Section PRESERVATION.
Variable prog: Cminor.program.
Let ge := Genv.globalenv prog.
Variable hf: helper_functions.
Let tprog := transform_program (sel_fundef hf ge) prog.
Let tge := Genv.globalenv tprog.
Hypothesis HELPERS: i64_helpers_correct tge hf.

Lemma symbols_preserved:
forall (s: ident), Genv.find_symbol tge s = Genv.find_symbol ge s.