John Brawn 70605f7d22 [ARM] Use AEABI aligned function variants ...

AEABI defines aligned variants of memcpy etc. that can be faster than
the default version due to not having to do alignment checks. When
emitting target code for these functions make use of these aligned
variants if possible. Also convert memset to memclr if possible.

Differential Revision: http://reviews.llvm.org/D8060

llvm-svn: 237127

2015-05-12 13:13:38 +00:00

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