[PATCH] D45395: [RISCV] Implement tail call optimization

[Mandeep Singh Grang via Phabricator via llvm-commits]

mgrang created this revision.
mgrang added reviewers: asb, apazos.
Herald added subscribers: zzheng, shiva0217, kito-cheng, niosHD, sabuasal, jordy.potman.lists, simoncook, johnrusso, rbar, kristof.beyls.

This patch implements tail call optimization. This has been modeled after ARM's tail call opt.


Repository:
  rL LLVM

https://reviews.llvm.org/D45395

Files:
  lib/Target/RISCV/RISCVAsmPrinter.cpp
  lib/Target/RISCV/RISCVISelLowering.cpp
  lib/Target/RISCV/RISCVISelLowering.h
  lib/Target/RISCV/RISCVInstrInfo.cpp
  lib/Target/RISCV/RISCVInstrInfo.td
  lib/Target/RISCV/RISCVRegisterInfo.td
  test/CodeGen/RISCV/disable-tail-calls.ll
  test/CodeGen/RISCV/tail-calls.ll

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