[PATCH] D158889: [AsmPrinter][PGO] Adds optional dumping of branch probabilities for PGO metrics.

[Hongtao Yu via Phabricator via llvm-commits]

hoy added a comment.

In D158889#4618519 <https://reviews.llvm.org/D158889#4618519>, @wenlei wrote:

> We have something similar internally, but didn't upstream because we are not sure if the use case is too narrow to justify burdening the code base with all the related complexity.  cc @hoy

Yeah, we internally serialize machine block execution counts to the binary.  Would it be helpful to write those counts into `llvm_bb_addr_map` section?


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