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[Transforms] Avoid repeated hash lookups (NFC) #131554

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Merged
kazutakahirata merged 1 commit into from
Mar 17, 2025
Merged

[Transforms] Avoid repeated hash lookups (NFC) #131554

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4 changes: 2 additions & 2 deletions llvm/lib/Transforms/IPO/AttributorAttributes.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1679,8 +1679,8 @@ ChangeStatus AAPointerInfoFloating::updateImpl(Attributor &A) {
if (auto *PHI = dyn_cast<PHINode>(Usr)) {
// Note the order here, the Usr access might change the map, CurPtr is
// already in it though.
bool IsFirstPHIUser = !OffsetInfoMap.count(PHI);
auto &UsrOI = OffsetInfoMap[PHI];
auto [PhiIt, IsFirstPHIUser] = OffsetInfoMap.try_emplace(PHI);
auto &UsrOI = PhiIt->second;
auto &PtrOI = OffsetInfoMap[CurPtr];

// Check if the PHI operand has already an unknown offset as we can't
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