File: earlycodemotion_moveonly.sil

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// RUN: %target-sil-opt -enable-sil-verify-all %s -early-codemotion -retain-sinking -enable-experimental-feature MoveOnlyEnumDeinits | %FileCheck %s

sil_stage canonical

import Builtin
import Swift

struct FileDescriptor: ~Copyable {
  var fd: Builtin.Int64

  init(fd: Builtin.Int64)
  deinit
}

enum MaybeFileDescriptor: ~Copyable {
  case some(FileDescriptor)
  case nothing

  consuming func discard() { discard self }

  deinit
}


// Test that a release_value is not replaced for a enum-with-deinit.
// Doing so would forget the deinit.
//
// CHECK-LABEL: sil hidden [noinline] @testEnumDeinit : $@convention(thin) () -> () {
// CHECK:   release_value %{{.*}} : $MaybeFileDescriptor
// CHECK-LABEL: } // end sil function 'testEnumDeinit'
sil hidden [noinline] @testEnumDeinit : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Int64, 0
  %26 = struct $FileDescriptor (%0 : $Builtin.Int64)
  %38 = enum $MaybeFileDescriptor, #MaybeFileDescriptor.some!enumelt, %26 : $FileDescriptor
  release_value %38 : $MaybeFileDescriptor
  %42 = tuple ()
  return %42 : $()
}