| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| // Math stuff |
| |
| double g0 = __builtin_huge_val(); |
| float g1 = __builtin_huge_valf(); |
| long double g2 = __builtin_huge_vall(); |
| |
| double g3 = __builtin_inf(); |
| float g4 = __builtin_inff(); |
| long double g5 = __builtin_infl(); |
| |
| double g6 = __builtin_nan(""); |
| float g7 = __builtin_nanf(""); |
| long double g8 = __builtin_nanl(""); |
| |
| // GCC constant folds these too (via native strtol): |
| //double g6_1 = __builtin_nan("1"); |
| //float g7_1 = __builtin_nanf("1"); |
| //long double g8_1 = __builtin_nanl("1"); |
| |
| // APFloat doesn't have signalling NaN functions. |
| //double g9 = __builtin_nans(""); |
| //float g10 = __builtin_nansf(""); |
| //long double g11 = __builtin_nansl(""); |
| |
| //int g12 = __builtin_abs(-12); |
| |
| double g13 = __builtin_fabs(-12.); |
| double g13_0 = __builtin_fabs(-0.); |
| double g13_1 = __builtin_fabs(-__builtin_inf()); |
| float g14 = __builtin_fabsf(-12.f); |
| // GCC doesn't eat this one. |
| //long double g15 = __builtin_fabsfl(-12.0L); |
| |
| float g16 = __builtin_copysign(1.0, -1.0); |
| double g17 = __builtin_copysignf(1.0f, -1.0f); |
| long double g18 = __builtin_copysignl(1.0L, -1.0L); |
| |
| char classify_nan [__builtin_fpclassify(+1, -1, -1, -1, -1, __builtin_nan(""))]; |
| char classify_snan [__builtin_fpclassify(+1, -1, -1, -1, -1, __builtin_nans(""))]; |
| char classify_inf [__builtin_fpclassify(-1, +1, -1, -1, -1, __builtin_inf())]; |
| char classify_neg_inf [__builtin_fpclassify(-1, +1, -1, -1, -1, -__builtin_inf())]; |
| char classify_normal [__builtin_fpclassify(-1, -1, +1, -1, -1, 1.539)]; |
| char classify_normal2 [__builtin_fpclassify(-1, -1, +1, -1, -1, 1e-307)]; |
| char classify_denorm [__builtin_fpclassify(-1, -1, -1, +1, -1, 1e-308)]; |
| char classify_denorm2 [__builtin_fpclassify(-1, -1, -1, +1, -1, -1e-308)]; |
| char classify_zero [__builtin_fpclassify(-1, -1, -1, -1, +1, 0.0)]; |
| char classify_neg_zero[__builtin_fpclassify(-1, -1, -1, -1, +1, -0.0)]; |
| |
| char isinf_sign_noninf1[__builtin_isinf_sign(-0.0) == 0 ? 1 : -1]; |
| char isinf_sign_noninf2[__builtin_isinf_sign(1e307) == 0 ? 1 : -1]; |
| char isinf_sign_noninf3[__builtin_isinf_sign(__builtin_nan("")) == 0 ? 1 : -1]; |
| char isinf_sign_noninf4[__builtin_isinf_sign(-436.) == 0 ? 1 : -1]; |
| char isinf_sign_inf [__builtin_isinf_sign(__builtin_inf()) == 1 ? 1 : -1]; |
| char isinf_sign_neg_inf[__builtin_isinf_sign(-__builtin_inf()) == -1 ? 1 : -1]; |
| |
| //double g19 = __builtin_powi(2.0, 4); |
| //float g20 = __builtin_powif(2.0f, 4); |
| //long double g21 = __builtin_powil(2.0L, 4); |
| |
