clang/test/SemaOpenCL/func.cl

   1 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -triple spir-unknown-unknown
   2
   3 // Variadic functions
   4 void vararg_f(int, ...);                    // expected-error {{invalid prototype, variadic arguments are not allowed in OpenCL}}
   5 void __vararg_f(int, ...);
   6 typedef void (*vararg_fptr_t)(int, ...);    // expected-error {{invalid prototype, variadic arguments are not allowed in OpenCL}}
   7                                             // expected-error@-1{{pointers to functions are not allowed}}
   8 int printf(__constant const char *st, ...); // expected-error {{invalid prototype, variadic arguments are not allowed in OpenCL}}
   9
  10 // Struct type with function pointer field
  11 typedef struct s
  12 {
  13    void (*f)(struct s *self, int *i);       // expected-error{{pointers to functions are not allowed}}
  14 } s_t;
  15
  16 //Function pointer
  17 void foo(void*);
  18
  19 // Expect no diagnostics for an empty parameter list.
  20 void bar();
  21
  22 void bar()
  23 {
  24   // declaring a function pointer is an error
  25   void (*fptr)(int); // expected-error{{pointers to functions are not allowed}}
  26
  27   // taking the address of a function is an error
  28   foo((void*)foo); // expected-error{{taking address of function is not allowed}}
  29   foo(&foo); // expected-error{{taking address of function is not allowed}}
  30
  31   // initializing an array with the address of functions is an error
  32   void* vptrarr[2] = {foo, &foo}; // expected-error{{taking address of function is not allowed}} expected-error{{taking address of function is not allowed}}
  33
  34   // just calling a function is correct
  35   foo(0);
  36 }