421   StringRef DirName = SourceMgr.getFileManager().getCanonicalName(Dir);  in findHeaderInUmbrellaDirs()  local
433     DirName = llvm::sys::path::parent_path(DirName);  in findHeaderInUmbrellaDirs()
434     if (DirName.empty())  in findHeaderInUmbrellaDirs()
438     if (auto DirEntry = SourceMgr.getFileManager().getDirectory(DirName))  in findHeaderInUmbrellaDirs()
724   StringRef DirName = Dir->getName();  in isHeaderUnavailableInModule()  local
777     DirName = llvm::sys::path::parent_path(DirName);  in isHeaderUnavailableInModule()
778     if (DirName.empty())  in isHeaderUnavailableInModule()
782     if (auto DirEntry = SourceMgr.getFileManager().getDirectory(DirName))  in isHeaderUnavailableInModule()
2416   std::string DirName = std::string(Tok.getString());  in parseUmbrellaDirDecl()  local
2417   std::string DirNameAsWritten = DirName;  in parseUmbrellaDirDecl()
2430   if (llvm::sys::path::is_absolute(DirName)) {  in parseUmbrellaDirDecl()
2431     if (auto D = SourceMgr.getFileManager().getDirectory(DirName))  in parseUmbrellaDirDecl()
2436     llvm::sys::path::append(PathName, DirName);  in parseUmbrellaDirDecl()
2443       << DirName;  in parseUmbrellaDirDecl()
2480   Map.setUmbrellaDir(ActiveModule, Dir, DirNameAsWritten, DirName);  in parseUmbrellaDirDecl()