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/*
* Copyright (c) 2018, 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 8213419
* @summary C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1
*
* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement MultiplyByIntegerMinHang
*
*/
public class MultiplyByIntegerMinHang {
public static void main(String[] args) {
for (int i = 0; i < 20_000; i++) {
if (test1(0) != 0) {
throw new RuntimeException("incorrect result");
}
if (test1(1) != Integer.MIN_VALUE) {
throw new RuntimeException("incorrect result");
}
if (test1(2) != 0) {
throw new RuntimeException("incorrect result");
}
if (test2(0) != 0) {
throw new RuntimeException("incorrect result");
}
if (test2(1) != Long.MIN_VALUE) {
throw new RuntimeException("incorrect result");
}
if (test2(2) != 0) {
throw new RuntimeException("incorrect result");
}
}
}
private static int test1(int v) {
return v * Integer.MIN_VALUE;
}
private static long test2(long v) {
return v * Long.MIN_VALUE;
}
}
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