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Visibility analysis: contracted DAG on a subset of edges in the def use DAG - #5105
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…se DAG This data structure represents the subset of nodes that some `edges` are incident on as well as which nodes have at least one path through the full DAG that is not cut by `edges`. This is useful for efficiently computing visibility expressions and in a followup is used to heavily optimize VisibilityAnalysis PiperOrigin-RevId: 995282036
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Visibility analysis: contracted DAG on a subset of edges in the def use DAG
This data structure represents the subset of nodes that some
edgesare incident on as well as which nodes have at least one path through the full DAG that is not cut byedges. This is useful for efficiently computing visibility expressions and in a followup is used to heavily optimize VisibilityAnalysis