[llvm] Mark maybe_unused variable (PR #133069)

[Walter Lee via llvm-commits]

https://github.com/googlewalt created https://github.com/llvm/llvm-project/pull/133069

... to avoid -Wunused-variable warnings/errors when assertions are off.

>From 8bba27a372067f7d9324a20ecd0e52038eab5703 Mon Sep 17 00:00:00 2001
From: Walter Lee <waltl at google.com>
Date: Wed, 26 Mar 2025 11:44:08 +0000
Subject: [PATCH] Mark maybe_unused variable

... to avoid -Wunused-variable warnings/errors when assertions are
off.
---
 llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
index efa238228f6c3..7db599ae51e16 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -619,7 +619,7 @@ Value *VPInstruction::generate(VPTransformState &State) {
     auto *PhiR = cast<VPReductionPHIRecipe>(getOperand(0));
     // Get its reduction variable descriptor.
     const RecurrenceDescriptor &RdxDesc = PhiR->getRecurrenceDescriptor();
-    RecurKind RK = RdxDesc.getRecurrenceKind();
+    [[maybe_unused]] RecurKind RK = RdxDesc.getRecurrenceKind();
     assert(RecurrenceDescriptor::isFindLastIVRecurrenceKind(RK) &&
            "Unexpected reduction kind");
     assert(!PhiR->isInLoop() &&