[Mlir-commits] [mlir] [mlir][RemoveDeadValues] Replace dead function argument uses with poison (PR #208881)

[Matthias Springer]

https://github.com/matthias-springer approved this pull request.

I'm wondering why `-remove-dead-values` does not erase the remaining function body. Given that "private" functions that are not called are considered unreachable.

In any case, this PR is fixing a crash and is improving the situation a bit.


https://github.com/llvm/llvm-project/pull/208881