| // 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 |
| // 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 |
| // RUN: %clang_cc1 -triple x86_64-windows-itanium -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=ITANIUM |
| // RUN: %clang_cc1 -triple aarch64-windows-gnu -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=GNU |
| |
| void foo1() { throw 1; } |
| // _CxxThrowException should not be marked dllimport. |
| // MSVC-LABEL: define dso_local void @"?foo1@@YAXXZ" |
| // MSVC: call void @_CxxThrowException |
| // MSVC: declare dso_local void @_CxxThrowException(ptr, ptr) |
| |
| // __cxa_throw should be marked dllimport for *-windows-itanium. |
| // ITANIUM-LABEL: define dso_local void @_Z4foo1v() |
| // ITANIUM: call void @__cxa_throw({{.*}}) |
| // ITANIUM: declare dllimport void @__cxa_throw({{.*}}) |
| |
| // ... but not for *-windows-gnu. |
| // GNU-LABEL: define dso_local void @_Z4foo1v() |
| // GNU: call void @__cxa_throw({{.*}}) |
| // GNU: declare dso_local void @__cxa_throw({{.*}}) |
| |
| |
| void bar(); |
| void foo2() noexcept(true) { bar(); } |
| // __std_terminate should not be marked dllimport. |
| // MSVC-LABEL: define dso_local void @"?foo2@@YAXXZ" |
| // MSVC: call void @__std_terminate() |
| // MSVC: declare dso_local void @__std_terminate() |
| |
| // _ZSt9terminatev and __cxa_begin_catch should be marked dllimport. |
| // ITANIUM-LABEL: define linkonce_odr hidden void @__clang_call_terminate(ptr noundef %0) |
| // ITANIUM: call ptr @__cxa_begin_catch({{.*}}) |
| // ITANIUM: call void @_ZSt9terminatev() |
| // ITANIUM: declare dllimport ptr @__cxa_begin_catch(ptr) |
| // ITANIUM: declare dllimport void @_ZSt9terminatev() |
| |
| // .. not for mingw. |
| // GNU-LABEL: define linkonce_odr hidden void @__clang_call_terminate(ptr noundef %0) |
| // GNU: call ptr @__cxa_begin_catch({{.*}}) |
| // GNU: call void @_ZSt9terminatev() |
| // GNU: declare dso_local ptr @__cxa_begin_catch(ptr) |
| // GNU: declare dso_local void @_ZSt9terminatev() |
| |
| |
| struct A {}; |
| struct B { virtual void f(); }; |
| struct C : A, virtual B {}; |
| struct T {}; |
| T *foo3() { return dynamic_cast<T *>((C *)0); } |
| // __RTDynamicCast should not be marked dllimport. |
| // MSVC-LABEL: define dso_local noundef ptr @"?foo3@@YAPEAUT@@XZ" |
| // MSVC: call ptr @__RTDynamicCast({{.*}}) |
| // MSVC: declare dso_local ptr @__RTDynamicCast(ptr, i32, ptr, ptr, i32) |
| |
| // Again, imported |
| // ITANIUM-LABEL: define dso_local noundef ptr @_Z4foo3v() |
| // ITANIUM: call ptr @__dynamic_cast({{.*}}) |
| // ITANIUM: declare dllimport ptr @__dynamic_cast({{.*}}) |
| |
| // Not imported |
| // GNU-LABEL: define dso_local noundef ptr @_Z4foo3v() |
| // GNU: call ptr @__dynamic_cast({{.*}}) |
| // GNU: declare dso_local ptr @__dynamic_cast({{.*}}) |