[llvm] ac269e6 - [ExecutionEngine] Avoid repeated hash lookups (NFC) (#132143)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-03-20T09:10:53-07:00
New Revision: ac269e6d94c29711616991a8d714e9a05e1bbce6

URL: https://github.com/llvm/llvm-project/commit/ac269e6d94c29711616991a8d714e9a05e1bbce6
DIFF: https://github.com/llvm/llvm-project/commit/ac269e6d94c29711616991a8d714e9a05e1bbce6.diff

LOG: [ExecutionEngine] Avoid repeated hash lookups (NFC) (#132143)

Added: 
    

Modified: 
    llvm/lib/ExecutionEngine/JITLink/COFFLinkGraphBuilder.cpp

Removed: 
    


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diff  --git a/llvm/lib/ExecutionEngine/JITLink/COFFLinkGraphBuilder.cpp b/llvm/lib/ExecutionEngine/JITLink/COFFLinkGraphBuilder.cpp
index e898d336dbe40..685b190fee3de 100644
--- a/llvm/lib/ExecutionEngine/JITLink/COFFLinkGraphBuilder.cpp
+++ b/llvm/lib/ExecutionEngine/JITLink/COFFLinkGraphBuilder.cpp
@@ -366,11 +366,11 @@ Symbol *COFFLinkGraphBuilder::createExternalSymbol(
     COFFSymbolIndex SymIndex, orc::SymbolStringPtr SymbolName,
     object::COFFSymbolRef Symbol, const object::coff_section *Section) {
   llvm::jitlink::Symbol *Sym = nullptr;
-  if (!ExternalSymbols.count(SymbolName)) {
+  if (auto It = ExternalSymbols.find(SymbolName); It == ExternalSymbols.end()) {
     Sym = &G->addExternalSymbol(*SymbolName, Symbol.getValue(), false);
     ExternalSymbols[Sym->getName()] = Sym;
   } else {
-    Sym = ExternalSymbols[SymbolName];
+    Sym = It->second;
   }
 
   LLVM_DEBUG({