code: def load_reg(self, reg_type, reg_name, name=''):
          
          ftype = types.FunctionType(reg_type, [])
          return self.asm(ftype, "", "={%s}" % reg_name, [], False, name)
docs: Load a register value into an LLVM value.
            Example: v = load_reg(IntType(32), "eax")