File: globalopt-iter.sil

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

// REQUIRES: swift_in_compiler


import Builtin
import Swift
class B { }
class E : B { }

// CHECK: sil @patatino : $@convention(thin) () -> () {
// CHECK: bb0:
// CHECK-NEXT:   integer_literal
// CHECK-NEXT:   global_value @patatinoTv_ : $B
// CHECK-NEXT:   strong_retain
// CHECK-NEXT:   strong_release
// CHECK-NEXT:   tuple ()
// CHECK-NEXT:   return
// CHECK-NEXT: }

sil @patatino : $@convention(thin) () -> () {
  %0 = integer_literal $Builtin.Word, 0
  %1 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $B
  %2 = end_cow_mutation %1 : $B
  %3 = begin_dealloc_ref %2 : $B of %1 : $B
  dealloc_ref %3 : $B
  %45 = tuple ()
  return %45 : $()
}