224   MemoryBufferMMapFile(bool RequiresNullTerminator, sys::fs::file_t FD, uint64_t Len,  in MemoryBufferMMapFile()  argument
226       : MFR(FD, Mapmode<MB>, getLegalMapSize(Len, Offset),  in MemoryBufferMMapFile()
253 getMemoryBufferForStream(sys::fs::file_t FD, const Twine &BufferName) {  in getMemoryBufferForStream()  argument
255   if (Error E = sys::fs::readNativeFileToEOF(FD, Buffer))  in getMemoryBufferForStream()
271 getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,
284   sys::fs::file_t FD = *FDOrErr;  in getFileAux()  local
285   auto Ret = getOpenFileImpl<MB>(FD, Filename, /*FileSize=*/-1, MapSize, Offset,  in getFileAux()
287   sys::fs::closeFile(FD);  in getFileAux()
358 static bool shouldUseMmap(sys::fs::file_t FD,  in shouldUseMmap()  argument
385     if (sys::fs::status(FD, Status))  in shouldUseMmap()
420   sys::fs::file_t FD = *FDOrErr;  in getReadWriteFile()  local
428       std::error_code EC = sys::fs::status(FD, Status);  in getReadWriteFile()
447           MemoryBufferMMapFile<WriteThroughMemoryBuffer>(false, FD, MapSize,  in getReadWriteFile()
468 getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,  in getOpenFileImpl()  argument
479       std::error_code EC = sys::fs::status(FD, Status);  in getOpenFileImpl()
489         return getMemoryBufferForStream(FD, Filename);  in getOpenFileImpl()
496   if (shouldUseMmap(FD, FileSize, MapSize, Offset, RequiresNullTerminator,  in getOpenFileImpl()
501             RequiresNullTerminator, FD, MapSize, Offset, EC));  in getOpenFileImpl()
508   if (auto EC = llvm::enableAutoConversion(FD))  in getOpenFileImpl()
524         sys::fs::readNativeFileSlice(FD, ToRead, Offset);  in getOpenFileImpl()
539 MemoryBuffer::getOpenFile(sys::fs::file_t FD, const Twine &Filename,  in getOpenFile()  argument
542   return getOpenFileImpl<MemoryBuffer>(FD, Filename, FileSize, FileSize, 0,  in getOpenFile()
548     sys::fs::file_t FD, const Twine &Filename, uint64_t MapSize, int64_t Offset,  in getOpenFileSlice()  argument
551   return getOpenFileImpl<MemoryBuffer>(FD, Filename, -1, MapSize, Offset, false,  in getOpenFileSlice()
571   sys::fs::file_t FD = *FDOrErr;  in getFileAsStream()  local
573       getMemoryBufferForStream(FD, Filename);  in getFileAsStream()
574   sys::fs::closeFile(FD);  in getFileAsStream()