jdk-24/test/hotspot/jtreg/compiler/loopopts/TestLongCountedLoopInInfiniteLoop.java
Roland Westrelin e203df46fa 8338100: C2: assert(!n_loop->is_member(get_loop(lca))) failed: control must not be back in the loop
Co-authored-by: Emanuel Peter <epeter@openjdk.org>
Reviewed-by: chagedorn, thartmann
2024-09-05 15:51:27 +00:00

46 lines
1.9 KiB
Java

/*
* Copyright (c) 2024, 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 8336478
* @summary C2: assert(!n->as_Loop()->is_loop_nest_inner_loop() || _loop_opts_cnt == 0) failed: should have been turned into a counted loop
* @compile LongCountedLoopInInfiniteLoop.jasm
* @run main/othervm -XX:+UnlockExperimentalVMOptions -Xcomp -XX:PerMethodTrapLimit=0 -XX:PerMethodSpecTrapLimit=0
* -XX:+IgnoreUnrecognizedVMOptions -XX:StressLongCountedLoop=2000000
* -XX:CompileCommand=compileonly,TestLongCountedLoopInInfiniteLoop::test TestLongCountedLoopInInfiniteLoop
*/
public class TestLongCountedLoopInInfiniteLoop {
public static void main(String[] args) {
LongCountedLoopInInfiniteLoop obj = new LongCountedLoopInInfiniteLoop();
test(false, obj);
}
private static void test(boolean flag, LongCountedLoopInInfiniteLoop obj) {
if (flag) {
obj.test();
}
}
}