[PATCH] D115651: [LV] Enable scalable vectorization by default for SVE cores.

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen created this revision.
Herald added subscribers: ctetreau, CarolineConcatto, hiraditya, kristof.beyls, tschuett.
sdesmalen requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

The availability of SVE should be sufficient to enable scalable
auto-vectorization.

This patch adds a new TTI interface to query the target what style of
vectorization it wants when scalable vectors are available. For other
targets than AArch64, this currently defaults to 'FixedWidthOnly'.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115651

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
  llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/eliminate-tail-predication.ll
  llvm/test/Transforms/LoopVectorize/AArch64/first-order-recurrence.ll
  llvm/test/Transforms/LoopVectorize/AArch64/masked-op-cost.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-alloca.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-call.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-predicate-instruction.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-strict-fadd.ll
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-vectorization-cost-tuning.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-epilog-vect.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-illegal-type.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-inductions-unusual-types.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-inductions.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-inv-loads.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-inv-store.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-select-cmp.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-strict-fadd-cost.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.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-extractvalue.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-gep.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll

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