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