File: unmanaged.sil

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// RUN: %target-sil-opt %s

import Swift
import Builtin

class C {}

sil [ossa] @test : $@convention(thin) <U where U : AnyObject> (@inout Optional<U>) -> () {
bb0(%0 : $*Optional<U>):
  %1 = load [copy] %0 : $*Optional<U>
  %2 = ref_to_unmanaged %1 : $Optional<U> to $@sil_unmanaged Optional<U>
  %3 = unmanaged_to_ref %2 : $@sil_unmanaged Optional<U> to $Optional<U>
  destroy_value %1 : $Optional<U>
  %9999 = tuple ()
  return %9999 : $()
}

sil [ossa] @retain_release : $@convention(thin) (@sil_unmanaged Optional<C>) -> () {
bb0(%0 : $@sil_unmanaged Optional<C>):
  %1 = unmanaged_to_ref %0 : $@sil_unmanaged Optional<C> to $Optional<C>
  unmanaged_retain_value %1 : $Optional<C>
  unmanaged_autorelease_value %1 : $Optional<C>
  unmanaged_release_value %1 : $Optional<C>
  %9999 = tuple()
  return %9999 : $()
}