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(* *************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* David Monniaux CNRS, VERIMAG *)
(* *)
(* Copyright VERIMAG. All rights reserved. *)
(* This file is distributed under the terms of the INRIA *)
(* Non-Commercial License Agreement. *)
(* *)
(* *************************************************************)
Require Import Coqlib Maps Errors Integers Floats Lattice Kildall.
Require Import AST Linking.
Require Import Memory Registers Op RTL.
Require List.
Definition transf_ros (ros: reg + ident) : reg + ident := ros.
Definition transf_instr (pc: node) (instr: instruction) :=
match instr with
| Iop op args res s =>
if (eq_operation op Omove) && (List.list_eq_dec peq args (res :: nil))
then Inop s
else instr
| _ => instr
end.
Definition transf_function (f: function) : function :=
{| fn_sig := f.(fn_sig);
fn_params := f.(fn_params);
fn_stacksize := f.(fn_stacksize);
fn_code := PTree.map transf_instr f.(fn_code);
fn_entrypoint := f.(fn_entrypoint) |}.
Definition transf_fundef (fd: fundef) : fundef :=
AST.transf_fundef transf_function fd.
Definition transf_program (p: program) : program :=
transform_program transf_fundef p.
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