From 177b35e464b0a17afad4f2d4da61447da027d059 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Sat, 26 Dec 2015 20:13:33 +0000
Subject: [PATCH 1/1] [X86] Fix an unused variable warning in released builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256453 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/Utils/X86ShuffleDecode.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Target/X86/Utils/X86ShuffleDecode.cpp b/lib/Target/X86/Utils/X86ShuffleDecode.cpp
index a3729769901..4fdd527d87c 100644
--- a/lib/Target/X86/Utils/X86ShuffleDecode.cpp
+++ b/lib/Target/X86/Utils/X86ShuffleDecode.cpp
@@ -308,8 +308,10 @@ void DecodePSHUFBMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask) {
   //   <4 x i32> <i32 -2147483648, i32 -2147483648,
   //              i32 -2147483648, i32 -2147483648>
 
+#ifndef NDEBUG
   unsigned MaskTySize = MaskTy->getPrimitiveSizeInBits();
   assert(MaskTySize == 128 || MaskTySize == 256 || MaskTySize == 512);
+#endif
 
   // This is a straightforward byte vector.
   if (MaskTy->isVectorTy() && MaskTy->getVectorElementType()->isIntegerTy(8)) {
-- 
2.34.1