
void main()
main: scope:[main]  from
  [0] phi()
  [1] call inccnt 
  to:main::@1
main::@1: scope:[main]  from main
  [2] *SCREEN = cnt#14
  [3] cnt#1 = ++ cnt#14
  [4] call inccnt 
  to:main::@2
main::@2: scope:[main]  from main::@1
  [5] cnt#12 = ++ cnt#14
  [6] *(SCREEN+1) = cnt#12
  to:main::@return
main::@return: scope:[main]  from main::@2
  [7] return 
  to:@return

void inccnt()
inccnt: scope:[inccnt]  from main main::@1
  [8] cnt#13 = phi( main/0, main::@1/cnt#1 )
  [9] cnt#14 = ++ cnt#13
  to:inccnt::@return
inccnt::@return: scope:[inccnt]  from inccnt
  [10] return 
  to:@return
