1// RUN: %clang_cc1 -fsyntax-only -verify %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
40char classify_nan     [__builtin_fpclassify(+1, -1, -1, -1, -1, __builtin_nan(""))];
41char classify_snan    [__builtin_fpclassify(+1, -1, -1, -1, -1, __builtin_nans(""))];
42char classify_inf     [__builtin_fpclassify(-1, +1, -1, -1, -1, __builtin_inf())];
43char classify_neg_inf [__builtin_fpclassify(-1, +1, -1, -1, -1, -__builtin_inf())];
44char classify_normal  [__builtin_fpclassify(-1, -1, +1, -1, -1, 1.539)];
45char classify_normal2 [__builtin_fpclassify(-1, -1, +1, -1, -1, 1e-307)];
46char classify_denorm  [__builtin_fpclassify(-1, -1, -1, +1, -1, 1e-308)];
47char classify_denorm2 [__builtin_fpclassify(-1, -1, -1, +1, -1, -1e-308)];
48char classify_zero    [__builtin_fpclassify(-1, -1, -1, -1, +1, 0.0)];
49char classify_neg_zero[__builtin_fpclassify(-1, -1, -1, -1, +1, -0.0)];
50
51char isinf_sign_noninf1[__builtin_isinf_sign(-0.0) == 0 ? 1 : -1];
52char isinf_sign_noninf2[__builtin_isinf_sign(1e307) == 0 ? 1 : -1];
53char isinf_sign_noninf3[__builtin_isinf_sign(__builtin_nan("")) == 0 ? 1 : -1];
54char isinf_sign_noninf4[__builtin_isinf_sign(-436.) == 0 ? 1 : -1];
55char isinf_sign_inf    [__builtin_isinf_sign(__builtin_inf()) == 1 ? 1 : -1];
56char isinf_sign_neg_inf[__builtin_isinf_sign(-__builtin_inf()) == -1 ? 1 : -1];
57
58char isinf_inf_pos[__builtin_isinf(__builtin_inf()) ? 1 : -1];
59char isinf_pos    [!__builtin_isinf(1.0) ? 1 : -1];
60char isinf_normf  [!__builtin_isinf(1e-37f) ? 1 : -1];
61char isinf_denormf[!__builtin_isinf(1e-38f) ? 1 : -1];
62char isinf_norm   [!__builtin_isinf(1e-307) ? 1 : -1];
63char isinf_denorm [!__builtin_isinf(1e-308) ? 1 : -1];
64char isinf_zero   [!__builtin_isinf(0.0) ? 1 : -1];
65char isinf_negzero[!__builtin_isinf(-0.0) ? 1 : -1];
66char isinf_neg    [!__builtin_isinf(-1.0) ? 1 : -1];
67char isinf_inf_neg[__builtin_isinf(-__builtin_inf()) ? 1 : -1];
68char isinf_nan    [!__builtin_isinf(__builtin_nan("")) ? 1 : -1];
69char isinf_snan   [!__builtin_isinf(__builtin_nans("")) ? 1 : -1];
70
71char isfinite_inf_pos[!__builtin_isfinite(__builtin_inf()) ? 1 : -1];
72char isfinite_pos    [__builtin_isfinite(1.0) ? 1 : -1];
73char isfinite_normf  [__builtin_isfinite(1e-37f) ? 1 : -1];
74char isfinite_denormf[__builtin_isfinite(1e-38f) ? 1 : -1];
75char isfinite_norm   [__builtin_isfinite(1e-307) ? 1 : -1];
76char isfinite_denorm [__builtin_isfinite(1e-308) ? 1 : -1];
77char isfinite_zero   [__builtin_isfinite(0.0) ? 1 : -1];
78char isfinite_negzero[__builtin_isfinite(-0.0) ? 1 : -1];
