[circt-reduce] Add DropNames Preserving None Pass #5713
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Add the DropNames pass to circt-reduce with the option to drop all names.
This has the benefit of letting canonicalizers/folders go ham. This was
observed as a missed opportunity on a recent reduction that left many
connections like the following:
node b = a
node c = b
node d = c
Dropping names causes all of these to get folded away and dramatically
reduced the final, already very small, reduced design (by 50%).
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>
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Add the DropNames pass to circt-reduce with the option to drop all names. This has the benefit of letting canonicalizers/folders go ham. This was observed as a missed opportunity on a recent reduction that left many connections like the following:
Dropping names causes all of these to get folded away and dramatically reduced the final, already very small, reduced design (by 50%).