test/CodeGen/union.c


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// RUN: clang %s -emit-llvm

union u_tag {
  int a;
  float b;
} u;

void f() {
  u.b = 11;
}

float get_b(union u_tag *my_u) {
  return my_u->b;
}

int f2( float __x ) { 
  union{ 
    float __f; 
    unsigned int __u; 
  }__u;
  return (int)(__u.__u >> 31); 
}

typedef union { int i; int *j; } value;

int f3(value v) {
  return *v.j;
}