216   MemoryBufferMMapFile(bool RequiresNullTerminator, sys::fs::file_t FD, uint64_t Len,  in MemoryBufferMMapFile()  argument
218       : MFR(FD, Mapmode<MB>, getLegalMapSize(Len, Offset),  in MemoryBufferMMapFile()
245 getMemoryBufferForStream(sys::fs::file_t FD, const Twine &BufferName) {  in getMemoryBufferForStream()  argument
247   if (Error E = sys::fs::readNativeFileToEOF(FD, Buffer))  in getMemoryBufferForStream()
263 getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,
276   sys::fs::file_t FD = *FDOrErr;  in getFileAux()  local
277   auto Ret = getOpenFileImpl<MB>(FD, Filename, /*FileSize=*/-1, MapSize, Offset,  in getFileAux()
279   sys::fs::closeFile(FD);  in getFileAux()
343 static bool shouldUseMmap(sys::fs::file_t FD,  in shouldUseMmap()  argument
370     if (sys::fs::status(FD, Status))  in shouldUseMmap()
405   sys::fs::file_t FD = *FDOrErr;  in getReadWriteFile()  local
413       std::error_code EC = sys::fs::status(FD, Status);  in getReadWriteFile()
432           MemoryBufferMMapFile<WriteThroughMemoryBuffer>(false, FD, MapSize,  in getReadWriteFile()
453 getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,  in getOpenFileImpl()  argument
464       std::error_code EC = sys::fs::status(FD, Status);  in getOpenFileImpl()
474         return getMemoryBufferForStream(FD, Filename);  in getOpenFileImpl()
481   if (shouldUseMmap(FD, FileSize, MapSize, Offset, RequiresNullTerminator,  in getOpenFileImpl()
486             RequiresNullTerminator, FD, MapSize, Offset, EC));  in getOpenFileImpl()
493   if (auto EC = llvm::enableAutoConversion(FD))  in getOpenFileImpl()
509         sys::fs::readNativeFileSlice(FD, ToRead, Offset);  in getOpenFileImpl()
524 MemoryBuffer::getOpenFile(sys::fs::file_t FD, const Twine &Filename,  in getOpenFile()  argument
527   return getOpenFileImpl<MemoryBuffer>(FD, Filename, FileSize, FileSize, 0,  in getOpenFile()
533     sys::fs::file_t FD, const Twine &Filename, uint64_t MapSize, int64_t Offset,  in getOpenFileSlice()  argument
536   return getOpenFileImpl<MemoryBuffer>(FD, Filename, -1, MapSize, Offset, false,  in getOpenFileSlice()
556   sys::fs::file_t FD = *FDOrErr;  in getFileAsStream()  local
558       getMemoryBufferForStream(FD, Filename);  in getFileAsStream()
559   sys::fs::closeFile(FD);  in getFileAsStream()