// First parse this and then emit a *.sib. Then read in the *.sib, then recreate
// RUN: %empty-directory(%t)
// RUN: %target-sil-opt -sil-print-types %s -emit-sib -o %t/tmp.sib -module-name borrow
// RUN: %target-sil-opt -sil-print-types %t/tmp.sib -o %t/tmp.2.sib -module-name borrow
// RUN: %target-sil-opt -sil-print-types %t/tmp.2.sib -module-name borrow | %FileCheck %s

sil_stage canonical

import Builtin

// CHECK-LABEL: sil [serialized] [ossa] @borrow_argument_test : $@convention(thin) (@guaranteed Builtin.NativeObject) -> () {
// CHECK: bb1([[PHIBBARG:%.*]] : @reborrow $Builtin.NativeObject):
// CHECK:   [[BF:%.*]] = borrowed [[PHIBBARG]] : $Builtin.NativeObject from (%0 : $Builtin.NativeObject)
// CHECK:   end_borrow [[BF]] : $Builtin.NativeObject
sil [serialized] [ossa] @borrow_argument_test : $@convention(thin) (@guaranteed Builtin.NativeObject) -> () {
bb0(%0 : @guaranteed $Builtin.NativeObject):
  %0a = begin_borrow %0 : $Builtin.NativeObject
  br bb1(%0a : $Builtin.NativeObject)

bb1(%1 : @guaranteed $Builtin.NativeObject):
  %1f = borrowed %1 : $Builtin.NativeObject from (%0 : $Builtin.NativeObject)
  end_borrow %1f : $Builtin.NativeObject
  %4 = tuple()
  return %4 : $()
}