forked from OSchip/llvm-project
266 lines
10 KiB
C++
266 lines
10 KiB
C++
// RUN: %clang_cc1 -std=c++14 -triple i686-pc-win32 -fms-extensions -DMSABI -verify %s
|
|
// RUN: %clang_cc1 -std=c++14 -triple i686-pc-mingw32 -verify %s
|
|
// RUN: %clang_cc1 -std=c++14 -triple i686-pc-mingw32 -fms-extensions -verify %s
|
|
|
|
typedef void void_fun_t();
|
|
typedef void __cdecl cdecl_fun_t();
|
|
|
|
// Pointers to free functions
|
|
void free_func_default(); // expected-note 2 {{previous declaration is here}}
|
|
void __cdecl free_func_cdecl(); // expected-note 2 {{previous declaration is here}}
|
|
void __stdcall free_func_stdcall(); // expected-note 2 {{previous declaration is here}}
|
|
void __fastcall free_func_fastcall(); // expected-note 2 {{previous declaration is here}}
|
|
void __vectorcall free_func_vectorcall(); // expected-note 2 {{previous declaration is here}}
|
|
|
|
void __cdecl free_func_default();
|
|
void __stdcall free_func_default(); // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
|
|
void __fastcall free_func_default(); // expected-error {{function declared 'fastcall' here was previously declared without calling convention}}
|
|
|
|
void free_func_cdecl();
|
|
void __stdcall free_func_cdecl(); // expected-error {{function declared 'stdcall' here was previously declared 'cdecl'}}
|
|
void __fastcall free_func_cdecl(); // expected-error {{function declared 'fastcall' here was previously declared 'cdecl'}}
|
|
|
|
void free_func_stdcall();
|
|
void __cdecl free_func_stdcall(); // expected-error {{function declared 'cdecl' here was previously declared 'stdcall'}}
|
|
void __fastcall free_func_stdcall(); // expected-error {{function declared 'fastcall' here was previously declared 'stdcall'}}
|
|
|
|
void __cdecl free_func_fastcall(); // expected-error {{function declared 'cdecl' here was previously declared 'fastcall'}}
|
|
void __stdcall free_func_fastcall(); // expected-error {{function declared 'stdcall' here was previously declared 'fastcall'}}
|
|
void free_func_fastcall();
|
|
|
|
void __cdecl free_func_vectorcall(); // expected-error {{function declared 'cdecl' here was previously declared 'vectorcall'}}
|
|
void __stdcall free_func_vectorcall(); // expected-error {{function declared 'stdcall' here was previously declared 'vectorcall'}}
|
|
void free_func_vectorcall();
|
|
|
|
// Overloaded functions may have different calling conventions
|
|
void __fastcall free_func_default(int);
|
|
void __cdecl free_func_default(int *);
|
|
|
|
void __thiscall free_func_cdecl(char *);
|
|
void __cdecl free_func_cdecl(double);
|
|
|
|
typedef void void_fun_t();
|
|
typedef void __cdecl cdecl_fun_t();
|
|
|
|
// Pointers to member functions
|
|
struct S {
|
|
void member_default1(); // expected-note {{previous declaration is here}}
|
|
void member_default2();
|
|
void __cdecl member_cdecl1();
|
|
void __cdecl member_cdecl2(); // expected-note {{previous declaration is here}}
|
|
void __thiscall member_thiscall1();
|
|
void __thiscall member_thiscall2(); // expected-note {{previous declaration is here}}
|
|
void __vectorcall member_vectorcall1();
|
|
void __vectorcall member_vectorcall2(); // expected-note {{previous declaration is here}}
|
|
|
|
// Typedefs carrying the __cdecl convention are adjusted to __thiscall.
