
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main
  [1] *(screen+$27) = 0
  [2] *(screen+$25) = 0
  to:main::@1_1
main::@1_1: scope:[main]  from main::@1
  [3] *(screen+$28*1+$27) = 0
  [4] *(screen+$28*1+$25) = 0
  to:main::@return
main::@return: scope:[main]  from main::@1_1
  [5] return 
  to:@return
