[PATCH] D128342: [AArch64][LoopVectorize] Disable tail-folding for SVE when loop has interleaved accesses

[David Sherwood via Phabricator via llvm-commits]

david-arm updated this revision to Diff 445758.
david-arm retitled this revision from "[LoopVectorize] Disable tail-folding when masked interleaved accesses are unavailable" to "[AArch64][LoopVectorize] Disable tail-folding for SVE when loop has interleaved accesses".
david-arm edited the summary of this revision.
david-arm added a comment.
Herald added subscribers: shiva0217, tschuett.

- Changed to using the TTI hook 'preferPredicateOverEpilogue' in order to make the decision about whether to use tail-folding or not. This requires refactoring the LoopVectorizer.cpp code a little in order to pass in the InterleaveAccessInfo object.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128342/new/

https://reviews.llvm.org/D128342

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/Analysis/VectorUtils.h
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
  llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
  llvm/lib/Target/ARM/ARMTargetTransformInfo.h
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-option.ll

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