Author: Kazu Hirata Date: 2024-10-08T07:28:12-07:00 New Revision: dec641e473cf416d54766ced34a36be71ecd0037
URL: https://github.com/llvm/llvm-project/commit/dec641e473cf416d54766ced34a36be71ecd0037 DIFF: https://github.com/llvm/llvm-project/commit/dec641e473cf416d54766ced34a36be71ecd0037.diff LOG: [Driver] Avoid repeated hash lookups (NFC) (#111468) Added: Modified: clang/lib/Driver/MultilibBuilder.cpp Removed: ################################################################################ diff --git a/clang/lib/Driver/MultilibBuilder.cpp b/clang/lib/Driver/MultilibBuilder.cpp index 15adf501778093..4b365a164c4586 100644 --- a/clang/lib/Driver/MultilibBuilder.cpp +++ b/clang/lib/Driver/MultilibBuilder.cpp @@ -74,13 +74,11 @@ bool MultilibBuilder::isValid() const { llvm::StringMap<int> FlagSet; for (unsigned I = 0, N = Flags.size(); I != N; ++I) { StringRef Flag(Flags[I]); - llvm::StringMap<int>::iterator SI = FlagSet.find(Flag.substr(1)); + auto [SI, Inserted] = FlagSet.try_emplace(Flag.substr(1), I); assert(StringRef(Flag).front() == '-' || StringRef(Flag).front() == '!'); - if (SI == FlagSet.end()) - FlagSet[Flag.substr(1)] = I; - else if (Flags[I] != Flags[SI->getValue()]) + if (!Inserted && Flags[I] != Flags[SI->getValue()]) return false; } return true; _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
