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[TableGen] Avoid repeated map lookups (NFC) #123699

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Merged
merged 1 commit into from
Jan 21, 2025
Merged

[TableGen] Avoid repeated map lookups (NFC) #123699

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13 changes: 7 additions & 6 deletions llvm/utils/TableGen/Basic/VTEmitter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -109,12 +109,13 @@ void VTEmitter::run(raw_ostream &OS) {
auto UpdateVTRange = [&VTRanges](const char *Key, StringRef Name,
bool Valid) {
if (Valid) {
if (!VTRanges.count(Key))
VTRanges[Key].First = Name;
assert(!VTRanges[Key].Closed && "Gap detected!");
VTRanges[Key].Last = Name;
} else if (VTRanges.count(Key)) {
VTRanges[Key].Closed = true;
auto [It, Inserted] = VTRanges.try_emplace(Key);
if (Inserted)
It->second.First = Name;
assert(!It->second.Closed && "Gap detected!");
It->second.Last = Name;
} else if (auto It = VTRanges.find(Key); It != VTRanges.end()) {
It->second.Closed = true;
}
};

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