
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [1] main::i#2 = phi( main/0, main::@1/main::i#1 )
  [2] base[main::i#2] = main::i#2
  [3] main::i#1 = ++ main::i#2
  [4] if(main::i#1!=0) goto main::@1
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@3
  [5] fillscreen::c#0 = *BG_COLOR
  [6] call fillscreen
  to:main::@3
main::@3: scope:[main]  from main::@2
  [7] *BG_COLOR = ++ *BG_COLOR
  to:main::@2

void fillscreen(char c)
fillscreen: scope:[fillscreen]  from main::@2
  [8] phi()
  to:fillscreen::@1
fillscreen::@1: scope:[fillscreen]  from fillscreen fillscreen::@2
  [9] fillscreen::i#2 = phi( fillscreen/0, fillscreen::@2/fillscreen::i#1 )
  [9] fillscreen::screen#2 = phi( fillscreen/SCREEN, fillscreen::@2/fillscreen::screen#1 )
  [10] if(fillscreen::screen#2<SCREEN+$3e8) goto fillscreen::@2
  to:fillscreen::@return
fillscreen::@return: scope:[fillscreen]  from fillscreen::@1
  [11] return 
  to:@return
fillscreen::@2: scope:[fillscreen]  from fillscreen::@1
  [12] fillscreen::$2 = fillscreen::c#0 + base[fillscreen::i#2]
  [13] *fillscreen::screen#2 = fillscreen::$2
  [14] fillscreen::i#1 = ++ fillscreen::i#2
  [15] fillscreen::screen#1 = ++ fillscreen::screen#2
  to:fillscreen::@1
