jdk8-mips64-public/hotspot: test/compiler/escapeAnalysis/TestGetClass.java@940791dabea2

8218201: Failures when vmIntrinsics::_getClass is not inlined
Summary: Fix BCEscapeAnalyzer to correctly handle _getClass intrinsic.
Reviewed-by: kvn, dlong, redestad, neliasso

     1 /*

     2  * Copyright (c) 2019, 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  */

    24 /*

    25  * @test

    26  * @bug 8218201

    27  * @summary BCEscapeAnalyzer assigns wrong escape state to getClass return value.

    28  * @run main/othervm -XX:-TieredCompilation -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:DisableIntrinsic=_getClass

    29  *                   -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,compiler.escapeAnalysis.TestGetClass::test

    30  *                   -XX:+PrintCompilation compiler.escapeAnalysis.TestGetClass

    31  */

    33 package compiler.escapeAnalysis;

    35 public class TestGetClass {

    36     static Object obj = new Object();

    38     public static boolean test() {

    39         if (obj.getClass() == Object.class) {

    40             synchronized (obj) {

    41                 return true;

    42             }

    43         }

    44         return false;

    45     }

    47     public static void main(String[] args) {

    48         if (!test()) {

    49             throw new RuntimeException("Test failed");

    50         }

    51     }

    52 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/compiler/escapeAnalysis/TestGetClass.java@940791dabea2

test/compiler/escapeAnalysis/TestGetClass.java