(module
 (type $0 (func))
 (memory $0 0)
 (func $signext (type $0)
  (local $var$0 i32)
  (local $var$1 i64)
  (drop
   (i32.extend8_s
    (get_local $var$0)
   )
  )
  (drop
   (i32.extend16_s
    (get_local $var$0)
   )
  )
  (drop
   (i64.extend8_s
    (get_local $var$1)
   )
  )
  (drop
   (i64.extend16_s
    (get_local $var$1)
   )
  )
  (drop
   (i64.extend32_s
    (get_local $var$1)
   )
  )
 )
)