blob: ff631ed9c85ef23aea958c2e6800ea188bc99171 [file] [log] [blame]
// RUN: %clang_cc1 -fsyntax-only -verify %s
int var __attribute__((overloadable)); // expected-error{{'overloadable' attribute can only be applied to a function}}
int *f(int) __attribute__((overloadable)); // expected-note 2{{previous overload of function is here}}
float *f(float); // expected-error{{overloaded function 'f' must have the 'overloadable' attribute}}
int *f(int); // expected-error{{redeclaration of 'f' must have the 'overloadable' attribute}} \
// expected-note{{previous declaration is here}}
double *f(double) __attribute__((overloadable)); // okay, new
void test_f(int iv, float fv, double dv) {
int *ip = f(iv);
float *fp = f(fv);
double *dp = f(dv);
int *accept_funcptr(int (*)()) __attribute__((overloadable)); // \
// expected-note{{candidate function}}
float *accept_funcptr(int (*)(int, double)) __attribute__((overloadable)); // \
// expected-note{{candidate function}}
void test_funcptr(int (*f1)(int, double),
int (*f2)(int, float)) {
float *fp = accept_funcptr(f1);
accept_funcptr(f2); // expected-error{{no matching function for call to 'accept_funcptr'; candidates are:}}
struct X { int x; float y; };
struct Y { int x; float y; };
int* accept_struct(struct X x) __attribute__((__overloadable__));
float* accept_struct(struct Y y) __attribute__((overloadable));
void test_struct(struct X x, struct Y y) {
int *ip = accept_struct(x);
float *fp = accept_struct(y);
double *f(int) __attribute__((overloadable)); // expected-error{{conflicting types for 'f'}}
double promote(float) __attribute__((__overloadable__)); // expected-note {{candidate}}
double promote(double) __attribute__((__overloadable__)); // expected-note {{candidate}}
long double promote(long double) __attribute__((__overloadable__)); // expected-note {{candidate}}
void promote() __attribute__((__overloadable__)); // expected-error{{'overloadable' function 'promote' must have a prototype}}
void promote(...) __attribute__((__overloadable__, __unavailable__)); // \
// expected-note{{candidate function}}
void test_promote(short* sp) {
promote(sp); // expected-error{{call to unavailable function 'promote'}}