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