[PATCH] D76066: [ARM][MachineOutliner] Add Machine Outliner support for ARM

[Yvan Roux via Phabricator via llvm-commits]

yroux created this revision.
yroux added reviewers: t.p.northover, efriedma, paquette, samparker, SjoerdMeijer.
Herald added subscribers: llvm-commits, cfe-commits, danielkiss, hiraditya, kristof.beyls.
Herald added projects: clang, LLVM.

Enables Machine Outlining support on ARM for ARM and Thumb2 modes.  Only the
simplest outlining modes (tailcalls and thunks) are handled here, the patch
also disables LowOverheadLoops pass when the machine outliner is used since
outlined functions are not supprted by this pass.

This is a follow-up of ARM Machine Outliner support RFC D57054 <https://reviews.llvm.org/D57054>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D76066

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  llvm/include/llvm/CodeGen/TargetPassConfig.h
  llvm/lib/CodeGen/MachineOutliner.cpp
  llvm/lib/CodeGen/TargetPassConfig.cpp
  llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
  llvm/lib/Target/ARM/ARMBaseInstrInfo.h
  llvm/lib/Target/ARM/ARMTargetMachine.cpp
  llvm/test/CodeGen/ARM/machine-outliner-tail.ll
  llvm/test/CodeGen/ARM/machine-outliner-thunk.ll

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