[PATCH] D121595: [LoopVectorize] Permit tail-folding for low trip counts using scalable vectors

[David Sherwood via Phabricator via llvm-commits]

david-arm updated this revision to Diff 425526.
david-arm edited the summary of this revision.
david-arm added a comment.

- Completely removed all restrictions on using tail-folding for scalable vectors.
- Added test to show we apply tail-folding when compiling with -Os


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121595/new/

https://reviews.llvm.org/D121595

Files:
  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/RISCV/low-trip-count.ll

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