449   StringRef DirName = SourceMgr.getFileManager().getCanonicalName(*Dir);  in findHeaderInUmbrellaDirs()  local
461     DirName = llvm::sys::path::parent_path(DirName);  in findHeaderInUmbrellaDirs()
462     if (DirName.empty())  in findHeaderInUmbrellaDirs()
466     Dir = SourceMgr.getFileManager().getOptionalDirectoryRef(DirName);  in findHeaderInUmbrellaDirs()
763   StringRef DirName = Dir->getName();  in isHeaderUnavailableInModule()  local
815     DirName = llvm::sys::path::parent_path(DirName);  in isHeaderUnavailableInModule()
816     if (DirName.empty())  in isHeaderUnavailableInModule()
820     Dir = SourceMgr.getFileManager().getOptionalDirectoryRef(DirName);  in isHeaderUnavailableInModule()
2540   std::string DirName = std::string(Tok.getString());  in parseUmbrellaDirDecl()  local
2541   std::string DirNameAsWritten = DirName;  in parseUmbrellaDirDecl()
2554   if (llvm::sys::path::is_absolute(DirName)) {  in parseUmbrellaDirDecl()
2555     Dir = SourceMgr.getFileManager().getOptionalDirectoryRef(DirName);  in parseUmbrellaDirDecl()
2559     llvm::sys::path::append(PathName, DirName);  in parseUmbrellaDirDecl()
2565       << DirName;  in parseUmbrellaDirDecl()
2602   Map.setUmbrellaDirAsWritten(ActiveModule, *Dir, DirNameAsWritten, DirName);  in parseUmbrellaDirDecl()