[llvm] [SLSR] Skipping rewriting based on liveness (PR #218470)

[Igor Wodiany via llvm-commits]

IgWod wrote:

Thank you for providing the compile-time analysis, it's good to see the compilation time didn't accidentally explode. I left one more small comment, but otherwise I don't have any more questions. I'll let others review and comment on this change

https://github.com/llvm/llvm-project/pull/218470