[llvm] [LV][NFC] Fix unused variable warning (PR #228383)

[David Sherwood via llvm-commits]

https://github.com/david-arm created https://github.com/llvm/llvm-project/pull/228383

None

>From c7cf48144da5424d0b2fc5c49cf3bd6a52ed0f08 Mon Sep 17 00:00:00 2001
From: David Sherwood <david.sherwood at arm.com>
Date: Fri, 2 Oct 2026 10:24:25 +0000
Subject: [PATCH] [LV][NFC] Fix unused variable warning

---
 llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 69e367e62129d..b3db2f8de7432 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -4701,7 +4701,7 @@ void LoopVectorizationCostModel::setCostBasedWideningDecision(ElementCount VF) {
           dbgs() << "LV: Memory widening: updating decision for load user "
                  << *UI << '\n');
       setWideningDecision(
-          cast<Instruction>(U), VF, CM_Scalarize,
+          UI, VF, CM_Scalarize,
           getMemInstScalarizationCost(cast<Instruction>(U), VF));
     }
   };