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Author SHA1 Message Date
Nadav Rotem 89c41bf06a SLPVectorizer: Sink and enable CSE for ExtractElements. 
llvm-svn: 186145
 2013-07-12 06:09:24 +00:00
Nadav Rotem 060be733a5 SLP Vectorizer: Add support for trees with external users. 
To support this we have to insert 'extractelement' instructions to pick the right lane.
We had this functionality before but I removed it when we moved to the multi-block design because it was too complicated.

llvm-svn: 185230
 2013-06-28 22:07:09 +00:00