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[FIRRTL] Add verifier of single MarkDUTAnnotation #7633

Merged
merged 1 commit into from
Sep 26, 2024
Merged

[FIRRTL] Add verifier of single MarkDUTAnnotation #7633

merged 1 commit into from
Sep 26, 2024

Commits on Sep 25, 2024

  1. [FIRRTL] Add verifier of single MarkDUTAnnotation 

    Add a CircuitOp verifier that guarantees that there is zero or one modules
annotated with a `MarkDUTAnnotation`.  This is important as many passes
assume that this is the case.  Moving this check into a verifier means
that logic checking this behavior in each pass can be removed.  I am
slightly concerned of the performance cost of doing this as examining the
annotations is non-trivial and this will cause that examination to now
happen more often.

Signed-off-by: Schuyler Eldridge <[email protected]>
    @seldridge
    seldridge committed Sep 25, 2024
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