[llvm] a9eb3fd - [SCEV] Fix warning (NFC)

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2024-08-02T14:48:29+02:00
New Revision: a9eb3fd79b96ea6d954b1aa9a3de81d260d712ae

URL: https://github.com/llvm/llvm-project/commit/a9eb3fd79b96ea6d954b1aa9a3de81d260d712ae
DIFF: https://github.com/llvm/llvm-project/commit/a9eb3fd79b96ea6d954b1aa9a3de81d260d712ae.diff

LOG: [SCEV] Fix warning (NFC)

Produces -Wrange-loop-construct on some buildbots.

Added: 
    

Modified: 
    llvm/lib/Analysis/ScalarEvolution.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index b6c70451b9b06..a5ebd5c554c3d 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -11979,7 +11979,7 @@ ScalarEvolution::computeConstantDifference(const SCEV *More, const SCEV *Less) {
   Decompose(Less, -1);
 
   // Check whether all the non-constants cancel out.
-  for (const auto [_, Mul] : Multiplicity)
+  for (const auto &[_, Mul] : Multiplicity)
     if (Mul != 0)
       return std::nullopt;