[PATCH] D118688: [LV] Allow a scalable VF for the epilogue.

[Sander de Smalen via Phabricator via llvm-commits]

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For some reason we limited the epilogue VF to be fixed-width, but there
is not necessarily a reason for doing so. If the main VF=vscale x 16, the
epilogue VF could be either fixed-width, or a scalable VF upto vscale x 8.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118688

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/sve-epilog-vect.ll

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