[PATCH] D108777: [SystemZ] [NFC] Add SystemZELFFrameLowering and SystemZXPLINKFrameLowering classes.

[Neumann Hon via Phabricator via llvm-commits]

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This patch adds class SystemZFrameLowering which is a SystemZ-specific class detailing special registers used by calling conventions on the target. SystemZELFFrameLowering and SystemZXPLINKFrameLowering implement this class for ELF and XPLINK64 respectively. Previous functionality in SystemZFrameLowering is moved to SystemZELFFrameLowering. SystemZXPLINKFrameLowering can then be implemented in future patches.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108777

Files:
  llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
  llvm/lib/Target/SystemZ/SystemZFrameLowering.h
  llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
  llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
  llvm/lib/Target/SystemZ/SystemZSubtarget.h

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