[Mlir-commits] [mlir] Reland "[mlir][reducer] Add eraseRedundantBlocksInRegion and getSuccessorForwardOperands API to BranchOpInterface" (PR #189253)

[Mehdi Amini]

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joker-eph wrote:

```suggestion
      Operation *targetTerminator = mapper.lookup(branchTerminator);
```

https://github.com/llvm/llvm-project/pull/189253