
void main()
main: scope:[main]  from
  [0] phi()
  [1] call print
  to:main::@1
main::@1: scope:[main]  from main
  [2] phi()
  [3] call print
  to:main::@2
main::@2: scope:[main]  from main::@1
  [4] phi()
  [5] call print
  to:main::@return
main::@return: scope:[main]  from main::@2
  [6] return 
  to:@return

void print(unsigned int w)
print: scope:[print]  from main main::@1 main::@2
  [7] print::w#3 = phi( main/$1234, main::@1/main::w, main::@2/$12w=$34 )
  [7] idx#13 = phi( main/0, main::@1/idx#14, main::@2/idx#14 )
  [8] print::$0 = idx#13 << 1
  [9] SCREEN[print::$0] = print::w#3
  [10] idx#14 = ++ idx#13
  to:print::@return
print::@return: scope:[print]  from print
  [11] return 
  to:@return
