[PATCH] D130164: [LV] Support predicated div/rem operations via safe-divisor select idiom

[Philip Reames via Phabricator via llvm-commits]

reames updated this revision to Diff 448681.
reames added a comment.

Rework using VPInstruction as suggested by @fhahn.

I'm a bit unsure of the wiring for the VPInstruction.  It appears to work, but I'm basically just copying code I don't understand.  Careful review appreciated.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130164/new/

https://reviews.llvm.org/D130164

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-predicate-instruction.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
  llvm/test/Transforms/LoopVectorize/RISCV/scalable-divrem.ll

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