gemini-code-assist[bot] commented on PR #18511: URL: https://github.com/apache/tvm/pull/18511#issuecomment-3580678185
## Summary of Changes Hello @Hzfengsy, I'm Gemini Code Assist[^1]! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces a significant new debugging utility by adding a `DumpIR` pass instrument. This instrument allows developers to easily capture and inspect the state of the IR after each transformation pass, which is crucial for understanding complex compiler optimizations and pinpointing issues. Alongside this new feature, the PR also includes important refactoring by renaming a core `PassContext` component and performing general code cleanup, contributing to a more robust and maintainable codebase. ### Highlights * **New Pass Instrument: DumpIR**: A new pass instrument, `DumpIR`, has been added which automatically dumps the Intermediate Representation (IR) module to files after each pass execution. This is highly beneficial for debugging and understanding the transformations applied by passes. * **IR Snapshot Features**: The `DumpIR` instrument saves IR to sequentially numbered files (e.g., `000_PassName.py`, `001_PassName.py`). It includes an optional `refresh` parameter to clean the dump directory before starting, and a safe directory removal mechanism that only deletes the directory if it exclusively contains previously dumped IR files. Graceful error handling is also implemented for cases where IR script generation fails. * **PassContext Renaming**: The `RelayPassContextThreadLocalStore` has been renamed to `PassContextThreadLocalStore` to reflect its broader applicability beyond just Relay, improving clarity and consistency. * **Code Cleanup and Type Hinting**: Unused includes have been removed from `src/ir/transform.cc` and `src/tir/transforms/unroll_loop.cc`. Additionally, type hints have been added to the `run_after_pass` and `run_before_pass` methods of `PrintAfterAll` and `PrintBeforeAll` respectively, enhancing code readability and maintainability. <details> <summary><b>Using Gemini Code Assist</b></summary> <br> The full guide for Gemini Code Assist can be found on our [documentation page](https://developers.google.com/gemini-code-assist/docs/review-github-code), here are some quick tips. <b>Invoking Gemini</b> You can request assistance from Gemini at any point by creating a comment using either `/gemini <command>` or `@gemini-code-assist <command>`. Below is a summary of the supported commands on the current page. Feature | Command | Description --- | --- | --- Code Review | `/gemini review` | Performs a code review for the current pull request in its current state. Pull Request Summary | `/gemini summary` | Provides a summary of the current pull request in its current state. 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