jdk-24/test/hotspot/jtreg/compiler/loopopts/TestNotifyOpaqueZeroTripGuardToCmpI.java

49 lines
1.7 KiB
Java

/*
* Copyright (c) 2023, Oracle and/or its affiliates. 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 8316361
* @summary Test that if input to OpaqueZeroTripGuard changes, we notify down to CmpI.
* @run main/othervm -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:VerifyIterativeGVN=10
* -XX:CompileCommand=compileonly,compiler.loopopts.TestNotifyOpaqueZeroTripGuardToCmpI::test
* compiler.loopopts.TestNotifyOpaqueZeroTripGuardToCmpI
*/
package compiler.loopopts;
public class TestNotifyOpaqueZeroTripGuardToCmpI {
static int x, y;
public static void main(String[] strArr) {
test();
}
static void test() {
for (int i = 6; i < 43; i++) {
for (int j = i; j < 11; j++) {
x = y;
}
}
}
}