| //===- ThinLTOBitcodeWriter.h - Bitcode writing pass for ThinLTO ----------===// |
| // |
| // 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 pass prepares a module containing type metadata for ThinLTO by splitting |
| // it into regular and thin LTO parts if possible, and writing both parts to |
| // a multi-module bitcode file. Modules that do not contain type metadata are |
| // written unmodified as a single module. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H |
| #define LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H |
| |
| #include <llvm/IR/PassManager.h> |
| #include <llvm/Support/raw_ostream.h> |
| |
| namespace llvm { |
| |
| class ThinLTOBitcodeWriterPass |
| : public PassInfoMixin<ThinLTOBitcodeWriterPass> { |
| raw_ostream &OS; |
| raw_ostream *ThinLinkOS; |
| |
| public: |
| // Writes bitcode to OS. Also write thin link file to ThinLinkOS, if |
| // it's not nullptr. |
| ThinLTOBitcodeWriterPass(raw_ostream &OS, raw_ostream *ThinLinkOS) |
| : OS(OS), ThinLinkOS(ThinLinkOS) {} |
| |
| PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
| }; |
| |
| } // namespace llvm |
| |
| #endif |