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[LV] Improve code in collectInstsToScalarize (NFC) #130643

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Merged
merged 1 commit into from
Mar 25, 2025
Merged

[LV] Improve code in collectInstsToScalarize (NFC) #130643

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4 changes: 2 additions & 2 deletions llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -5427,12 +5427,12 @@ void LoopVectorizationCostModel::collectInstsToScalarize(ElementCount VF) {
ScalarCostsVF.insert(ScalarCosts.begin(), ScalarCosts.end());
// Check if we decided to scalarize a call. If so, update the widening
// decision of the call to CM_Scalarize with the computed scalar cost.
for (const auto &[I, _] : ScalarCosts) {
for (const auto &[I, Cost] : ScalarCosts) {
auto *CI = dyn_cast<CallInst>(I);
if (!CI || !CallWideningDecisions.contains({CI, VF}))
continue;
CallWideningDecisions[{CI, VF}].Kind = CM_Scalarize;
CallWideningDecisions[{CI, VF}].Cost = ScalarCosts[CI];
CallWideningDecisions[{CI, VF}].Cost = Cost;
}
}
// Remember that BB will remain after vectorization.
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