331     HeaderSearch &HS,  in LookupFile()  argument
358     return HS.getFileAndSuggestModule(TmpDir, IncludeLoc, getDir(),  in LookupFile()
364     return DoFrameworkLookup(Filename, HS, SearchPath, RelativePath,  in LookupFile()
385     Result = HM->LookupFile(Filename, HS.getFileMgr());  in LookupFile()
387     Result = HS.getFileMgr().getFile(Dest);  in LookupFile()
463     StringRef Filename, HeaderSearch &HS, SmallVectorImpl<char> *SearchPath,  in DoFrameworkLookup()  argument
467   FileManager &FileMgr = HS.getFileMgr();  in DoFrameworkLookup()
476     HS.LookupFrameworkCache(Filename.substr(0, SlashPos));  in DoFrameworkLookup()
499     HS.IncrementFrameworkLookupCount();  in DoFrameworkLookup()
580       if (!HS.findUsableModuleForFrameworkHeader(  in DoFrameworkLookup()
584       if (!HS.findUsableModuleForHeader(FE, getDir(), RequestingModule,  in DoFrameworkLookup()
1340 static bool suggestModule(HeaderSearch &HS, const FileEntry *File,  in suggestModule()  argument
1344       HS.findModuleForHeader(File, /*AllowTextual*/true);  in suggestModule()
1353     HS.getModuleMap().resolveUses(RequestingModule, /*Complain*/false);  in suggestModule()