[PATCH] D94189: [ARM] Update isVMOVNOriginalMask to handle single input shuffle vectors

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: SjoerdMeijer, samtebbs, efriedma, ostannard, simon_tatham.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
dmgreen requested review of this revision.
Herald added a project: LLVM.

The isVMOVNOriginalMask was previously only checking for two input shuffles that could be better expanded as vmovn nodes. This expands that to single input shuffles that will later be legalized to multiple vectors.


https://reviews.llvm.org/D94189

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

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