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[LoopCacheAnalysis] Drop incorrect nowrap flags from addrec (NFCI)
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llvm/lib/Analysis/LoopCacheAnalysis.cpp

Lines changed: 3 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -436,10 +436,9 @@ bool IndexedReference::delinearize(const LoopInfo &LI) {
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const SCEV *StepRec = AccessFnAR ? AccessFnAR->getStepRecurrence(SE) : nullptr;
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if (StepRec && SE.isKnownNegative(StepRec))
439-
AccessFn = SE.getAddRecExpr(AccessFnAR->getStart(),
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SE.getNegativeSCEV(StepRec),
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AccessFnAR->getLoop(),
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AccessFnAR->getNoWrapFlags());
439+
AccessFn = SE.getAddRecExpr(
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AccessFnAR->getStart(), SE.getNegativeSCEV(StepRec),
441+
AccessFnAR->getLoop(), SCEV::NoWrapFlags::FlagAnyWrap);
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const SCEV *Div = SE.getUDivExactExpr(AccessFn, ElemSize);
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Subscripts.push_back(Div);
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Sizes.push_back(ElemSize);

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