[PATCH] D108008: [WIP][Attributor] AAHotCold Use CFG to propagate hot cold.

[Kuter Dinel via Phabricator via llvm-commits]

kuter created this revision.
Herald added subscribers: ormris, okura, jdoerfert, uenoku, hiraditya.
Herald added a reviewer: uenoku.
Herald added a reviewer: homerdin.
kuter requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a reviewer: sstefan1.
Herald added a reviewer: baziotis.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This patch makes it possible to propagate hot cold across basic
blocks with in the attributes. It relies on the BranchProbabilityInfo
to check if a edge is hot or cold.

The hot cold information is propagated both to successors and to
predecessors.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108008

Files:
  llvm/lib/Transforms/IPO/AttributorAttributes.cpp

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