[PATCH] D158689: [llvm-profdata] Use llvm::DenseMap in SampleProfileMap

[David Li via Phabricator via llvm-commits]

davidxl added a comment.

Interesting. @williamjhuang can you double check your measurement ? If the improvement can be reproduced, do some profiling and understand where the performance come from is useful.


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https://reviews.llvm.org/D158689