[PATCH] D111653: [z/OS] Implement save of non-volatile registers on z/OS XPLINK

[Neumann Hon via Phabricator via llvm-commits]

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This PR implements the save of the XPLINK callee-saved registers on z/OS.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D111653

Files:
  llvm/lib/Target/SystemZ/SystemZCallingConv.td
  llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
  llvm/lib/Target/SystemZ/SystemZFrameLowering.h
  llvm/lib/Target/SystemZ/SystemZMachineFunctionInfo.h
  llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
  llvm/lib/Target/SystemZ/SystemZRegisterInfo.h
  llvm/lib/Target/SystemZ/SystemZSubtarget.h
  llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll

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