
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [1] main::b#2 = phi( main/main::BITMAP+$1fff, main::@1/main::b#1 )
  [2] *main::b#2 = $5a
  [3] main::b#1 = -- main::b#2
  [4] if(main::b#1!=main::BITMAP-1) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@1
  [5] return 
  to:@return
