
void main()
main: scope:[main]  from
  [0] phi()
  [1] call puta
  to:main::@1
main::@1: scope:[main]  from main
  [2] phi()
  [3] call puta
  to:main::@return
main::@return: scope:[main]  from main::@1
  [4] return 
  to:@return

void puta(char ph , char pl)
puta: scope:[puta]  from main main::@1
  [5] puta::pl#2 = phi( main/0, main::@1/$18 )
  [5] puta::ph#2 = phi( main/4, main::@1/5 )
  [6] puta::screen#0 = puta::ph#2 w= puta::pl#2
  [7] *((char *)puta::screen#0) = 'a'
  to:puta::@return
puta::@return: scope:[puta]  from puta
  [8] return 
  to:@return
