onnx_ir.analysis

Analysis utilities for ONNX IR graphs.

onnx_ir.analysis.analyze_implicit_usage(graph)

Analyze implicit usage of values in sub-graphs.

This function returns a mapping from each sub-graph to a set of :class:`~onnx_ir.Value`s that are captured from outer scopes (i.e., not defined within the sub-graph itself).

Parameters:

graph (Graph) – The graph to analyze.

Returns:

A dictionary mapping sub-graphs to sets of implicitly used values.

Return type:

dict[Graph, set[Value]]