[PATCH] D87063: [BitcodeReader] Fix O(N^2) in placeholder replacement algorithm.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

resolveConstantForwardRefs() is called once per bitcode file.  For bitcode file of any significant complexity, the list of placeholders probably won't fit in a SmallDenseMap.


Repository:
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  https://reviews.llvm.org/D87063/new/

https://reviews.llvm.org/D87063