186 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			186 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // RUN: %clang_cc1 -triple i686-pc-win32 -cxx-abi microsoft -fms-extensions -verify %s
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| 
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| typedef void void_fun_t();
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| typedef void __cdecl cdecl_fun_t();
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| 
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| // Pointers to free functions
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| void            free_func_default(); // expected-note 2 {{previous declaration is here}}
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| void __cdecl    free_func_cdecl(); // expected-note 2 {{previous declaration is here}}
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| void __stdcall  free_func_stdcall(); // expected-note 2 {{previous declaration is here}}
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| void __fastcall free_func_fastcall(); // expected-note 2 {{previous declaration is here}}
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| 
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| void __cdecl    free_func_default();
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| void __stdcall  free_func_default(); // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
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| void __fastcall free_func_default(); // expected-error {{function declared 'fastcall' here was previously declared without calling convention}}
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| 
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| void            free_func_cdecl();
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| void __stdcall  free_func_cdecl(); // expected-error {{function declared 'stdcall' here was previously declared 'cdecl'}}
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| void __fastcall free_func_cdecl(); // expected-error {{function declared 'fastcall' here was previously declared 'cdecl'}}
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| 
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| void            free_func_stdcall();
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| void __cdecl    free_func_stdcall(); // expected-error {{function declared 'cdecl' here was previously declared 'stdcall'}}
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| void __fastcall free_func_stdcall(); // expected-error {{function declared 'fastcall' here was previously declared 'stdcall'}}
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| 
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| void __cdecl    free_func_fastcall(); // expected-error {{function declared 'cdecl' here was previously declared 'fastcall'}}
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| void __stdcall  free_func_fastcall(); // expected-error {{function declared 'stdcall' here was previously declared 'fastcall'}}
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| void            free_func_fastcall();
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| 
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| // Overloaded functions may have different calling conventions
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| void __fastcall free_func_default(int);
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| void __cdecl    free_func_default(int *);
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| 
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| void __thiscall free_func_cdecl(char *);
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| void __cdecl    free_func_cdecl(double);
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| 
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| typedef void void_fun_t();
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| typedef void __cdecl cdecl_fun_t();
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| 
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| // Pointers to member functions
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| struct S {
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|   void            member_default1(); // expected-note {{previous declaration is here}}
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|   void            member_default2();
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|   void __cdecl    member_cdecl1();
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|   void __cdecl    member_cdecl2(); // expected-note {{previous declaration is here}}
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|   void __thiscall member_thiscall1();
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|   void __thiscall member_thiscall2(); // expected-note {{previous declaration is here}}
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| 
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|   // Typedefs carrying the __cdecl convention are adjusted to __thiscall.
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|   void_fun_t           member_typedef_default; // expected-note {{previous declaration is here}}
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|   cdecl_fun_t          member_typedef_cdecl1;  // expected-note {{previous declaration is here}}
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|   cdecl_fun_t __cdecl  member_typedef_cdecl2;
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|   void_fun_t __stdcall member_typedef_stdcall;
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| 
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|   // Static member functions can't be __thiscall
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|   static void            static_member_default1();
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|   static void            static_member_default2();
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|   static void            static_member_default3(); // expected-note {{previous declaration is here}}
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|   static void __cdecl    static_member_cdecl1();
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|   static void __cdecl    static_member_cdecl2(); // expected-note {{previous declaration is here}}
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|   static void __stdcall  static_member_stdcall1();
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|   static void __stdcall  static_member_stdcall2();
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| 
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|   // Variadic functions can't be other than default or __cdecl
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|   void            member_variadic_default(int x, ...);
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|   void __cdecl    member_variadic_cdecl(int x, ...);
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| 
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|   static void            static_member_variadic_default(int x, ...);
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|   static void __cdecl    static_member_variadic_cdecl(int x, ...);
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| };
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| 
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| void __cdecl    S::member_default1() {} // expected-error {{function declared 'cdecl' here was previously declared without calling convention}}
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| void __thiscall S::member_default2() {}
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| 
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| void __cdecl   S::member_typedef_default() {} // expected-error {{function declared 'cdecl' here was previously declared without calling convention}}
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| void __cdecl   S::member_typedef_cdecl1() {} // expected-error {{function declared 'cdecl' here was previously declared without calling convention}}
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| void __cdecl   S::member_typedef_cdecl2() {}
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| void __stdcall S::member_typedef_stdcall() {}
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| 
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| void            S::member_cdecl1() {}
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| void __thiscall S::member_cdecl2() {} // expected-error {{function declared 'thiscall' here was previously declared 'cdecl'}}
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| 
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| void            S::member_thiscall1() {}
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| void __cdecl    S::member_thiscall2() {} // expected-error {{function declared 'cdecl' here was previously declared 'thiscall'}}
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| 
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| void            S::static_member_default1() {}
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| void __cdecl    S::static_member_default2() {}
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| void __stdcall  S::static_member_default3() {} // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
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| 
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| void            S::static_member_cdecl1() {}
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| void __stdcall  S::static_member_cdecl2() {} // expected-error {{function declared 'stdcall' here was previously declared 'cdecl'}}
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| 
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| void __cdecl    S::member_variadic_default(int x, ...) { (void)x; }
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| void            S::member_variadic_cdecl(int x, ...) { (void)x; }
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| 
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| void __cdecl    S::static_member_variadic_default(int x, ...) { (void)x; }
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| void            S::static_member_variadic_cdecl(int x, ...) { (void)x; }
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| 
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| // Declare a template using a calling convention.
