[Mlir-commits] [mlir] [mlir] Avoid rewriting unreachable blocks in the greedy driver (PR #225814)

[Matthias Springer]

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matthias-springer wrote:

Could this be a `SmallPtrSet` instead of a `SmallVector`? To avoid the `llvm::is_contained` check.

https://github.com/llvm/llvm-project/pull/225814