/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/Transforms/IPO/ThinLTOBitcodeWriter.h
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1 | | //===- ThinLTOBitcodeWriter.h - Bitcode writing pass for ThinLTO ----------===// |
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 pass prepares a module containing type metadata for ThinLTO by splitting |
10 | | // it into regular and thin LTO parts if possible, and writing both parts to |
11 | | // a multi-module bitcode file. Modules that do not contain type metadata are |
12 | | // written unmodified as a single module. |
13 | | // |
14 | | //===----------------------------------------------------------------------===// |
15 | | |
16 | | #ifndef LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H |
17 | | #define LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H |
18 | | |
19 | | #include <llvm/IR/PassManager.h> |
20 | | #include <llvm/Support/raw_ostream.h> |
21 | | |
22 | | namespace llvm { |
23 | | |
24 | | class ThinLTOBitcodeWriterPass |
25 | | : public PassInfoMixin<ThinLTOBitcodeWriterPass> { |
26 | | raw_ostream &OS; |
27 | | raw_ostream *ThinLinkOS; |
28 | | |
29 | | public: |
30 | | // Writes bitcode to OS. Also write thin link file to ThinLinkOS, if |
31 | | // it's not nullptr. |
32 | | ThinLTOBitcodeWriterPass(raw_ostream &OS, raw_ostream *ThinLinkOS) |
33 | 12 | : OS(OS), ThinLinkOS(ThinLinkOS) {} |
34 | | |
35 | | PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
36 | | }; |
37 | | |
38 | | } // namespace llvm |
39 | | |
40 | | #endif |