diff test/compiler/jsr292/MHInlineTest.java @ 22988:99edc344d77c

8062280: C2: inlining failure due to access checks being too strict Reviewed-by: kvn
author vlivanov
date Tue, 14 Apr 2015 18:11:06 +0300
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jsr292/MHInlineTest.java	Tue Apr 14 18:11:06 2015 +0300
@@ -0,0 +1,207 @@
+/*
+ * 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
+ * @library /testlibrary
+ * @run main/othervm MHInlineTest
+ */
+import java.lang.invoke.*;
+import com.oracle.java.testlibrary.*;
+import static com.oracle.java.testlibrary.Asserts.*;
+
+public class MHInlineTest {
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+                "-XX:+IgnoreUnrecognizedVMOptions", "-showversion",
+                "-server", "-XX:-TieredCompilation", "-Xbatch",
+                "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining",
+                "-XX:CompileCommand=dontinline,MHInlineTest::test*",
+                    "MHInlineTest$Launcher");
+
+        OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
+
+        analyzer.shouldHaveExitValue(0);
+
+        // The test is applicable only to C2 (present in Server VM).
+        if (analyzer.getStderr().contains("Server VM")) {
+            analyzer.shouldContain("MHInlineTest$B::public_x (3 bytes)   inline (hot)");
+            analyzer.shouldContain(   "MHInlineTest$B::protected_x (3 bytes)   inline (hot)");
+            analyzer.shouldContain(   "MHInlineTest$B::package_x (3 bytes)   inline (hot)");
+            analyzer.shouldContain("MHInlineTest$A::package_final_x (3 bytes)   inline (hot)");
+            analyzer.shouldContain("MHInlineTest$B::private_x (3 bytes)   inline (hot)");
+            analyzer.shouldContain("MHInlineTest$B::private_static_x (3 bytes)   inline (hot)");
+            analyzer.shouldContain("MHInlineTest$A::package_static_x (3 bytes)   inline (hot)");
+
+            analyzer.shouldNotContain("MHInlineTest$A::protected_x (3 bytes)   virtual call");
+            analyzer.shouldNotContain("MHInlineTest$A::package_x (3 bytes)   virtual call");
+        }
+    }
+
+    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();
+            }
+        }
+    }
+}