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/*
* Copyright (c) 2021, 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
* @bug 8259227
* @summary Verify that zero check is executed before division/modulo operation.
* @requires vm.compiler2.enabled
* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=compiler/loopopts/TestDivZeroDominatedBy::test
* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM compiler.loopopts.TestDivZeroDominatedBy
* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=compiler/loopopts/TestDivZeroDominatedBy::test
* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM compiler.loopopts.TestDivZeroDominatedBy
*/
package compiler.loopopts;
public class TestDivZeroDominatedBy {
public static int iFld = 1;
public static int iFld1 = 2;
public static int iFld2 = 3;
public static int iArrFld[] = new int[10];
public static double dFld = 1.0;
public static void test() {
int x = 1;
int y = 2;
int z = 3;
iFld = y;
iArrFld[5] += iFld1;
int i = 1;
do {
for (int j = 0; j < 10; j++) {
iFld2 += iFld2;
iFld1 = iFld2;
int k = 1;
do {
iArrFld[k] = y;
z = iFld2;
dFld = x;
try {
y = iArrFld[k];
iArrFld[8] = 5;
iFld = (100 / z);
} catch (ArithmeticException a_e) {}
} while (++k < 2);
}
} while (++i < 10);
}
public static void main(String[] strArr) {
test();
}
}
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