__stackcall byte pow2(byte pow2::n)
pow2: scope:[pow2]  from
  [0] pow2::n#0 = stackidx(byte,pow2::OFFSET_STACK_N)
  [1] if(pow2::n#0==0) goto pow2::@return
  to:pow2::@1
pow2::@1: scope:[pow2]  from pow2
  [2] pow2::$1 = pow2::n#0 - 1
  [3] stackpush(byte) = pow2::$1
  [4] callexecute pow2 
  [5] pow2::c#0 = stackpull(byte)
  [6] pow2::return#1 = pow2::c#0 + pow2::c#0
  to:pow2::@return
pow2::@return: scope:[pow2]  from pow2 pow2::@1
  [7] pow2::return#2 = phi( pow2/1, pow2::@1/pow2::return#1 )
  [8] stackidx(byte,pow2::OFFSET_STACK_RETURN) = pow2::return#2
  [9] return 
  to:@return

void main()
main: scope:[main]  from
  [10] stackpush(byte) = 6
  [11] callexecute pow2 
  [12] main::$0 = stackpull(byte)
  [13] *SCREEN = main::$0
  to:main::@return
main::@return: scope:[main]  from main
  [14] return 
  to:@return