1 files changed, 25 insertions, 0 deletions
diff --git a/include/llvm/Support/CRC.h b/include/llvm/Support/CRC.h
new file mode 100644
index 000000000000..6ea8e3edcea4
--- /dev/null
+++ b/include/llvm/Support/CRC.h
@@ -0,0 +1,25 @@
+//===-- llvm/Support/CRC.h - Cyclic Redundancy Check-------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains basic functions for calculating Cyclic Redundancy Check
+// or CRC.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_CRC_H
+#define LLVM_SUPPORT_CRC_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+/// zlib independent CRC32 calculation.
+uint32_t crc32(uint32_t CRC, StringRef S);
+} // end namespace llvm
+
+#endif