|
|
void_fun_t member_typedef_default; // expected-note {{previous declaration is here}}
|
|
cdecl_fun_t member_typedef_cdecl1; // expected-note {{previous declaration is here}}
|
|
cdecl_fun_t __cdecl member_typedef_cdecl2;
|
|
void_fun_t __stdcall member_typedef_stdcall;
|
|
|
|
// Static member functions can't be __thiscall
|
|
static void static_member_default1();
|
|
static void static_member_default2();
|
|
static void static_member_default3(); // expected-note {{previous declaration is here}}
|
|
static void __cdecl static_member_cdecl1();
|
|
static void __cdecl static_member_cdecl2(); // expected-note {{previous declaration is here}}
|
|
static void __stdcall static_member_stdcall1();
|
|
static void __stdcall static_member_stdcall2();
|
|
|
|
// Variadic functions can't be other than default or __cdecl
|
|
void member_variadic_default(int x, ...);
|
|
void __cdecl member_variadic_cdecl(int x, ...);
|
|
|
|
static void static_member_variadic_default(int x, ...);
|
|
static void __cdecl static_member_variadic_cdecl(int x, ...);
|
|
|
|
// Structors can't be other than default in MS ABI environment
|
|
#ifdef MSABI
|
|
__vectorcall S(); // expected-warning {{vectorcall calling convention is not supported on constructor/destructor}}
|
|
#endif
|
|
};
|
|
|
|
void __cdecl S::member_default1() {} // expected-error {{function declared 'cdecl' here was previously declared without calling convention}}
|
|
void __thiscall S::member_default2() {}
|
|
|
|
void __cdecl S::member_typedef_default() {} // expected-error {{function declared 'cdecl' here was previously declared without calling convention}}
|
|
void __cdecl S::member_typedef_cdecl1() {} // expected-error {{function declared 'cdecl' here was previously declared without calling convention}}
|
|
void __cdecl S::member_typedef_cdecl2() {}
|
|
void __stdcall S::member_typedef_stdcall() {}
|
|
|
|
void S::member_cdecl1() {}
|
|
void __thiscall S::member_cdecl2() {} // expected-error {{function declared 'thiscall' here was previously declared 'cdecl'}}
|
|
|
|
void S::member_thiscall1() {}
|
|
void __cdecl S::member_thiscall2() {} // expected-error {{function declared 'cdecl' here was previously declared 'thiscall'}}
|
|
|
|
void S::member_vectorcall1() {}
|
|
void __cdecl S::member_vectorcall2() {} // expected-error {{function declared 'cdecl' here was previously declared 'vectorcall'}}
|
|
|
|
void S::static_member_default1() {}
|
|
void __cdecl S::static_member_default2() {}
|
|
void __stdcall S::static_member_default3() {} // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
|
|
|
|
void S::static_member_cdecl1() {}
|
|
void __stdcall S::static_member_cdecl2() {} // expected-error {{function declared 'stdcall' here was previously declared 'cdecl'}}
|
|
|
|
void __cdecl S::member_variadic_default(int x, ...) { (void)x; }
|
|
void S::member_variadic_cdecl(int x, ...) { (void)x; }
|
|
|
|
void __cdecl S::static_member_variadic_default(int x, ...) { (void)x; }
|
|
void S::static_member_variadic_cdecl(int x, ...) { (void)x; }
|
|
|
|
// Declare a template using a calling convention.
|
|
template <class CharT> inline int __cdecl mystrlen(const CharT *str) {
|
|
int i;
|
|
for (i = 0; str[i]; i++) { }
|
|
return i;
|
|
}
|
|
extern int sse_strlen(const char *str);
|
|
template <> inline int __cdecl mystrlen(const char *str) {
|
|
return sse_strlen(str);
|
|
}
|
|
void use_tmpl(const char *str, const int *ints) {
|
|
mystrlen(str);
|
|
mystrlen(ints);
|
|
}
|
|
|
|
struct MixedCCStaticOverload {
|
|
static void overloaded(int a);
|
|
static void __stdcall overloaded(short a);
|
|
};
|
|
|
|
void MixedCCStaticOverload::overloaded(int a) {}
|
|
void MixedCCStaticOverload::overloaded(short a) {}
|
|
|
|
// Friend function decls are cdecl by default, not thiscall. Friend method
|
|
// decls should always be redeclarations, because the class cannot be
|
|
// incomplete.
|
|
struct FriendClass {
|
|
void friend_method() {}
|
|
};
|
|
void __stdcall friend_stdcall1() {}
|
|
class MakeFriendDecls {
|
|
int x;
|
|
friend void FriendClass::friend_method();
|
|
friend void friend_default();
|
|
friend void friend_stdcall1();
|
|
friend void __stdcall friend_stdcall2();
|
|
friend void friend_stdcall3(); // expected-note {{previous declaration is here}}
|
|
};
|
|
void friend_default() {}
|
|
void __stdcall friend_stdcall3() {} // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
|
|
void __stdcall friend_stdcall2() {}
|
|
|
|
// Test functions with multiple attributes.
