64 lines · cpp
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=MSVC2// 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=MSVC3// RUN: %clang_cc1 -triple x86_64-windows-itanium -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=ITANIUM4// RUN: %clang_cc1 -triple aarch64-windows-gnu -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=GNU5 6void foo1() { throw 1; }7// _CxxThrowException should not be marked dllimport.8// MSVC-LABEL: define dso_local void @"?foo1@@YAXXZ"9// MSVC: call void @_CxxThrowException10// MSVC: declare dso_local void @_CxxThrowException(ptr, ptr)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 23void bar();24void 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(ptr noundef %0)32// ITANIUM: call ptr @__cxa_begin_catch({{.*}})33// ITANIUM: call void @_ZSt9terminatev()34// ITANIUM: declare dllimport ptr @__cxa_begin_catch(ptr)35// ITANIUM: declare dllimport void @_ZSt9terminatev()36 37// .. not for mingw.38// GNU-LABEL: define linkonce_odr hidden void @__clang_call_terminate(ptr noundef %0)39// GNU: call ptr @__cxa_begin_catch({{.*}})40// GNU: call void @_ZSt9terminatev()41// GNU: declare dso_local ptr @__cxa_begin_catch(ptr)42// GNU: declare dso_local void @_ZSt9terminatev()43 44 45struct A {};46struct B { virtual void f(); };47struct C : A, virtual B {};48struct T {};49T *foo3() { return dynamic_cast<T *>((C *)0); }50// __RTDynamicCast should not be marked dllimport.51// MSVC-LABEL: define dso_local noundef ptr @"?foo3@@YAPEAUT@@XZ"52// MSVC: call ptr @__RTDynamicCast({{.*}})53// MSVC: declare dso_local ptr @__RTDynamicCast(ptr, i32, ptr, ptr, i32)54 55// Again, imported56// ITANIUM-LABEL: define dso_local noundef ptr @_Z4foo3v()57// ITANIUM: call ptr @__dynamic_cast({{.*}})58// ITANIUM: declare dllimport ptr @__dynamic_cast({{.*}})59 60// Not imported61// GNU-LABEL: define dso_local noundef ptr @_Z4foo3v()62// GNU: call ptr @__dynamic_cast({{.*}})63// GNU: declare dso_local ptr @__dynamic_cast({{.*}})64