[all-commits] [llvm/llvm-project] cf8efb: [VPlan] Wrap vector loop blocks in region.

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cf8efbd30e430fdd87a8120430d8e44ce0909f76
      https://github.com/llvm/llvm-project/commit/cf8efbd30e430fdd87a8120430d8e44ce0909f76
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2021-11-20 (Sat, 20 Nov 2021)

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

  Log Message:
  -----------
  [VPlan] Wrap vector loop blocks in region.

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.

Reviewed By: Ayal

Differential Revision: https://reviews.llvm.org/D113182