/* * Copyright (c) 2019, Loongson Technology Co. Ltd. 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 8224162 * @summary Profile counter for a call site may overflow. * @run main/othervm -Xbatch -XX:-UseOnStackReplacement -XX:MaxTrivialSize=0 compiler.profiling.TestProfileCounterOverflow */ package compiler.profiling; public class TestProfileCounterOverflow { public static void test(long iterations) { for (long j = 0; j < iterations; j++) { call(); } } public static void call() {} public static void main(String[] args) { // trigger profiling on tier3 for (int i = 0; i < 500; i++) { test(1); } test(Integer.MAX_VALUE + 10000L); // overflow call counter // trigger c2 compilation for (int i = 0; i < 10_000; i++) { test(1); } System.out.println("TEST PASSED"); } }