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;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; NOTE: This test was ported using port_passes_tests_to_lit.py and could be cleaned up.
;; RUN: foreach %s %t wasm-opt --simplify-globals -all -S -o - | filecheck %s
(module
;; CHECK: (type $A (func))
(type $A (func))
;; CHECK: (global $global$0 funcref (ref.func $func))
(global $global$0 (mut funcref) (ref.func $func))
;; CHECK: (elem declare func $func)
;; CHECK: (func $func (type $A)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (ref.cast (ref $A)
;; CHECK-NEXT: (ref.func $func)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $func
(drop
(ref.cast (ref null $A)
;; This global can be replaced with a ref.func of $func. That has a more
;; refined type, so we should refinalize (if we do not, then the ref.cast
;; will fail to validate as it must become a non-nullable cast).
(global.get $global$0)
)
)
)
)
(module
;; CHECK: (type $struct (struct))
(type $struct (struct ))
;; CHECK: (type $1 (func (result anyref)))
;; CHECK: (global $a (ref $struct) (struct.new_default $struct))
(global $a (ref $struct) (struct.new_default $struct))
;; CHECK: (global $b (ref $struct) (global.get $a))
(global $b (ref $struct) (global.get $a))
;; CHECK: (global $c (ref null $struct) (global.get $a))
(global $c (ref null $struct) (global.get $a))
;; CHECK: (func $get-c (type $1) (result anyref)
;; CHECK-NEXT: (global.get $c)
;; CHECK-NEXT: )
(func $get-c (result anyref)
;; $c has a less-refined type than the other two. We do not switch this to
;; get from either $a or $b because of that, but we could if we also
;; refinalized TODO
(global.get $c)
)
)
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