[all-commits] [llvm/llvm-project] e25ed0: [LV] Use buildScalarSteps to also handle VF = 1. (...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e25ed058bc234673357c2d92e6aaf732f355e66f
      https://github.com/llvm/llvm-project/commit/e25ed058bc234673357c2d92e6aaf732f355e66f
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2022-10-20 (Thu, 20 Oct 2022)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/scalarize-store-with-predication.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll
    M llvm/test/Transforms/LoopVectorize/float-induction.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-non-void.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-stores.ll
    M llvm/test/Transforms/LoopVectorize/interleave-and-scalarize-only.ll
    M llvm/test/Transforms/LoopVectorize/pr45679-fold-tail-by-masking.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp-predicated.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-vectorization-factor-1.ll

  Log Message:
  -----------
  [LV] Use buildScalarSteps to also handle VF = 1. (NFCI)

The code in buildScalarSteps already properly handles creating the
scalar induction values with VF = 1. Use it directly instead of using
extra code to handle that case.

Suggested by @Ayal in D133760.