[PATCH] D65567: [ARM][ParallelDSP] Generate SMUAD

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: efriedma, SjoerdMeijer.
Herald added subscribers: zzheng, kristof.beyls, javed.absar.

Generate a SMUAD, instead of a SMLAD with a zero operand, if we don't find an incoming accumulator value for the parallel mac.


https://reviews.llvm.org/D65567

Files:
  lib/Target/ARM/ARMParallelDSP.cpp
  test/CodeGen/ARM/ParallelDSP/blocks.ll
  test/CodeGen/ARM/ParallelDSP/inner-full-unroll.ll

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