[PATCH] D80127: [ARM][MachineOutliner] Add LR RegSave mode.

[Yvan Roux via Phabricator via llvm-commits]

yroux created this revision.
yroux added reviewers: paquette, samparker, efriedma.
Herald added subscribers: llvm-commits, danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.

Outline chunks of code which need to save and restore the link register when a spare register can be used to it.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D80127

Files:
  llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
  llvm/lib/Target/ARM/ARMBaseInstrInfo.h
  llvm/test/CodeGen/ARM/machine-outliner-lr-regsave.mir

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