1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc // Math stuff 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel Sambuc double g0 = __builtin_huge_val(); 6*f4a2713aSLionel Sambuc float g1 = __builtin_huge_valf(); 7*f4a2713aSLionel Sambuc long double g2 = __builtin_huge_vall(); 8*f4a2713aSLionel Sambuc 9*f4a2713aSLionel Sambuc double g3 = __builtin_inf(); 10*f4a2713aSLionel Sambuc float g4 = __builtin_inff(); 11*f4a2713aSLionel Sambuc long double g5 = __builtin_infl(); 12*f4a2713aSLionel Sambuc 13*f4a2713aSLionel Sambuc double g6 = __builtin_nan(""); 14*f4a2713aSLionel Sambuc float g7 = __builtin_nanf(""); 15*f4a2713aSLionel Sambuc long double g8 = __builtin_nanl(""); 16*f4a2713aSLionel Sambuc 17*f4a2713aSLionel Sambuc // GCC constant folds these too (via native strtol): 18*f4a2713aSLionel Sambuc //double g6_1 = __builtin_nan("1"); 19*f4a2713aSLionel Sambuc //float g7_1 = __builtin_nanf("1"); 20*f4a2713aSLionel Sambuc //long double g8_1 = __builtin_nanl("1"); 21*f4a2713aSLionel Sambuc 22*f4a2713aSLionel Sambuc // APFloat doesn't have signalling NaN functions. 23*f4a2713aSLionel Sambuc //double g9 = __builtin_nans(""); 24*f4a2713aSLionel Sambuc //float g10 = __builtin_nansf(""); 25*f4a2713aSLionel Sambuc //long double g11 = __builtin_nansl(""); 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuc //int g12 = __builtin_abs(-12); 28*f4a2713aSLionel Sambuc 29*f4a2713aSLionel Sambuc double g13 = __builtin_fabs(-12.); 30*f4a2713aSLionel Sambuc double g13_0 = __builtin_fabs(-0.); 31*f4a2713aSLionel Sambuc double g13_1 = __builtin_fabs(-__builtin_inf()); 32*f4a2713aSLionel Sambuc float g14 = __builtin_fabsf(-12.f); 33*f4a2713aSLionel Sambuc // GCC doesn't eat this one. 34*f4a2713aSLionel Sambuc //long double g15 = __builtin_fabsfl(-12.0L); 35*f4a2713aSLionel Sambuc 36*f4a2713aSLionel Sambuc float g16 = __builtin_copysign(1.0, -1.0); 37*f4a2713aSLionel Sambuc double g17 = __builtin_copysignf(1.0f, -1.0f); 38*f4a2713aSLionel Sambuc long double g18 = __builtin_copysignl(1.0L, -1.0L); 39*f4a2713aSLionel Sambuc 40*f4a2713aSLionel Sambuc char classify_nan [__builtin_fpclassify(+1, -1, -1, -1, -1, __builtin_nan(""))]; 41*f4a2713aSLionel Sambuc char classify_snan [__builtin_fpclassify(+1, -1, -1, -1, -1, __builtin_nans(""))]; 42*f4a2713aSLionel Sambuc char classify_inf [__builtin_fpclassify(-1, +1, -1, -1, -1, __builtin_inf())]; 43*f4a2713aSLionel Sambuc char classify_neg_inf [__builtin_fpclassify(-1, +1, -1, -1, -1, -__builtin_inf())]; 44*f4a2713aSLionel Sambuc char