test/compiler/6823453/Test.java

/*
 * Copyright (c) 2009, Oracle and/or its affiliates. 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 6823453
 * @summary DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph")
 * @run main/othervm -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:CompileOnly=Test -XX:+DeoptimizeALot Test
 */

public class Test {

   static long vara_1 = 1L;

   static void testa() {
      short var_2 = (byte) 1.0E10;

      for ( Object temp = new byte[(byte)1.0E10];  true ;
            var_2 = "1".equals("0") ? ((byte) vara_1) : 1 ) {}
   }

   static void testb() {
      long var_1 = -1L;

      short var_2 = (byte) 1.0E10;

      for ( Object temp = new byte[(byte)1.0E10];  true ;
            var_2 = "1".equals("0") ? ((byte) var_1) : 1 ) {}
   }

   static void testc() {
      long var_1 = -1L;
      if (vara_1 > 0)  var_1 = 1L;

      int var_2 = (byte)var_1 - 128;

      for ( Object temp = new byte[var_2];  true ;
            var_2 = "1".equals("0") ? 2 : 1 ) {}
   }

   static void testd() {
      long var_1 = 0L;

      int var_2 = (byte)var_1 + 1;
      for (int i=0; i<2 ; i++)  var_2 = var_2 - 1;

      for ( Object temp = new byte[var_2];  true ;
            var_2 = "1".equals("0") ? 2 : 1 ) {}
   }

   public static void main(String[] args) throws Exception {
      int nex = 0;

      try {
         testa();
      }
      catch (java.lang.NegativeArraySizeException ex) { nex++; }
      try {
         testb();
      }
      catch (java.lang.NegativeArraySizeException ex) { nex++; }
      try {
         testc();
      }
      catch (java.lang.NegativeArraySizeException ex) { nex++; }
      try {
         testd();
      }
      catch (java.lang.NegativeArraySizeException ex) { nex++; }

      if (nex != 4)
        System.exit(97);
   }
}