[BugFix] Add PrimExpr substitution support for AttrStmt nodes

[LJC00118]

Summary by CodeRabbit

• Chores
  • Updated underlying compilation infrastructure to latest version for improved stability and performance.

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📝 Walkthrough

Walkthrough

The 3rdparty/tvm submodule reference is updated to a new commit, moving from 23bce012ffd255a24289eea6ceab74a40b94a096 to dcfe86ebb33380597e894acce08e818fcdb27b0a, incorporating upstream changes.

Changes

Cohort / File(s)	Summary
Submodule Update 3rdparty/tvm	Submodule commit reference updated to latest upstream version

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A hop, a skip, a commit so new,
TVM's updated through and through!
No changes here, just versions aligned,
Upstream progress, perfectly timed! 🚀

Pre-merge checks

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The PR title describes adding PrimExpr substitution support for AttrStmt nodes, but the actual change only updates a submodule reference in 3rdparty/tvm with no direct code changes visible.	Verify the PR title matches the actual changes made. If this is a submodule update, use a title like 'Update 3rdparty/tvm submodule' or clarify what the submodule update accomplishes.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 15c457f and d1bd90b.

📒 Files selected for processing (1)

• 3rdparty/tvm

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: Test for Python 3.12 with Metal (on macos-latest)

🔇 Additional comments (1)

3rdparty/tvm (1)

1-1: Submodule update is verified to contain the intended PrimExpr substitution support for AttrStmt nodes.

The commit dcfe86ebb33380597e894acce08e818fcdb27b0a adds PrimExpr substitution handling in src/tir/ir/stmt_functor.cc (5 added lines), extending the IRSubstitute function to properly handle PrimExpr nodes in AttrStmt objects. This is a minimal, focused change that follows existing substitution patterns.

Ensure integration tests pass with the updated submodule reference before merging.

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