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1//===- Bitcode/Writer/DXILBitcodeWriter.cpp - DXIL Bitcode Writer ---------===//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-exception6//7//===----------------------------------------------------------------------===//8//9// Bitcode writer implementation.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_DXILWRITER_DXILBITCODEWRITER_H14#define LLVM_DXILWRITER_DXILBITCODEWRITER_H15 16#include "llvm/ADT/StringRef.h"17#include "llvm/IR/ModuleSummaryIndex.h"18#include "llvm/MC/StringTableBuilder.h"19#include "llvm/Support/Allocator.h"20#include "llvm/Support/MemoryBufferRef.h"21#include <memory>22#include <vector>23 24namespace llvm {25 26class BitstreamWriter;27class Module;28class raw_ostream;29 30namespace dxil {31 32class BitcodeWriter {33 SmallVectorImpl<char> &Buffer;34 std::unique_ptr<BitstreamWriter> Stream;35 36 StringTableBuilder StrtabBuilder{StringTableBuilder::RAW};37 38 // Owns any strings created by the irsymtab writer until we create the39 // string table.40 BumpPtrAllocator Alloc;41 42 void writeBlob(unsigned Block, unsigned Record, StringRef Blob);43 44 std::vector<Module *> Mods;45 46public:47 /// Create a BitcodeWriter that writes to Buffer.48 BitcodeWriter(SmallVectorImpl<char> &Buffer);49 50 ~BitcodeWriter();51 52 /// Write the specified module to the buffer specified at construction time.53 void writeModule(const Module &M);54};55 56/// Write the specified module to the specified raw output stream.57///58/// For streams where it matters, the given stream should be in "binary"59/// mode.60void WriteDXILToFile(const Module &M, raw_ostream &Out);61 62} // namespace dxil63 64} // namespace llvm65 66#endif // LLVM_DXILWRITER_DXILBITCODEWRITER_H67