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/*
* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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 8272574
* @summary Crashes in PhaseIdealLoop::build_loop_late_post_work
* @requires vm.compiler2.enabled
*
* @run main TestLoopPredicateDep
*
*/
public class TestLoopPredicateDep {
public static void getPermutations(byte[] inputArray, byte[][] outputArray) {
int[] indexes = new int[]{0, 2};
for (int a = 0; a < a + 16; a++) {
int oneIdx = indexes[0]++;
for (int b = a + 1; b < inputArray.length; b++) {
int twoIdx = indexes[1]++;
outputArray[twoIdx][0] = inputArray[a];
outputArray[twoIdx][1] = inputArray[b];
}
}
}
public static void main(String[] args) {
final byte[] inputArray = new byte[]{0, 1};
final byte[][] outputArray = new byte[3][2];
for (int i = 0; i < 10; ++i) {
Thread t = new Thread(new Runnable() {
public void run() {
for (int i = 0; i < 1000000; i++) {
getPermutations(inputArray, outputArray);
}
}
});
t.setDaemon(true);
t.start();
try {
Thread.sleep(100);
} catch (Exception e) {
}
}
}
}
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