test/passes/merge-locals_all-features.txt

(module
 (type $0 (func (param i32 i32)))
 (type $1 (func (param i32 i32) (result i32)))
 (type $2 (func (param i32 f32 f32) (result i64)))
 (type $3 (func (param i32 i32 i32)))
 (type $4 (func))
 (global $global$0 (mut i32) (i32.const 10))
 (func $test (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (local.get $x)
 )
 (func $test2 (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (local.get $x)
 )
 (func $test-multiple (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (drop
   (local.get $x)
  )
  (local.get $x)
 )
 (func $test-just-some (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (drop
   (local.get $x)
  )
  (local.set $y
   (i32.const 200)
  )
  (local.get $y)
 )
 (func $test-just-some2 (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (if
   (i32.const 300)
   (then
    (local.set $y
     (i32.const 400)
    )
   )
   (else
    (drop
     (local.get $x)
    )
   )
  )
  (i32.const 500)
 )
 (func $test-just-some3 (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (i32.const 200)
    )
   )
  )
  (if
   (i32.const 300)
   (then
    (local.set $y
     (i32.const 400)
    )
   )
   (else
    (drop
     (local.get $y)
    )
   )
  )
  (local.get $y)
 )
 (func $silly-self (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $x)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (local.get $y)
 )
 (func $silly-multi (type $1) (param $x i32) (param $y i32) (result i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.tee $y
      (local.get $x)
     )
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (local.get $y)
 )
 (func $undo-1 (type $0) (param $var$1 i32) (param $var$2 i32)
  (local $var$5 i32)
  (local.set $var$2
   (local.get $var$1)
  )
  (local.set $var$2
   (i32.const 1)
  )
  (drop
   (local.get $var$1)
  )
 )
 (func $undo-2 (type $0) (param $var$1 i32) (param $var$2 i32)
  (local $var$5 i32)
  (local.set $var$2
   (local.get $var$1)
  )
  (if
   (local.get $var$1)
   (then
    (local.set $var$2
     (i32.const 1)
    )
   )
  )
  (drop
   (local.get $var$1)
  )
 )
 (func $reverse (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $y)
    )
   )
  )
  (drop
   (local.get $y)
  )
  (if
   (i32.const 1)
   (then
    (local.set $y
     (i32.const 200)
    )
   )
  )
  (drop
   (local.get $y)
  )
 )
 (func $reverse-end (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
 )
 (func $reverse-lone-end-2 (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (local.set $y
   (i32.const 200)
  )
  (drop
   (local.get $y)
  )
 )
 (func $reverse-undo (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $y)
    )
   )
  )
  (local.set $x
   (i32.const 300)
  )
  (drop
   (local.get $x)
  )
  (if
   (i32.const 1)
   (then
    (local.set $y
     (i32.const 200)
    )
   )
  )
  (drop
   (local.get $y)
  )
 )
 (func $reverse-undo2 (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (i32.const 150)
    )
   )
  )
  (local.set $x
   (i32.const 300)
  )
  (drop
   (local.get $x)
  )
  (if
   (i32.const 1)
   (then
    (local.set $y
     (i32.const 200)
    )
   )
  )
  (drop
   (local.get $y)
  )
 )
 (func $reverse-undo3-conditional (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (i32.const 150)
    )
   )
  )
  (if
   (i32.const 1)
   (then
    (local.set $x
     (i32.const 300)
    )
   )
  )
  (drop
   (local.get $x)
  )
  (if
   (i32.const 1)
   (then
    (local.set $y
     (i32.const 200)
    )
   )
  )
  (drop
   (local.get $y)
  )
 )
 (func $reverse-undo3-conditional-b (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (local.get $x)
    )
   )
  )
  (if
   (i32.const 1)
   (then
    (local.set $x
     (i32.const 300)
    )
   )
  )
  (drop
   (local.get $x)
  )
  (if
   (i32.const 1)
   (then
    (local.set $y
     (i32.const 200)
    )
   )
  )
  (drop
   (local.get $y)
  )
 )
 (func $reverse-undo3-conditional-c (type $0) (param $x i32) (param $y i32)
  (drop
   (if (result i32)
    (local.tee $x
     (local.get $y)
    )
    (then
     (i32.const 100)
    )
    (else
     (i32.const 150)
    )
   )
  )
  (if
   (i32.const 1)
   (then
    (drop
     (local.get $x)
    )
   )
   (else
    (if
     (i32.const 1)
     (then
      (local.set $x
       (i32.const 300)
      )
     )
    )
    (drop
     (local.get $x)
    )
   )
  )
  (if
   (i32.const 1)
   (then
    (local.set $y
     (i32.const 200)
    )
   )
  )
  (drop
   (local.get $y)
  )
 )
 (func $fuzz (type $2) (param $var$0 i32) (param $var$1 f32) (param $var$2 f32) (result i64)
  (local $var$3 i32)
  (global.set $global$0
   (i32.sub
    (global.get $global$0)
    (i32.const 1)
   )
  )
  (loop $label$1 (result i64)
   (global.set $global$0
    (i32.sub
     (global.get $global$0)
     (i32.const 1)
    )
   )
   (br_if $label$1
    (block $label$2 (result i32)
     (drop
      (if (result i32)
       (block $label$3 (result i32)
        (global.set $global$0
         (i32.sub
          (global.get $global$0)
          (i32.const 3)
         )
        )
        (local.set $var$3
         (i32.const 1)
        )
        (local.tee $var$3
         (local.get $var$0)
        )
       )
       (then
        (i32.const 0)
       )
       (else
        (local.set $var$3
         (if (result i32)
          (i32.const 0)
          (then
           (block $label$7
            (block $label$8
             (local.set $var$0
              (i32.const 34738786)
             )
            )
           )
           (local.get $var$3)
          )
          (else
           (if
            (i32.eqz
             (global.get $global$0)
            )
            (then
             (return
              (i64.const 137438953472)
             )
            )
           )
           (global.set $global$0
            (i32.sub
             (global.get $global$0)
             (i32.const 1)
            )
           )
           (br_if $label$1
            (i32.eqz
             (local.get $var$3)
            )
           )
           (return
            (i64.const 44125)
           )
          )
         )
        )
        (i32.const -129)
       )
      )
     )
     (i32.const 0)
    )
   )
   (i64.const -36028797018963968)
  )
 )
 (func $trivial-confusion (type $3) (param $unused i32) (param $param i32) (param $result i32)
  (loop $label$1
   (if
    (i32.const 1)
    (then
     (drop
      (local.get $result)
     )
    )
   )
   (local.set $result
    (local.get $param)
   )
   (br_if $label$1
    (local.tee $unused
     (local.get $param)
    )
   )
  )
 )
 (func $subtype-test (type $4)
  (local $0 anyref)
  (local $1 i31ref)
  (local $2 i31ref)
  (local.set $0
   (local.get $1)
  )
  (local.set $2
   (local.get $1)
  )
 )
)