[llvm] [CodeGen] Construct SmallVector with ArrayRef (NFC) (PR #143391)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-selectiondag

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/143391.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (+1-3) 


``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 5fe15e44c95bb..f5f4d71236fee 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3562,9 +3562,7 @@ bool SelectionDAGLegalize::ExpandNode(SDNode *Node) {
     unsigned Factor = Node->getNumOperands();
     if (Factor <= 2 || !isPowerOf2_32(Factor))
       break;
-    SmallVector<SDValue, 8> Ops;
-    for (SDValue Op : Node->ops())
-      Ops.push_back(Op);
+    SmallVector<SDValue, 8> Ops(Node->ops());
     EVT VecVT = Node->getValueType(0);
     SmallVector<EVT> HalfVTs(Factor / 2, VecVT);
     // Deinterleave at Factor/2 so each result contains two factors interleaved:

``````````

</details>


https://github.com/llvm/llvm-project/pull/143391