[llvm-commits] [PATCH] [ADT] Add poly_iterator. A polymorphic iterator.

[Michael Spencer]

Hi chandlerc,

This class allows polymorphically accepting any iterator type with a specific value_type and compatible iterator_category at runtime.

The main purpose for this is cleaning up the Object interface by getting rid of DataRefImpl.

http://llvm-reviews.chandlerc.com/D314

Files:
  include/llvm/ADT/PolyIterator.h
  unittests/ADT/CMakeLists.txt
  unittests/ADT/PolyIteratorTest.cpp
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