[PATCH] D125301: [LoopVectorize] Add option to use active lane mask for loop control flow

[David Sherwood via Phabricator via llvm-commits]

david-arm updated this revision to Diff 442552.
david-arm added a comment.

- Updated new VPActiveLaneMaskPHIRecipe::print function to write out the operands as well.
- Add a check to the vplan verifier that we only have one active lane mask phi recipe.
- Added a TODO above VPActiveLaneMaskPHIRecipe::execute to try to use VPWidenPHIRecipe.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125301/new/

https://reviews.llvm.org/D125301

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
  llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
  llvm/lib/Target/ARM/ARMTargetTransformInfo.h
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/lib/Transforms/Vectorize/VPlan.cpp
  llvm/lib/Transforms/Vectorize/VPlan.h
  llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
  llvm/lib/Transforms/Vectorize/VPlanValue.h
  llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions-tf.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-low-trip-count.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-forced.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-optsize.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
  llvm/test/Transforms/LoopVectorize/AArch64/tail-fold-uniform-memops.ll

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