/* * Copyright (c) 2024, 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 * @bug 8327423 * @summary Test empty loop removal of pre-loop, with different main-loop after it. * @run main/othervm -Xcomp * -XX:CompileCommand=compileonly,compiler.loopopts.TestEmptyPreLoopForDifferentMainLoop::test * compiler.loopopts.TestEmptyPreLoopForDifferentMainLoop * @run main compiler.loopopts.TestEmptyPreLoopForDifferentMainLoop */ package compiler.loopopts; public class TestEmptyPreLoopForDifferentMainLoop { static int sink; public static void main(String args[]) { test(false); } static void test(boolean flag) { int x = 8; for (int j = 0; j < 100; j++) { for (int k = 0; k < 100; k++) { if (flag) { x += k; sink = 42; } } if (flag) { break; } } } }