[PATCH] D90106: [JumpThreading] Set edge probabilities when creating basic blocks

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

I've debugged this two weeks ago:)

> Now, we rarely remove entries from this map, so if we happen to ...

Thanks for narrowing it down to the issue! LGTM

Do you know whether we have missed some BranchProbabilityInfo::eraseBlock calls? Why is BasicBlockCallbackVH::deleted() not effective when some BasicBlock's are removed?


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https://reviews.llvm.org/D90106