[PATCH] D32885: [ADT] Add BitVector::find_prev

[Zachary Turner via Phabricator via llvm-commits]

zturner created this revision.

  This almost completes the matrix of all possible find operations.
  
  *EXISTING*
  ----------
  find_first
  find_first_unset
  find_next
  find_next_unset
  find_last
  find_last_unset
  
  *NEW*
  ----
  find_prev
  
  *STILL MISSING*
  ---------------
  find_prev_unset


https://reviews.llvm.org/D32885

Files:
  llvm/include/llvm/ADT/BitVector.h
  llvm/include/llvm/ADT/SmallBitVector.h
  llvm/include/llvm/Support/MathExtras.h
  llvm/unittests/ADT/BitVectorTest.cpp

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