// RUN: %target-swift-frontend %s -parse-stdlib -module-name Swift -emit-silgen | %FileCheck %s

enum Optional<T> {
  case none
  case some(T)
}

enum ImplicitlyUnwrappedOptional<T> {
  case none
  case some(T)
}

class SelfTest {}

sil_vtable SelfTest {}

sil @test_stuff : $@convention(method) (@owned SelfTest) -> () {
bb0(%0 : $SelfTest):
  // CHECK: metatype $@thick @dynamic_self SelfTest
  %2 = metatype $@thick @dynamic_self SelfTest.Type
  // CHECK: metatype $@thick Optional<@dynamic_self SelfTest>.Type
  %5 = metatype $@thick @dynamic_self SelfTest?.Type
  %7 = tuple ()
  return %7 : $()
}