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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- SwapByteOrder.h - Generic and optimized byte swaps -------*- 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 declares generic and optimized functions to swap the byte order of
// an integral type.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_SWAPBYTEORDER_H
#define LLVM_SUPPORT_SWAPBYTEORDER_H
#include "llvm/ADT/STLForwardCompat.h"
#include "llvm/ADT/bit.h"
#include <cstdint>
#include <type_traits>
namespace llvm {
namespace sys {
constexpr bool IsBigEndianHost =
llvm::endianness::native == llvm::endianness::big;
static const bool IsLittleEndianHost = !IsBigEndianHost;
inline unsigned char getSwappedBytes(unsigned char C) { return llvm::byteswap(C); }
inline signed char getSwappedBytes( signed char C) { return llvm::byteswap(C); }
inline char getSwappedBytes( char C) { return llvm::byteswap(C); }
inline unsigned short getSwappedBytes(unsigned short C) { return llvm::byteswap(C); }
inline signed short getSwappedBytes( signed short C) { return llvm::byteswap(C); }
inline unsigned int getSwappedBytes(unsigned int C) { return llvm::byteswap(C); }
inline signed int getSwappedBytes( signed int C) { return llvm::byteswap(C); }
inline unsigned long getSwappedBytes(unsigned long C) { return llvm::byteswap(C); }
inline signed long getSwappedBytes( signed long C) { return llvm::byteswap(C); }
inline unsigned long long getSwappedBytes(unsigned long long C) { return llvm::byteswap(C); }
inline signed long long getSwappedBytes( signed long long C) { return llvm::byteswap(C); }
inline float getSwappedBytes(float C) {
return llvm::bit_cast<float>(llvm::byteswap(llvm::bit_cast<uint32_t>(C)));
}
inline double getSwappedBytes(double C) {
return llvm::bit_cast<double>(llvm::byteswap(llvm::bit_cast<uint64_t>(C)));
}
template <typename T>
inline std::enable_if_t<std::is_enum_v<T>, T> getSwappedBytes(T C) {
return static_cast<T>(llvm::byteswap(llvm::to_underlying(C)));
}
template<typename T>
inline void swapByteOrder(T &Value) {
Value = getSwappedBytes(Value);
}
} // end namespace sys
} // end namespace llvm
#endif
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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