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