[PATCH] D79418: [LSR][ARM] Add new TTI hook to mark some LSR chains as profitable

[Pierre van Houtryve via Phabricator via llvm-commits]

Pierre-vh updated this revision to Diff 263435.
Pierre-vh marked 2 inline comments as done.
Pierre-vh added a comment.

- Simplified the `vctp-chains.ll` test: removed useless attributes
- Added codegen test to test the whole pipeline (based on the `vctpi32` test from `vctp-chains.ll`)


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79418/new/

https://reviews.llvm.org/D79418

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/ARM/ARMTargetTransformInfo.cpp
  llvm/lib/Target/ARM/ARMTargetTransformInfo.h
  llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/lsr-profitable-chain.ll
  llvm/test/Transforms/LoopStrengthReduce/ARM/vctp-chains.ll

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