[PATCH] D95446: [ARM] Handle f16 in GeneratePerfectShuffle

Dave Green via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 26 07:33:21 PST 2021


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

This new f16 shuffle under Neon would hit an assert in GeneratePerfectShuffle as it would try to treat a f16 vector as an i8. Add f16 handling, treating them like an i16.


https://reviews.llvm.org/D95446

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/ARM/fp16-insert-extract.ll

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