Andrew Trick 9a26e1320b LoopVectorize fix: LoopInfo must be valid when invoking utils like SCEVExpander.
In general, one should always complete CFG modifications first, update
CFG-based analyses, like Dominatores and LoopInfo, then generate
instruction sequences.

LoopVectorizer was creating a new loop, calling SCEVExpander to
generate checks, then updating LoopInfo. I just changed the order.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186241 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-13 06:20:06 +00:00
..
2013-07-11 01:55:55 +00:00