[all-commits] [llvm/llvm-project] 167e7a: Implement DW_CFA_LLVM_* for Heterogeneous Debugging

[RamNalamothu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 167e7afcd52bc1438d60320ec1d1bc53b8eae4a3
      https://github.com/llvm/llvm-project/commit/167e7afcd52bc1438d60320ec1d1bc53b8eae4a3
  Author: RamNalamothu <VenkataRamanaiah.Nalamothu at amd.com>
  Date:   2021-06-14 (Mon, 14 Jun 2021)

  Changed paths:
    M llvm/include/llvm/BinaryFormat/Dwarf.def
    M llvm/include/llvm/DebugInfo/DWARF/DWARFDebugFrame.h
    M llvm/include/llvm/MC/MCDwarf.h
    M llvm/include/llvm/MC/MCStreamer.h
    M llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
    M llvm/lib/CodeGen/CFIInstrInserter.cpp
    M llvm/lib/CodeGen/MIRParser/MILexer.cpp
    M llvm/lib/CodeGen/MIRParser/MILexer.h
    M llvm/lib/CodeGen/MIRParser/MIParser.cpp
    M llvm/lib/CodeGen/MachineOperand.cpp
    M llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
    M llvm/lib/MC/MCAsmStreamer.cpp
    M llvm/lib/MC/MCDwarf.cpp
    M llvm/lib/MC/MCParser/AsmParser.cpp
    M llvm/lib/MC/MCStreamer.cpp
    M llvm/test/CodeGen/MIR/AArch64/cfi.mir
    A llvm/test/MC/ELF/cfi-llvm-def-cfa-aspace-errors.s
    A llvm/test/MC/ELF/cfi-llvm-def-cfa-aspace.s
    A llvm/test/tools/llvm-dwarfdump/X86/debug_frame_LLVM_def_cfa_aspace.s
    M llvm/unittests/DebugInfo/DWARF/DWARFDebugFrameTest.cpp

  Log Message:
  -----------
  Implement DW_CFA_LLVM_* for Heterogeneous Debugging

Add support in MC/MIR for writing/parsing, and DebugInfo.

This is part of the Extensions for Heterogeneous Debugging defined at
https://llvm.org/docs/AMDGPUDwarfExtensionsForHeterogeneousDebugging.html

Specifically the CFI instructions implemented here are defined at
https://llvm.org/docs/AMDGPUDwarfExtensionsForHeterogeneousDebugging.html#cfa-definition-instructions

Reviewed By: clayborg

Differential Revision: https://reviews.llvm.org/D76877