JDevlieghere added inline comments.
================ Comment at: lldb/source/Plugins/ExpressionParser/Clang/ClangModulesDeclVendor.cpp:228 void StoringDiagnosticConsumer::SetCurrentModuleProgress( - llvm::StringRef module_name) { - // Ensure the ordering of: - // 1. Completing the existing progress event. - // 2. Beginining a new progress event. - m_current_progress_up = nullptr; - m_current_progress_up = std::make_unique<Progress>( - llvm::formatv("Currently building module {0}", module_name)); + const std::string &module_name) { + if (!m_current_progress_up) ---------------- kastiglione wrote: > JDevlieghere wrote: > > `Progress::Increment` is taking a `std::string` by value, so if you think > > this will ever get called with an r-value reference, you should do the same > > and `std::move` it. Otherwise the StringRef or the `const std::string&` > > both require a copy. > Understood. The module names are references, I could change this function to > take a `string &&`, but that would move the copy to the callee rather than > here. Either way, I don't see a way to avoid a copy. Yeah if you don't have an r-value reference it cannot be avoided, but I think it's still best to make this take it by value so in case there ever is one in the caller to this function, it is avoided. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D147248/new/ https://reviews.llvm.org/D147248 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits