[PATCH] D142894: [LoopVectorize] Use overflow-check analysis to improve tail-folding.

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen updated this revision to Diff 499849.
sdesmalen added a comment.

Rebased to use `getMaxVScale` function introduced in rG9449deda12c4 <https://reviews.llvm.org/rG9449deda12c4842335497338c7f6928f1783c7e4>


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142894/new/

https://reviews.llvm.org/D142894

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
  llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
  llvm/lib/Target/ARM/ARMTargetTransformInfo.h
  llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/sve-low-trip-count.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-optsize.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-overflow-checks.ll
  llvm/test/Transforms/LoopVectorize/RISCV/low-trip-count.ll
  llvm/test/Transforms/LoopVectorize/RISCV/scalable-tailfold.ll
  llvm/test/Transforms/LoopVectorize/RISCV/short-trip-count.ll
  llvm/test/Transforms/LoopVectorize/RISCV/uniform-load-store.ll

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