737   assert(FileMgr);  in getBufferForFile()
738   auto Buffer = FileMgr->getBufferForFile(Filename, UserFilesAreVolatile);  in getBufferForFile()
780   AST->FileMgr = new FileManager(FileSystemOpts, VFS);  in LoadFromASTFile()
1103   if (VFS && FileMgr)  in Parse()
1104     assert(VFS == &FileMgr->getVirtualFileSystem() &&  in Parse()
1135   if (VFS && FileMgr && &FileMgr->getVirtualFileSystem() == VFS)  in Parse()
1136     Clang->setFileManager(&*FileMgr);  in Parse()
1138     FileMgr = Clang->createFileManager(std::move(VFS));  in Parse()
1171   SourceMgr = new SourceManager(getDiagnostics(), *FileMgr,  in Parse()
1493   AST->FileMgr = new FileManager(AST->FileSystemOpts, VFS);  in create()
1495   AST->SourceMgr = new SourceManager(AST->getDiagnostics(), *AST->FileMgr,  in create()
1676     IntrusiveRefCntPtr<DiagnosticsEngine> Diags, FileManager *FileMgr,  in LoadFromCompilerInvocation()  argument
1692   AST->FileSystemOpts = FileMgr->getFileSystemOpts();  in LoadFromCompilerInvocation()
1693   AST->FileMgr = FileMgr;  in LoadFromCompilerInvocation()
1705                                       &AST->FileMgr->getVirtualFileSystem()))  in LoadFromCompilerInvocation()
1771   AST->FileMgr = new FileManager(AST->FileSystemOpts, VFS);  in LoadFromCommandLine()
1814     assert(FileMgr && "FileMgr is null on Reparse call");  in Reparse()
1815     VFS = &FileMgr->getVirtualFileSystem();  in Reparse()
1842   FileMgr.reset();  in Reparse()
2125     FileManager &FileMgr, SmallVectorImpl<StoredDiagnostic> &StoredDiagnostics,  in CodeComplete()  argument
2196   Clang->setFileManager(&FileMgr);  in CodeComplete()
2214       [&FileMgr](StringRef Filename) -> Optional<llvm::sys::fs::UniqueID> {  in CodeComplete()
2215     if (auto Status = FileMgr.getVirtualFileSystem().status(Filename))  in CodeComplete()
2236         PCHContainerOps, Inv, &FileMgr.getVirtualFileSystem(), false, Line - 1);  in CodeComplete()
2246         &FileMgr.getVirtualFileSystem();  in CodeComplete()
2330                           FileManager &FileMgr,  in TranslateStoredDiagnostics()  argument
2345     auto FE = FileMgr.getFile(SD.Filename);  in TranslateStoredDiagnostics()