File: opaque_values_parse_objc.sil

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// RUN: %target-sil-opt -enable-sil-opaque-values -enable-sil-verify-all -emit-sorted-sil %s | %FileCheck %s

// REQUIRES: objc_interop

import Builtin
import Swift

struct UnownedBox<T : AnyObject> {
  unowned var value: T
}

// CHECK-LABEL: sil [ossa] @test_unowned_copy_value : {{.*}} {
// CHECK:       bb0([[VALUE:%[^,]+]] :
// CHECK:         unowned_copy_value [[VALUE]]
// CHECK-LABEL: } // end sil function 'test_unowned_copy_value'
sil [ossa] @test_unowned_copy_value : $@convention(thin) <T where T : AnyObject> (@owned T) -> @out UnownedBox<T> {
bb0(%owned_value : @owned $T):
  %unowned_value = unowned_copy_value %owned_value : $T
  destroy_value %owned_value : $T
  %instance = struct $UnownedBox<T> (%unowned_value : $@sil_unowned T)
  return %instance : $UnownedBox<T>
}