Chris Lattner b52675b643 Add a new getPredicateOnEdge method which returns more rich information for
constant constraints.  Improve the LVI lattice to include inequality 
constraints.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86950 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12 04:36:58 +00:00
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