{"ast_node_type":"variable","tokens":[{"end":64,"kind":"keyword","start":0,"text":"let"}]}
                        let ty = value.layout.gcc_type(self.cx);
                    if let ConstraintOrRegister::Register(reg_name) = reg_to_gcc(reg) {
                        let reg_var = self.current_func().new_local(None, ty, "input_register");