classify_normal [__builtin_fpclassify(-1, -1, +1, -1, -1, 1.539)]; 45*f4a2713aSLionel Sambuc char classify_normal2 [__builtin_fpclassify(-1, -1, +1, -1, -1, 1e-307)]; 46*f4a2713aSLionel Sambuc char classify_denorm [__builtin_fpclassify(-1, -1, -1, +1, -1, 1e-308)]; 47*f4a2713aSLionel Sambuc char classify_denorm2 [__builtin_fpclassify(-1, -1, -1, +1, -1, -1e-308)]; 48*f4a2713aSLionel Sambuc char classify_zero [__builtin_fpclassify(-1, -1, -1, -1, +1, 0.0)]; 49*f4a2713aSLionel Sambuc char classify_neg_zero[__builtin_fpclassify(-1, -1, -1, -1, +1, -0.0)]; 50*f4a2713aSLionel Sambuc 51*f4a2713aSLionel Sambuc char isinf_sign_noninf1[__builtin_isinf_sign(-0.0) == 0 ? 1 : -1]; 52*f4a2713aSLionel Sambuc char isinf_sign_noninf2[__builtin_isinf_sign(1e307) == 0 ? 1 : -1]; 53*f4a2713aSLionel Sambuc char isinf_sign_noninf3[__builtin_isinf_sign(__builtin_nan("")) == 0 ? 1 : -1]; 54*f4a2713aSLionel Sambuc char isinf_sign_noninf4[__builtin_isinf_sign(-436.) == 0 ? 1 : -1]; 55*f4a2713aSLionel Sambuc char isinf_sign_inf [__builtin_isinf_sign(__builtin_inf()) == 1 ? 1 : -1]; 56*f4a2713aSLionel Sambuc char isinf_sign_neg_inf[__builtin_isinf_sign(-__builtin_inf()) == -1 ? 1 : -1]; 57*f4a2713aSLionel Sambuc 58*f4a2713aSLionel Sambuc char isinf_inf_pos[__builtin_isinf(__builtin_inf()) ? 1 : -1]; 59*f4a2713aSLionel Sambuc char isinf_pos [!__builtin_isinf(1.0) ? 1 : -1]; 60*f4a2713aSLionel Sambuc char isinf_normf [!__builtin_isinf(1e-37f) ? 1 : -1]; 61*f4a2713aSLionel Sambuc char isinf_denormf[!__builtin_isinf(1e-38f) ? 1 : -1]; 62*f4a2713aSLionel Sambuc char isinf_norm [!__builtin_isinf(1e-307) ? 1 : -1]; 63*f4a2713aSLionel Sambuc char isinf_denorm [!__builtin_isinf(1e-308) ? 1 : -1]; 64*f4a2713aSLionel Sambuc char isinf_zero [!__builtin_isinf(0.0) ? 1 : -1]; 65*f4a2713aSLionel Sambuc char isinf_negzero[!__builtin_isinf(-0.0) ? 1 : -1]; 66*f4a2713aSLionel Sambuc char isinf_neg [!__builtin_isinf(-1.0) ? 1 : -1]; 67*f4a2713aSLionel Sambuc char isinf_inf_neg[__builtin_isinf(-__builtin_inf()) ? 1 : -1]; 68*f4a2713aSLionel Sambuc char isinf_nan [!__builtin_isinf(__builtin_nan("")) ? 1 : -1]; 69*f4a2713aSLionel Sambuc char isinf_snan [!__builtin_isinf(__builtin_nans("")) ? 1 : -1]; 70*f4a2713aSLionel Sambuc 71*f4a2713aSLionel Sambuc char isfinite_inf_pos[!__builtin_isfinite(__builtin_inf()) ? 1 : -1]; 72*f4a2713aSLionel Sambuc char isfinite_pos [__builtin_isfinite(1.0) ? 1 : -1]; 73*f4a2713aSLionel Sambuc char isfinite_normf [__builtin_isfinite(1e-37f) ? 1 : -1]; 74*f4a2713aSLionel Sambuc char isfinite_denormf[__builtin_isfinite(1e-38f) ? 