[llvm] a9cc7fe - [NFC][SampleFDO] Use const& to avoid copies (#164584)

[via llvm-commits]

Author: Abhishek Kaushik
Date: 2025-11-27T12:22:29+05:30
New Revision: a9cc7fe3caf6e14ae755689df8ccde2edc4c8a43

URL: https://github.com/llvm/llvm-project/commit/a9cc7fe3caf6e14ae755689df8ccde2edc4c8a43
DIFF: https://github.com/llvm/llvm-project/commit/a9cc7fe3caf6e14ae755689df8ccde2edc4c8a43.diff

LOG: [NFC][SampleFDO] Use const& to avoid copies (#164584)

Use const& in range-based for loop to avoid unnecessary copies

Added: 
    

Modified: 
    llvm/include/llvm/ProfileData/SampleProf.h

Removed: 
    


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diff  --git a/llvm/include/llvm/ProfileData/SampleProf.h b/llvm/include/llvm/ProfileData/SampleProf.h
index 3dd34aba2d716..05f1b568b0643 100644
--- a/llvm/include/llvm/ProfileData/SampleProf.h
+++ b/llvm/include/llvm/ProfileData/SampleProf.h
@@ -1072,7 +1072,7 @@ class FunctionSamples {
     TypeCountMap &TypeCounts = getTypeSamplesAt(Loc);
     bool Overflowed = false;
 
-    for (const auto [Type, Count] : Other) {
+    for (const auto &[Type, Count] : Other) {
       FunctionId TypeId(Type);
       bool RowOverflow = false;
       TypeCounts[TypeId] = SaturatingMultiplyAdd(