[PATCH] D113182: [VPlan] Wrap vector loop blocks in region.

[Florian Hahn via Phabricator via llvm-commits]

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

A first step towards modeling preheader and exit blocks in VPlan as well.
Keeping the vector loop in a region allows for changing the VF as we
traverse region boundaries.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113182

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-gep.ll
  llvm/test/Transforms/LoopVectorize/first-order-recurrence-sink-replicate-region.ll
  llvm/test/Transforms/LoopVectorize/icmp-uniforms.ll
  llvm/test/Transforms/LoopVectorize/vplan-dot-printing.ll
  llvm/test/Transforms/LoopVectorize/vplan-printing.ll
  llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge-vf1.ll
  llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll

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