1 files changed, 40 insertions, 0 deletions
diff --git a/libcxx/modules/std/bit.cppm b/libcxx/modules/std/bit.cppm
new file mode 100644
index 000000000000..7e2260274abb
--- /dev/null
+++ b/libcxx/modules/std/bit.cppm
@@ -0,0 +1,40 @@
+// -*- 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 <bit>
+
+export module std:bit;
+export namespace std {
+  // [bit.cast], bit_cast
+  using std::bit_cast;
+
+  // [bit.byteswap], byteswap
+  using std::byteswap;
+
+  // [bit.pow.two], integral powers of 2
+  using std::bit_ceil;
+  using std::bit_floor;
+  using std::bit_width;
+  using std::has_single_bit;
+
+  // [bit.rotate], rotating
+  using std::rotl;
+  using std::rotr;
+
+  // [bit.count], counting
+  using std::countl_one;
+  using std::countl_zero;
+  using std::countr_one;
+  using std::countr_zero;
+  using std::popcount;
+
+  // [bit.endian], endian
+  using std::endian;
+} // namespace std