1 : -1]; 75*f4a2713aSLionel Sambuc char isfinite_norm [__builtin_isfinite(1e-307) ? 1 : -1]; 76*f4a2713aSLionel Sambuc char isfinite_denorm [__builtin_isfinite(1e-308) ? 1 : -1]; 77*f4a2713aSLionel Sambuc char isfinite_zero [__builtin_isfinite(0.0) ? 1 : -1]; 78*f4a2713aSLionel Sambuc char isfinite_negzero[__builtin_isfinite(-0.0) ? 1 : -1]; 79*f4a2713aSLionel Sambuc char isfinite_neg [__builtin_isfinite(-1.0) ? 1 : -1]; 80*f4a2713aSLionel Sambuc char isfinite_inf_neg[!__builtin_isfinite(-__builtin_inf()) ? 1 : -1]; 81*f4a2713aSLionel Sambuc char isfinite_nan [!__builtin_isfinite(__builtin_nan("")) ? 1 : -1]; 82*f4a2713aSLionel Sambuc char isfinite_snan [!__builtin_isfinite(__builtin_nans("")) ? 1 : -1]; 83*f4a2713aSLionel Sambuc 84*f4a2713aSLionel Sambuc char isnan_inf_pos[!__builtin_isnan(__builtin_inf()) ? 1 : -1]; 85*f4a2713aSLionel Sambuc char isnan_pos [!__builtin_isnan(1.0) ? 1 : -1]; 86*f4a2713aSLionel Sambuc char isnan_normf [!__builtin_isnan(1e-37f) ? 1 : -1]; 87*f4a2713aSLionel Sambuc char isnan_denormf[!__builtin_isnan(1e-38f) ? 1 : -1]; 88*f4a2713aSLionel Sambuc char isnan_norm [!__builtin_isnan(1e-307) ? 1 : -1]; 89*f4a2713aSLionel Sambuc char isnan_denorm [!__builtin_isnan(1e-308) ? 1 : -1]; 90*f4a2713aSLionel Sambuc char isnan_zero [!__builtin_isnan(0.0) ? 1 : -1]; 91*f4a2713aSLionel Sambuc char isnan_negzero[!__builtin_isnan(-0.0) ? 1 : -1]; 92*f4a2713aSLionel Sambuc char isnan_neg [!__builtin_isnan(-1.0) ? 1 : -1]; 93*f4a2713aSLionel Sambuc char isnan_inf_neg[!__builtin_isnan(-__builtin_inf()) ? 1 : -1]; 94*f4a2713aSLionel Sambuc char isnan_nan [__builtin_isnan(__builtin_nan("")) ? 1 : -1]; 95*f4a2713aSLionel Sambuc char isnan_snan [__builtin_isnan(__builtin_nans("")) ? 1 : -1]; 96*f4a2713aSLionel Sambuc 97*f4a2713aSLionel Sambuc char isnormal_inf_pos[!__builtin_isnormal(__builtin_inf()) ? 1 : -1]; 98*f4a2713aSLionel Sambuc char isnormal_pos [__builtin_isnormal(1.0) ? 1 : -1]; 99*f4a2713aSLionel Sambuc char isnormal_normf [__builtin_isnormal(1e-37f) ? 1 : -1]; 100*f4a2713aSLionel Sambuc char isnormal_denormf[!__builtin_isnormal(1e-38f) ? 1 : -1]; 101*f4a2713aSLionel Sambuc char isnormal_norm [__builtin_isnormal(1e-307) ? 1 : -1]; 102*f4a2713aSLionel Sambuc char isnormal_denorm [!__builtin_isnormal(1e-308) ? 1 : -1]; 103*f4a2713aSLionel Sambuc char isnormal_zero [!__builtin_isnormal(0.0) ? 1 : -1]; 104*f4a2713aSLionel Sambuc char isnormal_negzero[!__builtin_isnormal(-0.0) ? 1 : -1]; 105*f4a2713aSLionel Sambuc char isnormal_neg [__builtin_isnormal(-1.0) ? 