llvm / llvm/circt

Need a test case for zero width memory elimination

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C++
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Description

The testcase checked in for this Issue #1104 was incorrectly - it was not zero width and not getting eliminated. We need an updated one.

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 by locating the testcase checked in for Issue #1104 and compare it with the zero-width memory scenario described here. Update the testcase so it is actually zero width and verifies that the memory is eliminated.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
compilers, testing
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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