1// RUN: %clang_cc1 %s -emit-llvm -o - 2 3union u_tag { 4 int a; 5 float b; 6} u; 7 8void f() { 9 u.b = 11; 10} 11 12float get_b(union u_tag *my_u) { 13 return my_u->b; 14} 15 16int f2( float __x ) { 17 union{ 18 float __f; 19 unsigned int __u; 20 }__u; 21 return (int)(__u.__u >> 31); 22} 23 24typedef union { int i; int *j; } value; 25 26int f3(value v) { 27 return *v.j; 28} 29 30enum E9 { one, two }; 31union S65 { enum E9 a; } ; union S65 s65; 32void fS65() { enum E9 e = s65.a; } 33 34typedef union{ 35 unsigned char x[65536]; 36} q; 37int qfunc() {q buf; unsigned char* x = buf.x;} 38 39union RR {_Bool a : 1;} RRU; 40int RRF(void) {return RRU.a;} 41 42// PR6164 43typedef union T0 { unsigned int : 0; } T0; 44T0 t0; 45 46union { int large_bitfield: 31; char c } u2; 47 48struct dt_t_s { 49 union { 50 long long u : 56; 51 } __attribute__((packed)); 52}; 53struct { 54 struct { 55 struct { 56 struct dt_t_s t; 57 }; 58 }; 59} a; 60