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...ea than using SetVector/MapVector for Value* keys. For SUnits we could just key on NodeNum. Go ahead and file a bug and/or submit a patch. Thanks! -Andy -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20121016/48a22da7/attachment.html>

Andy, This is less of a question but rather a status quo verification. We currently have certain indeterminism in MI scheduler DAG construction - it is introduces by the use of std::map/std::set during edge traversal. Result - a random variation in SUnit edge order (which will remain fixed thereafter). Logically, it is the same DAG, but topologically it is a slightly different one,