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Diffstat (limited to 'include/llvm/Support/JamCRC.h')
-rw-r--r-- | include/llvm/Support/JamCRC.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/include/llvm/Support/JamCRC.h b/include/llvm/Support/JamCRC.h deleted file mode 100644 index b6fc4e7b9b03..000000000000 --- a/include/llvm/Support/JamCRC.h +++ /dev/null @@ -1,48 +0,0 @@ -//===-- llvm/Support/JamCRC.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 an implementation of JamCRC. -// -// We will use the "Rocksoft^tm Model CRC Algorithm" to describe the properties -// of this CRC: -// Width : 32 -// Poly : 04C11DB7 -// Init : FFFFFFFF -// RefIn : True -// RefOut : True -// XorOut : 00000000 -// Check : 340BC6D9 (result of CRC for "123456789") -// -// N.B. We permit flexibility of the "Init" value. Some consumers of this need -// it to be zero. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_SUPPORT_JAMCRC_H -#define LLVM_SUPPORT_JAMCRC_H - -#include "llvm/Support/DataTypes.h" - -namespace llvm { -template <typename T> class ArrayRef; - -class JamCRC { -public: - JamCRC(uint32_t Init = 0xFFFFFFFFU) : CRC(Init) {} - - // Update the CRC calculation with Data. - void update(ArrayRef<char> Data); - - uint32_t getCRC() const { return CRC; } - -private: - uint32_t CRC; -}; -} // End of namespace llvm - -#endif |