diff options
Diffstat (limited to 'test/CodeGenCXX/dllimport.cpp')
| -rw-r--r-- | test/CodeGenCXX/dllimport.cpp | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/test/CodeGenCXX/dllimport.cpp b/test/CodeGenCXX/dllimport.cpp index 0f15ff0..b9c850b 100644 --- a/test/CodeGenCXX/dllimport.cpp +++ b/test/CodeGenCXX/dllimport.cpp @@ -2,8 +2,8 @@ // RUN: %clang_cc1 -triple x86_64-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC --check-prefix=M64 %s // RUN: %clang_cc1 -triple i686-windows-gnu -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s // RUN: %clang_cc1 -triple x86_64-windows-gnu -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s -// RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=18.00 -emit-llvm -std=c++1y -O1 -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M18 %s -// RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=19.00 -emit-llvm -std=c++1y -O1 -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M19 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=18.00 -emit-llvm -std=c++1y -O1 -disable-llvm-optzns -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M18 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=19.00 -emit-llvm -std=c++1y -O1 -disable-llvm-optzns -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M19 %s // RUN: %clang_cc1 -triple i686-windows-gnu -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O1 -o - %s -w | FileCheck --check-prefix=GO1 %s // CHECK-NOT doesn't play nice with CHECK-DAG, so use separate run lines. @@ -86,7 +86,7 @@ USEVAR(GlobalRedecl3) namespace ns { __declspec(dllimport) int ExternalGlobal; } USEVAR(ns::ExternalGlobal) -int f(); +int __declspec(dllimport) f(); // MO1-DAG: @"\01?x@?1??inlineStaticLocalsFunc@@YAHXZ@4HA" = available_externally dllimport global i32 0 // MO1-DAG: @"\01??_B?1??inlineStaticLocalsFunc@@YAHXZ@51" = available_externally dllimport global i32 0 inline int __declspec(dllimport) inlineStaticLocalsFunc() { @@ -314,6 +314,46 @@ void UNIQ(use)() { ::operator new(42); } namespace ns { __declspec(dllimport) void externalFunc(); } USE(ns::externalFunc) +// A dllimport function referencing non-imported vars or functions must not be available_externally. +__declspec(dllimport) int ImportedVar; +int NonImportedVar; +__declspec(dllimport) int ImportedFunc(); +int NonImportedFunc(); +__declspec(dllimport) inline int ReferencingImportedVar() { return ImportedVar; } +// MO1-DAG: define available_externally dllimport i32 @"\01?ReferencingImportedVar@@YAHXZ" +__declspec(dllimport) inline int ReferencingNonImportedVar() { return NonImportedVar; } +// MO1-DAG: declare dllimport i32 @"\01?ReferencingNonImportedVar@@YAHXZ"() +__declspec(dllimport) inline int ReferencingImportedFunc() { return ImportedFunc(); } +// MO1-DAG: define available_externally dllimport i32 @"\01?ReferencingImportedFunc@@YAHXZ" +__declspec(dllimport) inline int ReferencingNonImportedFunc() { return NonImportedFunc(); } +// MO1-DAG: declare dllimport i32 @"\01?ReferencingNonImportedFunc@@YAHXZ"() +USE(ReferencingImportedVar) +USE(ReferencingNonImportedVar) +USE(ReferencingImportedFunc) +USE(ReferencingNonImportedFunc) +// References to operator new and delete count too, despite not being DeclRefExprs. +__declspec(dllimport) inline int *ReferencingNonImportedNew() { return new int[2]; } +// MO1-DAG: declare dllimport i32* @"\01?ReferencingNonImportedNew@@YAPAHXZ" +__declspec(dllimport) inline int *ReferencingNonImportedDelete() { delete (int*)nullptr; } +// MO1-DAG: declare dllimport i32* @"\01?ReferencingNonImportedDelete@@YAPAHXZ" +USE(ReferencingNonImportedNew) +USE(ReferencingNonImportedDelete) +__declspec(dllimport) void* operator new[](__SIZE_TYPE__); +__declspec(dllimport) void operator delete(void*); +__declspec(dllimport) inline int *ReferencingImportedNew() { return new int[2]; } +// MO1-DAG: define available_externally dllimport i32* @"\01?ReferencingImportedNew@@YAPAHXZ" +__declspec(dllimport) inline int *ReferencingImportedDelete() { delete (int*)nullptr; } +// MO1-DAG: define available_externally dllimport i32* @"\01?ReferencingImportedDelete@@YAPAHXZ" +USE(ReferencingImportedNew) +USE(ReferencingImportedDelete) + +// A dllimport function with a TLS variable must not be available_externally. +__declspec(dllimport) inline void FunctionWithTLSVar() { static __thread int x = 42; } +// MO1-DAG: declare dllimport void @"\01?FunctionWithTLSVar@@YAXXZ" +__declspec(dllimport) inline void FunctionWithNormalVar() { static int x = 42; } +// MO1-DAG: define available_externally dllimport void @"\01?FunctionWithNormalVar@@YAXXZ" +USE(FunctionWithTLSVar) +USE(FunctionWithNormalVar) //===----------------------------------------------------------------------===// @@ -581,7 +621,7 @@ struct __declspec(dllimport) KeyFuncClass { constexpr KeyFuncClass() {} virtual void foo(); }; -constexpr KeyFuncClass keyFuncClassVar; +extern constexpr KeyFuncClass keyFuncClassVar = {}; // G32-DAG: @_ZTV12KeyFuncClass = external dllimport unnamed_addr constant [3 x i8*] struct __declspec(dllimport) X : public virtual W {}; |
