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[Dialect] Avoid repeated hash lookups (NFC) #108137

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Merged
merged 1 commit into from
Sep 11, 2024
Merged

[Dialect] Avoid repeated hash lookups (NFC) #108137

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3 changes: 1 addition & 2 deletions mlir/lib/Dialect/Bufferization/IR/BufferizableOpInterface.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -465,9 +465,8 @@ bool AnalysisState::isValueRead(Value value) const {

while (!workingSet.empty()) {
OpOperand *uMaybeReading = workingSet.pop_back_val();
if (visited.contains(uMaybeReading))
if (!visited.insert(uMaybeReading).second)
continue;
visited.insert(uMaybeReading);

// Skip over all ops that neither read nor write (but create an alias).
if (bufferizesToAliasOnly(*uMaybeReading))
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