Author: Kazu Hirata Date: 2024-10-03T08:28:42-07:00 New Revision: 20d402ab087f2369c0099f151b5480efb1b7fecf
URL: https://github.com/llvm/llvm-project/commit/20d402ab087f2369c0099f151b5480efb1b7fecf DIFF: https://github.com/llvm/llvm-project/commit/20d402ab087f2369c0099f151b5480efb1b7fecf.diff LOG: [Serialization] Avoid repeated hash lookups (NFC) (#110950) Added: Modified: clang/lib/Serialization/GlobalModuleIndex.cpp Removed: ################################################################################ diff --git a/clang/lib/Serialization/GlobalModuleIndex.cpp b/clang/lib/Serialization/GlobalModuleIndex.cpp index 1163943c5dffaa..9c48712a0b3fbe 100644 --- a/clang/lib/Serialization/GlobalModuleIndex.cpp +++ b/clang/lib/Serialization/GlobalModuleIndex.cpp @@ -430,14 +430,13 @@ namespace { /// Retrieve the module file information for the given file. ModuleFileInfo &getModuleFileInfo(FileEntryRef File) { - auto Known = ModuleFiles.find(File); - if (Known != ModuleFiles.end()) - return Known->second; - - unsigned NewID = ModuleFiles.size(); - ModuleFileInfo &Info = ModuleFiles[File]; - Info.ID = NewID; - return Info; + auto [It, Inserted] = ModuleFiles.try_emplace(File); + if (Inserted) { + unsigned NewID = ModuleFiles.size(); + ModuleFileInfo &Info = It->second; + Info.ID = NewID; + } + return It->second; } public: _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
