| //===-- llvm/CodeGen/ParallelCG.h - Parallel code generation ----*- 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 header declares functions that can be used for parallel code generation. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_PARALLELCG_H |
| #define LLVM_CODEGEN_PARALLELCG_H |
| |
| #include "llvm/Support/CodeGen.h" |
| #include "llvm/Target/TargetMachine.h" |
| |
| #include <functional> |
| |
| namespace llvm { |
| |
| template <typename T> class ArrayRef; |
| class Module; |
| class TargetOptions; |
| class raw_pwrite_stream; |
| |
| /// Split M into OSs.size() partitions, and generate code for each. Takes a |
| /// factory function for the TargetMachine TMFactory. Writes OSs.size() output |
| /// files to the output streams in OSs. The resulting output files if linked |
| /// together are intended to be equivalent to the single output file that would |
| /// have been code generated from M. |
| /// |
| /// Writes bitcode for individual partitions into output streams in BCOSs, if |
| /// BCOSs is not empty. |
| /// |
| /// \returns M if OSs.size() == 1, otherwise returns std::unique_ptr<Module>(). |
| std::unique_ptr<Module> |
| splitCodeGen(std::unique_ptr<Module> M, ArrayRef<raw_pwrite_stream *> OSs, |
| ArrayRef<llvm::raw_pwrite_stream *> BCOSs, |
| const std::function<std::unique_ptr<TargetMachine>()> &TMFactory, |
| CodeGenFileType FileType = CGFT_ObjectFile, |
| bool PreserveLocals = false); |
| |
| } // namespace llvm |
| |
| #endif |