[all-commits] [llvm/llvm-project] 8f65e7: [Dwarf] Support `__ptrauth` qualifier in metadata ...

[Daniil Kovalev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8f65e7b917c580d1b58b024db6fc889cbcd964c7
      https://github.com/llvm/llvm-project/commit/8f65e7b917c580d1b58b024db6fc889cbcd964c7
  Author: Daniil Kovalev <dkovalev at accesssoftek.com>
  Date:   2024-03-01 (Fri, 01 Mar 2024)

  Changed paths:
    M llvm/include/llvm/IR/DIBuilder.h
    M llvm/include/llvm/IR/DebugInfoMetadata.h
    M llvm/lib/AsmParser/LLParser.cpp
    M llvm/lib/Bitcode/Reader/MetadataLoader.cpp
    M llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
    M llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
    M llvm/lib/IR/AsmWriter.cpp
    M llvm/lib/IR/DIBuilder.cpp
    M llvm/lib/IR/DebugInfo.cpp
    M llvm/lib/IR/DebugInfoMetadata.cpp
    M llvm/lib/IR/LLVMContextImpl.h
    M llvm/lib/IR/Verifier.cpp
    M llvm/test/Assembler/debug-info.ll
    A llvm/test/DebugInfo/AArch64/ptrauth.ll
    M llvm/unittests/IR/MetadataTest.cpp
    M mlir/lib/Target/LLVMIR/DebugTranslation.cpp

  Log Message:
  -----------
  [Dwarf] Support `__ptrauth` qualifier in metadata nodes (#82363)

Emit `__ptrauth`-qualified types as `DIDerivedType` metadata nodes in IR
with tag `DW_TAG_LLVM_ptrauth_type`, baseType referring to the type
which has the qualifier applied, and the following parameters
representing the signing schema:

- `ptrAuthKey` (integer)
- `ptrAuthIsAddressDiscriminated` (boolean)
- `ptrAuthExtraDiscriminator` (integer)
- `ptrAuthIsaPointer` (boolean)
- `ptrAuthAuthenticatesNullValues` (boolean)

Co-authored-by: Ahmed Bougacha <ahmed at bougacha.org>



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