[PATCH] D126338: [RISCV] Hoist VSETVLI out of some scalable loops

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

The use of vscale came from the scalable vector autovectorizer. llvm.vscale is VLEN/RISCV::RVVBitsPerBlock. Which I guess is the right VLMAX for SEW=RISCV::RVVBitsPerBlock where RISCV::RVVBitPerBlock is 64.


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  https://reviews.llvm.org/D126338/new/

https://reviews.llvm.org/D126338