| // RUN: %clang_cc1 -triple i686-win32 -fsyntax-only -fms-extensions -verify -std=c99 %s |
| // RUN: %clang_cc1 -triple x86_64-win32 -fsyntax-only -fms-extensions -verify -std=c11 %s |
| // RUN: %clang_cc1 -triple i686-mingw32 -fsyntax-only -fms-extensions -verify -std=c11 %s |
| // RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -fms-extensions -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}} |
| int useGlobalRedecl3() { return GlobalRedecl3; } |
| __declspec(dllexport) extern int GlobalRedecl3; // expected-error{{redeclaration of 'GlobalRedecl3' cannot add 'dllexport' attribute}} |
| |
| extern int GlobalRedecl4; // expected-note{{previous declaration is here}} |
| __declspec(dllexport) extern int GlobalRedecl4; // expected-warning{{redeclaration of 'GlobalRedecl4' should not add 'dllexport' attribute}} |
| |
| |
| // External linkage is required. |
| __declspec(dllexport) static int StaticGlobal; // expected-error{{'StaticGlobal' must have external linkage when declared 'dllexport'}} |
| |
| // Thread local variables are invalid. |
| __declspec(dllexport) __thread int ThreadLocalGlobal; // expected-error{{'ThreadLocalGlobal' cannot be thread local 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}} |
| void useRedecl4() { redecl4(); } |
| __declspec(dllexport) void redecl4(); // expected-error{{redeclaration of 'redecl4' cannot add 'dllexport' attribute}} |
| |
| void redecl5(); // expected-note{{previous declaration is here}} |
| void useRedecl5() { redecl5(); } |
| __declspec(dllexport) inline void redecl5() {} // expected-error{{redeclaration of 'redecl5' cannot add 'dllexport' attribute}} |
| |
| // Allow with a warning if the decl hasn't been used yet. |
| void redecl6(); // expected-note{{previous declaration is here}} |
| __declspec(dllexport) void redecl6(); // expected-warning{{redeclaration of 'redecl6' should not add 'dllexport' attribute}} |
| |
| |
| // External linkage is required. |
| __declspec(dllexport) static int staticFunc(); // expected-error{{'staticFunc' must have external linkage when declared 'dllexport'}} |
| |
| // Static locals don't count as having external linkage. |
| void staticLocalFunc() { |
| __declspec(dllexport) static int staticLocal; // expected-error{{'staticLocal' 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}} |