Reid Kleckner | 1808c02 | 2019-04-29 23:05:47 +0000 | [diff] [blame] | 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 | |
| 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(); |
| 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. |
Tim Northover | a009a60 | 2019-08-03 14:28:34 +0000 | [diff] [blame] | 31 | // ITANIUM-LABEL: define linkonce_odr hidden void @__clang_call_terminate(i8* %0) |
Reid Kleckner | 1808c02 | 2019-04-29 23:05:47 +0000 | [diff] [blame] | 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. |
Tim Northover | a009a60 | 2019-08-03 14:28:34 +0000 | [diff] [blame] | 38 | // GNU-LABEL: define linkonce_odr hidden void @__clang_call_terminate(i8* %0) |
Reid Kleckner | 1808c02 | 2019-04-29 23:05:47 +0000 | [diff] [blame] | 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 {}; |
| 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({{.*}}) |