST FAILED", ex); + } + System.out.println("TEST PASSED"); + } + +}