79char isfinite_neg    [__builtin_isfinite(-1.0) ? 1 : -1];
80char isfinite_inf_neg[!__builtin_isfinite(-__builtin_inf()) ? 1 : -1];
81char isfinite_nan    [!__builtin_isfinite(__builtin_nan("")) ? 1 : -1];
82char isfinite_snan   [!__builtin_isfinite(__builtin_nans("")) ? 1 : -1];
83
84char isnan_inf_pos[!__builtin_isnan(__builtin_inf()) ? 1 : -1];
85char isnan_pos    [!__builtin_isnan(1.0) ? 1 : -1];
86char isnan_normf  [!__builtin_isnan(1e-37f) ? 1 : -1];
87char isnan_denormf[!__builtin_isnan(1e-38f) ? 1 : -1];
88char isnan_norm   [!__builtin_isnan(1e-307) ? 1 : -1];
89char isnan_denorm [!__builtin_isnan(1e-308) ? 1 : -1];
90char isnan_zero   [!__builtin_isnan(0.0) ? 1 : -1];
91char isnan_negzero[!__builtin_isnan(-0.0) ? 1 : -1];
92char isnan_neg    [!__builtin_isnan(-1.0) ? 1 : -1];
93char isnan_inf_neg[!__builtin_isnan(-__builtin_inf()) ? 1 : -1];
94char isnan_nan    [__builtin_isnan(__builtin_nan("")) ? 1 : -1];
95char isnan_snan   [__builtin_isnan(__builtin_nans("")) ? 1 : -1];
96
97char isnormal_inf_pos[!__builtin_isnormal(__builtin_inf()) ? 1 : -1];
98char isnormal_pos    [__builtin_isnormal(1.0) ? 1 : -1];
99char isnormal_normf  [__builtin_isnormal(1e-37f) ? 1 : -1];
100char isnormal_denormf[!__builtin_isnormal(1e-38f) ? 1 : -1];
101char isnormal_norm   [__builtin_isnormal(1e-307) ? 1 : -1];
102char isnormal_denorm [!__builtin_isnormal(1e-308) ? 1 : -1];
103char isnormal_zero   [!__builtin_isnormal(0.0) ? 1 : -1];
104char isnormal_negzero[!__builtin_isnormal(-0.0) ? 1 : -1];
105char isnormal_neg    [__builtin_isnormal(-1.0) ? 1 : -1];
106char isnormal_inf_neg[!__builtin_isnormal(-__builtin_inf()) ? 1 : -1];
107char isnormal_nan    [!__builtin_isnormal(__builtin_nan("")) ? 1 : -1];
108char isnormal_snan   [!__builtin_isnormal(__builtin_nans("")) ? 1 : -1];
109
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);
113
114#define BITSIZE(x) (sizeof(x) * 8)
115char clz1[__builtin_clz(1) == BITSIZE(int) - 1 ? 1 : -1];
116char clz2[__builtin_clz(7) == BITSIZE(int) - 3 ? 1 : -1];
117char clz3[__builtin_clz(1 << (BITSIZE(int) - 1)) == 0 ? 1 : -1];
118int clz4 = __builtin_clz(0); // expected-error {{not a compile-time constant}}
119char clz5[__builtin_clzl(0xFL) == BITSIZE(long) - 4 ? 1 : -1];
120char clz6[__builtin_clzll(0xFFLL) == BITSIZE(long long) - 8 ? 1 : -1];
121char clz7[__builtin_clzs(0x1) == BITSIZE(short) - 1 ? 1 : -1];
122char clz8[__builtin_clzs(0xf) == BITSIZE(short) - 4 ? 1 : -1];
123char clz9[__builtin_clzs(0xfff) == BITSIZE(short) - 12 ? 1 : -1];
124
125char ctz1[__builtin_ctz(1) == 0 ? 1 : -1];
126char ctz2[__builtin_ctz(8) == 3 ? 1 : -1];
