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
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  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 /test/lib /
  28  * @modules java.base/jdk.internal.misc
  29  *          java.management
  30  * @requires vm.opt.TieredStopAtLevel==null
  31  * @build sun.hotspot.WhiteBox
  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 java.util.function.IntPredicate;
  43 import compiler.whitebox.CompilerWhiteBoxTest;
  44 import jdk.test.lib.Platform;
  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         if (Platform.isServer()) {
  51             AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
  52             IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
  53         } else if (Platform.isClient() || Platform.isMinimal()) {
  54             AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
  55             IS_AVAILABLE_COMPLEVEL = x -> x >= COMP_LEVEL_SIMPLE
  56                     && x <= COMP_LEVEL_FULL_PROFILE;
  57         } else {
  58             throw new Error("TESTBUG: unknown VM: " + Platform.vmName);
  59         }
  60 
  61     }
  62     public static void main(String[] args) throws Exception {
  63         if (CompilerWhiteBoxTest.skipOnTieredCompilation(true)) {
  64             return;
  65         }
  66         CompilerWhiteBoxTest.main(NonTieredLevelsTest::new, args);
  67     }
  68 
  69     private NonTieredLevelsTest(TestCase testCase) {
  70         super(testCase);
  71         // to prevent inlining of #method
  72         WHITE_BOX.testSetDontInlineMethod(method, true);
  73     }
  74 
  75     @Override
  76     protected void test() throws Exception {
  77         if (skipXcompOSR()) {
  78           return;
  79         }
  80         checkNotCompiled();
  81         compile();
  82         checkCompiled();
  83 
  84         int compLevel = getCompLevel();
  85         checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
  86         int bci = WHITE_BOX.getMethodEntryBci(method);
  87         deoptimize();
  88         if (!testCase.isOsr()) {
  89             for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
  90                 if (IS_AVAILABLE_COMPLEVEL.test(level)) {
  91                     testAvailableLevel(level, bci);
  92                 } else {
  93                     testUnavailableLevel(level, bci);
  94                 }
  95             }
  96         } else {
  97             System.out.println("skip other levels testing in OSR");
  98             testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
  99         }
 100     }
 101 }
 102