llvm / llvm/circt

[HW][Module parameters] Support type parameters

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HW
Dominant language
C++
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Merged PRs (30d)
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Description

We don't currently support modules with type parameters (according to https://circt.llvm.org/docs/Dialects/HW/RationaleHW/#parameterized-types). This would be incredibly useful for some use cases.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the HW dialect rationale on parameterized types linked in the issue and inspect the existing module-parameter handling in CIRCT. Determine the required design for type parameters and identify the relevant implementation and test locations. Done means modules with type parameters are supported and covered by tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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