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 java.util.function.IntPredicate;
  25 import compiler.whitebox.CompilerWhiteBoxTest;
  26 
  27 /**
  28  * @test NonTieredLevelsTest
  29  * @library /testlibrary /../../test/lib /
  30  * @modules java.management
  31  * @build NonTieredLevelsTest
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation
  35  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  36  *                   -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCase$Helper::*
  37  *                   NonTieredLevelsTest
  38  * @summary Verify that only one level can be used
  39  * @author igor.ignatyev@oracle.com
  40  */
  41 public class NonTieredLevelsTest extends CompLevelsTest {
  42     private static final int AVAILABLE_COMP_LEVEL;
  43     private static final IntPredicate IS_AVAILABLE_COMPLEVEL;
  44     static {
  45         String vmName = System.getProperty("java.vm.name");
  46         if (vmName.endsWith(" Server VM")) {
  47             AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
  48             IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
  49         } else if (vmName.endsWith(" Client VM")
  50                 || vmName.endsWith(" Minimal VM")) {
  51             AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
  52             IS_AVAILABLE_COMPLEVEL = x -> x >= COMP_LEVEL_SIMPLE
  53                     && x <= COMP_LEVEL_FULL_PROFILE;
  54         } else {
  55             throw new RuntimeException("Unknown VM: " + vmName);
  56         }
  57 
  58     }
  59     public static void main(String[] args) throws Exception {
  60         if (CompilerWhiteBoxTest.skipOnTieredCompilation(true)) {
  61             return;
  62         }
  63         CompilerWhiteBoxTest.main(NonTieredLevelsTest::new, args);
  64     }
  65 
  66     private NonTieredLevelsTest(TestCase testCase) {
  67         super(testCase);
  68         // to prevent inlining of #method
  69         WHITE_BOX.testSetDontInlineMethod(method, true);
  70     }
  71 
  72     @Override
  73     protected void test() throws Exception {
  74         if (skipXcompOSR()) {
  75           return;
  76         }
  77         checkNotCompiled();
  78         compile();
  79         checkCompiled();
  80 
  81         int compLevel = getCompLevel();
  82         checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
  83         int bci = WHITE_BOX.getMethodEntryBci(method);
  84         deoptimize();
  85         if (!testCase.isOsr()) {
  86             for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
  87                 if (IS_AVAILABLE_COMPLEVEL.test(level)) {
  88                     testAvailableLevel(level, bci);
  89                 } else {
  90                     testUnavailableLevel(level, bci);
  91                 }
  92             }
  93         } else {
  94             System.out.println("skip other levels testing in OSR");
  95             testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
  96         }
  97     }
  98 }
  99