From 0767ae5896cf05bcc8146fd81302920dba6ac30d Mon Sep 17 00:00:00 2001
From: Diego Novillo <dnovillo@google.com>
Date: Wed, 11 Nov 2015 16:39:22 +0000
Subject: [PATCH] Properly fix unused variable in disable-assert builds.

I missed the side-effects of ParseBFI in my previous attempt (r252748).
Thanks dblaikie for the suggestion of adding a void use of the unused
variable instead.

llvm-svn: 252751
---
 llvm/lib/Target/ARM/ARMISelLowering.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index 166d5517f812..87bd9be01f09 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -9141,7 +9141,9 @@ static SDValue PerformBFICombine(SDNode *N,
     SDValue From1 = ParseBFI(N, ToMask1, FromMask1);
 
     APInt ToMask2, FromMask2;
-    assert(From1 == ParseBFI(CombineBFI.getNode(), ToMask2, FromMask2));
+    SDValue From2 = ParseBFI(CombineBFI.getNode(), ToMask2, FromMask2);
+    assert(From1 == From2);
+    (void)From2;
   
     // First, unlink CombineBFI.
     DCI.DAG.ReplaceAllUsesWith(CombineBFI, CombineBFI.getOperand(0));