verilator

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Geza Lore f3bace10ae Improve V3Premit performance etc. (#4736 )

- Enable creating constant pool entries for RHS of simple
  var = const assignments
- Never extract ArraySel (it's just pointer arithmetic)
- Remove unnecessary AstTraceInc precond child tree
- Always fully recurse expressions (fix transplanted from #4617)
- General cleanup

Overall the patch is performance neutral to slightly positive, but saves
~10% peak Verialtor memory usage due to not creating temporaries (which
are later expanded) for any ArraySels.

2023-12-06 09:42:46 -05:00