From 34f57ff3e81812d1e452228024c4a3a58961876c Mon Sep 17 00:00:00 2001
From: Florian Hahn <florian.hahn@arm.com>
Date: Sat, 21 Oct 2017 04:57:03 +0000
Subject: [PATCH] [SelectionDAG] Use isa to silence unused variable warning
 (NFC).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316257 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index dfb097ac770..63f9198d594 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2966,7 +2966,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, const APInt &DemandedElts,
   unsigned Tmp, Tmp2;
   unsigned FirstAnswer = 1;
 
-  if (auto *C = dyn_cast<ConstantSDNode>(Op)) {
+  if (isa<ConstantSDNode>(Op)) {
     const APInt &Val = cast<ConstantSDNode>(Op)->getAPIntValue();
     return Val.getNumSignBits();
   }
-- 
2.11.0