c2e3ba48e3
Summary: The vtable takes its DLL storage class from the class, not the key function. When they disagree, the vtable won't be exported by the DLL that defines the key function. The easiest way to ensure that importers of the class emit their own vtable is to say that the class has no key function. Reviewers: hans, majnemer Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11913 llvm-svn: 244488
33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fms-extensions -O1 -disable-llvm-optzns -o - %s | FileCheck %s --check-prefix=MSVC
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// RUN: %clang_cc1 -triple i686-windows-gnu -emit-llvm -std=c++1y -fms-extensions -O1 -disable-llvm-optzns -o - %s | FileCheck %s --check-prefix=GNU
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struct __declspec(dllimport) S {
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virtual void f() {}
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} s;
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// MSVC-DAG: @"\01??_7S@@6B@" = available_externally dllimport
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// MSVC-DAG: @"\01??_R0?AUS@@@8" = linkonce_odr
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// MSVC-DAG: @"\01??_R1A@?0A@EA@S@@8" = linkonce_odr
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// MSVC-DAG: @"\01??_R2S@@8" = linkonce_odr
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// MSVC-DAG: @"\01??_R3S@@8" = linkonce_odr
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// GNU-DAG: @_ZTV1S = available_externally dllimport
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// GNU-DAG: @_ZTI1S = external dllimport
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struct U : S {
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} u;
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struct __declspec(dllimport) V {
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virtual void f();
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} v;
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// GNU-DAG: @_ZTV1V = available_externally dllimport
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// GNU-DAG: @_ZTS1V = linkonce_odr
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// GNU-DAG: @_ZTI1V = linkonce_odr
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struct W {
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__declspec(dllimport) virtual void f();
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virtual void g();
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} w;
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// GNU-DAG: @_ZTV1W = linkonce_odr
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// GNU-DAG: @_ZTS1W = linkonce_odr
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// GNU-DAG: @_ZTI1W = linkonce_odr
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