[llvm] r256453 - [X86] Fix an unused variable warning in released builds.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Dec 26 14:13:33 2015
New Revision: 256453

URL: http://llvm.org/viewvc/llvm-project?rev=256453&view=rev
Log:
[X86] Fix an unused variable warning in released builds.

Modified:
    llvm/trunk/lib/Target/X86/Utils/X86ShuffleDecode.cpp

Modified: llvm/trunk/lib/Target/X86/Utils/X86ShuffleDecode.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/Utils/X86ShuffleDecode.cpp?rev=256453&r1=256452&r2=256453&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/Utils/X86ShuffleDecode.cpp (original)
+++ llvm/trunk/lib/Target/X86/Utils/X86ShuffleDecode.cpp Sat Dec 26 14:13:33 2015
@@ -308,8 +308,10 @@ void DecodePSHUFBMask(const Constant *C,
   //   <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)) {