forked from OSchip/llvm-project
97 lines
4.1 KiB
C++
97 lines
4.1 KiB
C++
// Build PCH without object file, then use it.
|
|
// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-pch -o %t %s
|
|
// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-obj -emit-llvm -include-pch %t -o - %s | FileCheck -check-prefix=PCH %s
|
|
|
|
// Build PCH with object file, then use it.
|
|
// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-pch -building-pch-with-obj -o %t %s
|
|
// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-obj -emit-llvm -include-pch %t -building-pch-with-obj -o - %s | FileCheck -check-prefix=OBJ %s
|
|
// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-obj -emit-llvm -include-pch %t -o - %s | FileCheck -check-prefix=PCHWITHOBJ %s
|
|
|
|
// Check for vars separately to avoid having to reorder the check statements.
|
|
// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-obj -emit-llvm -include-pch %t -o - %s | FileCheck -check-prefix=PCHWITHOBJVARS %s
|
|
|
|
#ifndef IN_HEADER
|
|
#define IN_HEADER
|
|
|
|
inline void __declspec(dllexport) foo() {}
|
|
// OBJ: define weak_odr dso_local dllexport void @"?foo@@YAXXZ"
|
|
// PCH: define weak_odr dso_local dllexport void @"?foo@@YAXXZ"
|
|
// PCHWITHOBJ-NOT: define {{.*}}foo
|
|
|
|
|
|
// This function is referenced, so gets emitted as usual.
|
|
inline void __declspec(dllexport) baz() {}
|
|
// OBJ: define weak_odr dso_local dllexport void @"?baz@@YAXXZ"
|
|
// PCH: define weak_odr dso_local dllexport void @"?baz@@YAXXZ"
|
|
// PCHWITHOBJ: define weak_odr dso_local dllexport void @"?baz@@YAXXZ"
|
|
|
|
|
|
struct __declspec(dllexport) S {
|
|
void bar() {}
|
|
// OBJ: define weak_odr dso_local dllexport x86_thiscallcc void @"?bar@S@@QAEXXZ"
|
|
// PCH: define weak_odr dso_local dllexport x86_thiscallcc void @"?bar@S@@QAEXXZ"
|
|
// PCHWITHOBJ-NOT: define {{.*}}bar
|
|
};
|
|
|
|
// This isn't dllexported, attribute((used)) or referenced, so not emitted.
|
|
inline void quux() {}
|
|
// OBJ-NOT: define {{.*}}quux
|
|
// PCH-NOT: define {{.*}}quux
|
|
// PCHWITHOBJ-NOT: define {{.*}}quux
|
|
|
|
// Referenced non-dllexport function.
|
|
inline void referencedNonExported() {}
|
|
// OBJ: define {{.*}}referencedNonExported
|
|
// PCH: define {{.*}}referencedNonExported
|
|
// PCHWITHOBJ: define {{.*}}referencedNonExported
|
|
|
|
template <typename T> void __declspec(dllexport) implicitInstantiation(T) {}
|
|
|
|
template <typename T> inline void __declspec(dllexport) explicitSpecialization(T) {}
|
|
|
|
template <typename T> void __declspec(dllexport) explicitInstantiationDef(T) {}
|
|
|
|
template <typename T> void __declspec(dllexport) explicitInstantiationDefAfterDecl(T) {}
|
|
extern template void explicitInstantiationDefAfterDecl<int>(int);
|
|
|
|
template <typename T> T __declspec(dllexport) variableTemplate;
|
|
extern template int variableTemplate<int>;
|
|
|
|
namespace pr38934 {
|
|
template <typename T> struct S {};
|
|
extern template struct S<int>;
|
|
// The use here causes the S<int>::operator= decl to go into the PCH.
|
|
inline void use(S<int> *a, S<int> *b) { *a = *b; };
|
|
}
|
|
|
|
#else
|
|
|
|
void use() {
|
|
baz();
|
|
referencedNonExported();
|
|
}
|
|
|
|
// Templates can be tricky. None of the definitions below come from the PCH.
|
|
|
|
void useTemplate() { implicitInstantiation(42); }
|
|
// PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$implicitInstantiation@H@@YAXH@Z"
|
|
|
|
template<> inline void __declspec(dllexport) explicitSpecialization<int>(int) {}
|
|
// PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$explicitSpecialization@H@@YAXH@Z"
|
|
|
|
template void __declspec(dllexport) explicitInstantiationDef<int>(int);
|
|
// PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$explicitInstantiationDef@H@@YAXH@Z"
|
|
|
|
template void __declspec(dllexport) explicitInstantiationDefAfterDecl<int>(int);
|
|
// PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$explicitInstantiationDefAfterDecl@H@@YAXH@Z"(i32 %0)
|
|
|
|
template int __declspec(dllexport) variableTemplate<int>;
|
|
// PCHWITHOBJVARS: @"??$variableTemplate@H@@3HA" = weak_odr dso_local dllexport global
|
|
|
|
// PR38934: Make sure S<int>::operator= gets emitted. While it itself isn't a
|
|
// template specialization, its parent is.
|
|
template struct __declspec(dllexport) pr38934::S<int>;
|
|
// PCHWITHOBJ: define weak_odr dso_local dllexport x86_thiscallcc dereferenceable(1) %"struct.pr38934::S"* @"??4?$S@H@pr38934@@QAEAAU01@ABU01@@Z"
|
|
|
|
#endif
|