[PATCH] D121624: [VPlan] Model pre-header explicitly (WIP).

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 415801.
fhahn added a comment.

Fix VPlan-native path. Prevously, VPlan-native VPlans had an empty pre-header as part of the main vector loop region. That has been fixed now and all code dealing with native VPlans has been updated. This removes a few places where we had to distinguish between inner loop and VPlan-native plans until now.

All tests are now updated as well and the patch is ready for review.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121624/new/

https://reviews.llvm.org/D121624

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/lib/Transforms/Vectorize/VPlan.cpp
  llvm/lib/Transforms/Vectorize/VPlan.h
  llvm/lib/Transforms/Vectorize/VPlanHCFGBuilder.cpp
  llvm/lib/Transforms/Vectorize/VPlanHCFGBuilder.h
  llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-gep.ll
  llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll
  llvm/test/Transforms/LoopVectorize/X86/small-size.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
  llvm/unittests/Transforms/Vectorize/VPlanTestBase.h

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