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8286625: C2 fails with assert(!n->is_Store() && !n->is_LoadStore()) f…
…ailed: no node with a side effect Backport-of: 590337e2f229445e353e7c32e0dcff8d93e412d2
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53 changes: 53 additions & 0 deletions
53
test/hotspot/jtreg/compiler/loopopts/TestOverUnrolling2.java
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/* | ||
* Copyright (c) 2022, Red Hat, Inc. 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. | ||
*/ | ||
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/* | ||
* @test | ||
* @bug 8286625 | ||
* @key stress | ||
* @summary C2 fails with assert(!n->is_Store() && !n->is_LoadStore()) failed: no node with a side effect | ||
* @run main/othervm -XX:-BackgroundCompilation -XX:+StressIGVN -XX:StressSeed=4232417824 TestOverUnrolling2 | ||
* @run main/othervm -XX:-BackgroundCompilation -XX:+StressIGVN TestOverUnrolling2 | ||
*/ | ||
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public class TestOverUnrolling2 { | ||
public static void main(String[] args) { | ||
final byte[] large = new byte[1000]; | ||
final byte[] src = new byte[16]; | ||
for (int i = 0; i < 20_000; i++) { | ||
test_helper(large, large); | ||
test(src); | ||
} | ||
} | ||
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private static void test(byte[] src) { | ||
byte[] array = new byte[16]; | ||
test_helper(src, array); | ||
} | ||
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private static void test_helper(byte[] src, byte[] array) { | ||
for (int i = 0; i < src.length; i++) { | ||
array[array.length - 1 - i] = src[i]; | ||
} | ||
} | ||
} |
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