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...std::vector<std::pair<Loop*,Loop*> > interchangedLoops; This may not be the most reliable way to keep track of interchangedLoops. This vector must be recomputed if loop info is recreated. It must be updated if a loop is replaced or deleted by another pass. > void LoopInterchange::updateDominators ... However the pass does not preserve dominators info. > void LoopInterchange::removeChildLoop It is a good idea to use another name for this method to avoid any confusion with Loop::removeChildLoop. What is the difference between updateSSA() and updateSSAAgain() ? - Devang -----------...

Hi,   I developed a Loop Interchange pass. Please take a look. I have not incorporate data dependence analysis check. I can insert it when the LoopDependenceAnalysis is available.   Thank you Satya -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20100713/654d5fd5/attachment.html> --------------