[llvm] c219ebd - [ExecutionEngine] Avoid repeated hash lookups (NFC) (#109563)

[via llvm-commits]

Author: Kazu Hirata
Date: 2024-09-22T00:18:22-07:00
New Revision: c219ebd95750c0ad6768d28d7569389e6fbd0be1

URL: https://github.com/llvm/llvm-project/commit/c219ebd95750c0ad6768d28d7569389e6fbd0be1
DIFF: https://github.com/llvm/llvm-project/commit/c219ebd95750c0ad6768d28d7569389e6fbd0be1.diff

LOG: [ExecutionEngine] Avoid repeated hash lookups (NFC) (#109563)

Added: 
    

Modified: 
    llvm/lib/ExecutionEngine/JITLink/DefineExternalSectionStartAndEndSymbols.h

Removed: 
    


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diff  --git a/llvm/lib/ExecutionEngine/JITLink/DefineExternalSectionStartAndEndSymbols.h b/llvm/lib/ExecutionEngine/JITLink/DefineExternalSectionStartAndEndSymbols.h
index 4a492ee2f7d07b..49cfc5dec25bb5 100644
--- a/llvm/lib/ExecutionEngine/JITLink/DefineExternalSectionStartAndEndSymbols.h
+++ b/llvm/lib/ExecutionEngine/JITLink/DefineExternalSectionStartAndEndSymbols.h
@@ -71,10 +71,7 @@ class DefineExternalSectionStartAndEndSymbols {
 
 private:
   SectionRange &getSectionRange(Section &Sec) {
-    auto I = SectionRanges.find(&Sec);
-    if (I == SectionRanges.end())
-      I = SectionRanges.insert(std::make_pair(&Sec, SectionRange(Sec))).first;
-    return I->second;
+    return SectionRanges.try_emplace(&Sec, Sec).first->second;
   }
 
   DenseMap<Section *, SectionRange> SectionRanges;