Author: Kazu Hirata Date: 2025-01-21T23:48:52-08:00 New Revision: d839c06719128700bdd033361b20aa6899f6620a
URL: https://github.com/llvm/llvm-project/commit/d839c06719128700bdd033361b20aa6899f6620a DIFF: https://github.com/llvm/llvm-project/commit/d839c06719128700bdd033361b20aa6899f6620a.diff LOG: [lldb] Avoid repeated map lookups (NFC) (#123892) Added: Modified: lldb/source/Target/Process.cpp Removed: ################################################################################ diff --git a/lldb/source/Target/Process.cpp b/lldb/source/Target/Process.cpp index 142dd882aceeca..c594fd94c9904b 100644 --- a/lldb/source/Target/Process.cpp +++ b/lldb/source/Target/Process.cpp @@ -1294,17 +1294,12 @@ bool Process::HasAssignedIndexIDToThread(uint64_t thread_id) { } uint32_t Process::AssignIndexIDToThread(uint64_t thread_id) { - uint32_t result = 0; - std::map<uint64_t, uint32_t>::iterator iterator = - m_thread_id_to_index_id_map.find(thread_id); - if (iterator == m_thread_id_to_index_id_map.end()) { - result = ++m_thread_index_id; - m_thread_id_to_index_id_map[thread_id] = result; - } else { - result = iterator->second; - } + auto [iterator, inserted] = + m_thread_id_to_index_id_map.try_emplace(thread_id, m_thread_index_id + 1); + if (inserted) + ++m_thread_index_id; - return result; + return iterator->second; } StateType Process::GetState() { _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
