[PATCH] D87280: [ARM] Try to rematerialize VCTP instructions

[Sam Parker via Phabricator via llvm-commits]

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

We really want to try and avoid spilling P0, which can be difficult since there's only one register, so try to rematerialize any VCTP instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87280

Files:
  llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
  llvm/lib/Target/ARM/ARMBaseInstrInfo.h
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/cond-vector-reduce-mve-codegen.ll
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/remat-vctp.ll

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