test/passes/flatten_local-cse_Os.txt

(module
 (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
 (export "div16_internal" (func $0))
 (func $0 (; has Stack IR ;) (param $0 i32) (param $1 i32) (result i32)
  (i32.add
   (local.tee $0
    (i32.xor
     (i32.shr_s
      (i32.shl
       (local.get $0)
       (i32.const 16)
      )
      (i32.const 16)
     )
     (i32.shr_s
      (i32.shl
       (local.get $1)
       (i32.const 16)
      )
      (i32.const 16)
     )
    )
   )
   (local.get $0)
  )
 )
)