82 lines
2.4 KiB
Java
82 lines
2.4 KiB
Java
/*
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* Copyright (c) 2020, Huawei Technologies Co., Ltd. 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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* @test
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* @bug 8250609
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* @summary C2 crash in IfNode::fold_compares
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*
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* @run main/othervm -XX:CompileOnly=compiler.c2.TestFoldCompares::test
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* -XX:-BackgroundCompilation compiler.c2.TestFoldCompares
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*/
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package compiler.c2;
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public class TestFoldCompares {
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public int test() {
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byte by = -37;
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int result = 1;
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int iArr[] = new int[6];
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for (int i = 0; i < iArr.length; i++) {
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iArr[i] = 0;
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}
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for (int i = 16; i < 308; i++) {
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result *= i;
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if ((result--) <= (++by)) {
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continue;
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}
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for (int j = 3; j < 86; j++) {
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for (int k = 1; k < 2; k++) {
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result >>= 25;
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}
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for (int k = 1; k < 2; k += 3) {
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try {
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iArr[k] = (16986 / result);
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} catch (ArithmeticException a_e) {
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}
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result = k;
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}
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}
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}
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return result;
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}
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public static void main(String[] args) {
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TestFoldCompares obj = new TestFoldCompares();
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for (int i = 0; i < 10; i++) {
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int result = obj.test();
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if (result != 1) {
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throw new RuntimeException("Test failed.");
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}
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}
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System.out.println("Test passed.");
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}
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}
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