1 /*
   2  * Copyright (c) 2013, Oracle and/or its affiliates. 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 8028198
  27  * @summary Verify that split through phi does the right thing
  28  * @compile SplitThruPhiTest.java
  29  * @run main SplitThruPhiTest -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseMathExactIntrinsics
  30  *
  31  */
  32 
  33 public class SplitThruPhiTest {
  34   public static volatile int value = 19;
  35   public static int store = 0;
  36   public static void main(String[] args) {
  37     for (int i = 0; i < 150000; ++i) {
  38       store = runTest(value);
  39     }
  40   }
  41 
  42   public static int runTest(int val) {
  43     int result = Math.addExact(val, 1);
  44     int total = 0;
  45     for (int i = val; i < 200; i = Math.addExact(i, 1)) {
  46       total += i;
  47     }
  48     return total;
  49   }
  50 }