[all-commits] [llvm/llvm-project] 71884b: [AArch64] Transition from MCSymbolRefExpr::Variant...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 71884b63a413c7803fce8ec7bf2857938765f4e2
      https://github.com/llvm/llvm-project/commit/71884b63a413c7803fce8ec7bf2857938765f4e2
  Author: Fangrui Song <i at maskray.me>
  Date:   2025-04-04 (Fri, 04 Apr 2025)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
    M llvm/include/llvm/MC/MCAsmInfo.h
    M llvm/include/llvm/MC/MCExpr.h
    M llvm/lib/Target/AArch64/AArch64MCInstLower.cpp
    M llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
    M llvm/lib/Target/AArch64/AArch64TargetObjectFile.h
    M llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    M llvm/lib/Target/AArch64/Disassembler/AArch64ExternalSymbolizer.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64ELFObjectWriter.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCExpr.h
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp
    M llvm/test/MC/AArch64/coff-relocations.s
    M llvm/test/MC/AArch64/data-directive-specifier.s

  Log Message:
  -----------
  [AArch64] Transition from MCSymbolRefExpr::VariantKind constants

Shift ELF `@plt` and `@gotpcrel` references in data directives, as well as
Mach-O `@specifier` notations, to use `AArch64MCExpr::Specifier` constants.
This is a follow-up to #132595. COFF-specific specifiers are not moved
yet.

In addition, partition @-specifiers into COFF, ELF, and Mach-O, so that
mix-and-match is rejected at parse time.

ELF and Mach-O specifiers are distinct, with `None` being the only
shared value. For Mach-O-specific specifiers, we adopt the `M_xxx` naming
convention.

Pull Request: https://github.com/llvm/llvm-project/pull/133214



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