[PATCH] D138232: Code for calculating number of loop peels based on phi invariance

[Jamie Schmeiser via Phabricator via llvm-commits]

jamieschmeiser created this revision.
jamieschmeiser added reviewers: mkazantsev, LoopOptWG.
Herald added subscribers: zzheng, hiraditya.
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Add code to analyze number of loop peels needed to make phis determined.

      

Rework the code for analyzing the number of peels necessary to make
phis deterministic.  Expand the algorithm to handle binary operators
acting on phi values as well as casts.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138232

Files:
  llvm/lib/Transforms/Utils/LoopPeel.cpp
  llvm/test/Transforms/LoopUnroll/peel-loop-phi-analysis.ll

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