- std::string ErrorStr;
- MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
- if (F == 0) {
- Err = SMDiagnostic("", -1, -1,
- "Could not open input file '" + Filename + "'", "");
- return 0;
+ ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+ MemoryBuffer::getFileOrSTDIN(Filename);
+ if (std::error_code EC = FileOrErr.getError()) {
+ Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
+ "Could not open input file: " + EC.message());
+ return nullptr;