infernap12/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2026-05-05 03:05:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

8230238: Add another regression test for JDK-8134739

Browse Source 
Reviewed-by: kvn
This commit is contained in:
Aleksey Shipilev 2019-09-02 11:31:12 +02:00
parent b7821ad399
commit 5110530d5b
1 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
test/hotspot/jtreg/compiler/loopopts/superword/TestFuzzPreLoop.java Normal file
View File

@ -0,0 +1,65 @@
/*
* Copyright (c) 2019, 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 8134739
* @summary SEGV in SuperWord::get_pre_loop_end
* @run main/othervm compiler.loopopts.superword.TestFuzzPreLoop
*/
package compiler.loopopts.superword;
public class TestFuzzPreLoop {
static Object sink;
short sFld = -19206;
void doTest() {
int[] arr = new int[400];
for (int i1 = 0; i1 < 200; i1++) {
for (int i2 = 0; i2 < 100; i2++) {
sink = new int[400];
}
arr[i1] = 0;
}
float f1 = 0;
for (int i3 = 0; i3 < 200; i3++) {
f1 += i3 * i3;
}
for (int i4 = 0; i4 < 200; i4++) {
f1 += i4 - sFld;
}
System.out.println(arr);
System.out.println(f1);
}
public static void main(String... args) throws Exception {
TestFuzzPreLoop test = new TestFuzzPreLoop();
for (int i = 0; i < 100; i++) {
test.doTest();
}
}
}