| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| /** |
| * @test |
| * @bug 8062280 |
| * @summary C2: inlining failure due to access checks being too strict |
| * @modules java.base/jdk.internal.misc |
| * @library /testlibrary / |
| * |
| * @run main/othervm compiler.jsr292.MHInlineTest |
| */ |
| |
| package compiler.jsr292; |
| |
| import jdk.test.lib.OutputAnalyzer; |
| import jdk.test.lib.ProcessTools; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| |
| import static jdk.test.lib.Asserts.assertEquals; |
| |
| public class MHInlineTest { |
| public static void main(String[] args) throws Exception { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-XX:+IgnoreUnrecognizedVMOptions", "-showversion", |
| "-XX:-TieredCompilation", "-Xbatch", |
| "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining", |
| "-XX:CompileCommand=dontinline,compiler.jsr292.MHInlineTest::test*", |
| Launcher.class.getName()); |
| |
| OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); |
| |
| analyzer.shouldHaveExitValue(0); |
| |
| // The test is applicable only to C2 (present in Server VM). |
| if (analyzer.getStderr().contains("Server VM")) { |
| analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::public_x (3 bytes) inline (hot)"); |
| analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::protected_x (3 bytes) inline (hot)"); |
| analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::package_x (3 bytes) inline (hot)"); |
| analyzer.shouldContain("compiler.jsr292.MHInlineTest$A::package_final_x (3 bytes) inline (hot)"); |
| analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::private_x (3 bytes) inline (hot)"); |
| analyzer.shouldContain("compiler.jsr292.MHInlineTest$B::private_static_x (3 bytes) inline (hot)"); |
| analyzer.shouldContain("compiler.jsr292.MHInlineTest$A::package_static_x (3 bytes) inline (hot)"); |
| } |
| } |
| |
| static class A { |
| public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); |
| |
| public Class<?> public_x() { return A.class; } |
| protected Class<?> protected_x() { return A.class; } |
| Class<?> package_x() { return A.class; } |
| final Class<?> package_final_x() { return A.class; } |
| |
| static Class<?> package_static_x() { return A.class; } |
| } |
| |
| static class B extends A { |
| public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); |
| |
| @Override public Class<?> public_x() { return B.class; } |
| @Override protected Class<?> protected_x() { return B.class; } |
| @Override Class<?> package_x() { return B.class; } |
| |
| private Class<?> private_x() { return B.class; } |
| static Class<?> private_static_x() { return B.class; } |
| } |
| |
| static final MethodHandle A_PUBLIC_X; |
| static final MethodHandle A_PROTECTED_X; |
| static final MethodHandle A_PACKAGE_X; |
| static final MethodHandle A_PACKAGE_STATIC_X; |
| static final MethodHandle A_PACKAGE_FINAL_X; |
| |
| static final MethodHandle B_PRIVATE_X; |
| static final MethodHandle B_PRIVATE_STATIC_X; |
| |
| static { |
| try { |
| MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); |
| |
| A_PUBLIC_X = LOOKUP.findVirtual( |
| A.class, "public_x", MethodType.methodType(Class.class)); |
| A_PROTECTED_X = LOOKUP.findVirtual( |
| A.class, "protected_x", MethodType.methodType(Class.class)); |
| A_PACKAGE_X = LOOKUP.findVirtual( |
| A.class, "package_x", MethodType.methodType(Class.class)); |
| A_PACKAGE_FINAL_X = LOOKUP.findVirtual( |
| A.class, "package_final_x", MethodType.methodType(Class.class)); |
| A_PACKAGE_STATIC_X = LOOKUP.findStatic( |
| A.class, "package_static_x", MethodType.methodType(Class.class)); |
| |
| B_PRIVATE_X = B.LOOKUP.findVirtual( |
| B.class, "private_x", MethodType.methodType(Class.class)); |
| B_PRIVATE_STATIC_X = B.LOOKUP.findStatic( |
| B.class, "private_static_x", MethodType.methodType(Class.class)); |
| } catch (Exception e) { |
| throw new Error(e); |
| } |
| } |
| |
| static final A a = new B(); |
| |
| private static void testPublicMH() { |
| try { |
| Class<?> r = (Class<?>)A_PUBLIC_X.invokeExact(a); |
| assertEquals(r, B.class); |
| } catch (Throwable throwable) { |
| throw new Error(throwable); |
| } |
| } |
| |
| private static void testProtectedMH() { |
| try { |
| Class<?> r = (Class<?>)A_PROTECTED_X.invokeExact(a); |
| assertEquals(r, B.class); |
| } catch (Throwable throwable) { |
| throw new Error(throwable); |
| } |
| } |
| |
| private static void testPackageMH() { |
| try { |
| Class<?> r = (Class<?>)A_PACKAGE_X.invokeExact(a); |
| assertEquals(r, B.class); |
| } catch (Throwable throwable) { |
| throw new Error(throwable); |
| } |
| } |
| |
| private static void testPackageFinalMH() { |
| try { |
| Class<?> r = (Class<?>)A_PACKAGE_FINAL_X.invokeExact(a); |
| assertEquals(r, A.class); |
| } catch (Throwable throwable) { |
| throw new Error(throwable); |
| } |
| } |
| |
| private static void testPackageStaticMH() { |
| try { |
| Class<?> r = (Class<?>)A_PACKAGE_STATIC_X.invokeExact(); |
| assertEquals(r, A.class); |
| } catch (Throwable throwable) { |
| throw new Error(throwable); |
| } |
| } |
| |
| private static void testPrivateMH() { |
| try { |
| Class<?> r = (Class<?>)B_PRIVATE_X.invokeExact((B)a); |
| assertEquals(r, B.class); |
| } catch (Throwable throwable) { |
| throw new Error(throwable); |
| } |
| } |
| |
| private static void testPrivateStaticMH() { |
| try { |
| Class<?> r = (Class<?>)B_PRIVATE_STATIC_X.invokeExact(); |
| assertEquals(r, B.class); |
| } catch (Throwable throwable) { |
| throw new Error(throwable); |
| } |
| } |
| |
| static class Launcher { |
| public static void main(String[] args) throws Exception { |
| for (int i = 0; i < 20_000; i++) { |
| testPublicMH(); |
| } |
| for (int i = 0; i < 20_000; i++) { |
| testProtectedMH(); |
| } |
| for (int i = 0; i < 20_000; i++) { |
| testPackageMH(); |
| } |
| for (int i = 0; i < 20_000; i++) { |
| testPackageFinalMH(); |
| } |
| for (int i = 0; i < 20_000; i++) { |
| testPackageStaticMH(); |
| } |
| for (int i = 0; i < 20_000; i++) { |
| testPrivateMH(); |
| } |
| for (int i = 0; i < 20_000; i++) { |
| testPrivateStaticMH(); |
| } |
| } |
| } |
| } |