[PATCH] D129687: [SystemZ][z/OS] Implement detection and handling for XPLInk Leaf procedures.

[Neumann Hon via Phabricator via llvm-commits]

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This PR adds support for creating leaf functions when there are no CSRs used, no function calls are made, no stack frame is acquired, and contain no try/catch/throw statements.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129687

Files:
  llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
  llvm/lib/Target/SystemZ/SystemZFrameLowering.h
  llvm/test/CodeGen/SystemZ/call-zos-01.ll
  llvm/test/CodeGen/SystemZ/call-zos-vec.ll
  llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll

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