/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/include/llvm/Transforms/IPO/ThinLTOBitcodeWriter.h
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1 | | //===- ThinLTOBitcodeWriter.h - Bitcode writing pass for ThinLTO ----------===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This pass prepares a module containing type metadata for ThinLTO by splitting |
11 | | // it into regular and thin LTO parts if possible, and writing both parts to |
12 | | // a multi-module bitcode file. Modules that do not contain type metadata are |
13 | | // written unmodified as a single module. |
14 | | // |
15 | | //===----------------------------------------------------------------------===// |
16 | | |
17 | | #ifndef LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H |
18 | | #define LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H |
19 | | |
20 | | #include <llvm/IR/PassManager.h> |
21 | | #include <llvm/Support/raw_ostream.h> |
22 | | |
23 | | namespace llvm { |
24 | | |
25 | | class ThinLTOBitcodeWriterPass |
26 | | : public PassInfoMixin<ThinLTOBitcodeWriterPass> { |
27 | | raw_ostream &OS; |
28 | | raw_ostream *ThinLinkOS; |
29 | | |
30 | | public: |
31 | | // Writes bitcode to OS. Also write thin link file to ThinLinkOS, if |
32 | | // it's not nullptr. |
33 | | ThinLTOBitcodeWriterPass(raw_ostream &OS, raw_ostream *ThinLinkOS) |
34 | 9 | : OS(OS), ThinLinkOS(ThinLinkOS) {} |
35 | | |
36 | | PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
37 | | }; |
38 | | |
39 | | } // namespace llvm |
40 | | |
41 | | #endif |