[llvm] r346657 - Fix unused variable warning. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Nov 12 06:48:39 2018
New Revision: 346657

URL: http://llvm.org/viewvc/llvm-project?rev=346657&view=rev
Log:
Fix unused variable warning. NFCI.

Modified:
    llvm/trunk/include/llvm/CodeGen/BasicTTIImpl.h

Modified: llvm/trunk/include/llvm/CodeGen/BasicTTIImpl.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/BasicTTIImpl.h?rev=346657&r1=346656&r2=346657&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/BasicTTIImpl.h (original)
+++ llvm/trunk/include/llvm/CodeGen/BasicTTIImpl.h Mon Nov 12 06:48:39 2018
@@ -123,9 +123,8 @@ private:
   unsigned getExtractSubvectorOverhead(Type *Ty, int Index, Type *SubTy) {
     assert(Ty && Ty->isVectorTy() && SubTy && SubTy->isVectorTy() &&
            "Can only extract subvectors from vectors");
-    int NumElts = Ty->getVectorNumElements();
     int NumSubElts = SubTy->getVectorNumElements();
-    assert((Index + NumSubElts) <= NumElts &&
+    assert((Index + NumSubElts) <= (int)Ty->getVectorNumElements() &&
            "SK_ExtractSubvector index out of range");
 
     unsigned Cost = 0;