[all-commits] [llvm/llvm-project] 17e846: AArch64: Replace AArch64MCExpr with MCSpecifierExpr

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 17e8465a3eb0cae48b9f62d27fd26f2b070f1f9b
      https://github.com/llvm/llvm-project/commit/17e8465a3eb0cae48b9f62d27fd26f2b070f1f9b
  Author: Fangrui Song <i at maskray.me>
  Date:   2025-06-20 (Fri, 20 Jun 2025)

  Changed paths:
    M bolt/lib/Target/AArch64/AArch64MCPlusBuilder.cpp
    M llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
    M llvm/lib/Target/AArch64/AArch64MCInstLower.cpp
    M llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64AsmBackend.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64ELFObjectWriter.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCCodeEmitter.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCExpr.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCExpr.h
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp

  Log Message:
  -----------
  AArch64: Replace AArch64MCExpr with MCSpecifierExpr

Replace AArch64MCExpr, which encodes expressions with relocation
specifiers, with the new generic MCSpecifierExpr interface, aligning
with other targets by phasing out target-specific XXXMCExpr classes.

Temporarily convert AArch64MCExpr to a namespace to avoid renaming
`AArch64MCExpr::VK_` constants in this PR. A follow-up patch will rename
these to `AArch64::S_` to match the convention used by other targets.

Move helper functions to AArch64MCAsmInfo.h, with the goal of eventually
removing AArch64MCExpr.h.

Pull Request: https://github.com/llvm/llvm-project/pull/144632



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