test/spec/local_tee.wast

;; Test `local.tee` operator

(module
  ;; Typing

  (func (export "type-local-i32") (result i32) (local i32) (local.tee 0 (i32.const 0)))
  (func (export "type-local-i64") (result i64) (local i64) (local.tee 0 (i64.const 0)))
  (func (export "type-local-f32") (result f32) (local f32) (local.tee 0 (f32.const 0)))
  (func (export "type-local-f64") (result f64) (local f64) (local.tee 0 (f64.const 0)))

  (func (export "type-param-i32") (param i32) (result i32) (local.tee 0 (i32.const 10)))
  (func (export "type-param-i64") (param i64) (result i64) (local.tee 0 (i64.const 11)))
  (func (export "type-param-f32") (param f32) (result f32) (local.tee 0 (f32.const 11.1)))
  (func (export "type-param-f64") (param f64) (result f64) (local.tee 0 (f64.const 12.2)))

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

  ;; Writing

  (func (export "write") (param i64 f32 f64 i32 i32) (result i64) (local f32 i64 i64 f64)
    (drop (local.tee 1 (f32.const -0.3)))
    (drop (local.tee 3 (i32.const 40)))
    (drop (local.tee 4 (i32.const -7)))
    (drop (local.tee 5 (f32.const 5.5)))
    (drop (local.tee 6 (i64.const 6)))
    (drop (local.tee 8 (f64.const 8)))
    (i64.trunc_f64_s
      (f64.add
        (f64.convert_i64_u (local.get 0))
        (f64.add
          (f64.promote_f32 (local.get 1))
          (f64.add
            (local.get 2)
            (f64.add
              (f64.convert_i32_u (local.get 3))
              (f64.add
                (f64.convert_i32_s (local.get 4))
                (f64.add
                  (f64.promote_f32 (local.get 5))
                  (f64.add
                    (f64.convert_i64_u (local.get 6))
                    (f64.add
                      (f64.convert_i64_u (local.get 7))
                      (local.get 8)
                    )
                  )
                )
              )
            )
          )
        )
      )
    )
  )

  ;; Result

  (func (export "result") (param i64 f32 f64 i32 i32) (result f64)
    (local f32 i64 i64 f64)
    (f64.add
      (f64.convert_i64_u (local.tee 0 (i64.const 1)))
      (f64.add
        (f64.promote_f32 (local.tee 1 (f32.const 2)))
        (f64.add
          (local.tee 2 (f64.const 3.3))
          (f64.add
            (f64.convert_i32_u (local.tee 3 (i32.const 4)))
            (f64.add
              (f64.convert_i32_s (local.tee 4 (i32.const 5)))
              (f64.add
                (f64.promote_f32 (local.tee 5 (f32.const 5.5)))
                (f64.add
                  (f64.convert_i64_u (local.tee 6 (i64.const 6)))
                  (f64.add
                    (f64.convert_i64_u (local.tee 7 (i64.const 0)))
                    (local.tee 8 (f64.const 8))
                  )
                )
              )
            )
          )
        )
      )
    )
  )

  (func $dummy)

  (func (export "as-block-first") (param i32) (result i32)
    (block (result i32) (local.tee 0 (i32.const 1)) (call $dummy))
  )
  (func (export "as-block-mid") (param i32) (result i32)
    (block (result i32) (call $dummy) (local.tee 0 (i32.const 1)) (call $dummy))
  )
  (func (export "as-block-last") (param i32) (result i32)
    (block (result i32) (call $dummy) (call $dummy) (local.tee 0 (i32.const 1)))
  )

  (func (export "as-loop-first") (param i32) (result i32)
    (loop (result i32) (local.tee 0 (i32.const 3)) (call $dummy))
  )
  (func (export "as-loop-mid") (param i32) (result i32)
    (loop (result i32) (call $dummy) (local.tee 0 (i32.const 4)) (call $dummy))
  )
  (func (export "as-loop-last") (param i32) (result i32)
    (loop (result i32) (call $dummy) (call $dummy) (local.tee 0 (i32.const 5)))
  )

  (func (export "as-br-value") (param i32) (result i32)
    (block (result i32) (br 0 (local.tee 0 (i32.const 9))))
  )

  (func (export "as-br_if-cond") (param i32)
    (block (br_if 0 (local.tee 0 (i32.const 1))))
  )
  (func (export "as-br_if-value") (param i32) (result i32)
    (block (result i32)
      (drop (br_if 0 (local.tee 0 (i32.const 8)) (i32.const 1))) (i32.const 7)
    )
  )
  (func (export "as-br_if-value-cond") (param i32) (result i32)
    (block (result i32)
      (drop (br_if 0 (i32.const 6) (local.tee 0 (i32.const 9)))) (i32.const 7)
    )
  )

