Owen Anderson 0db198d758 Clean ups for loop deletion based on Chris' feedback.
Also, use SCEV to determine the trip count of the loop, which is more powerful
and accurate that Loop::getTripCount.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51179 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-16 04:32:45 +00:00
..
2008-05-16 00:16:32 +00:00