[llvm] [llvm][aarch64] fix copypaste typo (PR #120725)

[via llvm-commits]

https://github.com/klensy created https://github.com/llvm/llvm-project/pull/120725

moved from #119881

cc @davemgreen

>From fb4b03259b908886dbb794a2715c163b7020627c Mon Sep 17 00:00:00 2001
From: klensy <nightouser at gmail.com>
Date: Fri, 20 Dec 2024 15:22:53 +0300
Subject: [PATCH] [skip ci] fix typo

---
 llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index a27c030237c878..1dce6189f0c290 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -18396,7 +18396,7 @@ static SDValue performUADDVAddCombine(SDValue A, SelectionDAG &DAG) {
     EVT VT = A.getValueType();
     SDValue Op0 = A.getOperand(0);
     SDValue Op1 = A.getOperand(1);
-    if (Op0.getOpcode() != Op0.getOpcode() ||
+    if (Op0.getOpcode() != Op1.getOpcode() ||
         (Op0.getOpcode() != ISD::ZERO_EXTEND &&
          Op0.getOpcode() != ISD::SIGN_EXTEND))
       return SDValue();