LLVM 17.0.0git
EndianStream.h
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1//===- EndianStream.h - Stream ops with endian specific data ----*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines utilities for operating on streams that have endian
10// specific data.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_SUPPORT_ENDIANSTREAM_H
15#define LLVM_SUPPORT_ENDIANSTREAM_H
16
17#include "llvm/ADT/ArrayRef.h"
18#include "llvm/Support/Endian.h"
21
22namespace llvm {
23namespace support {
24
25namespace endian {
26
27template <typename value_type>
28inline void write(raw_ostream &os, value_type value, endianness endian) {
29 value = byte_swap<value_type>(value, endian);
30 os.write((const char *)&value, sizeof(value_type));
31}
32
33template <>
36}
37
38template <>
39inline void write<double>(raw_ostream &os, double value,
42}
43
44template <typename value_type>
47 for (value_type v : vals)
48 write(os, v, endian);
49}
50
51/// Adapter to write values to a stream in a particular byte order.
52struct Writer {
56 template <typename value_type> void write(ArrayRef<value_type> Val) {
57 endian::write(OS, Val, Endian);
58 }
59 template <typename value_type> void write(value_type Val) {
60 endian::write(OS, Val, Endian);
61 }
62};
63
64} // end namespace endian
65
66} // end namespace support
67} // end namespace llvm
68
69#endif
Given that RA is a live value
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: ArrayRef.h:41
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:52
raw_ostream & write(unsigned char C)
void write< float >(raw_ostream &os, float value, endianness endian)
Definition: EndianStream.h:34
void write< double >(raw_ostream &os, double value, endianness endian)
Definition: EndianStream.h:39
void write(void *memory, value_type value, endianness endian)
Write a value to memory with a particular endianness.
Definition: Endian.h:97
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
uint64_t DoubleToBits(double Double)
This function takes a double and returns the bit equivalent 64-bit integer.
Definition: MathExtras.h:411
uint32_t FloatToBits(float Float)
This function takes a float and returns the bit equivalent 32-bit integer.
Definition: MathExtras.h:419
Adapter to write values to a stream in a particular byte order.
Definition: EndianStream.h:52
void write(ArrayRef< value_type > Val)
Definition: EndianStream.h:56
void write(value_type Val)
Definition: EndianStream.h:59
Writer(raw_ostream &OS, endianness Endian)
Definition: EndianStream.h:55