Elena Demikhovsky 8410bf33a6 Loop vectorization with uniform load
Vectorization cost of uniform load wasn't correctly calculated.
As a result, a simple loop that loads a uniform value wasn't vectorized.

Differential Revision: http://reviews.llvm.org/D18940

llvm-svn: 265901
2016-04-10 16:53:19 +00:00
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