[XLA] Support nested fusions in HloFusionAdaptor #21258
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So far, we assumed that `HloComputationFusion` itself contains no fusion instructions. Adding support for that is one step towards a generic Triton emitter that uses nested fusions for the operands of some specific ops (`dot`, `reduce` and potentially `concat`). PiperOrigin-RevId: 714900385
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[XLA] Support nested fusions in HloFusionAdaptor
So far, we assumed that
HloComputationFusionitself contains no fusion instructions. Adding support for that is one step towards a generic Triton emitter that uses nested fusions for the operands of some specific ops (dot,reduceand potentiallyconcat).