1 /*
   2  * Copyright (c) 2013, 2014, 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 TieredLevelsTest
  26  * @library /testlibrary /testlibrary/whitebox /compiler/whitebox

  27  * @build TieredLevelsTest
  28  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  29  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  30  * @run main/othervm -Xbootclasspath/a:. -XX:+TieredCompilation
  31  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  32  *                   -XX:CompileCommand=compileonly,SimpleTestCase$Helper::*
  33  *                   TieredLevelsTest
  34  * @summary Verify that all levels < 'TieredStopAtLevel' can be used
  35  * @author igor.ignatyev@oracle.com
  36  */
  37 public class TieredLevelsTest extends CompLevelsTest {
  38     public static void main(String[] args) throws Exception {
  39         if (!TIERED_COMPILATION) {
  40             System.err.println("Test isn't applicable w/ disabled "
  41                     + "TieredCompilation. Skip test.");
  42             return;
  43         }
  44         CompilerWhiteBoxTest.main(TieredLevelsTest::new, args);
  45     }
  46 
  47     private TieredLevelsTest(TestCase testCase) {
  48         super(testCase);
  49         // to prevent inlining of #method
  50         WHITE_BOX.testSetDontInlineMethod(method, true);
  51     }
  52 
  53     @Override
  54     protected void test() throws Exception {
  55         if (skipXcompOSR()) {
  56           return;
  57         }
  58         checkNotCompiled();
  59         compile();
  60         checkCompiled();
  61 
  62         int compLevel = getCompLevel();
  63         if (compLevel > TIERED_STOP_AT_LEVEL) {
  64             throw new RuntimeException("method.compLevel[" + compLevel
  65                     + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]");
  66         }
  67         int bci = WHITE_BOX.getMethodEntryBci(method);
  68         deoptimize();
  69 
  70         for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL;
  71                 ++testedTier) {
  72             testAvailableLevel(testedTier, bci);
  73         }
  74         for (int testedTier = TIERED_STOP_AT_LEVEL + 1;
  75                 testedTier <= COMP_LEVEL_MAX; ++testedTier) {
  76             testUnavailableLevel(testedTier, bci);
  77         }
  78     }
  79 
  80 
  81     @Override
  82     protected void checkLevel(int expected, int actual) {
  83         if (expected == COMP_LEVEL_FULL_PROFILE
  84                 && actual == COMP_LEVEL_LIMITED_PROFILE) {
  85             // for simple method full_profile may be replaced by limited_profile
  86             return;
  87         }
  88         super.checkLevel(expected, actual);
  89    }
  90 }
--- EOF ---