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