[PATCH] D129361: [MVE] Don't distribute add of vecreduce if it has more than one use

[John Brawn via Phabricator via llvm-commits]

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If the add has more than one use then applying the transformation won't cause it to be removed, so we can end up applying it again causing an infinite loop.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129361

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/Thumb2/mve-vecreduce-add-combine.ll

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