llvm / llvm/circt

[comb] Investigate porting XLS inspired optimizations

Open
#1,282 2 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

HW
Dominant language
C++
Stars
2.2k
Forks
524
Avg merge
3d 2h
Merged PRs (30d)
46

Description

The XLS project has a [number of nice optimizations](https://google.github.io/xls/optimizations/optimizations/), we should look to see if any make sense to implement at the comb level.

Contributor guide

No contributing guide indexed for this repository

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 by reviewing the linked XLS optimization catalog, then inspect the comb-level implementation in CIRCT to determine which optimizations are relevant. The issue is complete only when suitable optimizations have been identified and a concrete implementation scope is established.

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
25/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.