[PATCH] D101945: [LV] Add -scalable-vectorization=<option> flag.

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen updated this revision to Diff 343640.
sdesmalen added a comment.

- Added `SK_Undefined` to fix the case where 'vectorize.width' is specified, but 'vectorize.scalable.enable' is not. In the previous revision of this patch, it would default to the value of the flag, which when set to 'preferred' would cause loops with `#pragma clang loop vectorize_width(4)` to be vectorized with VF=vscale x 4. This is now resolved (and tested).
- Also renamed `disableScalableVectorization` -> `isScalableVectorizationDisabled`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101945/new/

https://reviews.llvm.org/D101945

Files:
  llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
  llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/masked-op-cost.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-call.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-strict-fadd.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-vf-analysis.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-vf-hint.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-basic-vec.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-cond-inv-loads.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-extract-last-veclane.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-gather-scatter.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-inductions.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-inv-loads.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-large-strides.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-masked-loadstore.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-type-conv.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-vector-reverse-mask4.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-vector-reverse.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll
  llvm/test/Transforms/LoopVectorize/RISCV/scalable-vf-hint.ll
  llvm/test/Transforms/LoopVectorize/metadata-width.ll
  llvm/test/Transforms/LoopVectorize/optimal-epilog-vectorization-scalable.ll
  llvm/test/Transforms/LoopVectorize/scalable-loop-unpredicated-body-scalar-tail.ll
  llvm/test/Transforms/LoopVectorize/scalable-vf-hint.ll

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