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;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; RUN: foreach %s %t wasm-opt -all --gufa -S -o - | filecheck %s --check-prefix OPEND
;; RUN: foreach %s %t wasm-opt -all --gufa --closed-world -S -o - | filecheck %s --check-prefix CLOSE
;; Compare behavior on closed and open world. In open world we must assume that
;; funcrefs, for example, can be called from outside.
(module
;; OPEND: (type $0 (func (param funcref)))
;; OPEND: (type $1 (func))
;; OPEND: (type $2 (func (param i32)))
;; OPEND: (import "outside" "call-ref-catch" (func $external-caller (type $0) (param funcref)))
;; CLOSE: (type $0 (func (param funcref)))
;; CLOSE: (type $1 (func))
;; CLOSE: (type $2 (func (param i32)))
;; CLOSE: (import "outside" "call-ref-catch" (func $external-caller (type $0) (param funcref)))
(import "outside" "call-ref-catch" (func $external-caller (param funcref)))
;; OPEND: (elem declare func $func)
;; OPEND: (export "call-import" (func $call-import))
;; OPEND: (func $call-import (type $1)
;; OPEND-NEXT: (call $external-caller
;; OPEND-NEXT: (ref.func $func)
;; OPEND-NEXT: )
;; OPEND-NEXT: )
;; CLOSE: (elem declare func $func)
;; CLOSE: (export "call-import" (func $call-import))
;; CLOSE: (func $call-import (type $1)
;; CLOSE-NEXT: (call $external-caller
;; CLOSE-NEXT: (ref.func $func)
;; CLOSE-NEXT: )
;; CLOSE-NEXT: )
(func $call-import (export "call-import")
;; Send a reference to $func to the outside, which may call it.
(call $external-caller
(ref.func $func)
)
)
;; OPEND: (func $func (type $2) (param $0 i32)
;; OPEND-NEXT: (drop
;; OPEND-NEXT: (local.get $0)
;; OPEND-NEXT: )
;; OPEND-NEXT: )
;; CLOSE: (func $func (type $2) (param $0 i32)
;; CLOSE-NEXT: (drop
;; CLOSE-NEXT: (unreachable)
;; CLOSE-NEXT: )
;; CLOSE-NEXT: )
(func $func (param $0 i32)
;; This is called from the outside, so this is not dead code, and nothing
;; should change here in open world. In closed world, this can become an
;; unreachable, since nothing can call it.
(drop
(local.get $0)
)
)
)
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