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Summary: LAA currently generates a set of SCEV predicates that must be checked by users. In the case of Loop Distribute/Loop Load Elimination, no such predicates could have been emitted, since we don't allow stride versioning. However, in the future there could be SCEV predicates that will need to be checked. This change adds support for SCEV predicate versioning in the Loop Distribute, Loop Load Eliminate and the loop versioning infrastructure. Reviewers: anemet Subscribers: mssimpso, sanjoy, llvm-commits Differential Revision: http://reviews.llvm.org/D14240 llvm-svn: 252467
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