1 // RUN: %clang_cc1 -fms-extensions -fms-compatibility-version=19.20 -triple x86_64-windows-msvc -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=MSVC
2 // RUN: %clang_cc1 -fms-extensions -fms-compatibility-version=19.20 -triple aarch64-windows-msvc -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=MSVC
3 // RUN: %clang_cc1 -triple x86_64-windows-itanium -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=ITANIUM
4 // RUN: %clang_cc1 -triple aarch64-windows-gnu -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=GNU
5
foo1()6 void foo1() { throw 1; }
7 // _CxxThrowException should not be marked dllimport.
8 // MSVC-LABEL: define dso_local void @"?foo1@@YAXXZ"
9 // MSVC: call void @_CxxThrowException
10 // MSVC: declare dso_local void @_CxxThrowException(i8*, %eh.ThrowInfo*)
11
12 // __cxa_throw should be marked dllimport for *-windows-itanium.
13 // ITANIUM-LABEL: define dso_local void @_Z4foo1v()
14 // ITANIUM: call void @__cxa_throw({{.*}})
15 // ITANIUM: declare dllimport void @__cxa_throw({{.*}})
16
17 // ... but not for *-windows-gnu.
18 // GNU-LABEL: define dso_local void @_Z4foo1v()
19 // GNU: call void @__cxa_throw({{.*}})
20 // GNU: declare dso_local void @__cxa_throw({{.*}})
21
22
23 void bar();
foo2()24 void foo2() noexcept(true) { bar(); }
25 // __std_terminate should not be marked dllimport.
26 // MSVC-LABEL: define dso_local void @"?foo2@@YAXXZ"
27 // MSVC: call void @__std_terminate()
28 // MSVC: declare dso_local void @__std_terminate()
29
30 // _ZSt9terminatev and __cxa_begin_catch should be marked dllimport.
31 // ITANIUM-LABEL: define linkonce_odr hidden void @__clang_call_terminate(i8* %0)
32 // ITANIUM: call i8* @__cxa_begin_catch({{.*}})
33 // ITANIUM: call void @_ZSt9terminatev()
34 // ITANIUM: declare dllimport i8* @__cxa_begin_catch(i8*)
35 // ITANIUM: declare dllimport void @_ZSt9terminatev()
36
37 // .. not for mingw.
38 // GNU-LABEL: define linkonce_odr hidden void @__clang_call_terminate(i8* %0)
39 // GNU: call i8* @__cxa_begin_catch({{.*}})
40 // GNU: call void @_ZSt9terminatev()
41 // GNU: declare dso_local i8* @__cxa_begin_catch(i8*)
42 // GNU: declare dso_local void @_ZSt9terminatev()
43
44
45 struct A {};
46 struct B { virtual void f(); };
47 struct C : A, virtual B {};
48 struct T {};
foo3()49 T *foo3() { return dynamic_cast<T *>((C *)0); }
50 // __RTDynamicCast should not be marked dllimport.
51 // MSVC-LABEL: define dso_local %struct.T* @"?foo3@@YAPEAUT@@XZ"
52 // MSVC: call i8* @__RTDynamicCast({{.*}})
53 // MSVC: declare dso_local i8* @__RTDynamicCast(i8*, i32, i8*, i8*, i32)
54
55 // Again, imported
56 // ITANIUM-LABEL: define dso_local %struct.T* @_Z4foo3v()
57 // ITANIUM: call i8* @__dynamic_cast({{.*}})
58 // ITANIUM: declare dllimport i8* @__dynamic_cast({{.*}})
59
60 // Not imported
61 // GNU-LABEL: define dso_local %struct.T* @_Z4foo3v()
62 // GNU: call i8* @__dynamic_cast({{.*}})
63 // GNU: declare dso_local i8* @__dynamic_cast({{.*}})
64