diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 53fa9e200c0..798fb81190f 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -893,7 +893,7 @@ unsigned LoopStrengthReduce::CheckForIVReuse(const SCEVHandle &Stride,
       if (unsigned(abs(SInt)) < Scale || (SInt % Scale) != 0)
         continue;
       std::map<SCEVHandle, IVsOfOneStride>::iterator SI =
-        IVsByStride.find(SCEVUnknown::getIntegerSCEV(SInt/Scale, Type::Int32Ty));
+        IVsByStride.find(SCEVUnknown::getIntegerSCEV(SInt/Scale, UIntPtrTy));
       if (SI == IVsByStride.end())
         continue;
       for (std::vector<IVExpr>::iterator II = SI->second.IVs.begin(),