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-rw-r--r--llvm/lib/Analysis/LoopCacheAnalysis.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/LoopCacheAnalysis.cpp b/llvm/lib/Analysis/LoopCacheAnalysis.cpp
index 098bc6f6818..25325ec1be0 100644
--- a/llvm/lib/Analysis/LoopCacheAnalysis.cpp
+++ b/llvm/lib/Analysis/LoopCacheAnalysis.cpp
@@ -284,6 +284,9 @@ CacheCostTy IndexedReference::computeRefCost(const Loop &L,
const SCEV *ElemSize = Sizes.back();
const SCEV *Stride = SE.getMulExpr(Coeff, ElemSize);
const SCEV *CacheLineSize = SE.getConstant(Stride->getType(), CLS);
+ Type *WiderType = SE.getWiderType(Stride->getType(), TripCount->getType());
+ Stride = SE.getNoopOrSignExtend(Stride, WiderType);
+ TripCount = SE.getNoopOrAnyExtend(TripCount, WiderType);
const SCEV *Numerator = SE.getMulExpr(Stride, TripCount);
RefCost = SE.getUDivExpr(Numerator, CacheLineSize);
LLVM_DEBUG(dbgs().indent(4)
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