test/lit/basic/gc-atomics-shared.wast

;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.

;; RUN: wasm-opt -all %s -S -o - | filecheck %s

;; Check that we properly parse array.atomic.rmw.cmpxchg of a shared array,
;; when the instruction is unreachable (when the the expected field does not
;; have the correct sharedness).

(module
  ;; CHECK:      (type $array (shared (array (mut (ref null (shared eq))))))
  (type $array (shared (array (mut (ref null (shared eq))))))

  ;; CHECK:      (global $g (ref $array) (array.new_default $array
  ;; CHECK-NEXT:  (i32.const 0)
  ;; CHECK-NEXT: ))
  (global $g (ref $array) (array.new_default $array (i32.const 0)))

  ;; CHECK:      (func $test (type $1) (result (ref null (shared eq)))
  ;; CHECK-NEXT:  (drop
  ;; CHECK-NEXT:   (global.get $g)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (drop
  ;; CHECK-NEXT:   (i32.const 0)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (drop
  ;; CHECK-NEXT:   (ref.as_non_null
  ;; CHECK-NEXT:    (ref.null none)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (block ;; (replaces unreachable ArrayCmpxchg we can't emit)
  ;; CHECK-NEXT:   (drop
  ;; CHECK-NEXT:    (unreachable)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (drop
  ;; CHECK-NEXT:    (unreachable)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (drop
  ;; CHECK-NEXT:    (unreachable)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (drop
  ;; CHECK-NEXT:    (unreachable)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (unreachable)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT: )
  (func $test (result (ref null (shared eq)))
    (array.atomic.rmw.cmpxchg acqrel acqrel $array
      (global.get $g)
      (i32.const 0)
      (ref.as_non_null (ref.null none))
      (unreachable)
    )
  )
)