
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [1] idx#13 = phi( main/0, main::@2/idx#10 )
  [1] main::i#2 = phi( main/0, main::@2/main::i#1 )
  [2] out::c#0 = msg[main::i#2]
  [3] call out
  to:main::@2
main::@2: scope:[main]  from main::@1
  [4] main::i#1 = ++ main::i#2
  [5] if(main::i#1!=$c) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@2
  [6] return 
  to:@return

void out(char c)
out: scope:[out]  from main::@1
  [7] SCREEN[idx#13] = out::c#0
  [8] idx#10 = ++ idx#13
  to:out::@return
out::@return: scope:[out]  from out
  [9] return 
  to:@return
