Sanjay Patel c325a497d8 [SLPVectorizer] Try different vectorization factors for store chains ...

...and set max vector register size based on target 

This patch is based on discussion on the llvmdev mailing list:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-July/087405.html

and also solves:
https://llvm.org/bugs/show_bug.cgi?id=17170

Several FIXME/TODO items are noted in comments as potential improvements.

Differential Revision: http://reviews.llvm.org/D10950

llvm-svn: 241760

2015-07-08 23:40:55 +00:00

..

lit.local.cfg

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simplebb.ll

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