MaheshRavishankar 4435ced949 [mlir][TilingInterface] Allow controlling what fusion is done within tile and fuse (#76871) ...

Currently the `tileConsumerAndFuseProducerGreedilyUsingSCFFor` method
greedily fuses through all slices that are generated during the tile and
fuse flow. That is not the normal use case. Ideally the caller would
like to control which slices get fused and which dont. This patch
introduces a new field to the `SCFTileAndFuseOptions` to specify this
control.

The contol function also allows the caller to specify if the replacement
for the fused producer needs to be yielded from within the tiled
computation. This allows replacing the fused producers in case they have
other uses. Without this the original producers still survive negating
the utility of the fusion.

The change here also means that the name of the function
`tileConsumerAndFuseProducerGreedily...` can be updated. Defering that
to a later stage to reduce the churn of API changes.

2024-01-08 13:26:10 -08:00

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