[PATCH] D95433: [ARM] Mark MVE_VMOV_to_lane_32 as isInsertSubregLike
Dave Green via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 26 03:18:50 PST 2021
dmgreen created this revision.
dmgreen added reviewers: efriedma, simon_tatham, SjoerdMeijer, ostannard, NickGuy.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
dmgreen requested review of this revision.
Herald added a project: LLVM.
This allows the peephole optimizer to know that a MVE_VMOV_to_lane_32 is the same as an insert subreg, allowing it to optimize some redundant lane moves.
https://reviews.llvm.org/D95433
Files:
llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
llvm/lib/Target/ARM/ARMInstrMVE.td
llvm/test/CodeGen/Thumb2/mve-vecreduce-add.ll
llvm/test/CodeGen/Thumb2/mve-vecreduce-mla.ll
llvm/test/CodeGen/Thumb2/mve-vld3.ll
llvm/test/CodeGen/Thumb2/mve-vst3.ll
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