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| template <class CharT> inline int __cdecl mystrlen(const CharT *str) {
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|   int i;
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|   for (i = 0; str[i]; i++) { }
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|   return i;
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| }
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| extern int sse_strlen(const char *str);
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| template <> inline int __cdecl mystrlen(const char *str) {
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|   return sse_strlen(str);
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| }
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| void use_tmpl(const char *str, const int *ints) {
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|   mystrlen(str);
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|   mystrlen(ints);
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| }
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| 
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| struct MixedCCStaticOverload {
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|   static void overloaded(int a);
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|   static void __stdcall overloaded(short a);
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| };
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| 
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| void MixedCCStaticOverload::overloaded(int a) {}
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| void MixedCCStaticOverload::overloaded(short a) {}
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| 
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| // Friend function decls are cdecl by default, not thiscall.  Friend method
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| // decls should always be redeclarations, because the class cannot be
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| // incomplete.
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| struct FriendClass {
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|   void friend_method() {}
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| };
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| void __stdcall friend_stdcall1() {}
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| class MakeFriendDecls {
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|   int x;
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|   friend void FriendClass::friend_method();
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|   friend void              friend_default();
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|   friend void              friend_stdcall1();
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|   friend void __stdcall    friend_stdcall2();
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|   friend void              friend_stdcall3(); // expected-note {{previous declaration is here}}
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| };
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| void           friend_default() {}
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| void __stdcall friend_stdcall3() {} // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
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| void __stdcall friend_stdcall2() {}
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| 
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| // Test functions with multiple attributes.
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| void __attribute__((noreturn)) __stdcall __attribute__((regparm(1))) multi_attribute(int x);
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| void multi_attribute(int x) { __builtin_unreachable(); }
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| 
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| 
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| // expected-error@+2 {{stdcall and cdecl attributes are not compatible}}
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| // expected-error@+1 {{fastcall and cdecl attributes are not compatible}}
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| void __cdecl __cdecl __stdcall __cdecl __fastcall multi_cc(int x);
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| 
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| template <typename T> void __stdcall StdcallTemplate(T) {}
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| template <> void StdcallTemplate<int>(int) {}
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| template <> void __stdcall StdcallTemplate<short>(short) {}
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| 
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| // FIXME: Note the template, not the implicit instantiation.
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| // expected-error@+2 {{function declared 'cdecl' here was previously declared 'stdcall}}
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| // expected-note@+1 {{previous declaration is here}}
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| template <> void __cdecl StdcallTemplate<long>(long) {}
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| 
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| struct ExactlyInt {
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|   template <typename T> static int cast_to_int(T) {
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|     return T::this_is_not_an_int();
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|   }
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| };
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| template <> inline int ExactlyInt::cast_to_int<int>(int x) { return x; }
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| 
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| namespace test2 {
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|   class foo {
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|     template <typename T> void bar(T v);
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|   };
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|   extern template void foo::bar(const void *);
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| }
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| 
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| namespace test3 {
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|   struct foo {
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|     typedef void bar();
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|   };
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|   bool zed(foo::bar *);
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|   void bah() {}
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|   void baz() { zed(bah); }
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| }
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| 
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| namespace test4 {
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|   class foo {
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|     template <typename T> static void bar(T v);
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|   };
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|   extern template void foo::bar(const void *);
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| }
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