[PATCH] D56636: [CodeGen][X86] Expand vector USUBSAT to UMAX+SUB

[Nikita Popov via Phabricator via llvm-commits]

nikic updated this revision to Diff 181471.
nikic added a comment.

Rename excessively long method name. Change handling of AVX splitting. Move AVX512 costs to right category (pmaxuq is in AVX512F, so these shouldn't be in the BW cateogory).


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56636/new/

https://reviews.llvm.org/D56636

Files:
  include/llvm/CodeGen/TargetLowering.h
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86TargetTransformInfo.cpp
  test/Analysis/CostModel/X86/arith-usat.ll
  test/CodeGen/X86/usub_sat_vec.ll

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