21 lines · cpp
1// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-llvm -O1 -disable-llvm-passes %s -o - | FileCheck %s2 3class __declspec(dllimport) A {4 virtual void m_fn1();5};6template <typename>7class B : virtual A {};8 9extern template class __declspec(dllimport) B<int>;10class __declspec(dllexport) C : B<int> {};11 12// CHECK-DAG: @[[VTABLE_C:.*]] = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"??_R4C@@6B@", ptr @"?m_fn1@A@@EAEXXZ"] }13// CHECK-DAG: @[[VTABLE_B:.*]] = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"??_R4?$B@H@@6B@", ptr @"?m_fn1@A@@EAEXXZ"] }, comdat($"??_S?$B@H@@6B@")14// CHECK-DAG: @[[VTABLE_A:.*]] = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"??_R4A@@6B@", ptr @"?m_fn1@A@@EAEXXZ"] }, comdat($"??_SA@@6B@")15 16// CHECK-DAG: @"??_7C@@6B@" = dllexport unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @[[VTABLE_C]], i32 0, i32 0, i32 1)17// CHECK-DAG: @"??_S?$B@H@@6B@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @[[VTABLE_B]], i32 0, i32 0, i32 1)18// CHECK-DAG: @"??_SA@@6B@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @[[VTABLE_A]], i32 0, i32 0, i32 1)19 20// CHECK-DAG: @"??_8?$B@H@@7B@" = available_externally dllimport unnamed_addr constant [2 x i32] [i32 0, i32 4]21