1749     Module *M, StringRef ModuleName, std::string &ModuleFilename,  in selectModuleSource()  argument
1752   assert(ModuleFilename.empty() && "Already has a module source?");  in selectModuleSource()
1758     ModuleFilename = BuiltModuleIt->second;  in selectModuleSource()
1766     ModuleFilename = HS.getPrebuiltModuleFileName(ModuleName);  in selectModuleSource()
1767     if (HSOpts.EnablePrebuiltImplicitModules && ModuleFilename.empty())  in selectModuleSource()
1768       ModuleFilename = HS.getPrebuiltImplicitModuleFileName(M);  in selectModuleSource()
1769     if (!ModuleFilename.empty())  in selectModuleSource()
1775     ModuleFilename = HS.getCachedModuleFileName(M);  in selectModuleSource()
1791   std::string ModuleFilename;  in findOrCompileModuleAndReadAST()  local
1793       selectModuleSource(M, ModuleName, ModuleFilename, BuiltModules, HS);  in findOrCompileModuleAndReadAST()
1800   if (ModuleFilename.empty()) {  in findOrCompileModuleAndReadAST()
1819     Timer.init("loading." + ModuleFilename, "Loading " + ModuleFilename,  in findOrCompileModuleAndReadAST()
1832   switch (getASTReader()->ReadAST(ModuleFilename,  in findOrCompileModuleAndReadAST()
1851       if (auto ModuleFile = FileMgr->getFile(ModuleFilename))  in findOrCompileModuleAndReadAST()
1871           << ModuleFilename;  in findOrCompileModuleAndReadAST()
1929                                ModuleFilename)) {  in findOrCompileModuleAndReadAST()