| #define BITSIZE(x) (sizeof(x) * 8) |
| char g22[__builtin_clz(1) == BITSIZE(int) - 1 ? 1 : -1]; |
| char g23[__builtin_clz(7) == BITSIZE(int) - 3 ? 1 : -1]; |
| char g24[__builtin_clz(1 << (BITSIZE(int) - 1)) == 0 ? 1 : -1]; |
| int g25 = __builtin_clz(0); // expected-error {{not a compile-time constant}} |
| char g26[__builtin_clzl(0xFL) == BITSIZE(long) - 4 ? 1 : -1]; |
| char g27[__builtin_clzll(0xFFLL) == BITSIZE(long long) - 8 ? 1 : -1]; |
| |
| char g28[__builtin_ctz(1) == 0 ? 1 : -1]; |
| char g29[__builtin_ctz(8) == 3 ? 1 : -1]; |
| char g30[__builtin_ctz(1 << (BITSIZE(int) - 1)) == BITSIZE(int) - 1 ? 1 : -1]; |
| int g31 = __builtin_ctz(0); // expected-error {{not a compile-time constant}} |
| char g32[__builtin_ctzl(0x10L) == 4 ? 1 : -1]; |
| char g33[__builtin_ctzll(0x100LL) == 8 ? 1 : -1]; |
| |
| char g34[__builtin_popcount(0) == 0 ? 1 : -1]; |
| char g35[__builtin_popcount(0xF0F0) == 8 ? 1 : -1]; |
| char g36[__builtin_popcount(~0) == BITSIZE(int) ? 1 : -1]; |
| char g37[__builtin_popcount(~0L) == BITSIZE(int) ? 1 : -1]; |
| char g38[__builtin_popcountl(0L) == 0 ? 1 : -1]; |
| char g39[__builtin_popcountl(0xF0F0L) == 8 ? 1 : -1]; |
| char g40[__builtin_popcountl(~0L) == BITSIZE(long) ? 1 : -1]; |
| char g41[__builtin_popcountll(0LL) == 0 ? 1 : -1]; |
| char g42[__builtin_popcountll(0xF0F0LL) == 8 ? 1 : -1]; |
| char g43[__builtin_popcountll(~0LL) == BITSIZE(long long) ? 1 : -1]; |
| |
| char g44[__builtin_parity(0) == 0 ? 1 : -1]; |
| char g45[__builtin_parity(0xb821) == 0 ? 1 : -1]; |
| char g46[__builtin_parity(0xb822) == 0 ? 1 : -1]; |
| char g47[__builtin_parity(0xb823) == 1 ? 1 : -1]; |
| char g48[__builtin_parity(0xb824) == 0 ? 1 : -1]; |
| char g49[__builtin_parity(0xb825) == 1 ? 1 : -1]; |
| char g50[__builtin_parity(0xb826) == 1 ? 1 : -1]; |
| char g51[__builtin_parity(~0) == 0 ? 1 : -1]; |
| char g52[__builtin_parityl(1L << (BITSIZE(long) - 1)) == 1 ? 1 : -1]; |
| char g53[__builtin_parityll(1LL << (BITSIZE(long long) - 1)) == 1 ? 1 : -1]; |
| |
| char g54[__builtin_ffs(0) == 0 ? 1 : -1]; |
| char g55[__builtin_ffs(1) == 1 ? 1 : -1]; |
| char g56[__builtin_ffs(0xfbe71) == 1 ? 1 : -1]; |
| char g57[__builtin_ffs(0xfbe70) == 5 ? 1 : -1]; |
| char g58[__builtin_ffs(1U << (BITSIZE(int) - 1)) == BITSIZE(int) ? 1 : -1]; |
| char g59[__builtin_ffsl(0x10L) == 5 ? 1 : -1]; |
| char g60[__builtin_ffsll(0x100LL) == 9 ? 1 : -1]; |
| #undef BITSIZE |
| |
| // 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(); |
| extern long int bi0; |
| extern __typeof__(__builtin_expect(0, 0)) bi0; |
| |
| // Strings |
| int array1[__builtin_strlen("ab\0cd")]; |
| int array2[(sizeof(array1)/sizeof(int)) == 2? 1 : -1]; |
