534 Expected<unsigned> MCDwarfLineTable::tryGetFile(StringRef &Directory,  in tryGetFile()  argument
539   return Header.tryGetFile(Directory, FileName, Checksum, Source, FileNumber);  in tryGetFile()
543 MCDwarfLineTableHeader::tryGetFile(StringRef &Directory,  in tryGetFile()  argument
548   if (Directory == CompilationDir)  in tryGetFile()
549     Directory = "";  in tryGetFile()
552     Directory = "";  in tryGetFile()
567         std::make_pair((Directory + Twine('\0') + FileName).toStringRef(Buffer),  in tryGetFile()
589   if (Directory.empty()) {  in tryGetFile()
593       Directory = sys::path::parent_path(FileName);  in tryGetFile()
594       if (!Directory.empty())  in tryGetFile()
602   if (Directory.empty()) {  in tryGetFile()
608       if (Directory == MCDwarfDirs[DirIndex])  in tryGetFile()
612       MCDwarfDirs.push_back(Directory);  in tryGetFile()