1//===-- llvm/CodeGen/ParallelCG.h - Parallel code generation ----*- 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 header declares functions that can be used for parallel code generation.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CODEGEN_PARALLELCG_H
14#define LLVM_CODEGEN_PARALLELCG_H
15
16#include "llvm/Support/CodeGen.h"
17#include <functional>
18#include <memory>
19
20namespace llvm {
21
22template <typename T> class ArrayRef;
23class Module;
24class TargetMachine;
25class raw_pwrite_stream;
26
27/// Split M into OSs.size() partitions, and generate code for each. Takes a
28/// factory function for the TargetMachine TMFactory. Writes OSs.size() output
29/// files to the output streams in OSs. The resulting output files if linked
30/// together are intended to be equivalent to the single output file that would
31/// have been code generated from M.
32///
33/// Writes bitcode for individual partitions into output streams in BCOSs, if
34/// BCOSs is not empty.
35void splitCodeGen(
36 Module &M, ArrayRef<raw_pwrite_stream *> OSs,
37 ArrayRef<llvm::raw_pwrite_stream *> BCOSs,
38 const std::function<std::unique_ptr<TargetMachine>()> &TMFactory,
39 CodeGenFileType FileType = CodeGenFileType::ObjectFile,
40 bool PreserveLocals = false);
41
42} // namespace llvm
43
44#endif
45

source code of llvm/include/llvm/CodeGen/ParallelCG.h