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 /**
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
  29  * @library /testlibrary /test/lib /
  30  * @library ../common/patches
  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.code
  34  *          jdk.vm.ci.hotspot/jdk.vm.ci.hotspot
  35  * @build jdk.vm.ci.hotspot/jdk.vm.ci.hotspot.CompilerToVMHelper
  36  * @build compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest
  37  * @build sun.hotspot.WhiteBox
  38  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  39  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  40  * @run main/othervm -Xbootclasspath/a:.
  41  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  42  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  43  *                   -XX:-BackgroundCompilation
  44  *                   compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest
  45  */
  46 
  47 package compiler.jvmci.compilerToVM;
  48 
  49 import compiler.jvmci.common.CTVMUtilities;
  50 
  51 import java.lang.reflect.Executable;
  52 import java.util.ArrayList;
  53 import java.util.List;
  54 
  55 import compiler.testlibrary.CompilerUtils;
  56 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  57 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  58 import jdk.test.lib.Asserts;
  59 import jdk.test.lib.Utils;
  60 import sun.hotspot.code.NMethod;
  61 
  62 public class HasCompiledCodeForOSRTest {
  63     public static void main(String[] args) {
  64         List<CompileCodeTestCase> testCases = createTestCases();
  65         testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest);
  66     }
  67 
  68     public static List<CompileCodeTestCase> createTestCases() {
  69         List<CompileCodeTestCase> testCases = new ArrayList<>();
  70 
  71         try {
  72             Class<?> aClass = DummyClass.class;
  73             Object receiver = new DummyClass();
  74             testCases.add(new CompileCodeTestCase(receiver,
  75                     aClass.getMethod("withLoop"), 17));
  76         } catch (NoSuchMethodException e) {
  77             throw new Error("TEST BUG : " + e.getMessage(), e);
  78         }
  79         return testCases;
  80     }
  81 
  82     private static void runSanityTest(CompileCodeTestCase testCase) {
  83         System.out.println(testCase);
  84         Executable aMethod = testCase.executable;
  85         HotSpotResolvedJavaMethod method = CTVMUtilities
  86                 .getResolvedMethod(aMethod);
  87         testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes()));
  88         testCase.deoptimize();
  89         int[] levels = CompilerUtils.getAvailableCompilationLevels();
  90         // not compiled
  91         for (int level : levels) {
  92             boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
  93                     method, testCase.bci, level);
  94             Asserts.assertFalse(isCompiled, String.format(
  95                     "%s : unexpected return value for non-compiled method at "
  96                             + "level %d", testCase, level));
  97         }
  98         NMethod nm = testCase.compile();
  99         if (nm == null) {
 100             throw new Error(String.format(
 101                     "TEST BUG : %s : cannot compile method", testCase));
 102         }
 103 
 104         boolean isCompiled;
 105         int level = nm.comp_level;
 106         int[] someLevels = new int[] {-4, 0, 1, 2, 3, 4, 5, 45};
 107         // check levels
 108         for (int i : someLevels) {
 109             isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
 110                     method, testCase.bci, i);
 111             Asserts.assertEQ(isCompiled, level == i, String.format(
 112                     "%s : unexpected return value for compiled method at "
 113                             + "level %d", testCase, i));
 114         }
 115 
 116         // check bci
 117         byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities
 118                 .getResolvedMethod(testCase.executable));
 119         int[] incorrectBci = new int[] {
 120                 testCase.bci + 1,
 121                 testCase.bci - 1,
 122                 -200,
 123                 -10,
 124                 bytecode.length,
 125                 bytecode.length + 1,
 126                 bytecode.length + 4,
 127                 bytecode.length + 200
 128         };
 129         for (int bci : incorrectBci) {
 130             isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
 131                     method, bci, level);
 132             Asserts.assertFalse(isCompiled, String.format(
 133                     "%s : unexpected return value for compiled method at "
 134                             + "level %d with bci = %d ",
 135                     testCase, level, bci));
 136         }
 137     }
 138 }