1 /*
   2  * Copyright (c) 2011, 2012, 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 package org.graalvm.compiler.jtt.hotspot;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.jtt.JTTTest;
  28 
  29 /**
  30  * @test
  31  * @bug 6753639
  32  * @summary Strange optimisation in for loop with cyclic integer condition
  33  *
  34  * @run main/othervm -Xbatch Test6753639
  35  */
  36 // @formatter:off
  37 public class Test6753639 extends JTTTest {
  38 
  39     public static int test() {
  40         int end = Integer.MAX_VALUE;
  41         int count = 0;
  42         for (int i = Integer.MAX_VALUE - 5; i <= end; i++) {
  43             count++;
  44             if (count > 100000) {
  45                 return 95;
  46             }
  47         }
  48         return 97;
  49     }
  50 
  51     @Test
  52     public void run0() throws Throwable {
  53         runTest("test");
  54     }
  55 
  56 }