1 //===- LTO.h ----------------------------------------------------*- C++ -*-===// 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 #ifndef LLD_MACHO_LTO_H 10 #define LLD_MACHO_LTO_H 11 12 #include "lld/Common/LLVM.h" 13 #include "llvm/ADT/DenseSet.h" 14 #include "llvm/ADT/SmallString.h" 15 #include "llvm/Support/MemoryBuffer.h" 16 #include "llvm/Support/raw_ostream.h" 17 #include <memory> 18 #include <vector> 19 20 namespace llvm::lto { 21 class LTO; 22 } // namespace llvm::lto 23 24 namespace lld::macho { 25 26 class BitcodeFile; 27 class ObjFile; 28 29 class BitcodeCompiler { 30 public: 31 BitcodeCompiler(); 32 33 void add(BitcodeFile &f); 34 std::vector<ObjFile *> compile(); 35 36 private: 37 std::unique_ptr<llvm::lto::LTO> ltoObj; 38 std::vector<llvm::SmallString<0>> buf; 39 std::vector<std::unique_ptr<llvm::MemoryBuffer>> files; 40 std::unique_ptr<llvm::raw_fd_ostream> indexFile; 41 llvm::DenseSet<StringRef> thinIndices; 42 bool hasFiles = false; 43 }; 44 45 } // namespace lld::macho 46 47 #endif 48