David Peixotto 472b05b36c Ignore annotation function calls in cost computation ...

The annotation instructions are dropped during codegen and have no
impact on size.  In some cases, the annotations were preventing the
unroller from unrolling a loop because the annotation calls were
pushing the cost over the unrolling threshold.

Differential Revision: http://reviews.llvm.org/D5335

llvm-svn: 218525

2014-09-26 17:48:40 +00:00

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