;; Test `br_if` operator

(module
  (func $dummy)

  (func (export "type-i32-value") (result i32)
    (block (result i32) (i32.ctz (br_if 0 (i32.const 1) (i32.const 1))))
  )
  (func (export "type-i64-value") (result i64)
    (block (result i64) (i64.ctz (br_if 0 (i64.const 2) (i32.const 1))))
  )

  (func (export "as-block-first") (param i32) (result i32)
    (block (br_if 0 (local.get 0)) (return (i32.const 2))) (i32.const 3)
  )
  (func (export "as-block-mid") (param i32) (result i32)
    (block (call $dummy) (br_if 0 (local.get 0)) (return (i32.const 2)))
    (i32.const 3)
  )
  (func (export "as-block-last") (param i32)
    (block (call $dummy) (call $dummy) (br_if 0 (local.get 0)))
  )
  (func (export "as-block-last-value") (param i32) (result i32)
    (block (result i32)
      (call $dummy) (call $dummy) (br_if 0 (i32.const 11) (local.get 0))
    )
  )

  (func (export "as-loop-first") (param i32) (result i32)
    (block (loop (br_if 1 (local.get 0)) (return (i32.const 2)))) (i32.const 3)
  )
  (func (export "as-loop-mid") (param i32) (result i32)
    (block (loop (call $dummy) (br_if 1 (local.get 0)) (return (i32.const 2))))
    (i32.const 4)
  )
  (func (export "as-loop-last") (param i32)
    (loop (call $dummy) (br_if 1 (local.get 0)))
  )

  (func (export "as-br-value") (result i32)
    (block (result i32) (br 0 (br_if 0 (i32.const 1) (i32.const 2))))
  )

  (func (export "as-br_if-cond")
    (block (br_if 0 (br_if 0 (i32.const 1) (i32.const 1))))
  )

  (func (export "as-return-value") (result i64)
    (block (result i64) (return (br_if 0 (i64.const 1) (i32.const 2))))
  )

  (func (export "as-if-cond") (param i32) (result i32)
    (block (result i32)
      (if (result i32)
        (br_if 0 (i32.const 1) (local.get 0))
        (then (i32.const 2))
        (else (i32.const 3))
      )
    )
  )
  (func (export "as-if-then") (param i32 i32)
    (block
      (if (local.get 0) (then (br_if 1 (local.get 1))) (else (call $dummy)))
    )
  )
  (func (export "as-if-else") (param i32 i32)
    (block
      (if (local.get 0) (then (call $dummy)) (else (br_if 1 (local.get 1))))
    )
  )

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

  (func (export "as-local.set-value") (param i32) (result i32)
    (local i32)
    (block (result i32)
      (local.set 0 (br_if 0 (i32.const 17) (local.get 0)))
      (i32.const -1)
    )
  )

  (func (export "as-binary-left") (result i32)
    (block (result i32) (i32.add (br_if 0 (i32.const 1) (i32.const 1)) (i32.const 10)))
  )
  (func (export "as-binary-right") (result i32)
    (block (result i32) (i32.sub (i32.const 10) (br_if 0 (i32.const 1) (i32.const 1))))
  )
  (func (export "as-test-operand") (result i32)
    (block (result i32) (i32.eqz (br_if 0 (i32.const 0) (i32.const 1))))
  )
  (func (export "as-compare-left") (result i32)
    (block (result i32) (i32.le_u (br_if 0 (i32.const 1) (i32.const 1)) (i32.const 10)))
  )
  (func (export "as-compare-right") (result i32)
    (block (result i32) (i32.ne (i32.const 10) (br_if 0 (i32.const 1) (i32.const 42))))
  )
)


(assert_return (invoke "type-i32-value") (i32.const 1))
(assert_return (invoke "type-i64-value") (i64.const 2))
(assert_return (invoke "as-block-first" (i32.const 0)) (i32.const 2))
(assert_return (invoke "as-block-first" (i32.const 1)) (i32.const 3))
(assert_return (invoke "as-block-mid" (i32.const 0)) (i32.const 2))
(assert_return (invoke "as-block-mid" (i32.const 1)) (i32.const 3))
(assert_return (invoke "as-block-last" (i32.const 0)))
(assert_return (invoke "as-block-last" (i32.const 1)))
(assert_return (invoke "as-block-last-value" (i32.const 0)) (i32.const 11))
(assert_return (invoke "as-block-last-value" (i32.const 1)) (i32.const 11))
(assert_return (invoke "as-loop-first" (i32.const 0)) (i32.const 2))
(assert_return (invoke "as-loop-first" (i32.const 1)) (i32.const 3))
(assert_return (invoke "as-loop-mid" (i32.const 0)) (i32.const 2))
(assert_return (invoke "as-loop-mid" (i32.const 1)) (i32.const 4))
(assert_return (invoke "as-loop-last" (i32.const 0)))
(assert_return (invoke "as-loop-last" (i32.const 1)))
(assert_return (invoke "as-br-value") (i32.const 1))
(assert_return (invoke "as-br_if-cond"))
(assert_return (invoke "as-return-value") (i64.const 1))
(assert_return (invoke "as-if-cond" (i32.const 0)) (i32.const 2))
(assert_return (invoke "as-if-cond" (i32.const 1)) (i32.const 1))
(assert_return (invoke "as-if-then" (i32.const 0) (i32.const 0)))
(assert_return (invoke "as-if-then" (i32.const 4) (i32.const 0)))
(assert_return (invoke "as-if-then" (i32.const 0) (i32.const 1)))
(assert_return (invoke "as-if-then" (i32.const 4) (i32.const 1)))
(assert_return (invoke "as-if-else" (i32.const 0) (i32.const 0)))
(assert_return (invoke "as-if-else" (i32.const 3) (i32.const 0)))
(assert_return (invoke "as-if-else" (i32.const 0) (i32.const 1)))
(assert_return (invoke "as-if-else" (i32.const 3) (i32.const 1)))
(assert_return (invoke "as-call-first") (i32.const 12))
(assert_return (invoke "as-call-mid") (i32.const 13))
(assert_return (invoke "as-call-last") (i32.const 14))
(assert_return (invoke "as-local.set-value" (i32.const 0)) (i32.const -1))
(assert_return (invoke "as-local.set-value" (i32.const 1)) (i32.const 17))
(assert_return (invoke "as-binary-left") (i32.const 1))
(assert_return (invoke "as-binary-right") (i32.const 1))
(assert_return (invoke "as-test-operand") (i32.const 0))
(assert_return (invoke "as-compare-left") (i32.const 1))
(assert_return (invoke "as-compare-right") (i32.const 1))