| 1 | // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-win32 -fno-rtti -mconstructor-aliases -O1 -disable-llvm-passes | FileCheck %s |
| 2 | |
| 3 | namespace test1 { |
| 4 | template <typename T> class A { |
| 5 | ~A() {} |
| 6 | }; |
| 7 | template class A<char>; |
| 8 | // CHECK-DAG: define weak_odr dso_local x86_thiscallcc void @"??1?$A@D@test1@@AAE@XZ" |
| 9 | } |
| 10 | |
| 11 | namespace test2 { |
| 12 | struct A { |
| 13 | virtual ~A(); |
| 14 | }; |
| 15 | struct B : A { |
| 16 | B(); |
| 17 | virtual ~B(); |
| 18 | }; |
| 19 | |
| 20 | A::~A() {} |
| 21 | B::~B() {} |
| 22 | void foo() { |
| 23 | B b; |
| 24 | } |
| 25 | // CHECK-DAG: @"??1B@test2@@UAE@XZ" = dso_local unnamed_addr alias void (%"struct.test2::B"*), bitcast (void (%"struct.test2::A"*)* @"??1A@test2@@UAE@XZ" to void (%"struct.test2::B"*)*) |
| 26 | } |
| 27 | |
| 28 | namespace test3 { |
| 29 | struct A { virtual ~A(); }; |
| 30 | A::~A() {} |
| 31 | } |
| 32 | // CHECK-DAG: define dso_local x86_thiscallcc void @"??1A@test3@@UAE@XZ"( |
| 33 | namespace test3 { |
| 34 | template <typename T> |
| 35 | struct B : A { |
| 36 | virtual ~B() { } |
| 37 | }; |
| 38 | template struct B<int>; |
| 39 | } |
| 40 | // This has to be weak, and emitting weak aliases is fragile, so we don't do the |
| 41 | // aliasing. |
| 42 | // CHECK-DAG: define weak_odr dso_local x86_thiscallcc void @"??1?$B@H@test3@@UAE@XZ"( |
| 43 | |