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 import java.util.function.IntPredicate;
  25 
  26 /**
  27  * @test NonTieredLevelsTest
  28  * @library /testlibrary /testlibrary/whitebox /compiler/whitebox
  29  * @build NonTieredLevelsTest
  30  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  31  * @run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation
  32  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  33  *                   -XX:CompileCommand=compileonly,SimpleTestCase$Helper::*
  34  *                   NonTieredLevelsTest
  35  * @summary Verify that only one level can be used
  36  * @author igor.ignatyev@oracle.com
  37  */
  38 public class NonTieredLevelsTest extends CompLevelsTest {
  39     private static final int AVAILABLE_COMP_LEVEL;
  40     private static final IntPredicate IS_AVAILABLE_COMPLEVEL;
  41     static {
  42         String vmName = System.getProperty("java.vm.name");
  43         if (vmName.endsWith(" Server VM")) {
  44             AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
  45             IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
  46         } else if (vmName.endsWith(" Client VM")
  47                 || vmName.endsWith(" Minimal VM")) {
  48             AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
  49             IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_SIMPLE;
  50         } else {
  51             throw new RuntimeException("Unknown VM: " + vmName);
  52         }
  53 
  54     }
  55     public static void main(String[] args) throws Exception {
  56         if (CompilerWhiteBoxTest.skipOnTieredCompilation(true)) {
  57             return;
  58         }
  59         CompilerWhiteBoxTest.main(NonTieredLevelsTest::new, args);
  60     }
  61 
  62     private NonTieredLevelsTest(TestCase testCase) {
  63         super(testCase);
  64         // to prevent inlining of #method
  65         WHITE_BOX.testSetDontInlineMethod(method, true);
  66     }
  67 
  68     @Override
  69     protected void test() throws Exception {
  70         if (skipXcompOSR()) {
  71           return;
  72         }
  73         checkNotCompiled();
  74         compile();
  75         checkCompiled();
  76 
  77         int compLevel = getCompLevel();
  78         checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
  79         int bci = WHITE_BOX.getMethodEntryBci(method);
  80         deoptimize();
  81         if (!testCase.isOsr()) {
  82             for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
  83                 if (IS_AVAILABLE_COMPLEVEL.test(level)) {
  84                     testAvailableLevel(level, bci);
  85                 } else {
  86                     testUnavailableLevel(level, bci);
  87                 }
  88             }
  89         } else {
  90             System.out.println("skip other levels testing in OSR");
  91             testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
  92         }
  93     }
  94 }
  95