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;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s --simplify-locals -all -S -o - | filecheck %s
;; Tests for validation of non-nullable locals. In this form a local.set allows
;; a local.get until the end of the current block.
(module
;; CHECK: (func $test-nn (type $0) (param $x (ref any))
;; CHECK-NEXT: (local $nn anyref)
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: (block $inner
;; CHECK-NEXT: (call $test-nn
;; CHECK-NEXT: (ref.as_non_null
;; CHECK-NEXT: (local.tee $nn
;; CHECK-NEXT: (ref.as_non_null
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (call $test-nn
;; CHECK-NEXT: (ref.as_non_null
;; CHECK-NEXT: (local.get $nn)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $test-nn (param $x (ref any))
(local $nn (ref any))
;; We can sink this set into the block, but we should then update things so
;; that we still validate, as then the final local.get is not structurally
;; dominated. (Note that we end up with several ref.as_non_nulls here, but
;; later passes could remove them.)
(local.set $nn
(ref.as_non_null
(ref.null any)
)
)
(block $inner
(call $test-nn
(local.get $nn)
)
)
(call $test-nn
(local.get $nn)
)
)
)
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