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.arch != "aarch64" 29 * @library /testlibrary /../../test/lib / 30 * @compile ../common/CompilerToVMHelper.java 31 * @build sun.hotspot.WhiteBox 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * jdk.vm.ci.hotspot.CompilerToVMHelper 35 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 36 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. 37 * -XX:-BackgroundCompilation 38 * compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest 39 */ 40 41 package compiler.jvmci.compilerToVM; 42 43 import compiler.jvmci.common.CTVMUtilities; 44 45 import java.lang.reflect.Executable; 46 import java.lang.reflect.Method; 47 import java.util.ArrayList; 48 import java.util.HashMap; 49 import java.util.List; 50 import java.util.Map; 51 52 import compiler.testlibrary.CompilerUtils; 53 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; 54 import jdk.vm.ci.hotspot.CompilerToVMHelper; 55 import jdk.test.lib.Asserts; 56 import sun.hotspot.WhiteBox; 57 import sun.hotspot.code.NMethod; 58 59 public class HasCompiledCodeForOSRTest { 60 public static void main(String[] args) { 61 List<CompileCodeTestCase>testCases = createTestCases(); 62 testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest); 63 } 64 65 public static List<CompileCodeTestCase> createTestCases() { 66 List<CompileCodeTestCase> testCases = new ArrayList<>(); 67 68 try { 69 Class<?> aClass = DummyClass.class; 70 testCases.add(new CompileCodeTestCase( 71 aClass.getMethod("withLoop"), 17)); 72 } catch (NoSuchMethodException e) { 73 throw new Error("TEST BUG : " + e.getMessage(), e); 74 } 75 return testCases; 76 } 77 78 private static void runSanityTest(CompileCodeTestCase testCase) { 79 System.out.println(testCase); 80 Executable aMethod = testCase.executable; 81 HotSpotResolvedJavaMethodImpl method = CTVMUtilities 82 .getResolvedMethod(aMethod); 83 testCase.deoptimize(); 84 int[] levels = CompilerUtils.getAvailableCompilationLevels(); 85 // not compiled 86 for (int level : levels) { 87 boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR( 88 method, testCase.bci, level); 89 Asserts.assertFalse(isCompiled, String.format( 90 "%s : unexpected return value for non-compiled method at " 91 + "level %d", testCase, level)); 92 } 93 NMethod nm = testCase.compile(); 94 if (nm == null) { 95 throw new Error(String.format( 96 "TEST BUG : %s : cannot compile method", testCase)); 97 } 98 99 boolean isCompiled; 100 int level = nm.comp_level; 101 for (int i : levels) { 102 isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR( 103 method, testCase.bci, i); 104 Asserts.assertEQ(isCompiled, level == i, String.format( 105 "%s : unexpected return value for compiled method at " 106 + "level %d", testCase, i)); 107 } 108 109 for (int i : new int[] {-1, +1}) { 110 int bci = testCase.bci + i; 111 isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR( 112 method, bci, level); 113 Asserts.assertFalse(isCompiled, String.format( 114 "%s : unexpected return value for compiled method at " 115 + "level %d with bci = %d ", 116 testCase, level, bci)); 117 } 118 } 119 }