[PATCH] D147456: [AutoFDO] Stale profile matching(part 1)

[David Li via Phabricator via llvm-commits]

davidxl added a comment.

Nice.

Just browsed the patch, I don't seem to find how FUncToMatchingsMap is populated which is the core of the stale profile matching algorithm.  Does algorithm use some anchor points to do the remapping?

By the way, another way is to offline remapping --- basically 'correcting' the stale profile by mapping the old locations to the new locations and produce a refreshed profile.  This is what we plan to do internally.


Repository:
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