1:  func_dec : entry
   2:  func : entry
   3:  $t0 = 3
   4:  Label : 1
   5:  x = $t0
   6:  $t1 = -x
   7:  Label : 2
   8:  y = $t1
   9:  param y 
  10:  call : printInteger 1
  11:  Label : 3
  12:  result = $t2
  13:  return : y