// RUN: %target-sil-opt %s | FileCheck %s

// CHECK: sil_scope 1 { loc "foo.sil":12:34 parent @foo : $@convention(thin) () -> () }
          sil_scope 1 { loc "foo.sil":12:34 parent @foo : $@convention(thin) () -> () }
// CHECK: sil_scope 2 { loc "foo.sil":12:34 parent 1 }
          sil_scope 2 { loc "foo.sil":12:34 parent 1 }

// foo
sil @foo : $@convention(thin) () -> () {
bb0:
  // CHECK: mark_function_escape undef : $*(), loc "undef.sil":3:4, scope 1
  mark_function_escape undef : $*(), loc "undef.sil":3:4, scope 1
  // CHECK: return undef : $(), loc {{.*}}, scope 2 // id: %1
  return undef : $(), scope 2 // id: %1
}