1 /*

     2  * Copyright (c) 2017, 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 8170455

    27  * @summary C2: Access to [].clone from interfaces fails.

    28  * @library /test/lib /

    29  *

    30  * @requires vm.flavor == "server" & !vm.emulatedClient

    31  * @build sun.hotspot.WhiteBox

    32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission

    33  * @run main/othervm -Xcomp -Xbatch -Xbootclasspath/a:.  -XX:-TieredCompilation  -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

    34  *                   -XX:CompileCommand=compileonly,*TestDefaultMethodArrayCloneDeoptC2Interface::test

    35  *                   compiler.arraycopy.TestDefaultMethodArrayCloneDeoptC2

    36  */

    37 

    38 package compiler.arraycopy;

    39 

    40 import sun.hotspot.WhiteBox;

    41 import java.lang.reflect.Method;

    42 import compiler.whitebox.CompilerWhiteBoxTest;

    43 

    44 

    45 

    46 interface TestDefaultMethodArrayCloneDeoptC2Interface {

    47     default int[] test(int[] arr) {

    48         return arr.clone();

    49     }

    50 

    51     default TDMACDC2InterfaceTypeTest[] test(TDMACDC2InterfaceTypeTest[] arr) {

    52         return arr.clone();

    53     }

    54 

    55     default TDMACDC2ClassTypeTest[] test(TDMACDC2ClassTypeTest[] arr) {

    56         return arr.clone();

    57     }

    58 }

    59 

    60 public class TestDefaultMethodArrayCloneDeoptC2 implements TestDefaultMethodArrayCloneDeoptC2Interface {

    61     private static final WhiteBox WB = WhiteBox.getWhiteBox();

    62     public static TestDefaultMethodArrayCloneDeoptC2 a = new TestDefaultMethodArrayCloneDeoptC2();

    63 

    64     public static void main(String[] args) throws Exception {

    65         testPrimitiveArr();

    66         testIntfArr();

    67         testClassArr();

    68     }

    69 

    70     public static void testPrimitiveArr() throws Exception {

    71         Method m = TestDefaultMethodArrayCloneDeoptC2Interface.class.getMethod("test", int[].class);

    72         a.test(new int[1]); // Compiled

    73         a.test(new int[1]);

    74         if (!WB.isMethodCompiled(m)) {

    75             WB.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);

    76         }

    77         a.test(new int[1]);

    78         if (!WB.isMethodCompiled(m)) {

    79             throw new Exception("Method should be compiled");

    80         }

    81     }

    82 

    83     public static void testIntfArr() throws Exception {

    84         Method m = TestDefaultMethodArrayCloneDeoptC2Interface.class.getMethod("test", TDMACDC2InterfaceTypeTest[].class);

    85         a.test(new TDMACDC2InterfaceTypeTest[1]); // Compiled, Decompile unloaded

    86         a.test(new TDMACDC2InterfaceTypeTest[1]); // Compiled

    87         a.test(new TDMACDC2InterfaceTypeTest[1]);

    88         if (!WB.isMethodCompiled(m)) {

    89             WB.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);

    90         }

    91         a.test(new TDMACDC2InterfaceTypeTest[1]);

    92         if (!WB.isMethodCompiled(m)) {

    93             throw new Exception("Method should be compiled");

    94         }

    95     }

    96 

    97     public static void testClassArr() throws Exception {

    98         Method m = TestDefaultMethodArrayCloneDeoptC2Interface.class.getMethod("test", TDMACDC2ClassTypeTest[].class);

    99         a.test(new TDMACDC2ClassTypeTest[1]); // Compiled, Decompile unloaded

   100         a.test(new TDMACDC2ClassTypeTest[1]); // Compiled

   101         a.test(new TDMACDC2ClassTypeTest[1]);

   102         if (!WB.isMethodCompiled(m)) {

   103             WB.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);

   104         }

   105         a.test(new TDMACDC2ClassTypeTest[1]);

   106         if (!WB.isMethodCompiled(m)) {

   107             throw new Exception("Method should be compiled");

   108         }

   109     }

   110 }

   111 

   112 interface TDMACDC2InterfaceTypeTest {

   113 }

   114 

   115 class TDMACDC2ClassTypeTest {

   116 }

   117