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