[PATCH] D109368: [LV] Don't vectorize if we can prove RT + vector cost >= scalar cost.

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 432026.
fhahn added a comment.
Herald added a subscriber: zzheng.

Rebased on top of the other changes in this area (D122126 <https://reviews.llvm.org/D122126>, D119078 <https://reviews.llvm.org/D119078>). Those patches landed a while ago, so I think now would be a good time to move fowrad with this. Ping :)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109368/new/

https://reviews.llvm.org/D109368

Files:
  llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
  llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/runtime-check-size-based-threshold.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-forced.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
  llvm/test/Transforms/LoopVectorize/X86/gather_scatter.ll
  llvm/test/Transforms/LoopVectorize/X86/pointer-runtime-checks-unprofitable.ll
  llvm/test/Transforms/LoopVectorize/X86/pr23997.ll
  llvm/test/Transforms/LoopVectorize/X86/pr35432.ll
  llvm/test/Transforms/LoopVectorize/X86/pr54634.ll
  llvm/test/Transforms/LoopVectorize/X86/runtime-limit.ll

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