Can this trivial code be optimized with HiPE?
-module(a).
-export([z/0]).
z() ->
T1 = erlang:now(),
V = z(100000, 0),
T2 = erlang:now(),
put(v, V),
io:format("S: ~p~n", [timer:now_diff(T2, T1)]),
ok.
z(0, S) ->
S;
z(N, S) when is_number(N) andalso is_number(S) ->
z(N - 1, S*2 + 3).