diff options
Diffstat (limited to 'test/Sema/dllexport.c')
| -rw-r--r-- | test/Sema/dllexport.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/test/Sema/dllexport.c b/test/Sema/dllexport.c new file mode 100644 index 000000000000..c6d04dc63423 --- /dev/null +++ b/test/Sema/dllexport.c @@ -0,0 +1,138 @@ +// RUN: %clang_cc1 -triple i686-win32 -fsyntax-only -verify -std=c99 %s +// RUN: %clang_cc1 -triple x86_64-win32 -fsyntax-only -verify -std=c11 %s +// RUN: %clang_cc1 -triple i686-mingw32 -fsyntax-only -verify -std=c11 %s +// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c99 %s + +// Invalid usage. +__declspec(dllexport) typedef int typedef1; // expected-warning{{'dllexport' attribute only applies to variables and functions}} +typedef __declspec(dllexport) int typedef2; // expected-warning{{'dllexport' attribute only applies to variables and functions}} +typedef int __declspec(dllexport) typedef3; // expected-warning{{'dllexport' attribute only applies to variables and functions}} +typedef __declspec(dllexport) void (*FunTy)(); // expected-warning{{'dllexport' attribute only applies to variables and functions}} +enum __declspec(dllexport) Enum { EnumVal }; // expected-warning{{'dllexport' attribute only applies to variables and functions}} +struct __declspec(dllexport) Record {}; // expected-warning{{'dllexport' attribute only applies to variables and functions}} + + + +//===----------------------------------------------------------------------===// +// Globals +//===----------------------------------------------------------------------===// + +// Export declaration. +__declspec(dllexport) extern int ExternGlobalDecl; + +// dllexport implies a definition. +__declspec(dllexport) int GlobalDef; + +// Export definition. +__declspec(dllexport) int GlobalInit1 = 1; +int __declspec(dllexport) GlobalInit2 = 1; + +// Declare, then export definition. +__declspec(dllexport) extern int GlobalDeclInit; +int GlobalDeclInit = 1; + +// Redeclarations +__declspec(dllexport) extern int GlobalRedecl1; +__declspec(dllexport) int GlobalRedecl1; + +__declspec(dllexport) extern int GlobalRedecl2; + int GlobalRedecl2; + + extern int GlobalRedecl3; // expected-note{{previous declaration is here}} +__declspec(dllexport) extern int GlobalRedecl3; // expected-error{{redeclaration of 'GlobalRedecl3' cannot add 'dllexport' attribute}} + +// External linkage is required. +__declspec(dllexport) static int StaticGlobal; // expected-error{{'StaticGlobal' must have external linkage when declared 'dllexport'}} + +// Export in local scope. +void functionScope() { + __declspec(dllexport) int LocalVarDecl; // expected-error{{'LocalVarDecl' must have external linkage when declared 'dllexport'}} + __declspec(dllexport) int LocalVarDef = 1; // expected-error{{'LocalVarDef' must have external linkage when declared 'dllexport'}} + __declspec(dllexport) extern int ExternLocalVarDecl; + __declspec(dllexport) static int StaticLocalVar; // expected-error{{'StaticLocalVar' must have external linkage when declared 'dllexport'}} +} + + + +//===----------------------------------------------------------------------===// +// Functions +//===----------------------------------------------------------------------===// + +// Export function declaration. Check different placements. +__attribute__((dllexport)) void decl1A(); // Sanity check with __attribute__ +__declspec(dllexport) void decl1B(); + +void __attribute__((dllexport)) decl2A(); +void __declspec(dllexport) decl2B(); + +// Export function definition. +__declspec(dllexport) void def() {} + +// Export inline function. +__declspec(dllexport) inline void inlineFunc1() {} +extern void inlineFunc1(); + +inline void __attribute__((dllexport)) inlineFunc2() {} +extern void inlineFunc2(); + +// Redeclarations +__declspec(dllexport) void redecl1(); +__declspec(dllexport) void redecl1(); + +__declspec(dllexport) void redecl2(); + void redecl2(); + +__declspec(dllexport) void redecl3(); + void redecl3() {} + + void redecl4(); // expected-note{{previous declaration is here}} +__declspec(dllexport) void redecl4(); // expected-error{{redeclaration of 'redecl4' cannot add 'dllexport' attribute}} + + void redecl5(); // expected-note{{previous declaration is here}} +__declspec(dllexport) inline void redecl5() {} // expected-error{{redeclaration of 'redecl5' cannot add 'dllexport' attribute}} + +// External linkage is required. +__declspec(dllexport) static int staticFunc(); // expected-error{{'staticFunc' must have external linkage when declared 'dllexport'}} + + + +//===----------------------------------------------------------------------===// +// Precedence +//===----------------------------------------------------------------------===// + +// dllexport takes precedence over dllimport if both are specified. +__attribute__((dllimport, dllexport)) extern int PrecedenceExternGlobal1A; // expected-warning{{'dllimport' attribute ignored}} +__declspec(dllimport) __declspec(dllexport) extern int PrecedenceExternGlobal1B; // expected-warning{{'dllimport' attribute ignored}} + +__attribute__((dllexport, dllimport)) extern int PrecedenceExternGlobal2A; // expected-warning{{'dllimport' attribute ignored}} +__declspec(dllexport) __declspec(dllimport) extern int PrecedenceExternGlobal2B; // expected-warning{{'dllimport' attribute ignored}} + +__attribute__((dllimport, dllexport)) int PrecedenceGlobal1A; // expected-warning{{'dllimport' attribute ignored}} +__declspec(dllimport) __declspec(dllexport) int PrecedenceGlobal1B; // expected-warning{{'dllimport' attribute ignored}} + +__attribute__((dllexport, dllimport)) int PrecedenceGlobal2A; // expected-warning{{'dllimport' attribute ignored}} +__declspec(dllexport) __declspec(dllimport) int PrecedenceGlobal2B; // expected-warning{{'dllimport' attribute ignored}} + +__declspec(dllexport) extern int PrecedenceExternGlobalRedecl1; +__declspec(dllimport) extern int PrecedenceExternGlobalRedecl1; // expected-warning{{'dllimport' attribute ignored}} + +__declspec(dllimport) extern int PrecedenceExternGlobalRedecl2; // expected-warning{{'dllimport' attribute ignored}} +__declspec(dllexport) extern int PrecedenceExternGlobalRedecl2; + +__declspec(dllexport) extern int PrecedenceGlobalRedecl1; +__declspec(dllimport) int PrecedenceGlobalRedecl1; // expected-warning{{'dllimport' attribute ignored}} + +__declspec(dllimport) extern int PrecedenceGlobalRedecl2; // expected-warning{{'dllimport' attribute ignored}} +__declspec(dllexport) int PrecedenceGlobalRedecl2; + +void __attribute__((dllimport, dllexport)) precedence1A() {} // expected-warning{{'dllimport' attribute ignored}} +void __declspec(dllimport) __declspec(dllexport) precedence1B() {} // expected-warning{{'dllimport' attribute ignored}} + +void __attribute__((dllexport, dllimport)) precedence2A() {} // expected-warning{{'dllimport' attribute ignored}} +void __declspec(dllexport) __declspec(dllimport) precedence2B() {} // expected-warning{{'dllimport' attribute ignored}} + +void __declspec(dllimport) precedenceRedecl1(); // expected-warning{{'dllimport' attribute ignored}} +void __declspec(dllexport) precedenceRedecl1() {} + +void __declspec(dllexport) precedenceRedecl2(); +void __declspec(dllimport) precedenceRedecl2() {} // expected-warning{{'dllimport' attribute ignored}} |