  (func (export "as-br_table-index") (param i32)
    (block (br_table 0 0 0 (local.tee 0 (i32.const 0))))
  )
  (func (export "as-br_table-value") (param i32) (result i32)
    (block (result i32)
      (br_table 0 0 0 (local.tee 0 (i32.const 10)) (i32.const 1)) (i32.const 7)
    )
  )
  (func (export "as-br_table-value-index") (param i32) (result i32)
    (block (result i32)
      (br_table 0 0 (i32.const 6) (local.tee 0 (i32.const 11))) (i32.const 7)
    )
  )

  (func (export "as-return-value") (param i32) (result i32)
    (return (local.tee 0 (i32.const 7)))
  )

  (func (export "as-if-cond") (param i32) (result i32)
    (if (result i32) (local.tee 0 (i32.const 2))
      (then (i32.const 0)) (else (i32.const 1))
    )
  )
  (func (export "as-if-then") (param i32) (result i32)
    (if (result i32) (local.get 0)
      (then (local.tee 0 (i32.const 3))) (else (local.get 0))
    )
  )
  (func (export "as-if-else") (param i32) (result i32)
    (if (result i32) (local.get 0)
      (then (local.get 0)) (else (local.tee 0 (i32.const 4)))
    )
  )

  (func (export "as-select-first") (param i32 i32) (result i32)
    (select (local.tee 0 (i32.const 5)) (local.get 0) (local.get 1))
  )
  (func (export "as-select-second") (param i32 i32) (result i32)
    (select (local.get 0) (local.tee 0 (i32.const 6)) (local.get 1))
  )
  (func (export "as-select-cond") (param i32) (result i32)
    (select (i32.const 0) (i32.const 1) (local.tee 0 (i32.const 7)))
  )

  (func $f (param i32 i32 i32) (result i32) (i32.const -1))
  (func (export "as-call-first") (param i32) (result i32)
    (call $f (local.tee 0 (i32.const 12)) (i32.const 2) (i32.const 3))
  )
  (func (export "as-call-mid") (param i32) (result i32)
    (call $f (i32.const 1) (local.tee 0 (i32.const 13)) (i32.const 3))
  )
  (func (export "as-call-last") (param i32) (result i32)
    (call $f (i32.const 1) (i32.const 2) (local.tee 0 (i32.const 14)))
  )

  (type $sig (func (param i32 i32 i32) (result i32)))
  (table funcref (elem $f))
  (func (export "as-call_indirect-first") (param i32) (result i32)
    (call_indirect (type $sig)
      (local.tee 0 (i32.const 1)) (i32.const 2) (i32.const 3) (i32.const 0)
    )
  )
  (func (export "as-call_indirect-mid") (param i32) (result i32)
    (call_indirect (type $sig)
      (i32.const 1) (local.tee 0 (i32.const 2)) (i32.const 3) (i32.const 0)
    )
  )
  (func (export "as-call_indirect-last") (param i32) (result i32)
    (call_indirect (type $sig)
      (i32.const 1) (i32.const 2) (local.tee 0 (i32.const 3)) (i32.const 0)
    )
  )
  (func (export "as-call_indirect-index") (param i32) (result i32)
    (call_indirect (type $sig)
      (i32.const 1) (i32.const 2) (i32.const 3) (local.tee 0 (i32.const 0))
    )
  )

  (func (export "as-local.set-value") (local i32)
    (local.set 0 (local.tee 0 (i32.const 1)))
  )
  (func (export "as-local.tee-value") (param i32) (result i32)
    (local.tee 0 (local.tee 0 (i32.const 1)))
  )
  (global $g (mut i32) (i32.const 0))
  (func (export "as-global.set-value") (local i32)
    (global.set $g (local.tee 0 (i32.const 1)))
  )

  (memory 1)
  (func (export "as-load-address") (param i32) (result i32)
    (i32.load (local.tee 0 (i32.const 1)))
  )
  (func (export "as-loadN-address") (param i32) (result i32)
    (i32.load8_s (local.tee 0 (i32.const 3)))
  )

  (func (export "as-store-address") (param i32)
    (i32.store (local.tee 0 (i32.const 30)) (i32.const 7))
  )
  (func (export "as-store-value") (param i32)
    (i32.store (i32.const 2) (local.tee 0 (i32.const 1)))
  )

  (func (export "as-storeN-address") (param i32)
    (i32.store8 (local.tee 0 (i32.const 1)) (i32.const 7))
  )
  (func (export "as-storeN-value") (param i32)
    (i32.store16 (i32.const 2) (local.tee 0 (i32.const 1)))
  )