1 : -1]; 106*f4a2713aSLionel Sambuc char isnormal_inf_neg[!__builtin_isnormal(-__builtin_inf()) ? 1 : -1]; 107*f4a2713aSLionel Sambuc char isnormal_nan [!__builtin_isnormal(__builtin_nan("")) ? 1 : -1]; 108*f4a2713aSLionel Sambuc char isnormal_snan [!__builtin_isnormal(__builtin_nans("")) ? 1 : -1]; 109*f4a2713aSLionel Sambuc 110*f4a2713aSLionel Sambuc //double g19 = __builtin_powi(2.0, 4); 111*f4a2713aSLionel Sambuc //float g20 = __builtin_powif(2.0f, 4); 112*f4a2713aSLionel Sambuc //long double g21 = __builtin_powil(2.0L, 4); 113*f4a2713aSLionel Sambuc 114*f4a2713aSLionel Sambuc #define BITSIZE(x) (sizeof(x) * 8) 115*f4a2713aSLionel Sambuc char g22[__builtin_clz(1) == BITSIZE(int) - 1 ? 1 : -1]; 116*f4a2713aSLionel Sambuc char g23[__builtin_clz(7) == BITSIZE(int) - 3 ? 1 : -1]; 117*f4a2713aSLionel Sambuc char g24[__builtin_clz(1 << (BITSIZE(int) - 1)) == 0 ? 1 : -1]; 118*f4a2713aSLionel Sambuc int g25 = __builtin_clz(0); // expected-error {{not a compile-time constant}} 119*f4a2713aSLionel Sambuc char g26[__builtin_clzl(0xFL) == BITSIZE(long) - 4 ? 1 : -1]; 120*f4a2713aSLionel Sambuc char g27[__builtin_clzll(0xFFLL) == BITSIZE(long long) - 8 ? 1 : -1]; 121*f4a2713aSLionel Sambuc 122*f4a2713aSLionel Sambuc char g28[__builtin_ctz(1) == 0 ? 1 : -1]; 123*f4a2713aSLionel Sambuc char g29[__builtin_ctz(8) == 3 ? 1 : -1]; 124*f4a2713aSLionel Sambuc char g30[__builtin_ctz(1 << (BITSIZE(int) - 1)) == BITSIZE(int) - 1 ? 1 : -1]; 125*f4a2713aSLionel Sambuc int g31 = __builtin_ctz(0); // expected-error {{not a compile-time constant}} 126*f4a2713aSLionel Sambuc char g32[__builtin_ctzl(0x10L) == 4 ? 1 : -1]; 127*f4a2713aSLionel Sambuc char g33[__builtin_ctzll(0x100LL) == 8 ? 1 : -1]; 128*f4a2713aSLionel Sambuc 129*f4a2713aSLionel Sambuc char g34[__builtin_popcount(0) == 0 ? 1 : -1]; 130*f4a2713aSLionel Sambuc char g35[__builtin_popcount(0xF0F0) == 8 ? 1 : -1]; 131*f4a2713aSLionel Sambuc char g36[__builtin_popcount(~0) == BITSIZE(int) ? 1 : -1]; 132*f4a2713aSLionel Sambuc char g37[__builtin_popcount(~0L) == BITSIZE(int) ? 1 : -1]; 133*f4a2713aSLionel Sambuc char g38[__builtin_popcountl(0L) == 0 ? 1 : -1]; 134*f4a2713aSLionel Sambuc char g39[__builtin_popcountl(0xF0F0L) == 8 ? 1 : -1]; 135*f4a2713aSLionel Sambuc char g40[__builtin_popcountl(~0L) == BITSIZE(long) ? 1 : -1]; 136*f4a2713aSLionel Sambuc char g41[__builtin_popcountll(0LL) == 0 ? 1 : -1]; 137*f4a2713aSLionel Sambuc char g42[__builtin_popcountll(0xF0F0LL) == 8 ? 