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 import sun.hotspot.WhiteBox;
  25 import java.lang.reflect.Executable;
  26 import java.lang.reflect.Method;
  27 import compiler.whitebox.CompilerWhiteBoxTest;
  28 
  29 /*
  30  * @test DeoptimizeMultipleOSRTest
  31  * @bug 8061817

  32  * @library /testlibrary /test/lib /
  33  * @modules java.base/jdk.internal.misc
  34  * @modules java.management
  35  * @build DeoptimizeMultipleOSRTest
  36  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  37  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  38  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,DeoptimizeMultipleOSRTest::triggerOSR DeoptimizeMultipleOSRTest
  39  * @summary testing of WB::deoptimizeMethod()

  40  */







  41 public class DeoptimizeMultipleOSRTest {
  42     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  43     private static final long BACKEDGE_THRESHOLD = 150000;
  44     private Method method;
  45     private int counter = 0;
  46 
  47     public static void main(String[] args) throws Exception {
  48         DeoptimizeMultipleOSRTest test = new DeoptimizeMultipleOSRTest();
  49         test.test();
  50     }
  51 
  52     /**
  53      * Triggers two different OSR compilations for the same method and
  54      * checks if WhiteBox.deoptimizeMethod() deoptimizes both.
  55      *
  56      * @throws Exception
  57      */
  58     public void test() throws Exception {
  59         method = DeoptimizeMultipleOSRTest.class.getDeclaredMethod("triggerOSR", boolean.class, long.class);
  60         // Trigger two OSR compiled versions

   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 /*
  26  * @test DeoptimizeMultipleOSRTest
  27  * @bug 8061817
  28  * @summary testing of WB::deoptimizeMethod()
  29  * @library /testlibrary /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @build compiler.whitebox.DeoptimizeMultipleOSRTest
  33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  34  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  36  *                   -XX:CompileCommand=compileonly,DeoptimizeMultipleOSRTest::triggerOSR
  37  *                   compiler.whitebox.DeoptimizeMultipleOSRTest
  38  */
  39 
  40 package compiler.whitebox;
  41 
  42 import sun.hotspot.WhiteBox;
  43 
  44 import java.lang.reflect.Method;
  45 
  46 public class DeoptimizeMultipleOSRTest {
  47     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  48     private static final long BACKEDGE_THRESHOLD = 150000;
  49     private Method method;
  50     private int counter = 0;
  51 
  52     public static void main(String[] args) throws Exception {
  53         DeoptimizeMultipleOSRTest test = new DeoptimizeMultipleOSRTest();
  54         test.test();
  55     }
  56 
  57     /**
  58      * Triggers two different OSR compilations for the same method and
  59      * checks if WhiteBox.deoptimizeMethod() deoptimizes both.
  60      *
  61      * @throws Exception
  62      */
  63     public void test() throws Exception {
  64         method = DeoptimizeMultipleOSRTest.class.getDeclaredMethod("triggerOSR", boolean.class, long.class);
  65         // Trigger two OSR compiled versions