[all-commits] [llvm/llvm-project] 97a32f: MC: Add MCSpecifierExpr to unify target MCExprs

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 97a32f2ad9ded95806db1dcfc281f64b0c1874a6
      https://github.com/llvm/llvm-project/commit/97a32f2ad9ded95806db1dcfc281f64b0c1874a6
  Author: Fangrui Song <i at maskray.me>
  Date:   2025-06-07 (Sat, 07 Jun 2025)

  Changed paths:
    M llvm/include/llvm/MC/MCExpr.h
    M llvm/lib/MC/MCExpr.cpp
    M llvm/lib/MC/MCParser/AsmParser.cpp
    M llvm/lib/MC/MCStreamer.cpp
    M llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.cpp
    M llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCExpr.cpp
    M llvm/lib/Target/M68k/MCTargetDesc/M68kMCExpr.cpp
    M llvm/lib/Target/M68k/MCTargetDesc/M68kMCExpr.h
    M llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
    M llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
    M llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
    M llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
    M llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
    M llvm/lib/Target/VE/AsmParser/VEAsmParser.cpp

  Log Message:
  -----------
  MC: Add MCSpecifierExpr to unify target MCExprs

Many targets define MCTargetExpr subclasses just to encode an expression
with a relocation specifier. Create a generic MCSpecifierExpr to be
inherited instead. Migrate M68k and SPARC as examples.



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