[TVMScript] Normalize T.Bind to T.bind for statement builder convention

[tqchen]

Summary

• Rename T.Bind (capitalized) to T.bind (lowercase) to match TVMScript naming convention: statement builders use lowercase (T.evaluate, T.buffer_store, T.bind), expression constructors use capitalized (T.Cast, T.Select, T.Let)
• Keep Bind = bind backward-compat alias
• Update parser, printer references, and all test files

Test plan

• tvmscript tests (771 passed)
• tir-transform tests (346 passed)
• tir-base tests (224 passed)
• pre-commit lint passes

[gemini-code-assist]

Summary of Changes

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This pull request refactors the naming of a core TVMScript function to standardize its API. By transitioning T.Bind to T.bind, the change clarifies the function's role as a statement builder within the TVMScript ecosystem, improving consistency and readability for developers. The inclusion of a backward-compatibility alias ensures a smooth transition for existing codebases.

Highlights

• Naming Convention Enforcement: The T.Bind function has been renamed to T.bind to align with the TVMScript naming convention, where statement builders use lowercase names (e.g., T.evaluate, T.buffer_store) and expression constructors use capitalized names (e.g., T.Cast, T.Select).
• Backward Compatibility: A backward-compatibility alias Bind = bind was introduced to ensure existing code using T.Bind continues to function without immediate changes.
• Codebase Updates: All internal references to T.Bind in the IR builder, parser, and various test files have been updated to use the new T.bind convention.

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Changelog

• python/tvm/script/ir_builder/tir/ir.py
  • Renamed the Bind function to bind.
  • Added Bind = bind as a backward-compatibility alias.
  • Updated references within the let_stmt function and deprecated decorator to use bind.
• python/tvm/script/parser/tir/parser.py
  • Updated calls to T.Bind to T.bind in bind_assign_value and visit_ann_assign.
  • Modified a comment in visit_expr_stmt to reflect the T.bind naming.
• tests/python/s_tir/transform/test_s_tir_transform_thread_sync.py
  • Updated all instances of T.Bind to T.bind within test functions.
• tests/python/tir-analysis/test_tir_analysis_verify_well_formed.py
  • Replaced T.Bind with T.bind in various test cases for well-formedness verification.
• tests/python/tir-transform/test_tir_inline_private_functions.py
  • Changed T.Bind to T.bind in the expected output of the test_inline_private_functions test.
• tests/python/tir-transform/test_tir_transform_convert_ssa.py
  • Updated T.Bind calls to T.bind in test cases for SSA conversion.
• tests/python/tvmscript/test_tvmscript_ir_builder_tir.py
  • Updated the test function name and its internal T.Bind call to T.bind.
• tests/python/tvmscript/test_tvmscript_printer_tir.py
  • Modified the T.Bind call to T.bind within the test_bind function.
• tests/python/tvmscript/test_tvmscript_roundtrip.py
  • Changed T.Bind to T.bind in the bind_var test function.
• tests/python/tvmscript/test_tvmscript_syntax_sugar.py
  • Updated T.Bind to T.bind in test cases related to syntax sugar for let bindings.

Activity

• The author executed tvmscript tests, with 771 tests passing.
• The author executed tir-transform tests, with 346 tests passing.
• The author executed tir-base tests, with 224 tests passing.
• The author confirmed that pre-commit lint checks passed.

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[gemini-code-assist]

Code Review

This pull request refactors T.Bind to T.bind to align with TVMScript's naming convention for statement builders, where statement builders are lowercase. The change correctly introduces a backward-compatibility alias Bind = bind. The renaming has been consistently applied across the function definition, parser logic, and all relevant test files. The changes are correct and fulfill the purpose of the pull request.