test/analyze/test.txt

Execution hashing info:
  num expression nodes in total: 8
  num unique expressions: 6
  num relevant expressions: 6
  num execution classes: 5
  max class size: 2
sorted possible optimization rules:

[generalized rule 0: benefit: 2, (12.5%)], input pattern:
(i32.shl
  (i32.shl
    (get_local $0)
    (unreachable)
  )
  (unreachable)
)

[child specific rule benefit: 2, (12.5%)], possible rule:
(i32.shl
  (i32.shl
    (get_local $0)
    (i32.const 1)
  )
  (i32.const 1)
)
 =->
(i32.shl
  (get_local $0)
  (i32.const 2)
)