[PATCH] D121623: [LV] Remove unneeded createHeaderBranch.(NFCI)

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: gilr, rengolin, Ayal.
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The only remaining use was to get the exit block of the loop. Instead of
relying on the loop, use ILV::LoopMiddleBlock directly to set
VPTransformState::CFG::LastBB.

Depends on D121621 <https://reviews.llvm.org/D121621>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121623

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/lib/Transforms/Vectorize/VPlan.cpp

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