Section PRESERVATION.
Variable prog: program.
Variable tprog: program.
Hypothesis TRANSF: match_prog prog tprog.
Let ge := Genv.globalenv prog.
Let tge := Genv.globalenv tprog.
Proof (Genv.find_symbol_match TRANSF).
Proof (Genv.senv_match TRANSF).
Proof (Genv.find_funct_transf_partial TRANSF).
Proof (Genv.find_funct_ptr_transf_partial TRANSF).

Lemma sig_preserved:
forall f tf,
transf_fundef f = OK tf ->
funsig tf = funsig f.