You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
(*
|
|
|
|
|
* Copyright (c) 2013 - present Facebook, Inc.
|
|
|
|
|
* All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* This source code is licensed under the BSD style license found in the
|
|
|
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
|
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
|
|
|
*)
|
|
|
|
|
|
|
|
|
|
(** Environment for temporary identifiers used in instructions.
|
|
|
|
|
Lazy implementation: only created when actually used. *)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
type t
|
|
|
|
|
|
|
|
|
|
val create : Cfg.cfg -> Cfg.Procdesc.t -> t
|
|
|
|
|
val create_from_idenv : t -> Cfg.Procdesc.t -> t
|
|
|
|
|
val lookup : t -> Ident.t -> Sil.exp option
|
|
|
|
|
val expand_expr : t -> Sil.exp -> Sil.exp
|
|
|
|
|
|
|
|
|
|
val exp_is_temp : t -> Sil.exp -> bool
|
|
|
|
|
|
|
|
|
|
(** Stronger version of expand_expr which also expands a temporary variable. *)
|
|
|
|
|
val expand_expr_temps : t -> Cfg.Node.t -> Sil.exp -> Sil.exp
|
