
void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@3
  [1] main::idx#3 = phi( main/0, main::@3/main::idx#1 )
  [1] main::a#4 = phi( main/0, main::@3/main::a#1 )
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@2
  [2] main::idx#2 = phi( main::@1/main::idx#3, main::@2/main::idx#1 )
  [2] main::d#0 = phi( main::@1/0, main::@2/main::b#1 )
  [3] main::f#0 = main::d#0 + main::a#4
  [4] main::g#0 = main::f#0 + main::f#0
  [5] main::SCREEN[main::idx#2] = main::g#0
  [6] main::idx#1 = ++ main::idx#2
  [7] main::b#1 = ++ main::d#0
  [8] if(main::b#1!=6) goto main::@2
  to:main::@3
main::@3: scope:[main]  from main::@2
  [9] main::a#1 = ++ main::a#4
  [10] if(main::a#1!=6) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@3
  [11] return 
  to:@return
