* Add unroll loop functionality and corresponding test case
- Introduced a new `UnrollLoop` function in the transform module to unroll loops based on various configuration options.
- Added a test case in `test_tilelang_language_unroll.py` to validate the behavior of `T.unroll` with only the extent parameter, ensuring correct kernel generation with unroll pragmas.
* Refactor unroll kernel implementation and update test case
- Changed the kernel function in `test_tilelang_language_unroll.py` to use a new `unroll_kernel` function that compiles and returns the output tensor, improving clarity and structure.
- Updated the `OptimizeForTarget` function in `phase.py` to ensure the `UnrollLoop` transformation is applied correctly, maintaining consistency in optimization phases.
* lint fix
* lint fix
Lei Wang
9936636438