@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()

(void()) main()
main: scope:[main]  from @1
  [4] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@4
  [5] (byte) main::i#2 ← phi( main/(byte) 0 main::@4/(byte) main::i#1 )
  [6] (byte) cond::b#0 ← (byte) main::i#2
  [7] call cond 
  [8] (bool) cond::return#0 ← (bool) cond::return#1
  to:main::@5
main::@5: scope:[main]  from main::@1
  [9] (bool~) main::$0 ← (bool) cond::return#0
  [10] if((bool~) main::$0) goto main::@2
  to:main::@3
main::@3: scope:[main]  from main::@5
  [11] (byte) m2::i#0 ← (byte) main::i#2
  [12] call m2 
  [13] (byte) m2::return#0 ← (byte) m2::return#1
  to:main::@7
main::@7: scope:[main]  from main::@3
  [14] (byte~) main::$2 ← (byte) m2::return#0
  to:main::@4
main::@4: scope:[main]  from main::@6 main::@7
  [15] (byte~) main::$5 ← phi( main::@6/(byte~) main::$4 main::@7/(byte~) main::$2 )
  [16] *((const byte*) main::SCREEN + (byte) main::i#2) ← (byte~) main::$5
  [17] (byte) main::i#1 ← ++ (byte) main::i#2
  [18] if((byte) main::i#1!=(byte) $a) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@4
  [19] return 
  to:@return
main::@2: scope:[main]  from main::@5
  [20] (byte) m1::i#0 ← (byte) main::i#2
  [21] call m1 
  [22] (byte) m1::return#0 ← (byte) m1::return#1
  to:main::@6
main::@6: scope:[main]  from main::@2
  [23] (byte~) main::$4 ← (byte) m1::return#0
  to:main::@4

(byte()) m1((byte) m1::i)
m1: scope:[m1]  from main::@2
  [24] (byte) m1::return#1 ← (byte) 5 + (byte) m1::i#0
  to:m1::@return
m1::@return: scope:[m1]  from m1
  [25] return 
  to:@return

(byte()) m2((byte) m2::i)
m2: scope:[m2]  from main::@3
  [26] (byte) m2::return#1 ← (byte) $a + (byte) m2::i#0
  to:m2::@return
m2::@return: scope:[m2]  from m2
  [27] return 
  to:@return

(bool()) cond((byte) cond::b)
cond: scope:[cond]  from main::@1
  [28] (bool) cond::return#1 ← (byte) cond::b#0 < (byte) 5
  to:cond::@return
cond::@return: scope:[cond]  from cond
  [29] return 
  to:@return