jdk-24/test/hotspot/jtreg/compiler/regalloc/TestGCMRecalcPressureNodes.java
casparcwang 0f428ca533 8272570: C2: crash in PhaseCFG::global_code_motion
Co-authored-by: Hui Shi <hshi@openjdk.org>
Reviewed-by: thartmann, rbackman
2021-08-25 01:16:48 +00:00

54 lines
1.7 KiB
Java

/*
* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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
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*/
/**
* @test
* @bug 8272570
* @summary crash in PhaseCFG::global_code_motion
* @requires vm.compiler2.enabled
*
* @run main/othervm -Xbatch TestGCMRecalcPressureNodes
*/
public class TestGCMRecalcPressureNodes {
public boolean bo0;
public boolean bo1;
public void foo() {
int sh12 = 61;
for (int i = 0; i < 50; i++) {
sh12 *= 34;
}
Math.tan(1.0);
bo0 = true;
bo1 = true;
}
public static void main(String[] args) {
TestGCMRecalcPressureNodes instance = new TestGCMRecalcPressureNodes();
for (int i = 0; i < 50000; i++) {
instance.foo();
}
}
}