From 96a563ccfa81f59e0a1fdc82220b588a58ff865f Mon Sep 17 00:00:00 2001
From: Diego Novillo <dnovillo@google.com>
Date: Sat, 31 Jan 2015 17:17:33 +0000
Subject: [PATCH] Remove unused variable.

Summary:
This variable is only used inside an assert. This breaks builds with
asserts disabled.

OK for trunk?

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7314

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227691 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/Utils/X86ShuffleDecode.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Target/X86/Utils/X86ShuffleDecode.cpp b/lib/Target/X86/Utils/X86ShuffleDecode.cpp
index 7cf57b2918a..e71fda551a1 100644
--- a/lib/Target/X86/Utils/X86ShuffleDecode.cpp
+++ b/lib/Target/X86/Utils/X86ShuffleDecode.cpp
@@ -400,14 +400,14 @@ void DecodeVPERMILPMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask) {
 }
 
 void DecodeZeroExtendMask(MVT SrcVT, MVT DstVT, SmallVectorImpl<int> &Mask) {
-  unsigned NumSrcElts = SrcVT.getVectorNumElements();
   unsigned NumDstElts = DstVT.getVectorNumElements();
   unsigned SrcScalarBits = SrcVT.getScalarSizeInBits();
   unsigned DstScalarBits = DstVT.getScalarSizeInBits();
   unsigned Scale = DstScalarBits / SrcScalarBits;
   assert(SrcScalarBits < DstScalarBits &&
          "Expected zero extension mask to increase scalar size");
-  assert(NumSrcElts >= NumDstElts && "Too many zero extension lanes");
+  assert(SrcVT.getVectorNumElements() >= NumDstElts &&
+         "Too many zero extension lanes");
 
   for (unsigned i = 0; i != NumDstElts; i++) {
     Mask.push_back(i);