Nadav Rotem 6b41f7cc4c Refactor 'vectorizeLoop' no functionality change.
This patch merges LoopVectorize of InnerLoopVectorizer and InnerLoopUnroller by adding checks for VF=1. This helps in erasing the Unroller code that is almost identical to the InnerLoopVectorizer code.

llvm-svn: 189391
2013-08-27 18:52:47 +00:00
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