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Author SHA1 Message Date
Andrew Trick 6b4d578f54 Fix a corner case in updating LoopInfo after fully unrolling an outer loop. 
The loop tree's inclusive block lists are painful and expensive to
update. (I have no idea why they're inclusive). The design was
supposed to handle this case but the implementation missed it and my
unit tests weren't thorough enough.

Fixes PR11335: loop unroll update.

llvm-svn: 144970
 2011-11-18 03:42:41 +00:00
Andrew Trick 4a31ba3bae -unroll-scev flag removal 
llvm-svn: 139010
 2011-09-02 17:36:14 +00:00
Andrew Trick 2d8494a030 A slew of unit tests for the recent LoopInfo::updateUnloop feature 
checked in at r137276 and r137341.

llvm-svn: 137385
 2011-08-11 23:38:09 +00:00