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 | |
20 | namespace llvm { |
21 | |
22 | template <typename T> class ArrayRef; |
23 | class Module; |
24 | class TargetMachine; |
25 | class 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. |
35 | void 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 | |