[PATCH] D94226: [ARM] Custom lower i1 vector truncates

[Dave Green via Phabricator via llvm-commits]

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

The ISel patterns we have for truncating to i1's under MVE do seem to be correct. Instead custom lower to icmp(ne, and(x, 1), 0).


https://reviews.llvm.org/D94226

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/test/CodeGen/Thumb2/mve-pred-ext.ll

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