
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@7
  [1] main::screen#3 = phi( main/(char *) 1024, main::@7/main::screen#2 )
  [1] main::i#2 = phi( main/0, main::@7/main::i#1 )
  [2] main::$6 = main::i#2 & 1
  [3] if(0!=main::$6) goto main::@2
  to:main::@3
main::@3: scope:[main]  from main::@1
  [4] main::$2 = main::i#2 << 2
  to:main::@4
main::@4: scope:[main]  from main::@2 main::@3
  [5] main::$5 = phi( main::@2/main::$4, main::@3/main::$2 )
  [6] *main::screen#3 = main::$5
  [7] main::screen#1 = ++ main::screen#3
  [8] if(0!=main::$6) goto main::@5
  to:main::@6
main::@6: scope:[main]  from main::@4
  [9] main::$8 = main::i#2 << 2
  to:main::@7
main::@7: scope:[main]  from main::@5 main::@6
  [10] main::$11 = phi( main::@5/main::$10, main::@6/main::$8 )
  [11] *main::screen#1 = main::$11
  [12] main::screen#2 = ++ main::screen#1
  [13] main::i#1 = ++ main::i#2
  [14] if(main::i#1!=3) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@7
  [15] return 
  to:@return
main::@5: scope:[main]  from main::@4
  [16] main::$10 = main::i#2 + 3
  to:main::@7
main::@2: scope:[main]  from main::@1
  [17] main::$4 = main::i#2 + 3
  to:main::@4
