1 /*
   2  * Copyright (c) 2015, 2016, 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 /**
  25  * @test
  26  * @bug 8136421
  27  * @requires vm.jvmci
  28  * @library /test/lib /
  29  * @library ../common/patches
  30  * @modules java.base/jdk.internal.misc
  31  * @modules java.base/jdk.internal.org.objectweb.asm
  32  *          java.base/jdk.internal.org.objectweb.asm.tree
  33  *          jdk.vm.ci/jdk.vm.ci.hotspot
  34  *          jdk.vm.ci/jdk.vm.ci.code
  35  *
  36  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox
  37  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  38  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  39  * @run main/othervm -Xbootclasspath/a:.
  40  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  41  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  42  *                   -XX:-BackgroundCompilation
  43  *                   compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest
  44  */
  45 
  46 package compiler.jvmci.compilerToVM;
  47 
  48 import compiler.jvmci.common.CTVMUtilities;
  49 import compiler.testlibrary.CompilerUtils;
  50 import jdk.test.lib.Asserts;
  51 import jdk.test.lib.Utils;
  52 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  53 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  54 import sun.hotspot.code.NMethod;
  55 
  56 import java.lang.reflect.Executable;
  57 import java.util.ArrayList;
  58 import java.util.List;
  59 
  60 public class HasCompiledCodeForOSRTest {
  61     public static void main(String[] args) {
  62         List<CompileCodeTestCase> testCases = createTestCases();
  63         testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest);
  64     }
  65 
  66     public static List<CompileCodeTestCase> createTestCases() {
  67         List<CompileCodeTestCase> testCases = new ArrayList<>();
  68 
  69         try {
  70             Class<?> aClass = DummyClass.class;
  71             Object receiver = new DummyClass();
  72             testCases.add(new CompileCodeTestCase(receiver,
  73                     aClass.getMethod("withLoop"), 17));
  74         } catch (NoSuchMethodException e) {
  75             throw new Error("TEST BUG : " + e.getMessage(), e);
  76         }
  77         return testCases;
  78     }
  79 
  80     private static void runSanityTest(CompileCodeTestCase testCase) {
  81         System.out.println(testCase);
  82         Executable aMethod = testCase.executable;
  83         HotSpotResolvedJavaMethod method = CTVMUtilities
  84                 .getResolvedMethod(aMethod);
  85         testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes()));
  86         testCase.deoptimize();
  87         int[] levels = CompilerUtils.getAvailableCompilationLevels();
  88         // not compiled
  89         for (int level : levels) {
  90             boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
  91                     method, testCase.bci, level);
  92             Asserts.assertFalse(isCompiled, String.format(
  93                     "%s : unexpected return value for non-compiled method at "
  94                             + "level %d", testCase, level));
  95         }
  96         NMethod nm = testCase.compile();
  97         if (nm == null) {
  98             throw new Error(String.format(
  99                     "TEST BUG : %s : cannot compile method", testCase));
 100         }
 101 
 102         boolean isCompiled;
 103         int level = nm.comp_level;
 104         int[] someLevels = new int[] {-4, 0, 1, 2, 3, 4, 5, 45};
 105         // check levels
 106         for (int i : someLevels) {
 107             isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
 108                     method, testCase.bci, i);
 109             Asserts.assertEQ(isCompiled, level == i, String.format(
 110                     "%s : unexpected return value for compiled method at "
 111                             + "level %d", testCase, i));
 112         }
 113 
 114         // check bci
 115         byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities
 116                 .getResolvedMethod(testCase.executable));
 117         int[] incorrectBci = new int[] {
 118                 testCase.bci + 1,
 119                 testCase.bci - 1,
 120                 -200,
 121                 -10,
 122                 bytecode.length,
 123                 bytecode.length + 1,
 124                 bytecode.length + 4,
 125                 bytecode.length + 200
 126         };
 127         for (int bci : incorrectBci) {
 128             isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
 129                     method, bci, level);
 130             Asserts.assertFalse(isCompiled, String.format(
 131                     "%s : unexpected return value for compiled method at "
 132                             + "level %d with bci = %d ",
 133                     testCase, level, bci));
 134         }
 135     }
 136 }