1 /*
   2  * Copyright (c) 2015, 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.misc
  32  * @modules java.base/jdk.internal.org.objectweb.asm
  33  *          java.base/jdk.internal.org.objectweb.asm.tree
  34  *          jdk.vm.ci/jdk.vm.ci.hotspot
  35  *          jdk.vm.ci/jdk.vm.ci.code
  36  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  37  * @build compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest
  38  * @build sun.hotspot.WhiteBox
  39  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  40  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  41  * @run main/othervm -Xbootclasspath/a:.
  42  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  43  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  44  *                   -XX:-BackgroundCompilation
  45  *                   compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest
  46  */
  47 
  48 package compiler.jvmci.compilerToVM;
  49 
  50 import compiler.jvmci.common.CTVMUtilities;
  51 
  52 import java.lang.reflect.Executable;
  53 import java.util.ArrayList;
  54 import java.util.List;
  55 
  56 import compiler.testlibrary.CompilerUtils;
  57 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  58 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  59 import jdk.test.lib.Asserts;
  60 import jdk.test.lib.Utils;
  61 import sun.hotspot.code.NMethod;
  62 
  63 public class HasCompiledCodeForOSRTest {
  64     public static void main(String[] args) {
  65         List<CompileCodeTestCase> testCases = createTestCases();
  66         testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest);
  67     }
  68 
  69     public static List<CompileCodeTestCase> createTestCases() {
  70         List<CompileCodeTestCase> testCases = new ArrayList<>();
  71 
  72         try {
  73             Class<?> aClass = DummyClass.class;
  74             Object receiver = new DummyClass();
  75             testCases.add(new CompileCodeTestCase(receiver,
  76                     aClass.getMethod("withLoop"), 17));
  77         } catch (NoSuchMethodException e) {
  78             throw new Error("TEST BUG : " + e.getMessage(), e);
  79         }
  80         return testCases;
  81     }
  82 
  83     private static void runSanityTest(CompileCodeTestCase testCase) {
  84         System.out.println(testCase);
  85         Executable aMethod = testCase.executable;
  86         HotSpotResolvedJavaMethod method = CTVMUtilities
  87                 .getResolvedMethod(aMethod);
  88         testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes()));
  89         testCase.deoptimize();
  90         int[] levels = CompilerUtils.getAvailableCompilationLevels();
  91         // not compiled
  92         for (int level : levels) {
  93             boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
  94                     method, testCase.bci, level);
  95             Asserts.assertFalse(isCompiled, String.format(
  96                     "%s : unexpected return value for non-compiled method at "
  97                             + "level %d", testCase, level));
  98         }
  99         NMethod nm = testCase.compile();
 100         if (nm == null) {
 101             throw new Error(String.format(
 102                     "TEST BUG : %s : cannot compile method", testCase));
 103         }
 104 
 105         boolean isCompiled;
 106         int level = nm.comp_level;
 107         int[] someLevels = new int[] {-4, 0, 1, 2, 3, 4, 5, 45};
 108         // check levels
 109         for (int i : someLevels) {
 110             isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
 111                     method, testCase.bci, i);
 112             Asserts.assertEQ(isCompiled, level == i, String.format(
 113                     "%s : unexpected return value for compiled method at "
 114                             + "level %d", testCase, i));
 115         }
 116 
 117         // check bci
 118         byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities
 119                 .getResolvedMethod(testCase.executable));
 120         int[] incorrectBci = new int[] {
 121                 testCase.bci + 1,
 122                 testCase.bci - 1,
 123                 -200,
 124                 -10,
 125                 bytecode.length,
 126                 bytecode.length + 1,
 127                 bytecode.length + 4,
 128                 bytecode.length + 200
 129         };
 130         for (int bci : incorrectBci) {
 131             isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
 132                     method, bci, level);
 133             Asserts.assertFalse(isCompiled, String.format(
 134                     "%s : unexpected return value for compiled method at "
 135                             + "level %d with bci = %d ",
 136                     testCase, level, bci));
 137         }
 138     }
 139 }