
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@3
  [1] main::i#2 = phi( main/0, main::@3/main::i#1 )
  [2] sum::a#0 = main::i#2
  [3] sum::b#0 = main::i#2
  [4] call sum
  [5] sum::return#0 = sum::return#2
  to:main::@2
main::@2: scope:[main]  from main::@1
  [6] main::$1 = sum::return#0
  [7] sum::a#1 = main::i#2
  [8] sum::b#1 = main::i#2
  [9] call sum
  [10] sum::return#1 = sum::return#2
  to:main::@3
main::@3: scope:[main]  from main::@2
  [11] main::$2 = sum::return#1
  [12] main::$3 = main::$1 + main::$2
  [13] main::SCREEN[main::i#2] = main::$3
  [14] main::i#1 = ++ main::i#2
  [15] if(main::i#1!=6) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@3
  [16] return 
  to:@return

char sum(char a , char b)
sum: scope:[sum]  from main::@1 main::@2
  [17] sum::b#2 = phi( main::@1/sum::b#0, main::@2/sum::b#1 )
  [17] sum::a#2 = phi( main::@1/sum::a#0, main::@2/sum::a#1 )
  [18] sum::return#2 = sum::a#2 + sum::b#2
  to:sum::@return
sum::@return: scope:[sum]  from sum
  [19] return 
  to:@return
