[PATCH] D45853: [ADT] Teach reverse() about filter_iterator ranges

[Vedant Kumar via Phabricator via llvm-commits]

vsk updated this revision to Diff 143398.
vsk marked 4 inline comments as done.
vsk retitled this revision from "(WIP) Alternate approach to reversing filtered iterators" to "[ADT] Teach reverse() about filter_iterator ranges".
vsk edited the summary of this revision.
vsk added a comment.
Herald added a subscriber: JDevlieghere.

- Adopt design suggestions from Tim.
- Remove the Optional<PayloadType> wrapper, because the end iterator requires a predicate functor in the common case.


https://reviews.llvm.org/D45853

Files:
  include/llvm/ADT/STLExtras.h
  unittests/ADT/IteratorTest.cpp
  unittests/IR/BasicBlockTest.cpp

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