[llvm] [CFGPrinter] Add node id formater (PR #164623)

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Albert =?utf-8?q?Havliček?= <ahavlicek at azul.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/164623 at github.com>


https://github.com/Bertik23 ready_for_review https://github.com/llvm/llvm-project/pull/164623