public Identifier ImportedGlobal(Address addrInstruction, PrimitiveType addrWidth, MemoryOperand mem)
 {
     if (mem != null && addrWidth == PrimitiveType.Word32 && mem.Base == RegisterStorage.None &&
         mem.Index == RegisterStorage.None)
     {
         var id = host.GetImportedGlobal(Address.Ptr32(mem.Offset.ToUInt32()), addrInstruction);
         return(id);
     }
     return(null);
 }