[PATCH] D55373: [LSR] Generate formulae to enable more indexed accesses

[Sam Parker via Phabricator via llvm-commits]

samparker updated this revision to Diff 185268.
samparker added a comment.

Made some simplifications:

- reset isProfitableChain.
- reset FinalizeChain so that the tail is added to the chain again.
- removed the CollapseUnrolled option because with the reset in changes, it wasn't really interesting.

I'll post the updated performance numbers.


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-loop-indexing.ll
  test/CodeGen/ARM/loop-align-cortex-m.ll
  test/CodeGen/ARM/loop-indexing.ll

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