| /* |
| * Copyright (c) 2023, 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 8319372 |
| * @summary CastII because of condition guarding it becomes top |
| * @requires vm.compiler2.enabled |
| * @run main/othervm -Xcomp -XX:CompileOnly=TestTopCastIIOnUndetectedDeadPath::test -XX:CompileCommand=quiet -XX:-TieredCompilation |
| * -XX:+UnlockDiagnosticVMOptions -XX:StressSeed=426264791 -XX:+StressIGVN TestTopCastIIOnUndetectedDeadPath |
| * @run main/othervm -Xcomp -XX:CompileOnly=TestTopCastIIOnUndetectedDeadPath::test -XX:CompileCommand=quiet -XX:-TieredCompilation |
| * -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN TestTopCastIIOnUndetectedDeadPath |
| */ |
| |
| public class TestTopCastIIOnUndetectedDeadPath { |
| static class X { |
| static void m(int[] a) { |
| |
| } |
| } |
| |
| static int array[] = new int[10]; |
| |
| static void test(int val) { |
| for (int i = 1; i < 10; ++i) { |
| for (int j = i; j < 10; ++j) { |
| if (i == 0 && j != 0) { |
| X.m(array); |
| } |
| array[j - 1] = val; |
| } |
| } |
| } |
| |
| public static void main(String[] arg) { |
| test(42); |
| } |
| } |
