Skip to content

[Builder] Enhance variable name binding and scope management #1378

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
LeiWang1999 merged 1 commit into from
Dec 6, 2025
Merged

[Builder] Enhance variable name binding and scope management #1378

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions tilelang/language/v2/builder.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -409,7 +409,14 @@ def bind(self, name, value, annot=BaseBuilder.empty):
if isinstance(value, tir.IntImm) and value.dtype == 'int32':
return value.value
if isinstance(value, (Var, Buffer)):
# Bind TVM Var/Buffer names and also record scope so reusing the same
# Python name (e.g., loop vars like `i`) across different for-frames
# works without triggering out-of-scope errors.
IRBuilder.name(name, value)
if name != '_':
frame = self.find_frame_idx(TIR_VAR_SCOPE_FRAME)
assert frame is not None, f"Variable `{name}` is not defined inside any control flow."
self.name_inside_frame[name] = self.frames[frame]
return value

# 3. Bind immutable tilelang objects
Expand Down
Loading