64 lines
2.8 KiB
C++
64 lines
2.8 KiB
C++
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// 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
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// 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
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// RUN: %clang_cc1 -triple x86_64-windows-itanium -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=ITANIUM
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// RUN: %clang_cc1 -triple aarch64-windows-gnu -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=GNU
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void foo1() { throw 1; }
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// _CxxThrowException should not be marked dllimport.
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// MSVC-LABEL: define dso_local void @"?foo1@@YAXXZ"
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// MSVC: call void @_CxxThrowException
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// MSVC: declare dso_local void @_CxxThrowException(i8*, %eh.ThrowInfo*)
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// __cxa_throw should be marked dllimport for *-windows-itanium.
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// ITANIUM-LABEL: define dso_local void @_Z4foo1v()
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// ITANIUM: call void @__cxa_throw({{.*}})
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// ITANIUM: declare dllimport void @__cxa_throw({{.*}})
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// ... but not for *-windows-gnu.
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// GNU-LABEL: define dso_local void @_Z4foo1v()
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// GNU: call void @__cxa_throw({{.*}})
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// GNU: declare dso_local void @__cxa_throw({{.*}})
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void bar();
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void foo2() noexcept(true) { bar(); }
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// __std_terminate should not be marked dllimport.
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// MSVC-LABEL: define dso_local void @"?foo2@@YAXXZ"
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// MSVC: call void @__std_terminate()
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// MSVC: declare dso_local void @__std_terminate()
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// _ZSt9terminatev and __cxa_begin_catch should be marked dllimport.
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// ITANIUM-LABEL: define linkonce_odr hidden void @__clang_call_terminate(i8* %0)
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// ITANIUM: call i8* @__cxa_begin_catch({{.*}})
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// ITANIUM: call void @_ZSt9terminatev()
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// ITANIUM: declare dllimport i8* @__cxa_begin_catch(i8*)
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// ITANIUM: declare dllimport void @_ZSt9terminatev()
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// .. not for mingw.
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// GNU-LABEL: define linkonce_odr hidden void @__clang_call_terminate(i8* %0)
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// GNU: call i8* @__cxa_begin_catch({{.*}})
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// GNU: call void @_ZSt9terminatev()
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// GNU: declare dso_local i8* @__cxa_begin_catch(i8*)
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// GNU: declare dso_local void @_ZSt9terminatev()
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struct A {};
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struct B { virtual void f(); };
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struct C : A, virtual B {};
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struct T {};
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T *foo3() { return dynamic_cast<T *>((C *)0); }
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// __RTDynamicCast should not be marked dllimport.
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// MSVC-LABEL: define dso_local %struct.T* @"?foo3@@YAPEAUT@@XZ"
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// MSVC: call i8* @__RTDynamicCast({{.*}})
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// MSVC: declare dso_local i8* @__RTDynamicCast(i8*, i32, i8*, i8*, i32)
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// Again, imported
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// ITANIUM-LABEL: define dso_local %struct.T* @_Z4foo3v()
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// ITANIUM: call i8* @__dynamic_cast({{.*}})
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// ITANIUM: declare dllimport i8* @__dynamic_cast({{.*}})
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// Not imported
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// GNU-LABEL: define dso_local %struct.T* @_Z4foo3v()
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// GNU: call i8* @__dynamic_cast({{.*}})
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// GNU: declare dso_local i8* @__dynamic_cast({{.*}})
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