From: Kostya Serebryany <kcc@google.com>
Date: Tue, 29 Apr 2014 09:33:02 +0000 (+0000)
Subject: fix -Wunused-variable warning in Release mode
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=0f99bc060611d6de502963fcbc668f1c60160a44;p=oota-llvm.git

fix -Wunused-variable warning in Release mode

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207514 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index 5dc4095fbb9..5f27079a96d 100644
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -5122,6 +5122,7 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize,
   DEBUG(if (ForceVectorization && Width > 1 && Cost >= ScalarCost) dbgs()
         << "LV: Vectorization seems to be not beneficial, "
         << "but was forced by a user.\n");
+  (void)ScalarCost;
   DEBUG(dbgs() << "LV: Selecting VF: "<< Width << ".\n");
   Factor.Width = Width;
   Factor.Cost = Width * Cost;