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[mlir] Avoid repeated hash lookups (NFC) #112158

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Merged
merged 1 commit into from
Oct 14, 2024
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[mlir] Avoid repeated hash lookups (NFC) #112158

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5 changes: 3 additions & 2 deletions mlir/lib/Transforms/SROA.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -100,10 +100,11 @@ computeDestructuringInfo(DestructurableMemorySlot &slot,
mlir::getForwardSlice(slot.ptr, &forwardSlice);
for (Operation *user : forwardSlice) {
// If the next operation has no blocking uses, everything is fine.
if (!info.userToBlockingUses.contains(user))
auto it = info.userToBlockingUses.find(user);
if (it == info.userToBlockingUses.end())
continue;

SmallPtrSet<OpOperand *, 4> &blockingUses = info.userToBlockingUses[user];
SmallPtrSet<OpOperand *, 4> &blockingUses = it->second;
auto promotable = dyn_cast<PromotableOpInterface>(user);

// An operation that has blocking uses must be promoted. If it is not
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