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.core.test.deopt;
  24 

  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.core.test.GraalCompilerTest;
  28 import org.graalvm.compiler.core.test.ea.EATestBase.TestClassObject;
  29 
  30 /**
  31  * In the following tests, we try to deoptimize out of synchronized methods.
  32  */
  33 public class SynchronizedMethodDeoptimizationTest extends GraalCompilerTest {
  34 
  35     public static final TestClassObject testObject = null;
  36 
  37     public static synchronized Object testMethodSynchronized(Object o) {
  38         if (o == null) {
  39             // this branch will always deoptimize
  40             return testObject.x;
  41         }
  42         return o;
  43     }
  44 
  45     @Test
  46     public void test1() {



  47         test("testMethodSynchronized", "test");
  48         test("testMethodSynchronized", (Object) null);
  49     }
  50 }

   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.core.test.deopt;
  24 
  25 import org.junit.Assume;
  26 import org.junit.Test;
  27 
  28 import org.graalvm.compiler.core.test.GraalCompilerTest;
  29 import org.graalvm.compiler.core.test.ea.EATestBase.TestClassObject;
  30 
  31 /**
  32  * In the following tests, we try to deoptimize out of synchronized methods.
  33  */
  34 public class SynchronizedMethodDeoptimizationTest extends GraalCompilerTest {
  35 
  36     public static final TestClassObject testObject = null;
  37 
  38     public static synchronized Object testMethodSynchronized(Object o) {
  39         if (o == null) {
  40             // this branch will always deoptimize
  41             return testObject.x;
  42         }
  43         return o;
  44     }
  45 
  46     @Test
  47     public void test1() {
  48         // https://bugs.openjdk.java.net/browse/JDK-8182755
  49         Assume.assumeTrue(Java8OrEarlier);
  50 
  51         test("testMethodSynchronized", "test");
  52         test("testMethodSynchronized", (Object) null);
  53     }
  54 }