infernap12/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2026-05-28 06:13:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

8286967: Unproblemlist compiler/c2/irTests/TestSkeletonPredicates.java and add additional test for JDK-8286638

Browse Source 
Reviewed-by: kvn, thartmann
This commit is contained in:
Christian Hagedorn 2022-06-07 08:34:37 +00:00
parent 39fa52b5f7
commit dbf0905ff4
2 changed files with 77 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
test/hotspot/jtreg/ProblemList-Xcomp.txt
View File

@ -27,8 +27,6 @@
#
#############################################################################
compiler/c2/irTests/TestSkeletonPredicates.java 8286361 generic-all
vmTestbase/nsk/jvmti/SetFieldAccessWatch/setfldw001/TestDescription.java 8205957 generic-all
serviceability/jvmti/vthread/ContFramePopTest/ContFramePopTest.java 8278053 generic-all

77
test/hotspot/jtreg/compiler/rangechecks/TestRangeCheckCmpUOverflow.java Normal file
View File

@ -0,0 +1,77 @@
/*
* Copyright (c) 2022, 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
* @key stress randomness
* @requires vm.compiler2.enabled
* @bug 8286638
* @summary Dominator failure because CastII node becomes TOP while skeleton predicate cannot be folded
* due to insufficient overflow/underflow handling in CmpUNode::Value.
*
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbatch -XX:-UseLoopPredicate -XX:+StressIGVN -XX:StressSeed=680585904
* -XX:CompileCommand=compileonly,compiler.rangechecks.TestRangeCheckCmpUOverflow::test
* -XX:CompileCommand=inline,compiler.rangechecks.TestRangeCheckCmpUOverflow::inlined
* -XX:-DoEscapeAnalysis compiler.rangechecks.TestRangeCheckCmpUOverflow
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbatch -XX:-UseLoopPredicate -XX:+StressIGVN
* -XX:CompileCommand=compileonly,compiler.rangechecks.TestRangeCheckCmpUOverflow::test
* -XX:CompileCommand=inline,compiler.rangechecks.TestRangeCheckCmpUOverflow::inlined
* -XX:-DoEscapeAnalysis compiler.rangechecks.TestRangeCheckCmpUOverflow
*/
package compiler.rangechecks;
public class TestRangeCheckCmpUOverflow {
static volatile int barrier;
public static void main(String[] args) {
for (int i = 0; i < 10000; i++) {
run();
}
}
static void run() {
double[] array = new double[1000];
inlined(1000, array);
test(11);
}
static void inlined(int stop, double[] array1) {
for (int i = 8; i < stop; i++) {
if ((i % 2) == 0) {
array1[i] = 42.42;
} else {
barrier = 0x42;
}
}
}
static void test(int stop) {
double[] array1 = new double[10];
for (int j = 0; j < stop; j++) {
inlined(j, array1);
}
}
}