247 getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,
319                           size_t FileSize,  in shouldUseMmap()  argument
343   if (FileSize == size_t(-1)) {  in shouldUseMmap()
347     FileSize = Status.getSize();  in shouldUseMmap()
353   assert(End <= FileSize);  in shouldUseMmap()
354   if (End != FileSize)  in shouldUseMmap()
359   if ((FileSize & (PageSize -1)) == 0)  in shouldUseMmap()
366   if ((FileSize & (4096 - 1)) == 0)  in shouldUseMmap()
374 getReadWriteFile(const Twine &Filename, uint64_t FileSize, uint64_t MapSize,  in getReadWriteFile()  argument
386     if (FileSize == uint64_t(-1)) {  in getReadWriteFile()
399       FileSize = Status.getSize();  in getReadWriteFile()
401     MapSize = FileSize;  in getReadWriteFile()
415 WriteThroughMemoryBuffer::getFile(const Twine &Filename, int64_t FileSize) {  in getFile()  argument
416   return getReadWriteFile(Filename, FileSize, FileSize, 0);  in getFile()
428 getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,  in getOpenFileImpl()  argument
437     if (FileSize == uint64_t(-1)) {  in getOpenFileImpl()
451       FileSize = Status.getSize();  in getOpenFileImpl()
453     MapSize = FileSize;  in getOpenFileImpl()
456   if (shouldUseMmap(FD, FileSize, MapSize, Offset, RequiresNullTerminator,  in getOpenFileImpl()
498 MemoryBuffer::getOpenFile(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,  in getOpenFile()  argument
500   return getOpenFileImpl<MemoryBuffer>(FD, Filename, FileSize, FileSize, 0,  in getOpenFile()