/* * 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 8284944 * @requires vm.compiler2.enabled * @summary triggers the loop optimization phase `LoopOptsCount` many times * @run main/othervm -Xcomp -XX:-PartialPeelLoop -XX:CompileCommand=compileonly,TestMaxLoopOptsCountReached::test TestMaxLoopOptsCountReached */ import java.lang.System.Logger.Level; public class TestMaxLoopOptsCountReached { static Long a = Long.valueOf(42); class A { static String e(long f, boolean b, String g, Level h, String s, Object... i) { return "message" + s + new String() + g; } } public static void main(String[] args) { test(null, "", null, null); test(null, "", null, null); } static void test(Integer o, String g, String name, Object obj) { for (Level q : Level.values()) for (Level r : Level.values()) A.e(a.longValue(), q != Level.OFF, g, null, null); for (Level q : Level.values()) for (Level r : Level.values()) A.e(a.longValue(), q != Level.OFF, g, null, null); for (Level q : Level.values()) { for (Level r : Level.values()) { String msg = q + "message"; String val = (q != Level.OFF || name != msg) ? A.e(a.longValue(), q != Level.OFF, g, null, null, "foo") : null; } for (Level r : Level.values()) { String msg = q + "message"; String val = (q != Level.OFF || name != msg) ? A.e(a.longValue(), q != Level.OFF, g, null, null, "foo") : null; } } for (Level q : Level.values()) { for (Level r : Level.values()) { String msg = q + "message"; String val = (q != Level.OFF || name != msg) ? A.e(a.longValue(), q != Level.OFF, g, null, null, "foo") : null; } for (Level r : Level.values()) { String msg = q + "message"; String val = (q != Level.OFF || name != msg) ? A.e(a.longValue(), q != Level.OFF, g, null, null, "foo") : null; } } for (Level q : Level.values()) { for (Level r : Level.values()) { String msg = q + "message"; String val = (q != Level.OFF || name != msg) ? A.e(a.longValue(), q != Level.OFF, g, null, null, "foo") : null; } for (Level r : Level.values()) ; } for (Level q : Level.values()) { for (Level r : Level.values()) ; for (Level r : Level.values()) ; } for (Level q : Level.values()) { for (Level r : Level.values()) { String msg = q + "message"; String val = (q != Level.OFF || name != msg) ? A.e(a.longValue(), q != Level.OFF, g, null, null, "foo") : null; } for (Level r : Level.values()) ; } for (Level q : Level.values()) { for (Level r : Level.values()) ; for (Level r : Level.values()) ; } } }