[PATCH] D153548: [TTI][AArch64] Add basic vector_reduce_fmaximum/vector_reduce_fminimum costmodelling

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: RKSimon, anna, spatel, nikic.
Herald added subscribers: StephenFan, kristof.beyls.
Herald added a project: All.
dmgreen requested review of this revision.
Herald added a project: LLVM.

This adds some basic handling in TargetTransformInfo to treat vector_reduce_fminimum/vector_reduce_fmaximum similar to vector_reduce_fmax/vector_reduce_fmax, getting better costs via getMinMaxReductionCost.


https://reviews.llvm.org/D153548

Files:
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/test/Analysis/CostModel/AArch64/reduce-minmax.ll

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