Matthias Springer be630f07de [mlir][bufferize] Implement BufferizableOpInterface for tensor.empty ...

The op is not bufferizable but should be analyzable (for `EliminateEmptyTensors`, which uses the bufferization infrastructure).

Also improve debugging functionality and error messages.

Also adds a missing pass to the sparse pipeline. (tensor.empty should be replaced with bufferization.alloc_tensor, but it sometimes used to work without depending on how the tensor.empty is used. Now we always fail explicitly.)

2022-12-12 14:19:38 +01:00

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