[llvm] Fix maybe unused variable in 1a036732d210 (PR #169542)

[Walter Lee via llvm-commits]

https://github.com/googlewalt created https://github.com/llvm/llvm-project/pull/169542

None

>From d039ae2b9121beb126c552c0129c42c997b2f15b Mon Sep 17 00:00:00 2001
From: Walter Lee <waltl at google.com>
Date: Tue, 25 Nov 2025 13:06:30 -0500
Subject: [PATCH] Fix maybe unused variable in 1a036732d210

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

diff --git a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
index f3a3bc785d997..8b72b1e1f3a52 100644
--- a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -3457,7 +3457,7 @@ convertMLOADToLoadWithUsedBytesMask(MemSDNode *N, SelectionDAG &DAG) {
   SDValue Chain = N->getOperand(0);
   SDValue BasePtr = N->getOperand(1);
   SDValue Mask = N->getOperand(3);
-  SDValue Passthru = N->getOperand(4);
+  [[maybe_unused]] SDValue Passthru = N->getOperand(4);
 
   SDLoc DL(N);
   EVT ResVT = N->getValueType(0);