54 lines
2.0 KiB
Java
54 lines
2.0 KiB
Java
/*
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* Copyright (c) 2022, Red Hat, Inc. 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 8286625
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* @key stress
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* @summary C2 fails with assert(!n->is_Store() && !n->is_LoadStore()) failed: no node with a side effect
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-BackgroundCompilation -XX:+StressIGVN -XX:StressSeed=4232417824 TestOverUnrolling2
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-BackgroundCompilation -XX:+StressIGVN TestOverUnrolling2
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*/
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public class TestOverUnrolling2 {
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public static void main(String[] args) {
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final byte[] large = new byte[1000];
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final byte[] src = new byte[16];
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for (int i = 0; i < 20_000; i++) {
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test_helper(large, large);
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test(src);
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}
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}
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private static void test(byte[] src) {
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byte[] array = new byte[16];
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test_helper(src, array);
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}
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private static void test_helper(byte[] src, byte[] array) {
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for (int i = 0; i < src.length; i++) {
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array[array.length - 1 - i] = src[i];
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}
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}
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}
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