[PATCH] D105413: [ARM] Add lowering of uadd_sat to uq{add|sub}8 and uq{add|sub}16

[Daniel Egger via Phabricator via llvm-commits]

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This follow the lead of https://reviews.llvm.org/D68974 to add lowering
of unsigned saturated addition/subtraction.

Signed-off-by: Daniel Egger <daniel at eggers-club.de>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D105413

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/lib/Target/ARM/ARMISelLowering.h
  llvm/lib/Target/ARM/ARMInstrInfo.td
  llvm/lib/Target/ARM/ARMInstrThumb2.td
  llvm/test/CodeGen/ARM/uadd_sat.ll
  llvm/test/CodeGen/ARM/uadd_sat_plus.ll
  llvm/test/CodeGen/ARM/usub_sat.ll
  llvm/test/CodeGen/ARM/usub_sat_plus.ll

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