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 import compiler.whitebox.CompilerWhiteBoxTest;
  25 
  26 /*
  27  * @test EnqueueMethodForCompilationTest
  28  * @bug 8006683 8007288 8022832
  29  * @library /testlibrary /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  * @modules java.management
  32  * @build EnqueueMethodForCompilationTest
  33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  34  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation -XX:-UseCounterDecay EnqueueMethodForCompilationTest
  36  * @summary testing of WB::enqueueMethodForCompilation()
  37  * @author igor.ignatyev@oracle.com
  38  */
  39 public class EnqueueMethodForCompilationTest extends CompilerWhiteBoxTest {
  40 
  41     public static void main(String[] args) throws Exception {
  42         String directive =
  43                 "[{ match:\"*SimpleTestCaseHelper.*\", BackgroundCompilation: false }, " +
  44                 " { match:\"*.*\", inline:\"-*SimpleTestCaseHelper.*\"}]";
  45         if (WHITE_BOX.addCompilerDirective(directive) != 2) {
  46             throw new RuntimeException("Could not add directive");
  47         }
  48         try {
  49             CompilerWhiteBoxTest.main(EnqueueMethodForCompilationTest::new, args);
  50         } finally {
  51             WHITE_BOX.removeCompilerDirective(2);
  52         }
  53     }
  54 
  55     private EnqueueMethodForCompilationTest(TestCase testCase) {
  56         super(testCase);
  57         // to prevent inlining of #method
  58         WHITE_BOX.testSetDontInlineMethod(method, true);
  59     }
  60 
  61     @Override
  62     protected void test() throws Exception {
  63         checkNotCompiled();
  64 
  65         // method can not be compiled on level 'none'
  66         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_NONE);
  67         if (isCompilable(COMP_LEVEL_NONE)) {
  68             throw new RuntimeException(method
  69                     + " is compilable at level COMP_LEVEL_NONE");
  70         }
  71         checkNotCompiled();
  72 
  73         // COMP_LEVEL_ANY is inapplicable as level for compilation
  74         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_ANY);
  75         checkNotCompiled();
  76 
  77         // not existing comp level
  78         WHITE_BOX.enqueueMethodForCompilation(method, 42);
  79         checkNotCompiled();
  80 
  81         compile();
  82         checkCompiled();
  83 
  84         int compLevel = getCompLevel();
  85         int bci = WHITE_BOX.getMethodEntryBci(method);
  86         deoptimize();
  87         checkNotCompiled();
  88         WHITE_BOX.clearMethodState(method);
  89 
  90         if (!WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci)) {
  91            throw new RuntimeException(method
  92                     + " could not be enqueued for compilation");
  93         }
  94         checkCompiled();
  95         deoptimize();
  96         checkNotCompiled();
  97 
  98         compile();
  99         checkCompiled();
 100         deoptimize();
 101         checkNotCompiled();
 102     }
 103 }