llvm-project/clang/test/Sema/constant-builtins.c

29 lines
756 B
C

// RUN: %clang_cc1 -fsyntax-only %s -verify -pedantic
// expected-no-diagnostics
// Math stuff
float g0 = __builtin_huge_val();
double g1 = __builtin_huge_valf();
long double g2 = __builtin_huge_vall();
float g3 = __builtin_inf();
double g4 = __builtin_inff();
long double g5 = __builtin_infl();
// GCC misc stuff
extern int f();
int h0 = __builtin_types_compatible_p(int,float);
//int h1 = __builtin_choose_expr(1, 10, f());
//int h2 = __builtin_expect(0, 0);
int h3 = __builtin_bswap16(0x1234) == 0x3412 ? 1 : f();
int h4 = __builtin_bswap32(0x1234) == 0x34120000 ? 1 : f();
int h5 = __builtin_bswap64(0x1234) == 0x3412000000000000 ? 1 : f();
short somefunc();
short t = __builtin_constant_p(5353) ? 42 : somefunc();