[PATCH] D104857: [ARM] Add an extra fold for f32 extract(vdup(i32))
Dave Green via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 24 07:18:25 PDT 2021
dmgreen created this revision.
dmgreen added reviewers: samtebbs, SjoerdMeijer, NickGuy, simon_tatham, ostannard.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
dmgreen requested review of this revision.
Herald added a project: LLVM.
This adds another small fold for extract of a vdup, between a i32 and a f32, converting to a BITCAST. This allows some extra folding to happen, simplifying the resulting code.
https://reviews.llvm.org/D104857
Files:
llvm/lib/Target/ARM/ARMISelLowering.cpp
llvm/test/CodeGen/Thumb2/mve-vst4.ll
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