[all-commits] [llvm/llvm-project] 5129b3: [BOLT] Make FoldedIntoFunction always point to roo...

[Maksim Panchenko via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5129b3c4494e00fa915a356ec65e649bb7ff6916
      https://github.com/llvm/llvm-project/commit/5129b3c4494e00fa915a356ec65e649bb7ff6916
  Author: Maksim Panchenko <maks at fb.com>
  Date:   2026-02-11 (Wed, 11 Feb 2026)

  Changed paths:
    M bolt/include/bolt/Core/BinaryFunction.h
    M bolt/lib/Passes/IdenticalCodeFolding.cpp
    M bolt/lib/Rewrite/RewriteInstance.cpp

  Log Message:
  -----------
  [BOLT] Make FoldedIntoFunction always point to root parent (#180855)

After ICF folds functions, FoldedIntoFunction may point to a function
that was also folded. Add a post-processing step at the end of ICF to
flatten all chains so FoldedIntoFunction always points to the ultimate
root parent (a function that is not itself folded).



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