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

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/137336.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+1-1) 


``````````diff
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;
           }))

``````````

</details>


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