jdk8-mips64-public/hotspot: test/compiler/whitebox/IsMethodCompilableTest.java@4b2eebe03f93 (annotated)

test/compiler/whitebox/IsMethodCompilableTest.java@4b2eebe03f93 (annotated)

test/compiler/whitebox/IsMethodCompilableTest.java

Tue, 16 Apr 2013 10:04:01 -0700

author: iignatyev
date: Tue, 16 Apr 2013 10:04:01 -0700
changeset 4951: 4b2eebe03f93
parent 4908: b84fd7d73702
child 5512: 11237ee74aae
permissions: -rw-r--r--

8011971: WB API doesn't accept j.l.reflect.Constructor
Reviewed-by: kvn, vlivanov

 /*
  * Copyright (c) 2013, 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 IsMethodCompilableTest
  * @bug 8007270
  * @library /testlibrary /testlibrary/whitebox
  * @build IsMethodCompilableTest
  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI IsMethodCompilableTest
  * @summary testing of WB::isMethodCompilable()
  * @author igor.ignatyev@oracle.com
  */
 public class IsMethodCompilableTest extends CompilerWhiteBoxTest {
     /**
      * Value of {@code -XX:PerMethodRecompilationCutoff}
      */
     protected static final long PER_METHOD_RECOMPILATION_CUTOFF;
     static {
         long tmp = Long.parseLong(
                 getVMOption("PerMethodRecompilationCutoff", "400"));
         if (tmp == -1) {
             PER_METHOD_RECOMPILATION_CUTOFF = -1 /* Inf */;
         } else {
             PER_METHOD_RECOMPILATION_CUTOFF = 1 + (0xFFFFFFFFL & tmp);
         }
     }
     public static void main(String[] args) throws Exception {
         for (TestCase test : TestCase.values()) {
             new IsMethodCompilableTest(test).runTest();
         }
     }
     public IsMethodCompilableTest(TestCase testCase) {
         super(testCase);
         // to prevent inlining of #method
         WHITE_BOX.testSetDontInlineMethod(method, true);
     }
     /**
      * Tests {@code WB::isMethodCompilable()} by recompilation of tested method
      * 'PerMethodRecompilationCutoff' times and checks compilation status. Also
      * checks that WB::clearMethodState() clears no-compilable flags.
      *
      * @throws Exception if one of the checks fails.
      */
     @Override
     protected void test() throws Exception {
         if (!WHITE_BOX.isMethodCompilable(method)) {
             throw new RuntimeException(method + " must be compilable");
         }
         System.out.println("PerMethodRecompilationCutoff = "
                 + PER_METHOD_RECOMPILATION_CUTOFF);
         if (PER_METHOD_RECOMPILATION_CUTOFF == -1) {
             System.err.println(
                     "Warning: test is not applicable if PerMethodRecompilationCutoff == Inf");
             return;
         }
         // deoptimize 'PerMethodRecompilationCutoff' times and clear state
         for (long i = 0L, n = PER_METHOD_RECOMPILATION_CUTOFF - 1; i < n; ++i) {
             compileAndDeoptimize();
         }
         if (!WHITE_BOX.isMethodCompilable(method)) {
             throw new RuntimeException(method + " is not compilable after "
                     + (PER_METHOD_RECOMPILATION_CUTOFF - 1) + " iterations");
         }
         WHITE_BOX.clearMethodState(method);
         // deoptimize 'PerMethodRecompilationCutoff' + 1 times
         long i;
         for (i = 0L; i < PER_METHOD_RECOMPILATION_CUTOFF
                 && WHITE_BOX.isMethodCompilable(method); ++i) {
             compileAndDeoptimize();
         }
         if (i != PER_METHOD_RECOMPILATION_CUTOFF) {
             throw new RuntimeException(method + " is not compilable after "
                     + i + " iterations, but must only after "
                     + PER_METHOD_RECOMPILATION_CUTOFF);
         }
         if (WHITE_BOX.isMethodCompilable(method)) {
             throw new RuntimeException(method + " is still compilable after "
                     + PER_METHOD_RECOMPILATION_CUTOFF + " iterations");
         }
         compile();
         checkNotCompiled();
         // WB.clearMethodState() must reset no-compilable flags
         WHITE_BOX.clearMethodState(method);
         if (!WHITE_BOX.isMethodCompilable(method)) {
             throw new RuntimeException(method
                     + " is not compilable after clearMethodState()");
         }
         compile();
         checkCompiled();
     }
     private void compileAndDeoptimize() throws Exception {
         compile();
         waitBackgroundCompilation();
         WHITE_BOX.deoptimizeMethod(method);
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/whitebox/IsMethodCompilableTest.java@4b2eebe03f93 (annotated)

test/compiler/whitebox/IsMethodCompilableTest.java