Silencing an MSVC warning about loop variable conflicting with a variable from an outer scope. NFC.

llvm-svn: 215888
diff --git a/llvm/lib/Target/R600/SIISelLowering.cpp b/llvm/lib/Target/R600/SIISelLowering.cpp
index 09e319a..b66bcf5 100644
--- a/llvm/lib/Target/R600/SIISelLowering.cpp
+++ b/llvm/lib/Target/R600/SIISelLowering.cpp
@@ -1410,7 +1410,7 @@
       SDValue NewPtr = performSHLPtrCombine(Ptr.getNode(), AS, DCI);
       if (NewPtr) {
         SmallVector<SDValue, 8> NewOps;
-        for (unsigned I = 0, N = MemNode->getNumOperands(); I != N; ++I)
+        for (unsigned I = 0, E = MemNode->getNumOperands(); I != E; ++I)
           NewOps.push_back(MemNode->getOperand(I));
 
         NewOps[N->getOpcode() == ISD::STORE ? 2 : 1] = NewPtr;