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.internal.vm.ci/jdk.vm.ci.hotspot 34 * jdk.internal.vm.ci/jdk.vm.ci.code 35 * 36 * @build jdk.internal.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 -Djvmci.Compiler=null 43 * compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest 44 */ 45 46package compiler.jvmci.compilerToVM; 47 48import compiler.jvmci.common.CTVMUtilities; 49import compiler.testlibrary.CompilerUtils; 50import jdk.test.lib.Asserts; 51import jdk.test.lib.Utils; 52import jdk.vm.ci.hotspot.CompilerToVMHelper; 53import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 54import sun.hotspot.code.NMethod; 55 56import java.lang.reflect.Executable; 57import java.util.ArrayList; 58import java.util.List; 59 60public 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} 137