[all-commits] [llvm/llvm-project] 11496f: [ADT] Remove unused DenseMapInfo::getEmptyKey (#20...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 11496fa35dfdf9a84c82d2c6181e54caf7288fce
      https://github.com/llvm/llvm-project/commit/11496fa35dfdf9a84c82d2c6181e54caf7288fce
  Author: Fangrui Song <i at maskray.me>
  Date:   2026-06-06 (Sat, 06 Jun 2026)

  Changed paths:
    M llvm/include/llvm/ADT/APFixedPoint.h
    M llvm/include/llvm/ADT/APInt.h
    M llvm/include/llvm/ADT/APSInt.h
    M llvm/include/llvm/ADT/ArrayRef.h
    M llvm/include/llvm/ADT/BitVector.h
    M llvm/include/llvm/ADT/CachedHashString.h
    M llvm/include/llvm/ADT/DenseMapInfo.h
    M llvm/include/llvm/ADT/DenseMapInfoVariant.h
    M llvm/include/llvm/ADT/Hashing.h
    M llvm/include/llvm/ADT/ImmutableList.h
    M llvm/include/llvm/ADT/PointerEmbeddedInt.h
    M llvm/include/llvm/ADT/PointerIntPair.h
    M llvm/include/llvm/ADT/PointerSumType.h
    M llvm/include/llvm/ADT/PointerUnion.h
    M llvm/include/llvm/ADT/SmallBitVector.h
    M llvm/include/llvm/ADT/SmallVector.h
    M llvm/include/llvm/ADT/StringRef.h
    M llvm/include/llvm/Support/FileSystem/UniqueID.h
    M llvm/include/llvm/Support/TypeSize.h
    M llvm/include/llvm/Support/UniqueBBID.h
    M llvm/include/llvm/Support/VersionTuple.h
    M llvm/lib/Support/StringRef.cpp
    M llvm/unittests/ADT/DenseMapTest.cpp
    M llvm/unittests/ADT/DenseSetTest.cpp
    M llvm/unittests/ADT/MapVectorTest.cpp
    M llvm/unittests/Support/ReverseIterationTest.cpp

  Log Message:
  -----------
  [ADT] Remove unused DenseMapInfo::getEmptyKey (#201998)

After #201281 DenseMapInfo<T>::getEmptyKey() is no longer used by
DenseMap. Remove the unused getEmptyKey definitions and dead sentinel
uses.



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