  (func (export "as-unary-operand") (param f32) (result f32)
    (f32.neg (local.tee 0 (f32.const nan:0x0f1e2)))
  )

  (func (export "as-binary-left") (param i32) (result i32)
    (i32.add (local.tee 0 (i32.const 3)) (i32.const 10))
  )
  (func (export "as-binary-right") (param i32) (result i32)
    (i32.sub (i32.const 10) (local.tee 0 (i32.const 4)))
  )

  (func (export "as-test-operand") (param i32) (result i32)
    (i32.eqz (local.tee 0 (i32.const 0)))
  )

  (func (export "as-compare-left") (param i32) (result i32)
    (i32.le_s (local.tee 0 (i32.const 43)) (i32.const 10))
  )
  (func (export "as-compare-right") (param i32) (result i32)
    (i32.ne (i32.const 10) (local.tee 0 (i32.const 42)))
  )

  (func (export "as-convert-operand") (param i64) (result i32)
    (i32.wrap_i64 (local.tee 0 (i64.const 41)))
  )

  (func (export "as-memory.grow-size") (param i32) (result i32)
    (memory.grow (local.tee 0 (i32.const 40)))
  )

)

(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 10))
(assert_return (invoke "type-param-i64" (i64.const 3)) (i64.const 11))
(assert_return (invoke "type-param-f32" (f32.const 4.4)) (f32.const 11.1))
(assert_return (invoke "type-param-f64" (f64.const 5.5)) (f64.const 12.2))

(assert_return (invoke "as-block-first" (i32.const 0)) (i32.const 1))
(assert_return (invoke "as-block-mid" (i32.const 0)) (i32.const 1))
(assert_return (invoke "as-block-last" (i32.const 0)) (i32.const 1))

(assert_return (invoke "as-loop-first" (i32.const 0)) (i32.const 3))
(assert_return (invoke "as-loop-mid" (i32.const 0)) (i32.const 4))
(assert_return (invoke "as-loop-last" (i32.const 0)) (i32.const 5))

(assert_return (invoke "as-br-value" (i32.const 0)) (i32.const 9))

(assert_return (invoke "as-br_if-cond" (i32.const 0)))
(assert_return (invoke "as-br_if-value" (i32.const 0)) (i32.const 8))
(assert_return (invoke "as-br_if-value-cond" (i32.const 0)) (i32.const 6))

(assert_return (invoke "as-br_table-index" (i32.const 0)))
(assert_return (invoke "as-br_table-value" (i32.const 0)) (i32.const 10))
(assert_return (invoke "as-br_table-value-index" (i32.const 0)) (i32.const 6))

(assert_return (invoke "as-return-value" (i32.const 0)) (i32.const 7))

(assert_return (invoke "as-if-cond" (i32.const 0)) (i32.const 0))
(assert_return (invoke "as-if-then" (i32.const 1)) (i32.const 3))
(assert_return (invoke "as-if-else" (i32.const 0)) (i32.const 4))

(assert_return (invoke "as-select-first" (i32.const 0) (i32.const 1)) (i32.const 5))
(assert_return (invoke "as-select-second" (i32.const 0) (i32.const 0)) (i32.const 6))
(assert_return (invoke "as-select-cond" (i32.const 0)) (i32.const 0))

(assert_return (invoke "as-call-first" (i32.const 0)) (i32.const -1))
(assert_return (invoke "as-call-mid" (i32.const 0)) (i32.const -1))
(assert_return (invoke "as-call-last" (i32.const 0)) (i32.const -1))

(assert_return (invoke "as-call_indirect-first" (i32.const 0)) (i32.const -1))
(assert_return (invoke "as-call_indirect-mid" (i32.const 0)) (i32.const -1))
(assert_return (invoke "as-call_indirect-last" (i32.const 0)) (i32.const -1))
(assert_return (invoke "as-call_indirect-index" (i32.const 0)) (i32.const -1))

(assert_return (invoke "as-local.set-value"))
(assert_return (invoke "as-local.tee-value" (i32.const 0)) (i32.const 1))
(assert_return (invoke "as-global.set-value"))

(assert_return (invoke "as-load-address" (i32.const 0)) (i32.const 0))
(assert_return (invoke "as-loadN-address" (i32.const 0)) (i32.const 0))
(assert_return (invoke "as-store-address" (i32.const 0)))
(assert_return (invoke "as-store-value" (i32.const 0)))
(assert_return (invoke "as-storeN-address" (i32.const 0)))
(assert_return (invoke "as-storeN-value" (i32.const 0)))

