| 1 | // Build PCH without object file, then use it. |
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| 2 | // RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-pch -o %t %s |
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| 3 | // RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-obj -emit-llvm -include-pch %t -o - %s | FileCheck -check-prefix=PCH %s |
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| 4 | |
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| 5 | // Build PCH with object file, then use it. |
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| 6 | // RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-pch -building-pch-with-obj -o %t %s |
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| 7 | // 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 |
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| 8 | // RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-obj -emit-llvm -include-pch %t -o - %s | FileCheck -check-prefix=PCHWITHOBJ %s |
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| 9 | |
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| 10 | // Check for vars separately to avoid having to reorder the check statements. |
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| 11 | // RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -emit-obj -emit-llvm -include-pch %t -o - %s | FileCheck -check-prefix=PCHWITHOBJVARS %s |
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| 12 | |
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| 13 | #ifndef IN_HEADER |
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| 14 | #define IN_HEADER |
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| 15 | |
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| 16 | inline void __declspec(dllexport) foo() {} |
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| 17 | // OBJ: define weak_odr dso_local dllexport void @"?foo@@YAXXZ" |
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| 18 | // PCH: define weak_odr dso_local dllexport void @"?foo@@YAXXZ" |
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| 19 | // PCHWITHOBJ-NOT: define {{.*}}foo |
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| 20 | |
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| 21 | |
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| 22 | // This function is referenced, so gets emitted as usual. |
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| 23 | inline void __declspec(dllexport) baz() {} |
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| 24 | // OBJ: define weak_odr dso_local dllexport void @"?baz@@YAXXZ" |
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| 25 | // PCH: define weak_odr dso_local dllexport void @"?baz@@YAXXZ" |
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| 26 | // PCHWITHOBJ: define weak_odr dso_local dllexport void @"?baz@@YAXXZ" |
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| 27 | |
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| 28 | |
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| 29 | struct __declspec(dllexport) S { |
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| 30 | void bar() {} |
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| 31 | // OBJ: define weak_odr dso_local dllexport x86_thiscallcc void @"?bar@S@@QAEXXZ" |
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| 32 | // PCH: define weak_odr dso_local dllexport x86_thiscallcc void @"?bar@S@@QAEXXZ" |
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| 33 | // PCHWITHOBJ-NOT: define {{.*}}bar |
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| 34 | }; |
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| 35 | |
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| 36 | // This isn't dllexported, attribute((used)) or referenced, so not emitted. |
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| 37 | inline void quux() {} |
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| 38 | // OBJ-NOT: define {{.*}}quux |
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| 39 | // PCH-NOT: define {{.*}}quux |
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| 40 | // PCHWITHOBJ-NOT: define {{.*}}quux |
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| 41 | |
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| 42 | // Referenced non-dllexport function. |
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| 43 | inline void referencedNonExported() {} |
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| 44 | // OBJ: define {{.*}}referencedNonExported |
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| 45 | // PCH: define {{.*}}referencedNonExported |
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| 46 | // PCHWITHOBJ: define {{.*}}referencedNonExported |
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| 47 | |
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| 48 | template <typename T> void __declspec(dllexport) implicitInstantiation(T) {} |
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| 49 | |
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| 50 | template <typename T> inline void __declspec(dllexport) explicitSpecialization(T) {} |
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| 51 | |
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| 52 | template <typename T> void __declspec(dllexport) explicitInstantiationDef(T) {} |
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| 53 | |
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| 54 | template <typename T> void __declspec(dllexport) explicitInstantiationDefAfterDecl(T) {} |
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| 55 | extern template void explicitInstantiationDefAfterDecl<int>(int); |
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| 56 | |
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| 57 | template <typename T> T __declspec(dllexport) variableTemplate; |
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| 58 | extern template int variableTemplate<int>; |
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| 59 | |
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| 60 | namespace pr38934 { |
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| 61 | template <typename T> struct S {}; |
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| 62 | extern template struct S<int>; |
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| 63 | // The use here causes the S<int>::operator= decl to go into the PCH. |
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| 64 | inline void use(S<int> *a, S<int> *b) { *a = *b; }; |
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| 65 | } |
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| 66 | |
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| 67 | #else |
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| 68 | |
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| 69 | void use() { |
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| 70 | baz(); |
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| 71 | referencedNonExported(); |
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| 72 | } |
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| 73 | |
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| 74 | // Templates can be tricky. None of the definitions below come from the PCH. |
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| 75 | |
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| 76 | void useTemplate() { implicitInstantiation(42); } |
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| 77 | // PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$implicitInstantiation@H@@YAXH@Z" |
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| 78 | |
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| 79 | template<> inline void __declspec(dllexport) explicitSpecialization<int>(int) {} |
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| 80 | // PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$explicitSpecialization@H@@YAXH@Z" |
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| 81 | |
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| 82 | template void __declspec(dllexport) explicitInstantiationDef<int>(int); |
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| 83 | // PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$explicitInstantiationDef@H@@YAXH@Z" |
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| 84 | |
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| 85 | template void __declspec(dllexport) explicitInstantiationDefAfterDecl<int>(int); |
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| 86 | // PCHWITHOBJ: define weak_odr dso_local dllexport void @"??$explicitInstantiationDefAfterDecl@H@@YAXH@Z"(i32) |
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| 87 | |
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| 88 | template int __declspec(dllexport) variableTemplate<int>; |
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| 89 | // PCHWITHOBJVARS: @"??$variableTemplate@H@@3HA" = weak_odr dso_local dllexport global |
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| 90 | |
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| 91 | // PR38934: Make sure S<int>::operator= gets emitted. While it itself isn't a |
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| 92 | // template specialization, its parent is. |
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| 93 | template struct __declspec(dllexport) pr38934::S<int>; |
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| 94 | // PCHWITHOBJ: define weak_odr dso_local dllexport x86_thiscallcc dereferenceable(1) %"struct.pr38934::S"* @"??4?$S@H@pr38934@@QAEAAU01@ABU01@@Z" |
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| 95 | |
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| 96 | #endif |
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| 97 | |
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