c64595190f
Co-authored-by: Goetz Lindenmaier <goetz.lindenmaier@sap.com> Reviewed-by: goetz, sangheki
64 lines
2.5 KiB
Java
64 lines
2.5 KiB
Java
/*
|
|
* Copyright (c) 2018, 2019, 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 TestVerifyStackAfterDeopt
|
|
* @bug 8148871
|
|
* @bug 8209825
|
|
* @summary Checks VerifyStack after deoptimization of array allocation slow call
|
|
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:TieredStopAtLevel=1
|
|
* -XX:AllocatePrefetchLines=1 -XX:AllocateInstancePrefetchLines=1 -XX:AllocatePrefetchStepSize=16 -XX:AllocatePrefetchDistance=1
|
|
* -XX:MinTLABSize=1k -XX:TLABSize=1k
|
|
* -XX:+DeoptimizeALot -XX:+VerifyStack
|
|
* compiler.interpreter.TestVerifyStackAfterDeopt
|
|
*/
|
|
|
|
package compiler.interpreter;
|
|
|
|
public class TestVerifyStackAfterDeopt {
|
|
|
|
private long method(long l1, long l2, Object[] a) {
|
|
return l1 + l2;
|
|
}
|
|
|
|
private long result[] = new long[1];
|
|
|
|
private void test() {
|
|
// For the array allocation, C1 emits a slow call into the runtime
|
|
// that deoptimizes the caller frame due to -XX:+DeoptimizeALot.
|
|
// The VerifyStack code then gets confused because the following
|
|
// bytecode instruction is an invoke and the interpreter oop map
|
|
// generator reports the oop map after execution of that invoke.
|
|
this.result[0] = method(1L, 2L, new Object[0]);
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
TestVerifyStackAfterDeopt t = new TestVerifyStackAfterDeopt();
|
|
// Run long enough for C1 compilation to trigger and TLAB to fill up
|
|
for (int i = 0; i < 100_000; ++i) {
|
|
t.test();
|
|
}
|
|
}
|
|
}
|