|
|
void __attribute__((noreturn)) __stdcall __attribute__((regparm(1))) multi_attribute(int x);
|
|
void multi_attribute(int x) { __builtin_unreachable(); }
|
|
|
|
|
|
// expected-error@+3 {{vectorcall and cdecl attributes are not compatible}}
|
|
// expected-error@+2 {{stdcall and cdecl attributes are not compatible}}
|
|
// expected-error@+1 {{fastcall and cdecl attributes are not compatible}}
|
|
void __cdecl __cdecl __stdcall __cdecl __fastcall __vectorcall multi_cc(int x);
|
|
|
|
template <typename T> void __stdcall StdcallTemplate(T) {}
|
|
template <> void StdcallTemplate<int>(int) {}
|
|
template <> void __stdcall StdcallTemplate<short>(short) {}
|
|
|
|
// FIXME: Note the template, not the implicit instantiation.
|
|
// expected-error@+2 {{function declared 'cdecl' here was previously declared 'stdcall}}
|
|
// expected-note@+1 {{previous declaration is here}}
|
|
template <> void __cdecl StdcallTemplate<long>(long) {}
|
|
|
|
struct ExactlyInt {
|
|
template <typename T> static int cast_to_int(T) {
|
|
return T::this_is_not_an_int();
|
|
}
|
|
};
|
|
template <> inline int ExactlyInt::cast_to_int<int>(int x) { return x; }
|
|
|
|
namespace test2 {
|
|
class foo {
|
|
template <typename T> void bar(T v);
|
|
};
|
|
extern template void foo::bar(const void *);
|
|
}
|
|
|
|
namespace test3 {
|
|
struct foo {
|
|
typedef void bar();
|
|
};
|
|
bool zed(foo::bar *);
|
|
void bah() {}
|
|
void baz() { zed(bah); }
|
|
}
|
|
|
|
namespace test4 {
|
|
class foo {
|
|
template <typename T> static void bar(T v);
|
|
};
|
|
extern template void foo::bar(const void *);
|
|
}
|
|
|
|
namespace test5 {
|
|
template <class T>
|
|
class valarray {
|
|
void bar();
|
|
};
|
|
extern template void valarray<int>::bar();
|
|
}
|
|
|
|
namespace test6 {
|
|
struct foo {
|
|
int bar();
|
|
};
|
|
typedef int bar_t();
|
|
void zed(bar_t foo::*) {
|
|
}
|
|
void baz() {
|
|
zed(&foo::bar);
|
|
}
|
|
}
|
|
|
|
namespace test7 {
|
|
template <typename T>
|
|
struct S {
|
|
void f(T t) {
|
|
t = 42;
|
|
}
|
|
};
|
|
template<> void S<void*>::f(void*);
|
|
void g(S<void*> s, void* p) {
|
|
s.f(p);
|
|
}
|
|
}
|
|
|
|
namespace test8 {
|
|
template <typename T>
|
|
struct S {
|
|
void f(T t) { // expected-note {{previous declaration is here}}
|
|
t = 42; // expected-error {{incompatible integer to pointer conversion assigning to 'void *' from 'int'}}
|
|
}
|
|
};
|
|
template<> void __cdecl S<void*>::f(void*); // expected-error {{function declared 'cdecl' here was previously declared without calling convention}}
|
|
void g(S<void*> s, void* p) {
|
|
s.f(p); // expected-note {{in instantiation of member function 'test8::S<void *>::f' requested here}}
|
|
}
|
|
}
|
|
|
|
namespace test9 {
|
|
// Used to fail when we forgot to make lambda call operators use __thiscall.
|
|
template <typename F>
|
|
decltype(auto) deduce(F f) {
|
|
return &decltype(f)::operator();
|
|
}
|
|
template <typename C, typename R, typename A>
|
|
decltype(auto) signaturehelper(R (C::*f)(A) const) {
|
|
return R();
|
|
}
|
|
void f() {
|
|
auto l = [](int x) { return x * 2; };
|
|
decltype(signaturehelper(deduce(l))) p;
|
|
}
|
|
}
|