[PATCH] [ARM] Use AEABI aligned function variants

[John Brawn]

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.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D8060

Files:
  lib/Target/ARM/ARMSelectionDAGInfo.cpp
  lib/Target/ARM/ARMSelectionDAGInfo.h
  test/CodeGen/ARM/memfunc.ll

EMAIL PREFERENCES
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