[llvm] c51c607 - [VirtualFileSystem] Use std::map::emplace

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2023-07-22T00:00:57-07:00
New Revision: c51c607dfc6388050ed1381a32089cd08a36ff9a

URL: https://github.com/llvm/llvm-project/commit/c51c607dfc6388050ed1381a32089cd08a36ff9a
DIFF: https://github.com/llvm/llvm-project/commit/c51c607dfc6388050ed1381a32089cd08a36ff9a.diff

LOG: [VirtualFileSystem] Use std::map::emplace

Added: 
    

Modified: 
    llvm/lib/Support/VirtualFileSystem.cpp

Removed: 
    


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diff  --git a/llvm/lib/Support/VirtualFileSystem.cpp b/llvm/lib/Support/VirtualFileSystem.cpp
index 25d057bd9c842c..d381d79fba9663 100644
--- a/llvm/lib/Support/VirtualFileSystem.cpp
+++ b/llvm/lib/Support/VirtualFileSystem.cpp
@@ -749,8 +749,7 @@ class InMemoryDirectory : public InMemoryNode {
   }
 
   InMemoryNode *addChild(StringRef Name, std::unique_ptr<InMemoryNode> Child) {
-    return Entries.insert(make_pair(Name.str(), std::move(Child)))
-        .first->second.get();
+    return Entries.emplace(Name, std::move(Child)).first->second.get();
   }
 
   using const_iterator = decltype(Entries)::const_iterator;