paperchalice 837dc542b1 [CodeGen][NewPM] Split MachineDominatorTree into a concrete analysis result (#94571) ...

Prepare for new pass manager version of `MachineDominatorTreeAnalysis`.
We may need a machine dominator tree version of `DomTreeUpdater` to
handle `SplitCriticalEdge` in some CodeGen passes.

2024-06-11 21:27:14 +08:00

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