1 : -1]; 138*f4a2713aSLionel Sambuc char g43[__builtin_popcountll(~0LL) == BITSIZE(long long) ? 1 : -1]; 139*f4a2713aSLionel Sambuc 140*f4a2713aSLionel Sambuc char g44[__builtin_parity(0) == 0 ? 1 : -1]; 141*f4a2713aSLionel Sambuc char g45[__builtin_parity(0xb821) == 0 ? 1 : -1]; 142*f4a2713aSLionel Sambuc char g46[__builtin_parity(0xb822) == 0 ? 1 : -1]; 143*f4a2713aSLionel Sambuc char g47[__builtin_parity(0xb823) == 1 ? 1 : -1]; 144*f4a2713aSLionel Sambuc char g48[__builtin_parity(0xb824) == 0 ? 1 : -1]; 145*f4a2713aSLionel Sambuc char g49[__builtin_parity(0xb825) == 1 ? 1 : -1]; 146*f4a2713aSLionel Sambuc char g50[__builtin_parity(0xb826) == 1 ? 1 : -1]; 147*f4a2713aSLionel Sambuc char g51[__builtin_parity(~0) == 0 ? 1 : -1]; 148*f4a2713aSLionel Sambuc char g52[__builtin_parityl(1L << (BITSIZE(long) - 1)) == 1 ? 1 : -1]; 149*f4a2713aSLionel Sambuc char g53[__builtin_parityll(1LL << (BITSIZE(long long) - 1)) == 1 ? 1 : -1]; 150*f4a2713aSLionel Sambuc 151*f4a2713aSLionel Sambuc char g54[__builtin_ffs(0) == 0 ? 1 : -1]; 152*f4a2713aSLionel Sambuc char g55[__builtin_ffs(1) == 1 ? 1 : -1]; 153*f4a2713aSLionel Sambuc char g56[__builtin_ffs(0xfbe71) == 1 ? 1 : -1]; 154*f4a2713aSLionel Sambuc char g57[__builtin_ffs(0xfbe70) == 5 ? 1 : -1]; 155*f4a2713aSLionel Sambuc char g58[__builtin_ffs(1U << (BITSIZE(int) - 1)) == BITSIZE(int) ? 1 : -1]; 156*f4a2713aSLionel Sambuc char g59[__builtin_ffsl(0x10L) == 5 ? 1 : -1]; 157*f4a2713aSLionel Sambuc char g60[__builtin_ffsll(0x100LL) == 9 ? 1 : -1]; 158*f4a2713aSLionel Sambuc #undef BITSIZE 159*f4a2713aSLionel Sambuc 160*f4a2713aSLionel Sambuc // GCC misc stuff 161*f4a2713aSLionel Sambuc 162*f4a2713aSLionel Sambuc extern int f(); 163*f4a2713aSLionel Sambuc 164*f4a2713aSLionel Sambuc int h0 = __builtin_types_compatible_p(int, float); 165*f4a2713aSLionel Sambuc //int h1 = __builtin_choose_expr(1, 10, f()); 166*f4a2713aSLionel Sambuc //int h2 = __builtin_expect(0, 0); 167*f4a2713aSLionel Sambuc int h3 = __builtin_bswap16(0x1234) == 0x3412 ? 1 : f(); 168*f4a2713aSLionel Sambuc int h4 = __builtin_bswap32(0x1234) == 0x34120000 ? 1 : f(); 169*f4a2713aSLionel Sambuc int h5 = __builtin_bswap64(0x1234) == 0x3412000000000000 ? 1 : f(); 170*f4a2713aSLionel Sambuc extern long int bi0; 171*f4a2713aSLionel Sambuc extern __typeof__(__builtin_expect(0, 0)) bi0; 172*f4a2713aSLionel Sambuc 173*f4a2713aSLionel Sambuc // Strings 174*f4a2713aSLionel Sambuc int array1[__builtin_strlen("ab\0cd")]; 175*f4a2713aSLionel Sambuc int array2[(sizeof(array1)/sizeof(int)) == 2? 1 : -1]; 176