[all-commits] [llvm/llvm-project] 4af2e3: [CodeGen][NVPTX] Add a TRI function get the Dwarf ...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4af2e36b1dcd03cae07a74038e4cd424bdac04aa
      https://github.com/llvm/llvm-project/commit/4af2e36b1dcd03cae07a74038e4cd424bdac04aa
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2025-02-27 (Thu, 27 Feb 2025)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetRegisterInfo.h
    M llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
    M llvm/lib/Target/NVPTX/NVPTXRegisterInfo.cpp
    M llvm/lib/Target/NVPTX/NVPTXRegisterInfo.h

  Log Message:
  -----------
  [CodeGen][NVPTX] Add a TRI function get the Dwarf register number for a virtual register. (#129017)

NVPTX needs to be able to get the Dwarf register number for a virtual
register. The interface we have for this today is on MCRegisterInfo and
take a MCRegister argument. It shouldn't be legal to convert a Register
containing a virtual register to an MCRegister.

This patch adds a getDwarfRegNumForVirtReg function that takes a
Register to TRI and splits the NVPTX override of getDwarfRegNum.



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