[llvm-branch-commits] [llvm] [AMDGPU][NewPM] Port SILowerControlFlow pass into NPM. (PR #123045)

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paperchalice wrote:

In new pass manager it depends on `SomeAnalysis::Result::invalidate`. See https://llvm.org/docs/NewPassManager.html#implementing-analysis-invalidation
An analysis can always check related results by using [`PreservedAnalysisChecker`](https://llvm.org/doxygen/classllvm_1_1PreservedAnalyses_1_1PreservedAnalysisChecker.html) in `invalidate`.

https://github.com/llvm/llvm-project/pull/123045