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diff --git a/libcxx/modules/std/compare.cppm b/libcxx/modules/std/compare.cppm
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+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+module;
+#include <compare>
+
+export module std:compare;
+export namespace std {
+
+  // [cmp.categories], comparison category types
+  using std::partial_ordering;
+  using std::strong_ordering;
+  using std::weak_ordering;
+
+  // named comparison functions
+  using std::is_eq;
+  using std::is_gt;
+  using std::is_gteq;
+  using std::is_lt;
+  using std::is_lteq;
+  using std::is_neq;
+
+  // [cmp.common], common comparison category type
+  using std::common_comparison_category;
+  using std::common_comparison_category_t;
+
+  // [cmp.concept], concept three_way_comparable
+  using std::three_way_comparable;
+  using std::three_way_comparable_with;
+
+  // [cmp.result], result of three-way comparison
+  using std::compare_three_way_result;
+
+  using std::compare_three_way_result_t;
+
+  // [comparisons.three.way], class compare_three_way
+  using std::compare_three_way;
+
+  // [cmp.alg], comparison algorithms
+  inline namespace __cpo {
+    using std::__cpo::compare_partial_order_fallback;
+    using std::__cpo::compare_strong_order_fallback;
+    using std::__cpo::compare_weak_order_fallback;
+    using std::__cpo::partial_order;
+    using std::__cpo::strong_order;
+    using std::__cpo::weak_order;
+  } // namespace __cpo
+
+} // namespace std