[llvm] SLPVectorizer: Use use_empty instead of hasNUses(0) (PR #137336)

[Matt Arsenault via llvm-commits]

https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/137336

None

>From 17da1c8b70c5d6095d7063047e4dd74debdbd992 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Fri, 25 Apr 2025 15:49:37 +0200
Subject: [PATCH] SLPVectorizer: Use use_empty instead of hasNUses(0)

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

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 53da78ee599b7..c222053377f5e 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -16160,7 +16160,7 @@ Value *BoUpSLP::gather(
     } else {
       Vec = CreateShuffle(Root, Vec, Mask);
       if (auto *OI = dyn_cast<Instruction>(OriginalRoot);
-          OI && OI->hasNUses(0) &&
+          OI && OI->use_empty() &&
           none_of(VectorizableTree, [&](const std::unique_ptr<TreeEntry> &TE) {
             return TE->VectorizedValue == OI;
           }))