/* * 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 /test/lib / * * @run main/othervm compiler.jsr292.MHInlineTest */ package compiler.jsr292; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.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(); } } } }