72 lines
2.1 KiB
Java
72 lines
2.1 KiB
Java
/*
|
|
* Copyright (c) 2021, 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 8264360
|
|
* @summary Loop strip mining verification fails with "should be on the backedge"
|
|
*
|
|
* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation TestLoadOnBackedgeWithPrec
|
|
*
|
|
*/
|
|
|
|
|
|
class a {
|
|
int g = 20;
|
|
float h = 2;
|
|
long b = 6;
|
|
}
|
|
|
|
public class TestLoadOnBackedgeWithPrec {
|
|
int c ;
|
|
a[] i = {new a()};
|
|
float j() {
|
|
a k = new a();
|
|
float l = 5;
|
|
for (int d = 0; d < 8; ++d) {
|
|
for (int e = 0; e < 9; ++e) {
|
|
k = k;
|
|
l *= k.g;
|
|
}
|
|
for (int f = 0; f < 9; ++f) {
|
|
new a();
|
|
}
|
|
{
|
|
a[] m = {
|
|
new a(), new a(), new a(),
|
|
new a(), new a(), new a(),
|
|
new a(), new a(), new a()};
|
|
c = i[0].g + k.g;
|
|
}
|
|
}
|
|
return k.h;
|
|
}
|
|
public static void main(String[] args) {
|
|
TestLoadOnBackedgeWithPrec n = new TestLoadOnBackedgeWithPrec();
|
|
for (int i = 0; i < 5_000; i++) {
|
|
n.j();
|
|
}
|
|
}
|
|
}
|
|
|