69 lines
2.6 KiB
Java
69 lines
2.6 KiB
Java
/*
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* Copyright (c) 2021, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test
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* @key stress randomness
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* @bug 8257822
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* @summary Verify that zero check is executed before division/modulo operation.
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* @requires vm.compiler2.enabled
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* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=compiler.loopopts.TestDivZeroWithSplitIf::test
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:StressSeed=873732072 compiler.loopopts.TestDivZeroWithSplitIf
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* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=compiler.loopopts.TestDivZeroWithSplitIf::test
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM compiler.loopopts.TestDivZeroWithSplitIf
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*/
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package compiler.loopopts;
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public class TestDivZeroWithSplitIf {
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public static int iArrFld[] = new int[10];
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public static void test() {
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int x = 20;
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int y = 0;
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int z = 10;
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for (int i = 9; i < 99; i += 2) {
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for (int j = 3; j < 100; j++) {
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for (int k = 1; k < 2; k++) {
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try {
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x = (-65229 / y); // Division by zero
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z = (iArrFld[5] / 8); // RangeCheckNode
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} catch (ArithmeticException a_e) {}
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try {
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y = (-38077 / y);
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z = (y / 9);
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} catch (ArithmeticException a_e) {}
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y = 8;
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z += k;
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}
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}
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}
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}
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public static void main(String[] strArr) {
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for (int i = 0; i < 10; i++) {
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test();
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}
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}
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}
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