[Utility][Relax] Implemented InjectDebugCallback transform #17282
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In general, intermediate values produced while evaluating Relax
functions are not visible to an end user. While this provides
stronger guarantees to the compiler, it can make debugging difficult.
For example, if an end-to-end model is producing incorrect results, it
can be difficult to determine which step of the model first introduced
an error.
This commit implements `relax.transform.InjectDebugCallback`, which
adds a `debug_callback` parameter to each externally-exposed function
of an `IRModule`. This callback is called with the name and value of
each variable binding within the function bodies, allowing
error-checking to be added. For example, a binding of `B =
R.add(A,A)` would be followed by `debug_callback("B", B)`.
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In general, intermediate values produced while evaluating Relax functions are not visible to an end user. While this provides stronger guarantees to the compiler, it can make debugging difficult. For example, if an end-to-end model is producing incorrect results, it can be difficult to determine which step of the model first introduced an error.
This commit implements
relax.transform.InjectDebugCallback, which adds adebug_callbackparameter to each externally-exposed function of anIRModule. This callback is called with the name and value of each variable binding within the function bodies, allowing error-checking to be added. For example, a binding ofB = R.add(A,A)would be followed bydebug_callback("B", B).