[PATCH] D112922: [ARM] Treat MVE gather add-like-or's like adds

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: samtebbs, anwel.
Herald added subscribers: hiraditya, kristof.beyls.
dmgreen requested review of this revision.
Herald added a project: LLVM.

LLVM has the habit of turning adds with no common bits set into ors, which means we need to detect them and treat them like adds again in the MVE gather/scatter lowering pass.


https://reviews.llvm.org/D112922

Files:
  llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp
  llvm/test/CodeGen/Thumb2/mve-gather-increment.ll
  llvm/test/CodeGen/Thumb2/mve-scatter-increment.ll

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