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
  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.
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  23 
  24 /**
  25  * @test TieredLevelsTest
  26  * @summary Verify that all levels < 'TieredStopAtLevel' can be used
  27  * @library /testlibrary /test/lib /
  28  * @modules java.base/jdk.internal.misc
  29  *          java.management
  30  *
  31  * @build compiler.tiered.TieredLevelsTest
  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.TieredLevelsTest
  38  */
  39 
  40 package compiler.tiered;
  41 
  42 import compiler.whitebox.CompilerWhiteBoxTest;
  43 
  44 public class TieredLevelsTest extends CompLevelsTest {
  45     public static void main(String[] args) throws Throwable {
  46         if (CompilerWhiteBoxTest.skipOnTieredCompilation(false)) {
  47             return;
  48         }
  49         CompilerWhiteBoxTest.main(TieredLevelsTest::new, args);
  50     }
  51 
  52     protected TieredLevelsTest(TestCase testCase) {
  53         super(testCase);
  54         // to prevent inlining of #method
  55         WHITE_BOX.testSetDontInlineMethod(method, true);
  56     }
  57 
  58     @Override
  59     protected void test() throws Exception {
  60         if (skipXcompOSR()) {
  61           return;
  62         }
  63         checkNotCompiled();
  64         compile();
  65         checkCompiled();
  66 
  67         int compLevel = getCompLevel();
  68         if (compLevel > TIERED_STOP_AT_LEVEL) {
  69             throw new RuntimeException("method.compLevel[" + compLevel
  70                     + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]");
  71         }
  72         int bci = WHITE_BOX.getMethodEntryBci(method);
  73         deoptimize();
  74 
  75         for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL;
  76                 ++testedTier) {
  77             testAvailableLevel(testedTier, bci);
  78         }
  79         for (int testedTier = TIERED_STOP_AT_LEVEL + 1;
  80                 testedTier <= COMP_LEVEL_MAX; ++testedTier) {
  81             testUnavailableLevel(testedTier, bci);
  82         }
  83     }
  84 
  85     @Override
  86     protected void checkLevel(int expected, int actual) {
  87         if (expected == COMP_LEVEL_FULL_PROFILE
  88                 && actual == COMP_LEVEL_LIMITED_PROFILE) {
  89             // for simple method full_profile may be replaced by limited_profile
  90             if (IS_VERBOSE) {
  91                 System.out.printf("Level check: full profiling was replaced "
  92                         + "by limited profiling. Expected: %d, actual:%d",
  93                         expected, actual);
  94             }
  95             return;
  96         }
  97         super.checkLevel(expected, actual);
  98     }
  99 }