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

Lemma helper_functions_preserved:
forall hf, helper_functions_declared prog hf -> helper_functions_declared tprog hf.