[PATCH] D155845: [VPlan] Fix in-loop reduction chains using VPlan def-use chains (NFCI)

Florian Hahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 20 07:41:22 PDT 2023

fhahn created this revision.
fhahn added reviewers: Ayal, gilr, rengolin.
Herald added subscribers: StephenFan, tschuett, psnobl, rogfer01, bollu, hiraditya.
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fhahn requested review of this revision.
Herald added subscribers: wangpc, vkmr.
Herald added a project: LLVM.

Update adjustRecipesForReductions to directly use the VPlan def-use
chains for in-loop reductions to collect the reduction operations that
need adjusting.

This allows the removal of

- ReductionChainMap
- recording of recipes for instruction in the reduction chain
- removes late uses of getVPValue
- removes to need for removeVPValueFor.

  rG LLVM Github Monorepo



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