@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()
main: scope:[main]  from @1
  [4] phi()
  [5] call print 
  to:main::@1
main::@1: scope:[main]  from main
  [6] phi()
  [7] call print 
  to:main::@2
main::@2: scope:[main]  from main::@1
  [8] phi()
  [9] call print 
  to:main::@return
main::@return: scope:[main]  from main::@2
  [10] return 
  to:@return
print: scope:[print]  from main main::@1 main::@2
  [11] (word) print::w#3 ← phi( main/(word) $1234 main::@1/(const word) main::w#0 main::@2/(byte) $12*(word) $100+(byte) $34 )
  [11] (byte) idx#12 ← phi( main/(byte) 0 main::@1/(byte) idx#13 main::@2/(byte) idx#13 )
  [12] (byte~) print::$0 ← (byte) idx#12 << (byte) 1
  [13] *((const word*) SCREEN#0 + (byte~) print::$0) ← (word) print::w#3
  [14] (byte) idx#13 ← ++ (byte) idx#12
  to:print::@return
print::@return: scope:[print]  from print
  [15] return 
  to:@return
