src/share/vm/ci/ciMemberName.cpp

Wed, 23 Oct 2013 12:40:23 +0200

author
roland
date
Wed, 23 Oct 2013 12:40:23 +0200
changeset 5991
b2ee5dc63353
parent 4037
da91efe96a93
child 6876
710a3c8b516e
permissions
-rw-r--r--

8024070: C2 needs some form of type speculation
Summary: record unused type profile information with type system, propagate and use it.
Reviewed-by: kvn, twisti

     1 /*
     2  * Copyright (c) 2012, 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  */
    25 #include "precompiled.hpp"
    26 #include "ci/ciClassList.hpp"
    27 #include "ci/ciMemberName.hpp"
    28 #include "ci/ciUtilities.hpp"
    29 #include "classfile/javaClasses.hpp"
    31 // ------------------------------------------------------------------
    32 // ciMemberName::get_vmtarget
    33 //
    34 // Return: MN.vmtarget
    35 ciMethod* ciMemberName::get_vmtarget() const {
    36   VM_ENTRY_MARK;
    37   // FIXME: Share code with ciMethodHandle::get_vmtarget
    38   Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(get_oop());
    39   if (vmtarget->is_method())
    40     return CURRENT_ENV->get_method((Method*) vmtarget);
    41   // FIXME: What if the vmtarget is a Klass?
    42   assert(false, "");
    43   return NULL;
    44 }

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