Add quantization utility functions for PropagateQSVPass. #97470
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This change introduces several helper functions to be used in the upcoming `PropagateQSVPass`. These functions provide core utilities for inspecting and manipulating quantization operations in the MLIR graph. The new functions include: - `IsProducedByDQ`: Checks if a value is the result of a `DequantizeOp`. - `IsDefiningQ`: Checks if a value's only use is a `QuantizeOp`. - `InsertQDQ`: Inserts a `QuantizeOp`/`DequantizeOp` pair for a given value. These helpers are essential for the logic in `PropagateQSVPass`, which will handle the propagation of quantization parameters. PiperOrigin-RevId: 786055947
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Add quantization utility functions for PropagateQSVPass.
This change introduces several helper functions to be used in the upcoming
PropagateQSVPass. These functions provide core utilities for inspecting and manipulating quantization operations in the MLIR graph.The new functions include:
IsProducedByDQ: Checks if a value is the result of aDequantizeOp.IsDefiningQ: Checks if a value's only use is aQuantizeOp.InsertQDQ: Inserts aQuantizeOp/DequantizeOppair for a given value.These helpers are essential for the logic in
PropagateQSVPass, which will handle the propagation of quantization parameters.