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