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 * @test 26 * @bug 8062280 27 * @summary C2: inlining failure due to access checks being too strict 28 * @modules java.base/jdk.internal.misc 29 * @library /testlibrary / 30 * 31 * @run main/othervm compiler.jsr292.MHInlineTest 32 */ 33 34 package compiler.jsr292; 35 36 import jdk.test.lib.OutputAnalyzer; 37 import jdk.test.lib.ProcessTools; 38 39 import java.lang.invoke.MethodHandle; 40 import java.lang.invoke.MethodHandles; 41 import java.lang.invoke.MethodType; 42 43 import static jdk.test.lib.Asserts.assertEquals; 44 45 public class MHInlineTest { 46 public static void main(String[] args) throws Exception { 47 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 48 "-XX:+IgnoreUnrecognizedVMOptions", "-showversion", 49 "-XX:-TieredCompilation", "-Xbatch", 50 "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining", 51 "-XX:CompileCommand=dontinline,compiler.jsr292.MHInlineTest::test*", 52 Launcher.class.getName()); 53 54 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); 55 56 analyzer.shouldHaveExitValue(0); 57 58 // The test is applicable only to C2 (present in Server VM). 59 if (analyzer.getStderr().contains("Server VM")) { 60 analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::public_x (3 bytes) inline (hot)"); 61 analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::protected_x (3 bytes) inline (hot)"); 62 analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::package_x (3 bytes) inline (hot)"); 63 analyzer.shouldContain("compiler.jsr292.MHInlineTest$A::package_final_x (3 bytes) inline (hot)"); 64 analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::private_x (3 bytes) inline (hot)"); 65 analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::private_static_x (3 bytes) inline (hot)"); 66 analyzer.shouldContain("compiler.jsr292.MHInlineTest$A::package_static_x (3 bytes) inline (hot)"); 67 } 68 } 69 70 static class A { 71 public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); 72 73 public Class<?> public_x() { return A.class; } 74 protected Class<?> protected_x() { return A.class; } 75 Class<?> package_x() { return A.class; } 76 final Class<?> package_final_x() { return A.class; } 77 78 static Class<?> package_static_x() { return A.class; } 79 } 80 81 static class B extends A { 82 public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); 83 84 @Override public Class<?> public_x() { return B.class; } 85 @Override protected Class<?> protected_x() { return B.class; } 86 @Override Class<?> package_x() { return B.class; } 87 88 private Class<?> private_x() { return B.class; } 89 static Class<?> private_static_x() { return B.class; } 90 } 91 92 static final MethodHandle A_PUBLIC_X; 93 static final MethodHandle A_PROTECTED_X; 94 static final MethodHandle A_PACKAGE_X; 95 static final MethodHandle A_PACKAGE_STATIC_X; 96 static final MethodHandle A_PACKAGE_FINAL_X; 97 98 static final MethodHandle B_PRIVATE_X; 99 static final MethodHandle B_PRIVATE_STATIC_X; 100 101 static { 102 try { 103 MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); 104 105 A_PUBLIC_X = LOOKUP.findVirtual( 106 A.class, "public_x", MethodType.methodType(Class.class)); 107 A_PROTECTED_X = LOOKUP.findVirtual( 108 A.class, "protected_x", MethodType.methodType(Class.class)); 109 A_PACKAGE_X = LOOKUP.findVirtual( 110 A.class, "package_x", MethodType.methodType(Class.class)); 111 A_PACKAGE_FINAL_X = LOOKUP.findVirtual( 112 A.class, "package_final_x", MethodType.methodType(Class.class)); 113 A_PACKAGE_STATIC_X = LOOKUP.findStatic( 114 A.class, "package_static_x", MethodType.methodType(Class.class)); 115 116 B_PRIVATE_X = B.LOOKUP.findVirtual( 117 B.class, "private_x", MethodType.methodType(Class.class)); 118 B_PRIVATE_STATIC_X = B.LOOKUP.findStatic( 119 B.class, "private_static_x", MethodType.methodType(Class.class)); 120 } catch (Exception e) { 121 throw new Error(e); 122 } 123 } 124 125 static final A a = new B(); 126 127 private static void testPublicMH() { 128 try { 129 Class<?> r = (Class<?>)A_PUBLIC_X.invokeExact(a); 130 assertEquals(r, B.class); 131 } catch (Throwable throwable) { 132 throw new Error(throwable); 133 } 134 } 135 136 private static void testProtectedMH() { 137 try { 138 Class<?> r = (Class<?>)A_PROTECTED_X.invokeExact(a); 139 assertEquals(r, B.class); 140 } catch (Throwable throwable) { 141 throw new Error(throwable); 142 } 143 } 144 145 private static void testPackageMH() { 146 try { 147 Class<?> r = (Class<?>)A_PACKAGE_X.invokeExact(a); 148 assertEquals(r, B.class); 149 } catch (Throwable throwable) { 150 throw new Error(throwable); 151 } 152 } 153 154 private static void testPackageFinalMH() { 155 try { 156 Class<?> r = (Class<?>)A_PACKAGE_FINAL_X.invokeExact(a); 157 assertEquals(r, A.class); 158 } catch (Throwable throwable) { 159 throw new Error(throwable); 160 } 161 } 162 163 private static void testPackageStaticMH() { 164 try { 165 Class<?> r = (Class<?>)A_PACKAGE_STATIC_X.invokeExact(); 166 assertEquals(r, A.class); 167 } catch (Throwable throwable) { 168 throw new Error(throwable); 169 } 170 } 171 172 private static void testPrivateMH() { 173 try { 174 Class<?> r = (Class<?>)B_PRIVATE_X.invokeExact((B)a); 175 assertEquals(r, B.class); 176 } catch (Throwable throwable) { 177 throw new Error(throwable); 178 } 179 } 180 181 private static void testPrivateStaticMH() { 182 try { 183 Class<?> r = (Class<?>)B_PRIVATE_STATIC_X.invokeExact(); 184 assertEquals(r, B.class); 185 } catch (Throwable throwable) { 186 throw new Error(throwable); 187 } 188 } 189 190 static class Launcher { 191 public static void main(String[] args) throws Exception { 192 for (int i = 0; i < 20_000; i++) { 193 testPublicMH(); 194 } 195 for (int i = 0; i < 20_000; i++) { 196 testProtectedMH(); 197 } 198 for (int i = 0; i < 20_000; i++) { 199 testPackageMH(); 200 } 201 for (int i = 0; i < 20_000; i++) { 202 testPackageFinalMH(); 203 } 204 for (int i = 0; i < 20_000; i++) { 205 testPackageStaticMH(); 206 } 207 for (int i = 0; i < 20_000; i++) { 208 testPrivateMH(); 209 } 210 for (int i = 0; i < 20_000; i++) { 211 testPrivateStaticMH(); 212 } 213 } 214 } 215 }