blob: ac81e7b08dc95e97a8cecd291fd7c06f6d98da70 [file] [log] [blame]
// RUN: %clang_cc1 -fsyntax-only -verify %s
extern int funcInt(int);
extern float funcFloat(float);
extern double funcDouble(double);
// figure out why "char *" doesn't work (with gcc, nothing to do with clang)
//extern void funcCharPtr(char *);
#define func(expr) \
do { \
typeof(expr) tmp; \
if (__builtin_types_compatible_p(typeof(expr), int)) funcInt(tmp); \
else if (__builtin_types_compatible_p(typeof(expr), float)) funcFloat(tmp); \
else if (__builtin_types_compatible_p(typeof(expr), double)) funcDouble(tmp); \
} while (0)
#define func_choose(expr) \
__builtin_choose_expr(__builtin_types_compatible_p(typeof(expr), int), funcInt(expr), \
__builtin_choose_expr(__builtin_types_compatible_p(typeof(expr), float), funcFloat(expr), \
__builtin_choose_expr(__builtin_types_compatible_p(typeof(expr), double), funcDouble(expr), (void)0)))
static void test()
int a;
float b;
double d;
a = func_choose(a);
b = func_choose(b);
d = func_choose(d);
int c;
struct xx { int a; } x, y;
c = __builtin_choose_expr(a+3-7, b, x); // expected-error{{'__builtin_choose_expr' requires a constant expression}}
c = __builtin_choose_expr(0, b, x); // expected-error{{assigning to 'int' from incompatible type 'struct xx'}}
c = __builtin_choose_expr(5+3-7, b, x);
y = __builtin_choose_expr(4+3-7, b, x);