diff options
| author | Stephen Hines <srhines@google.com> | 2019-07-02 16:25:20 -0700 |
|---|---|---|
| committer | Ali B <abittin@gmail.com> | 2019-07-05 19:33:16 +0300 |
| commit | 9afee4e65dc5f9f5eb371683729ff67b8df81d03 (patch) | |
| tree | 4cf241d6c9044f91ee8c06e6920174d06f8de0b6 /clang-r353983e/include/llvm/CodeGen/ParallelCG.h | |
| parent | 2f19bd722c4c825320d1511c1ed83161b7f95d51 (diff) | |
clang 9.0.5 (based on r353983e) from build 5696680.
Bug: http://b/135931688
Bug: http://b/136008926
Test: N/A
Change-Id: I922d17410047d2e2df4625615352c588ee71b203
Diffstat (limited to 'clang-r353983e/include/llvm/CodeGen/ParallelCG.h')
| -rw-r--r-- | clang-r353983e/include/llvm/CodeGen/ParallelCG.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/clang-r353983e/include/llvm/CodeGen/ParallelCG.h b/clang-r353983e/include/llvm/CodeGen/ParallelCG.h new file mode 100644 index 00000000..a44715d4 --- /dev/null +++ b/clang-r353983e/include/llvm/CodeGen/ParallelCG.h @@ -0,0 +1,47 @@ +//===-- 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, + TargetMachine::CodeGenFileType FileType = TargetMachine::CGFT_ObjectFile, + bool PreserveLocals = false); + +} // namespace llvm + +#endif |
