[all-commits] [llvm/llvm-project] 0459f2: [ARM][MachineOutliner] Add default mode.

[yroux via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 0459f29e8b0f2f6de769a1e52840efb08a985439
      https://github.com/llvm/llvm-project/commit/0459f29e8b0f2f6de769a1e52840efb08a985439
  Author: Yvan Roux <yvan.roux at linaro.org>
  Date:   2020-08-20 (Thu, 20 Aug 2020)

  Changed paths:
    M llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
    M llvm/lib/Target/ARM/ARMBaseInstrInfo.h
    A llvm/test/CodeGen/ARM/machine-outliner-default.mir
    M llvm/test/CodeGen/ARM/machine-outliner-lr-regsave.mir

  Log Message:
  -----------
  [ARM][MachineOutliner] Add default mode.

Use the stack to save and restore the link register when there is no
available register to do it.

Differential Revision: https://reviews.llvm.org/D76069