constant-builtins-2.c revision df7c3b955e31a6951822f2adf36e98543ef14c7e 
1// RUN: clang-cc -fsyntax-only %s
2
3// Math stuff
4
5double       g0  = __builtin_huge_val();
6float        g1  = __builtin_huge_valf();
7long double  g2  = __builtin_huge_vall();
8
9double       g3  = __builtin_inf();
10float        g4  = __builtin_inff();
11long double  g5  = __builtin_infl();
12
13double       g6  = __builtin_nan("");
14float        g7  = __builtin_nanf("");
15long double  g8  = __builtin_nanl("");
16
17// GCC constant folds these too (via native strtol):
18//double       g6_1  = __builtin_nan("1");
19//float        g7_1  = __builtin_nanf("1");
20//long double  g8_1  = __builtin_nanl("1");
21
22// APFloat doesn't have signalling NaN functions.
23//double       g9  = __builtin_nans("");
24//float        g10 = __builtin_nansf("");
25//long double  g11 = __builtin_nansl("");
26
27//int          g12 = __builtin_abs(-12);
28
29double       g13 = __builtin_fabs(-12.);
30double       g13_0 = __builtin_fabs(-0.);
31double       g13_1 = __builtin_fabs(-__builtin_inf());
32float        g14 = __builtin_fabsf(-12.f);
33// GCC doesn't eat this one.
34//long double  g15 = __builtin_fabsfl(-12.0L);
35
36float        g16 = __builtin_copysign(1.0, -1.0);
37double       g17 = __builtin_copysignf(1.0f, -1.0f);
38long double  g18 = __builtin_copysignl(1.0L, -1.0L);
39
40//double       g19 = __builtin_powi(2.0, 4);
41//float        g20 = __builtin_powif(2.0f, 4);
42//long double  g21 = __builtin_powil(2.0L, 4);
43
44// GCC misc stuff
45
46extern int f();
47
48int h0 = __builtin_types_compatible_p(int, float);
49//int h1 = __builtin_choose_expr(1, 10, f());
50//int h2 = __builtin_expect(0, 0);
51extern long int bi0;
52extern __typeof__(__builtin_expect(0, 0)) bi0;
53