jdk-24/test/hotspot/jtreg/compiler/loopopts/TestMissedOpaqueInPredicate.java
2022-07-18 07:08:49 +00:00

53 lines
2.0 KiB
Java

/*
* 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.
*/
/*
* @test
* @bug 8289127
* @summary Apache Lucene triggers: DEBUG MESSAGE: duplicated predicate failed which is impossible
* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation TestMissedOpaqueInPredicate
*/
public class TestMissedOpaqueInPredicate {
public static void main(String[] args) {
long[] tmp = new long[28];
long[] longs = new long[32];
for (int i = 0; i < 20_000; i++) {
test(tmp, longs);
}
}
private static void test(long[] tmp, long[] longs) {
for (int iter = 0, tmpIdx = 0, longsIdx = 28; iter < 4; ++iter, tmpIdx += 7, longsIdx += 1) {
long l0 = tmp[tmpIdx + 0] << 12;
l0 |= tmp[tmpIdx + 1] << 10;
l0 |= tmp[tmpIdx + 2] << 8;
l0 |= tmp[tmpIdx + 3] << 6;
l0 |= tmp[tmpIdx + 4] << 4;
l0 |= tmp[tmpIdx + 5] << 2;
l0 |= tmp[tmpIdx + 6] << 0;
longs[longsIdx + 0] = l0;
}
}
}