1 /*
   2  * Copyright (c) 2019, Loongson Technology Co. Ltd. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 8224162
  27  * @summary Profile counter for a call site may overflow.
  28  * @run main/othervm -Xbatch -XX:-UseOnStackReplacement -XX:MaxTrivialSize=0 compiler.profiling.TestProfileCounterOverflow
  29  */
  30 
  31 package compiler.profiling;
  32 
  33 public class TestProfileCounterOverflow {
  34     public static void test(long iterations) {
  35         for (long j = 0; j < iterations; j++) {
  36             call();
  37         }
  38     }
  39 
  40     public static void call() {}
  41 
  42     public static void main(String[] args) {
  43         // trigger profiling on tier3
  44         for (int i = 0; i < 500; i++) {
  45             test(1);
  46         }
  47 
  48         test(Integer.MAX_VALUE + 10000L); // overflow call counter
  49 
  50         // trigger c2 compilation
  51         for (int i = 0; i < 10_000; i++) {
  52             test(1);
  53         }
  54         System.out.println("TEST PASSED");
  55     }
  56 }