[all-commits] [llvm/llvm-project] a98dca: [ADT] Extract DenseMapStorage from DenseMap (NFC) ...

[Kazu Hirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a98dcad4fed01b7d1d2f3a5306a30d658059c431
      https://github.com/llvm/llvm-project/commit/a98dcad4fed01b7d1d2f3a5306a30d658059c431
  Author: Kazu Hirata <kazu at google.com>
  Date:   2026-09-27 (Sun, 27 Sep 2026)

  Changed paths:
    M llvm/include/llvm/ADT/DenseMap.h
    M llvm/utils/LLVMVisualizers/llvm.natvis
    M llvm/utils/gdb-scripts/prettyprinters.py
    M llvm/utils/lldbDataFormatters.py

  Log Message:
  -----------
  [ADT] Extract DenseMapStorage from DenseMap (NFC) (#226664)

This patch extracts the bucket and occupancy storage management from
DenseMap into a new helper class, densemap::detail::DenseMapStorage,
and updates DenseMap to use it via composition.

DenseMapBase::Rep is also moved to densemap::detail::StorageRep so
that DenseMapStorage::getRep() can return it directly.

This is part of the effort to replace CRTP in DenseMapBase with
composition (see #168255).  I'm planning to post a similar patch for
SmallDenseMap before actually removing CRTP.



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