/* * Copyright (c) 2022, 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 8286177 * @summary Test that inconsistent reduction node-loop state does not trigger * assertion failures when the inconsistency does not lead to a * miscompilation. * @run main/othervm -Xbatch compiler.loopopts.superword.TestHoistedReductionNode */ package compiler.loopopts.superword; public class TestHoistedReductionNode { static boolean b = true; static int test() { int acc = 0; int i = 0; do { int j = 0; do { if (b) { acc += j; } j++; } while (j < 5); i++; } while (i < 100); return acc; } public static void main(String[] args) { for (int i = 0; i < 10_000; i++) { test(); } } }