@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()

(void()) main()
main: scope:[main]  from @1
  [4] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [5] (byte) main::j#3 ← phi( main/(byte) 0 main::@2/(byte) main::j#4 )
  [5] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
  [6] *((const byte*) main::screen + (byte) main::i#2) ← (byte) '*'
  [7] *((const byte*) main::cols + (byte) main::i#2) ← *((const byte*) main::colseq + (byte) main::j#3)
  [8] (byte) main::j#1 ← ++ (byte) main::j#3
  [9] if((byte) main::j#1!=(byte) 3) goto main::@3
  to:main::@2
main::@3: scope:[main]  from main::@1
  [10] phi()
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@3
  [11] (byte) main::j#4 ← phi( main::@3/(byte) main::j#1 main::@1/(byte) 0 )
  [12] (byte) main::i#1 ← ++ (byte) main::i#2
  [13] if((byte) main::i#1!=(byte) $28) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@2
  [14] return 
  to:@return