127char ctz3[__builtin_ctz(1 << (BITSIZE(int) - 1)) == BITSIZE(int) - 1 ? 1 : -1];
128int ctz4 = __builtin_ctz(0); // expected-error {{not a compile-time constant}}
129char ctz5[__builtin_ctzl(0x10L) == 4 ? 1 : -1];
130char ctz6[__builtin_ctzll(0x100LL) == 8 ? 1 : -1];
131char ctz7[__builtin_ctzs(1 << (BITSIZE(short) - 1)) == BITSIZE(short) - 1 ? 1 : -1];
132
133char popcount1[__builtin_popcount(0) == 0 ? 1 : -1];
134char popcount2[__builtin_popcount(0xF0F0) == 8 ? 1 : -1];
135char popcount3[__builtin_popcount(~0) == BITSIZE(int) ? 1 : -1];
136char popcount4[__builtin_popcount(~0L) == BITSIZE(int) ? 1 : -1];
137char popcount5[__builtin_popcountl(0L) == 0 ? 1 : -1];
138char popcount6[__builtin_popcountl(0xF0F0L) == 8 ? 1 : -1];
139char popcount7[__builtin_popcountl(~0L) == BITSIZE(long) ? 1 : -1];
140char popcount8[__builtin_popcountll(0LL) == 0 ? 1 : -1];
141char popcount9[__builtin_popcountll(0xF0F0LL) == 8 ? 1 : -1];
142char popcount10[__builtin_popcountll(~0LL) == BITSIZE(long long) ? 1 : -1];
143
144char parity1[__builtin_parity(0) == 0 ? 1 : -1];
145char parity2[__builtin_parity(0xb821) == 0 ? 1 : -1];
146char parity3[__builtin_parity(0xb822) == 0 ? 1 : -1];
147char parity4[__builtin_parity(0xb823) == 1 ? 1 : -1];
148char parity5[__builtin_parity(0xb824) == 0 ? 1 : -1];
149char parity6[__builtin_parity(0xb825) == 1 ? 1 : -1];
150char parity7[__builtin_parity(0xb826) == 1 ? 1 : -1];
151char parity8[__builtin_parity(~0) == 0 ? 1 : -1];
152char parity9[__builtin_parityl(1L << (BITSIZE(long) - 1)) == 1 ? 1 : -1];
153char parity10[__builtin_parityll(1LL << (BITSIZE(long long) - 1)) == 1 ? 1 : -1];
154
155char ffs1[__builtin_ffs(0) == 0 ? 1 : -1];
156char ffs2[__builtin_ffs(1) == 1 ? 1 : -1];
157char ffs3[__builtin_ffs(0xfbe71) == 1 ? 1 : -1];
158char ffs4[__builtin_ffs(0xfbe70) == 5 ? 1 : -1];
159char ffs5[__builtin_ffs(1U << (BITSIZE(int) - 1)) == BITSIZE(int) ? 1 : -1];
160char ffs6[__builtin_ffsl(0x10L) == 5 ? 1 : -1];
161char ffs7[__builtin_ffsll(0x100LL) == 9 ? 1 : -1];
162#undef BITSIZE
163
164// GCC misc stuff
165
166extern int f();
167
168int h0 = __builtin_types_compatible_p(int, float);
169//int h1 = __builtin_choose_expr(1, 10, f());
170//int h2 = __builtin_expect(0, 0);
171int h3 = __builtin_bswap16(0x1234) == 0x3412 ? 1 : f();
172int h4 = __builtin_bswap32(0x1234) == 0x34120000 ? 1 : f();
173int h5 = __builtin_bswap64(0x1234) == 0x3412000000000000 ? 1 : f();
174extern long int bi0;
175extern __typeof__(__builtin_expect(0, 0)) bi0;
176
177// Strings
178int array1[__builtin_strlen("ab\0cd")];
179int array2[(sizeof(array1)/sizeof(int)) == 2? 1 : -1];
180