[PATCH] D55373: [LSR] Generate formulae to enable more post-incs

[Sam Parker via Phabricator via llvm-commits]

samparker updated this revision to Diff 177872.
samparker added a comment.

I've moved the logic under the control of a new TTI flag as it seems that the current shouldFavourPostInc is trying to achieve different things. Hopefully I've also addressed Gil's comments.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55373/new/

https://reviews.llvm.org/D55373

Files:
  include/llvm/Analysis/TargetTransformInfo.h
  include/llvm/Analysis/TargetTransformInfoImpl.h
  lib/Analysis/TargetTransformInfo.cpp
  lib/Target/ARM/ARMTargetTransformInfo.h
  lib/Transforms/Scalar/LoopStrengthReduce.cpp
  test/CodeGen/ARM/dsp-post-incs.ll
  test/CodeGen/ARM/loop-align-cortex-m.ll
  test/Transforms/LoopStrengthReduce/ARM/complexity.ll

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