func (tm *LLVMTypeMap) structLLVMType(s *types.Struct) llvm.Type {
// Types may be circular, so we need to first create an empty
// struct type, then fill in its body after visiting its
// members.
sstr := s.String()
typ, ok := tm.types[sstr]
if !ok {
typ = llvm.GlobalContext().StructCreateNamed("")
tm.types[sstr] = typ
elements := make([]llvm.Type, len(s.Fields))
for i, f := range s.Fields {
ft := f.Type.(types.Type)
elements[i] = tm.ToLLVM(ft)
}
typ.StructSetBody(elements, false)
}
return typ
}