(assert_return (invoke "as-unary-operand" (f32.const 0)) (f32.const -nan:0x0f1e2))
(assert_return (invoke "as-binary-left" (i32.const 0)) (i32.const 13))
(assert_return (invoke "as-binary-right" (i32.const 0)) (i32.const 6))
(assert_return (invoke "as-test-operand" (i32.const 0)) (i32.const 1))
(assert_return (invoke "as-compare-left" (i32.const 0)) (i32.const 0))
(assert_return (invoke "as-compare-right" (i32.const 0)) (i32.const 1))
(assert_return (invoke "as-convert-operand" (i64.const 0)) (i32.const 41))
(assert_return (invoke "as-memory.grow-size" (i32.const 0)) (i32.const 1))

(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 "write"
    (i64.const 1) (f32.const 2) (f64.const 3.3) (i32.const 4) (i32.const 5)
  )
  (i64.const 56)
)

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

(assert_invalid
  (module (func $type-local-arg-void-vs-num (local i32) (local.tee 0 (nop))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-local-arg-num-vs-num (local i32) (local.tee 0 (f32.const 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-local-arg-num-vs-num (local f32) (local.tee 0 (f64.const 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-local-arg-num-vs-num (local f64 i64) (local.tee 1 (f64.const 0))))
  "type mismatch"
)


;; Invalid typing of access to parameters

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

(assert_invalid
  (module (func $type-param-arg-void-vs-num (param i32) (local.tee 0 (nop))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-param-arg-num-vs-num (param i32) (local.tee 0 (f32.const 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-param-arg-num-vs-num (param f32) (local.tee 0 (f64.const 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-param-arg-num-vs-num (param f64 i64) (local.tee 1 (f64.const 0))))
  "type mismatch"
)

(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num (param i32)
      (local.tee 0) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-block (param i32)
      (i32.const 0)
      (block (local.tee 0) (drop))
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-loop (param i32)
      (i32.const 0)
      (loop (local.tee 0) (drop))
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-then (param i32)
      (i32.const 0) (i32.const 0)
      (if (then (local.tee 0) (drop)))
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-else (param i32)
      (i32.const 0) (i32.const 0)
      (if (result i32) (then (i32.const 0)) (else (local.tee 0))) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-br (param i32)
      (i32.const 0)
      (block (br 0 (local.tee 0)) (drop))
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-br_if (param i32)
      (i32.const 0)
      (block (br_if 0 (local.tee 0) (i32.const 1)) (drop))
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-br_table (param i32)
      (i32.const 0)
      (block (br_table 0 (local.tee 0)) (drop))
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-return (param i32)
      (return (local.tee 0)) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-select (param i32)
      (select (local.tee 0) (i32.const 1) (i32.const 2)) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-call (param i32)
      (call 1 (local.tee 0)) (drop)
    )
    (func (param i32) (result i32) (local.get 0))
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $f (param i32) (result i32) (local.get 0))
    (type $sig (func (param i32) (result i32)))
    (table funcref (elem $f))
    (func $type-param-arg-empty-vs-num-in-call_indirect (param i32)
      (block (result i32)
        (call_indirect (type $sig)
          (local.tee 0) (i32.const 0)
        )
        (drop)
      )
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-local.set (param i32)
      (local.set 0 (local.tee 0)) (local.get 0) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (func $type-param-arg-empty-vs-num-in-local.tee (param i32)
      (local.tee 0 (local.tee 0)) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (global $x (mut i32) (i32.const 0))
    (func $type-param-arg-empty-vs-num-in-global.set (param i32)
      (global.set $x (local.tee 0)) (global.get $x) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (memory 0)
    (func $type-param-arg-empty-vs-num-in-memory.grow (param i32)
      (memory.grow (local.tee 0)) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (memory 0)
    (func $type-param-arg-empty-vs-num-in-load (param i32)
      (i32.load (local.tee 0)) (drop)
    )
  )
  "type mismatch"
)
(assert_invalid
  (module
    (memory 1)
    (func $type-param-arg-empty-vs-num-in-store (param i32)
      (i32.store (local.tee 0) (i32.const 1))
    )
  )
  "type mismatch"
)


;; Invalid local index

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

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

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

(assert_invalid
  (module (func $type-mixed-arg-num-vs-num (param f32) (local i32) (local.tee 1 (f32.const 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-mixed-arg-num-vs-num (param i64 i32) (local f32) (local.tee 1 (f32.const 0))))
  "type mismatch"
)
(assert_invalid
  (module (func $type-mixed-arg-num-vs-num (param i64) (local f64 i64) (local.tee 1 (i64.const 0))))
  "type mismatch"
)