(* *********************************************************************)
(*                                                                     *)
(*              The Compcert verified compiler                         *)
(*                                                                     *)
(*          Xavier Leroy, INRIA Paris-Rocquencourt                     *)
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(*  Copyright Institut National de Recherche en Informatique et en     *)
(*  Automatique.  All rights reserved.  This file is distributed       *)
(*  under the terms of the INRIA Non-Commercial License Agreement.     *)
(*                                                                     *)
(* *********************************************************************)
(** Correctness proof for the branch tunneling optimization. *)
Definition match_prog (p tp: program) :=
match_program (fun ctx f tf => tf = tunnel_fundef f) eq p tp.

Lemma transf_program_match:
forall p, match_prog p (tunnel_program p).