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150
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1 // RUN: %clang_cc1 %s -emit-llvm -o -
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2
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3 union u_tag {
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4 int a;
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5 float b;
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6 } u;
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7
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8 void f() {
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9 u.b = 11;
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10 }
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11
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12 float get_b(union u_tag *my_u) {
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13 return my_u->b;
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14 }
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15
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16 int f2( float __x ) {
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17 union{
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18 float __f;
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19 unsigned int __u;
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20 }__u;
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21 return (int)(__u.__u >> 31);
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22 }
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23
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24 typedef union { int i; int *j; } value;
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25
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26 int f3(value v) {
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27 return *v.j;
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28 }
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29
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30 enum E9 { one, two };
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31 union S65 { enum E9 a; } ; union S65 s65;
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32 void fS65() { enum E9 e = s65.a; }
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33
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34 typedef union{
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35 unsigned char x[65536];
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36 } q;
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37 int qfunc() {q buf; unsigned char* x = buf.x;}
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38
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39 union RR {_Bool a : 1;} RRU;
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40 int RRF(void) {return RRU.a;}
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41
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42 // PR6164
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43 typedef union T0 { unsigned int : 0; } T0;
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44 T0 t0;
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45
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46 union { int large_bitfield: 31; char c } u2;
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47
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48 struct dt_t_s {
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49 union {
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50 long long u : 56;
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51 } __attribute__((packed));
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52 };
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53 struct {
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54 struct {
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55 struct {
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56 struct dt_t_s t;
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57 };
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58 };
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59 } a;
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