[PATCH] D78775: [MC] Fix quadratic behavior in addPendingLabel

[Kan Shengchen via Phabricator via llvm-commits]

skan accepted this revision.
skan added a comment.

LGTM (with one comment)



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Comment at: llvm/include/llvm/MC/MCObjectStreamer.h:42
   SmallVector<MCSymbol *, 2> PendingLabels;
-  SmallVector<MCSection*, 2> PendingLabelSections;
+  SmallSetVector<MCSection *, 4> PendingLabelSections;
   unsigned CurSubsectionIdx;
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Update this in description. 

> The proposed fix simply replaces the SmallVector by a (Small)DenseSet SmallPtrSet.




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  https://reviews.llvm.org/D78775/new/

https://reviews.llvm.org/D78775