[PATCH] D130618: [AArch64][LoopVectorize] Enable tail-folding by default for SVE

[David Sherwood via Phabricator via llvm-commits]

david-arm added a comment.

In D130618#3682600 <https://reviews.llvm.org/D130618#3682600>, @tschuett wrote:

> Is the restriction the vector length in disguise or is something really special, i.e., the N2 has short SVE vectors?

By 'restriction' are you referring to how this patch limits the types of loop we consider for tail-folding on the N1? This decision is based purely on the observed results from running benchmarks on hardware.


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https://reviews.llvm.org/D130618