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Document the loop vectorizer changes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174585 91177308-0d34-0410-b5e6-96231b3b80d8
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Nadav Rotem 2013-02-07 05:42:31 +00:00
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docs/ReleaseNotes.rst
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@ -52,6 +52,21 @@ Non-comprehensive list of changes in this release
easy-to-write reStructuredText. See `llvm/docs/README.txt` for more
information.
Loop Vectorizer
---------------
We've continued the work on the loop vectorizer. The loop vectorizer now has the following features:
# Loops with unknown trip count.
# Runtime checks of pointers
# Reductions, Inductions
# If Conversion
# Pointer induction variables
# Reverse iterators
# Vectorization of mixed types
# Vectorization of function calls
# Partial unrolling during vectorization
We've also improved the X86 and ARM cost model.
* ... next change ...
.. NOTE