From 8d57b00f9673a309ba3bbd4bfb6d2053a178a519 Mon Sep 17 00:00:00 2001
From: Justin Lebar <justin.lebar@gmail.com>
Date: Fri, 26 May 2023 16:22:16 -0700
Subject: [PATCH] Fix -Wsign-compare from D149893.

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

diff --git a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
index 26cb6439c9e26..52c6a9ff16bdf 100644
--- a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
@@ -1422,7 +1422,7 @@ std::vector<Chain> Vectorizer::gatherChains(ArrayRef<Instruction *> Instrs) {
   // chains.  This limits the O(n^2) behavior of this pass while also allowing
   // us to build arbitrarily long chains.
   for (Instruction *I : Instrs) {
-    constexpr size_t MaxChainsToTry = 64;
+    constexpr int MaxChainsToTry = 64;
 
     bool MatchFound = false;
     auto ChainIter = MRU.begin();