[all-commits] [llvm/llvm-project] c65088: [ELF] Simplify handling of exportDynamic and canBe...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c6508809585505ffb88f5f724da04bbc058eabf8
      https://github.com/llvm/llvm-project/commit/c6508809585505ffb88f5f724da04bbc058eabf8
  Author: Fangrui Song <i at maskray.me>
  Date:   2024-12-08 (Sun, 08 Dec 2024)

  Changed paths:
    M lld/ELF/InputFiles.cpp
    M lld/ELF/Relocations.cpp
    M lld/ELF/Symbols.cpp
    M lld/ELF/Symbols.h

  Log Message:
  -----------
  [ELF] Simplify handling of exportDynamic and canBeOmittedFromSymbolTable

When computing whether a defined symbol is exported, we set
`exportDynamic` in Defined and CommonSymbol's ctor and merge the bit in
symbol resolution. The complexity is for the LTO special case
canBeOmittedFromSymbolTable, which can be simplified by introducing a
new bit.

We might simplify the state by caching includeInDynsym in exportDynamic
in the future.



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