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1f60e8293a
Summary: This change splits `makeICmpRegion` into `makeAllowedICmpRegion` and `makeSatisfyingICmpRegion` with slightly different contracts. The first one is useful for determining what values some expression //may// take, given that a certain `icmp` evaluates to true. The second one is useful for determining what values are guaranteed to //satisfy// a given `icmp`. Reviewers: nlewycky Reviewed By: nlewycky Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D8345 llvm-svn: 232575