From eab33cecf38c2f093d63d9881d87e8f6a542f078 Mon Sep 17 00:00:00 2001
From: Haojian Wu <hokein@google.com>
Date: Mon, 29 Aug 2016 12:26:33 +0000
Subject: [PATCH] Fix -Wunused-but-set-variable warning.

Summary: A follow-up fix on r279958.

Reviewers: bkramer

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D23989

llvm-svn: 279964
---
 llvm/lib/Target/X86/X86ISelLowering.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index dc36d0d11991..ede33893d8cb 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -14617,17 +14617,14 @@ static SDValue LowerFABSorFNEG(SDValue Op, SelectionDAG &DAG) {
 
   MVT LogicVT;
   MVT EltVT;
-  unsigned NumElts;
 
   if (VT.isVector()) {
     LogicVT = VT;
     EltVT = VT.getVectorElementType();
-    NumElts = VT.getVectorNumElements();
   } else if (IsF128) {
     // SSE instructions are used for optimized f128 logical operations.
     LogicVT = MVT::f128;
     EltVT = VT;
-    NumElts = 1;
   } else {
     // There are no scalar bitwise logical SSE/AVX instructions, so we
     // generate a 16-byte vector constant and logic op even for the scalar case.
@@ -14635,7 +14632,6 @@ static SDValue LowerFABSorFNEG(SDValue Op, SelectionDAG &DAG) {
     // the logic op, so it can save (~4 bytes) on code size.
     LogicVT = (VT == MVT::f64) ? MVT::v2f64 : MVT::v4f32;
     EltVT = VT;
-    NumElts = (VT == MVT::f64) ? 2 : 4;
   }
 
   unsigned EltBits = EltVT.getSizeInBits();