Summary:
This change turns on by default interleaved access vectorization
for AArch64.
We also clean up some tests which were spedifically enabling this
behaviour.
Reviewers: rengolin
Subscribers: aemerson, llvm-commits, rengolin
Differential Revision: http://reviews.llvm.org/D12149
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246542
91177308-0d34-0410-b5e6-
96231b3b80d8