| /* |
| * Copyright (c) 2020, 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 8254998 |
| * @summary C2: assert(!n->as_Loop()->is_transformed_long_loop()) failure with -XX:StressLongCountedLoop=1 |
| * @requires vm.compiler2.enabled & vm.gc.Parallel |
| * |
| * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:MaxRecursiveInlineLevel=26 -XX:MaxInlineLevel=26 -XX:LoopOptsCount=41 -XX:+UseParallelGC TestTooManyLoopOpts |
| * |
| */ |
| |
| public class TestTooManyLoopOpts { |
| private static volatile int field; |
| |
| public static void main(String[] args) { |
| test(0); |
| } |
| |
| private static void test(int stop) { |
| for (long l = 0; l < 10; l++) { |
| test_helper(stop, 26); |
| field = 0x42; |
| } |
| } |
| private static void test_helper(int stop, int rec) { |
| if (rec <= 0) { |
| return; |
| } |
| for (int i = 0; i < stop; i++) { |
| test_helper(stop, rec - 1); |
| } |
| } |
| } |
