From 15e9575fb5988a66aa6e57a55818b54b575dd795 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Sat, 11 Sep 2021 12:06:42 -0700
Subject: [PATCH] [Vectorize] Fix "unused variable" warnings

---
 llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 2808cef..1a511ef 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -5329,9 +5329,7 @@ bool LoopVectorizationCostModel::interleavedAccessCanBeWidened(
 bool LoopVectorizationCostModel::memoryInstructionCanBeWidened(
     Instruction *I, ElementCount VF) {
   // Get and ensure we have a valid memory instruction.
-  LoadInst *LI = dyn_cast<LoadInst>(I);
-  StoreInst *SI = dyn_cast<StoreInst>(I);
-  assert((LI || SI) && "Invalid memory instruction");
+  assert((isa<LoadInst, StoreInst>(I)) && "Invalid memory instruction");
 
   auto *Ptr = getLoadStorePointerOperand(I);
   auto *ScalarTy = getLoadStoreType(I);
-- 
2.7.4