File: sil_combine_objc_bridge_ossa.sil

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// RUN: %target-sil-opt -enable-sil-verify-all %s -sil-combine | %FileCheck %s

// REQUIRES: objc_interop

// TODO: Update optimizer for id-as-Any changes.

sil_stage canonical

import Builtin
import Swift
import Foundation

// CHECK-LABEL: sil shared [ossa] @bridge_from_swift_array_to_NSObject_cast
// CHECK: function_ref @$sSa10FoundationE19_bridgeToObjectiveC{{[_0-9a-zA-Z]*}}F
// CHECK-NOT: copy_value
// CHECK: apply
// CHECK: destroy_value
// CHECK: upcast %{{.*}} : $NSArray to $NSObject
// CHECK: store
// CHECK: return
sil shared [ossa] @bridge_from_swift_array_to_NSObject_cast: $@convention(thin) (@in Array<String>) -> @out NSObject {
bb0(%0 : $*NSObject, %1 : $*Array<String>):
  %2 = alloc_stack $Array<String>
  copy_addr %1 to [init] %2 : $*Array<String>
  unconditional_checked_cast_addr Array<String> in %2 : $*Array<String> to NSObject in %0 : $*NSObject
  dealloc_stack %2 : $*Array<String>
  destroy_addr %1 : $*Array<String>
  %7 = tuple ()
  return %7 : $()
}

enum AddressOnlyError : Error {
  case data(Data)
  case none
}

// Test that we emit a copy_addr for the address-only value initialization.

// CHECK-LABEL: sil [ossa] @unconditional_checked_cast_addr_address_only_type
// CHECK: alloc_stack $any Error
// CHECK: alloc_stack $AddressOnlyError
// CHECK:  copy_addr
// CHECK: alloc_existential_box
// CHECK: project_existential_box
// CHECK: copy_addr
// CHECK: store
sil [ossa] @unconditional_checked_cast_addr_address_only_type: $@convention(thin) (@in_guaranteed AddressOnlyError) -> @owned Error {
bb0(%0 : $*AddressOnlyError):
  %1 = alloc_stack $Error
  %2 = alloc_stack $AddressOnlyError
  copy_addr %0 to [init] %2 : $*AddressOnlyError
  unconditional_checked_cast_addr AddressOnlyError in %2 : $*AddressOnlyError to Error in %1 : $*Error
  dealloc_stack %2 : $*AddressOnlyError
  %8 = tuple ()
  %9 = load [take] %1 : $*Error
  dealloc_stack %1 : $*Error
  return %9 : $Error
}