
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [1] main::i#2 = phi( main/0, main::@2/main::i#1 )
  [2] main::$1 = main::i#2 & 1
  [3] if(main::i#2>=$a) goto main::@2
  to:main::@4
main::@4: scope:[main]  from main::@1
  [4] if(main::$1!=0) goto main::@2
  to:main::@3
main::@3: scope:[main]  from main::@4
  [5] main::screen[main::i#2] = '*'
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@3 main::@4
  [6] main::i#1 = ++ main::i#2
  [7] if(main::i#1!=$15) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@2
  [8] return 
  to:@return
