[PATCH] D61773: [RISCV] Add CFI directives for RISCV prologue/epilog.

[Shiva Chen via Phabricator via llvm-commits]

shiva0217 added a comment.

Hi Kai,
We could also generate .cfi_restore for epilogue by:

  unsigned CFIIndex = MF->addFrameInst(MCCFIInstruction::createRestore(
      nullptr, MRI->getDwarfRegNum(Reg, 1)));
  BuildMI(MBB, MBBI, DL, TII.get(TargetOpcode::CFI_INSTRUCTION))
      .addCFIIndex(CFIIndex);


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61773/new/

https://reviews.llvm.org/D61773