
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [1] main::i#2 = phi( main/0, main::@2/main::i#1 )
  [2] if(0!=msg1[main::i#2]) goto main::@2
  to:main::@3
main::@3: scope:[main]  from main::@1 main::@4
  [3] main::i1#2 = phi( main::@1/0, main::@4/main::i1#1 )
  [4] if(0!=msg2[main::i1#2]) goto main::@4
  to:main::@return
main::@return: scope:[main]  from main::@3
  [5] return 
  to:@return
main::@4: scope:[main]  from main::@3
  [6] (SCREEN+$28)[main::i1#2] = msg2[main::i1#2]
  [7] main::i1#1 = ++ main::i1#2
  to:main::@3
main::@2: scope:[main]  from main::@1
  [8] SCREEN[main::i#2] = msg1[main::i#2]
  [9] main::i#1 = ++ main::i#2
  to:main::@1
