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Author SHA1 Message Date
Arnold Schwaighofer 9611d23d63 SLPVectorizer: Try vectorizing 'splat' stores 
Vectorize sequential stores of a broadcasted value.
5% on eon.

radar://16124699

llvm-svn: 202067
 2014-02-24 19:52:29 +00:00
Yi Jiang 8fd1a806d5 Apply slp vectorization on fully-vectorizable tree of height 2 
llvm-svn: 191852
 2013-10-02 20:20:39 +00:00
Yi Jiang 582ba6c808 Test case for r191314. 
Some supplemental information for r191314: We would like to make sure SLP Vectorizer will not try to vectorize tiny trees even with a negative threshold so we set the cost to INT_MAX. 

llvm-svn: 191327
 2013-09-24 19:33:53 +00:00