
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@2
main::@2: scope:[main]  from main
  [1] *SCREEN = '+'
  to:main::@1
main::@1: scope:[main]  from main::@2
  [2] *(SCREEN+1) = ' '
  to:main::@3
main::@3: scope:[main]  from main::@1 main::@4
  [3] main::idx#10 = phi( main::@1/2, main::@4/main::idx#11 )
  [3] main::i#2 = phi( main::@1/0, main::@4/main::i#1 )
  [4] if(0==main::i#2) goto main::@4
  to:main::@5
main::@5: scope:[main]  from main::@3
  [5] SCREEN[main::idx#10] = '+'
  [6] main::idx#4 = ++ main::idx#10
  to:main::@4
main::@4: scope:[main]  from main::@3 main::@5
  [7] main::idx#11 = phi( main::@3/main::idx#10, main::@5/main::idx#4 )
  [8] main::i#1 = ++ main::i#2
  [9] if(main::i#1!=3) goto main::@3
  to:main::@6
main::@6: scope:[main]  from main::@4
  [10] SCREEN[main::idx#11] = ' '
  [11] main::idx#5 = ++ main::idx#11
  to:main::@7
main::@7: scope:[main]  from main::@6 main::@8
  [12] main::idx#12 = phi( main::@8/main::idx#17, main::@6/main::idx#5 )
  [12] main::i1#2 = phi( main::@8/main::i1#1, main::@6/0 )
  [13] if(0==main::i1#2) goto main::@8
  to:main::@9
main::@9: scope:[main]  from main::@7
  [14] SCREEN[main::idx#12] = '+'
  [15] main::idx#6 = ++ main::idx#12
  to:main::@8
main::@8: scope:[main]  from main::@7 main::@9
  [16] main::idx#17 = phi( main::@9/main::idx#6, main::@7/main::idx#12 )
  [17] main::i1#1 = ++ main::i1#2
  [18] if(main::i1#1!=3) goto main::@7
  to:main::@return
main::@return: scope:[main]  from main::@8
  [19] return 
  to:@return
