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 8007294

  27  * @summary ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
  28  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8007294
  29  *
  30  */
  31 
  32 public class Test8007294 {
  33 
  34     int i1;
  35     int i2;
  36 
  37     Test8007294(int i1, int i2) {
  38         this.i1 = i1;
  39         this.i2 = i2;
  40     }
  41 
  42     static int m(int v) {
  43         return v;
  44     }
  45 
  46     static Test8007294 test1() {

  65         arr[0] = 1;
  66         arr[1] = 2;
  67         int v1 = arr[j];
  68         arr[0] = 3;
  69         arr[1] = 4;
  70 
  71         return v1;
  72     }
  73 
  74     static public void main(String[] args) {
  75         boolean failed = false;
  76         for (int i = 0; i < 20000; i++) {
  77             Test8007294 obj = test1();
  78             if (obj.i1 != 100 || obj.i2 != 10) {
  79                 System.out.println("FAILED test1 obj.i1 = " + obj.i1 +", obj.i2 = " + obj.i2);
  80                 failed = true;
  81                 break;
  82             }
  83         }
  84         for (int i = 0; i < 20000; i++) {

  85             int res = test2(1);
  86             if (res != 2) {
  87                 System.out.println("FAILED test2 = " + res);
  88                 failed = true;
  89                 break;
  90             }
  91         }
  92         if (failed) {
  93             System.exit(97);
  94         } else {
  95             System.out.println("PASSED");
  96         }
  97     }
  98 }

   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 8007294
  27  * @bug 8146999
  28  * @summary ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
  29  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8007294
  30  *
  31  */
  32 
  33 public class Test8007294 {
  34 
  35     int i1;
  36     int i2;
  37 
  38     Test8007294(int i1, int i2) {
  39         this.i1 = i1;
  40         this.i2 = i2;
  41     }
  42 
  43     static int m(int v) {
  44         return v;
  45     }
  46 
  47     static Test8007294 test1() {

  66         arr[0] = 1;
  67         arr[1] = 2;
  68         int v1 = arr[j];
  69         arr[0] = 3;
  70         arr[1] = 4;
  71 
  72         return v1;
  73     }
  74 
  75     static public void main(String[] args) {
  76         boolean failed = false;
  77         for (int i = 0; i < 20000; i++) {
  78             Test8007294 obj = test1();
  79             if (obj.i1 != 100 || obj.i2 != 10) {
  80                 System.out.println("FAILED test1 obj.i1 = " + obj.i1 +", obj.i2 = " + obj.i2);
  81                 failed = true;
  82                 break;
  83             }
  84         }
  85         for (int i = 0; i < 20000; i++) {
  86             test2(0);  // pollute profile
  87             int res = test2(1);
  88             if (res != 2) {
  89                 System.out.println("FAILED test2 = " + res);
  90                 failed = true;
  91                 break;
  92             }
  93         }
  94         if (failed) {
  95             System.exit(97);
  96         } else {
  97             System.out.println("PASSED");
  98         }
  99     }
 100 }