[llvm] 60a6e6f - [Object] Avoid repeated map lookups (NFC) (#110201)

[via llvm-commits]

Author: Kazu Hirata
Date: 2024-09-28T10:03:23-07:00
New Revision: 60a6e6fa54b79d0771f36b4f9565cb6b465b7501

URL: https://github.com/llvm/llvm-project/commit/60a6e6fa54b79d0771f36b4f9565cb6b465b7501
DIFF: https://github.com/llvm/llvm-project/commit/60a6e6fa54b79d0771f36b4f9565cb6b465b7501.diff

LOG: [Object] Avoid repeated map lookups (NFC) (#110201)

Added: 
    

Modified: 
    llvm/lib/Object/ArchiveWriter.cpp

Removed: 
    


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diff  --git a/llvm/lib/Object/ArchiveWriter.cpp b/llvm/lib/Object/ArchiveWriter.cpp
index 114045561366d7..c61ba868efe60e 100644
--- a/llvm/lib/Object/ArchiveWriter.cpp
+++ b/llvm/lib/Object/ArchiveWriter.cpp
@@ -754,9 +754,8 @@ static Expected<std::vector<unsigned>> getSymbols(SymbolicFile *Obj,
       raw_string_ostream NameStream(Name);
       if (Error E = S.printName(NameStream))
         return std::move(E);
-      if (Map->find(Name) != Map->end())
+      if (!Map->try_emplace(Name, Index).second)
         continue; // ignore duplicated symbol
-      (*Map)[Name] = Index;
       if (Map == &SymMap->Map) {
         Ret.push_back(SymNames.tell());
         SymNames << Name << '\0';