lld/MachO/LTO.h

   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