780   assert(FileMgr);  in getBufferForFile()
781   auto Buffer = FileMgr->getBufferForFile(Filename, UserFilesAreVolatile);  in getBufferForFile()
823   AST->FileMgr = new FileManager(FileSystemOpts, VFS);  in LoadFromASTFile()
1149   if (VFS && FileMgr)  in Parse()
1150     assert(VFS == &FileMgr->getVirtualFileSystem() &&  in Parse()
1182   if (VFS && FileMgr && &FileMgr->getVirtualFileSystem() == VFS)  in Parse()
1183     Clang->setFileManager(&*FileMgr);  in Parse()
1185     FileMgr = Clang->createFileManager(std::move(VFS));  in Parse()
1217   SourceMgr = new SourceManager(getDiagnostics(), *FileMgr,  in Parse()
1541   AST->FileMgr = new FileManager(AST->FileSystemOpts, VFS);  in create()
1543   AST->SourceMgr = new SourceManager(AST->getDiagnostics(), *AST->FileMgr,  in create()
1724     IntrusiveRefCntPtr<DiagnosticsEngine> Diags, FileManager *FileMgr,  in LoadFromCompilerInvocation()  argument
1740   AST->FileSystemOpts = FileMgr->getFileSystemOpts();  in LoadFromCompilerInvocation()
1741   AST->FileMgr = FileMgr;  in LoadFromCompilerInvocation()
1753                                       &AST->FileMgr->getVirtualFileSystem()))  in LoadFromCompilerInvocation()
1826   AST->FileMgr = new FileManager(AST->FileSystemOpts, VFS);  in LoadFromCommandLine()
1871     assert(FileMgr && "FileMgr is null on Reparse call");  in Reparse()
1872     VFS = &FileMgr->getVirtualFileSystem();  in Reparse()
1899   FileMgr.reset();  in Reparse()
2186     FileManager &FileMgr, SmallVectorImpl<StoredDiagnostic> &StoredDiagnostics,  in CodeComplete()  argument
2258   Clang->setFileManager(&FileMgr);  in CodeComplete()
2276       [&FileMgr](StringRef Filename) -> std::optional<llvm::sys::fs::UniqueID> {  in CodeComplete()
2277     if (auto Status = FileMgr.getVirtualFileSystem().status(Filename))  in CodeComplete()
2298         PCHContainerOps, Inv, &FileMgr.getVirtualFileSystem(), false, Line - 1);  in CodeComplete()
2308         &FileMgr.getVirtualFileSystem();  in CodeComplete()
2379                           FileManager &FileMgr,  in TranslateStoredDiagnostics()  argument
2394     auto FE = FileMgr.getFile(SD.Filename);  in TranslateStoredDiagnostics()