[Mlir-commits] [mlir] [mlir][llvm] Drop unreachable basic block during import (PR #78467)

[Christian Ulmann]

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Dinistro wrote:

Maybe also add a test where the unreachable block branches to another reachable one. To ensure that the graph traversal isn't some connected component like thing.
I wonder what happens if there are phi-nodes involved that point to blocks that we will drop during the import.

https://github.com/llvm/llvm-project/pull/78467