1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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  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).
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  23 
  24 /**
  25  * @test NonTieredLevelsTest
  26  * @summary Verify that only one level can be used
  27  * @library /testlibrary /test/lib /
  28  * @modules java.base/jdk.internal.misc
  29  *          java.management
  30  *
  31  * @build compiler.tiered.NonTieredLevelsTest
  32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  33  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation
  35  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay
  36  *                   -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
  37  *                   compiler.tiered.NonTieredLevelsTest
  38  */
  39 
  40 package compiler.tiered;
  41 
  42 import compiler.whitebox.CompilerWhiteBoxTest;
  43 
  44 import java.util.function.IntPredicate;
  45 
  46 public class NonTieredLevelsTest extends CompLevelsTest {
  47     private static final int AVAILABLE_COMP_LEVEL;
  48     private static final IntPredicate IS_AVAILABLE_COMPLEVEL;
  49     static {
  50         String vmName = System.getProperty("java.vm.name");
  51         if (vmName.endsWith(" Server VM")) {
  52             AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
  53             IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
  54         } else if (vmName.endsWith(" Client VM")
  55                 || vmName.endsWith(" Minimal VM")) {
  56             AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
  57             IS_AVAILABLE_COMPLEVEL = x -> x >= COMP_LEVEL_SIMPLE
  58                     && x <= COMP_LEVEL_FULL_PROFILE;
  59         } else {
  60             throw new RuntimeException("Unknown VM: " + vmName);
  61         }
  62 
  63     }
  64     public static void main(String[] args) throws Exception {
  65         if (CompilerWhiteBoxTest.skipOnTieredCompilation(true)) {
  66             return;
  67         }
  68         CompilerWhiteBoxTest.main(NonTieredLevelsTest::new, args);
  69     }
  70 
  71     private NonTieredLevelsTest(TestCase testCase) {
  72         super(testCase);
  73         // to prevent inlining of #method
  74         WHITE_BOX.testSetDontInlineMethod(method, true);
  75     }
  76 
  77     @Override
  78     protected void test() throws Exception {
  79         if (skipXcompOSR()) {
  80           return;
  81         }
  82         checkNotCompiled();
  83         compile();
  84         checkCompiled();
  85 
  86         int compLevel = getCompLevel();
  87         checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
  88         int bci = WHITE_BOX.getMethodEntryBci(method);
  89         deoptimize();
  90         if (!testCase.isOsr()) {
  91             for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
  92                 if (IS_AVAILABLE_COMPLEVEL.test(level)) {
  93                     testAvailableLevel(level, bci);
  94                 } else {
  95                     testUnavailableLevel(level, bci);
  96                 }
  97             }
  98         } else {
  99             System.out.println("skip other levels testing in OSR");
 100             testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
 101         }
 102     }
 103 }
 104