/* * 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 -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,TestTopCastIIOnUndetectedDeadPath2::test -XX:-TieredCompilation * -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN -XX:StressSeed=256120824 TestTopCastIIOnUndetectedDeadPath2 * @run main/othervm -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,TestTopCastIIOnUndetectedDeadPath2::test -XX:-TieredCompilation * -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN TestTopCastIIOnUndetectedDeadPath2 */ public class TestTopCastIIOnUndetectedDeadPath2 { static int array[] = new int[100]; static int test() { int res = 0; for (int i = 1; i < 100; ++i) { try { res = array[i - 1]; int x = (42 % i); } catch (ArithmeticException e) { } } return res; } public static void main(String[] args) { for (int i = 0; i < 10_000; i++) { test(); } } }