[all-commits] [llvm/llvm-project] 898129: Move PowerPC-specific absolute MCSymbolRefExpr::Va...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 89812985358784b16fb66928ad4da411386f4720
      https://github.com/llvm/llvm-project/commit/89812985358784b16fb66928ad4da411386f4720
  Author: Fangrui Song <i at maskray.me>
  Date:   2025-03-04 (Tue, 04 Mar 2025)

  Changed paths:
    M llvm/include/llvm/MC/MCExpr.h
    M llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
    M llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp
    M llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
    M llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp
    M llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.h
    M llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp

  Log Message:
  -----------
  Move PowerPC-specific absolute MCSymbolRefExpr::VariantKind to PPCMCExpr

This cleans up @l @ha optimization in PPCAsmParser and is also the first
step toward removing VK_PPC_* from the generic MCSymbolRefExpr::VariantKind.

Basically we ensure that @l @ha family modifiers always lead to
PPCMCExpr and avoid MCSymbolRefExpr::VariantKind. This allows us
to delete a lot of switch statements that involve a long list of VK_PPC_LO/VK_PPC_HI/...



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