1 /*
   2  * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   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  * @test EnqueueMethodForCompilationTest
  26  * @bug 8006683 8007288 8022832
  27  * @summary testing of WB::enqueueMethodForCompilation()
  28  * @library /testlibrary /test/lib /
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @build compiler.whitebox.EnqueueMethodForCompilationTest
  32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  33  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI -XX:+PrintCompilation -XX:-UseCounterDecay
  36  *                   compiler.whitebox.EnqueueMethodForCompilationTest
  37  */
  38 
  39 package compiler.whitebox;
  40 
  41 public class EnqueueMethodForCompilationTest extends CompilerWhiteBoxTest {
  42 
  43     public static void main(String[] args) throws Exception {
  44         String directive =
  45                 "[{ match:\"*SimpleTestCaseHelper.*\", BackgroundCompilation: false }, " +
  46                 " { match:\"*.*\", inline:\"-*SimpleTestCaseHelper.*\"}]";
  47         if (WHITE_BOX.addCompilerDirective(directive) != 2) {
  48             throw new RuntimeException("Could not add directive");
  49         }
  50         try {
  51             CompilerWhiteBoxTest.main(EnqueueMethodForCompilationTest::new, args);
  52         } finally {
  53             WHITE_BOX.removeCompilerDirective(2);
  54         }
  55     }
  56 
  57     private EnqueueMethodForCompilationTest(TestCase testCase) {
  58         super(testCase);
  59         // to prevent inlining of #method
  60         WHITE_BOX.testSetDontInlineMethod(method, true);
  61     }
  62 
  63     @Override
  64     protected void test() throws Exception {
  65         checkNotCompiled();
  66 
  67         // method can not be compiled on level 'none'
  68         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_NONE);
  69         if (isCompilable(COMP_LEVEL_NONE)) {
  70             throw new RuntimeException(method
  71                     + " is compilable at level COMP_LEVEL_NONE");
  72         }
  73         checkNotCompiled();
  74 
  75         // COMP_LEVEL_ANY is inapplicable as level for compilation
  76         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_ANY);
  77         checkNotCompiled();
  78 
  79         // not existing comp level
  80         WHITE_BOX.enqueueMethodForCompilation(method, 42);
  81         checkNotCompiled();
  82 
  83         compile();
  84         checkCompiled();
  85 
  86         int compLevel = getCompLevel();
  87         int bci = WHITE_BOX.getMethodEntryBci(method);
  88         deoptimize();
  89         checkNotCompiled();
  90         WHITE_BOX.clearMethodState(method);
  91 
  92         if (!WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci)) {
  93            throw new RuntimeException(method
  94                     + " could not be enqueued for compilation");
  95         }
  96         checkCompiled();
  97         deoptimize();
  98         checkNotCompiled();
  99 
 100         compile();
 101         checkCompiled();
 102         deoptimize();
 103         checkNotCompiled();
 104     }
 105 }