llvm/llvm/lib/DebugInfo/PDB/Native/Hash.cpp

//===- Hash.cpp - PDB Hash Functions --------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "llvm/DebugInfo/PDB/Native/Hash.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Support/CRC.h"
#include "llvm/Support/Endian.h"
#include <cstdint>

usingnamespacellvm;
usingnamespacellvm::support;

// Corresponds to `Hasher::lhashPbCb` in PDB/include/misc.h.
// Used for name hash table and TPI/IPI hashes.
uint32_t pdb::hashStringV1(StringRef Str) { … }

// Corresponds to `HasherV2::HashULONG` in PDB/include/misc.h.
// Used for name hash table.
uint32_t pdb::hashStringV2(StringRef Str) { … }

// Corresponds to `SigForPbCb` in langapi/shared/crc32.h.
uint32_t pdb::hashBufferV8(ArrayRef<uint8_t> Buf) { … }