samplecode/wasmi/test_input/get_local.wast

;; Test `get_local` operator

(module
  ;; Typing

  (func (export "type-local-i32") (result i32) (local i32) (get_local 0))
  (func (export "type-local-i64") (result i64) (local i64) (get_local 0))
  (func (export "type-local-f32") (result f32) (local f32) (get_local 0))
  (func (export "type-local-f64") (result f64) (local f64) (get_local 0))

  (func (export "type-param-i32") (param i32) (result i32) (get_local 0))
  (func (export "type-param-i64") (param i64) (result i64) (get_local 0))
  (func (export "type-param-f32") (param f32) (result f32) (get_local 0))
  (func (export "type-param-f64") (param f64) (result f64) (get_local 0))

  (func (export "type-mixed") (param i64 f32 f64 i32 i32)
    (local f32 i64 i64 f64)
    (drop (i64.eqz (get_local 0)))
    (drop (f32.neg (get_local 1)))
    (drop (f64.neg (get_local 2)))
    (drop (i32.eqz (get_local 3)))
    (drop (i32.eqz (get_local 4)))
    (drop (f32.neg (get_local 5)))
    (drop (i64.eqz (get_local 6)))
    (drop (i64.eqz (get_local 7)))
    (drop (f64.neg (get_local 8)))
  )

  ;; Reading

  (func (export "read") (param i64 f32 f64 i32 i32) (result f64)
    (local f32 i64 i64 f64)
    (set_local 5 (f32.const 5.5))
    (set_local 6 (i64.const 6))
    (set_local 8 (f64.const 8))
    (f64.add
      (f64.convert_u/i64 (get_local 0))
      (f64.add
        (f64.promote/f32 (get_local 1))
        (f64.add
          (get_local 2)
          (f64.add
            (f64.convert_u/i32 (get_local 3))
            (f64.add
              (f64.convert_s/i32 (get_local 4))
              (f64.add
                (f64.promote/f32 (get_local 5))
                (f64.add
                  (f64.convert_u/i64 (get_local 6))
                  (f64.add
                    (f64.convert_u/i64 (get_local 7))
                    (get_local 8)
                  )
                )
              )
            )
          )
        )
      )
    )
  )
)

(assert_return (invoke "type-local-i32") (i32.const 0))
(assert_return (invoke "type-local-i64") (i64.const 0))
(assert_return (invoke "type-local-f32") (f32.const 0))
(assert_return (invoke "type-local-f64") (f64.const 0))

(assert_return (invoke "type-param-i32" (i32.const 2)) (i32.const 2))
(assert_return (invoke "type-param-i64" (i64.const 3)) (i64.const 3))
(assert_return (invoke "type-param-f32" (f32.const 4.4)) (f32.const 4.4))
(assert_return (invoke "type-param-f64" (f64.const 5.5)) (f64.const 5.5))

(assert_return
  (invoke "type-mixed"
    (i64.const 1) (f32.const 2.2) (f64.const 3.3) (i32.const 4) (i32.const 5)
  )
)

(assert_return
  (invoke "read"
    (i64.const 1) (f32.const 2) (f64.const 3.3) (i32.const 4) (i32.const 5)
  )
  (f64.const 34.8)
)


;; Invalid typing of access to locals

(assert_invalid
  (module (func $type-local-num-vs-num (result i64) (local i32) (get_local 0)))
  "type mismatch"
)
(assert_invalid
  (module (func $type-local-num-vs-num (local f32) (i32.eqz (get_local 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-local-num-vs-num (local f64 i64) (f64.neg (get_local 1))))
  "type mismatch"
)


;; Invalid typing of access to parameters

(assert_invalid
  (module (func $type-param-num-vs-num (param i32) (result i64) (get_local 0)))
  "type mismatch"
)
(assert_invalid
  (module (func $type-param-num-vs-num (param f32) (i32.eqz (get_local 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-param-num-vs-num (param f64 i64) (f64.neg (get_local 1))))
  "type mismatch"
)


;; Invalid local index

(assert_invalid
  (module (func $unbound-local (local i32 i64) (get_local 3)))
  "unknown local"
)
(assert_invalid
  (module (func $large-local (local i32 i64) (get_local 14324343)))
  "unknown local"
)

(assert_invalid
  (module (func $unbound-param (param i32 i64) (get_local 2)))
  "unknown local"
)
(assert_invalid
  (module (func $large-param (local i32 i64) (get_local 714324343)))
  "unknown local"
)

(assert_invalid
  (module (func $unbound-mixed (param i32) (local i32 i64) (get_local 3)))
  "unknown local"
)
(assert_invalid
  (module (func $large-mixed (param i64) (local i32 i64) (get_local 214324343)))
  "unknown local"
)