---
id: pr-tilelang-1599
repo: tile-ai/tilelang
pr: 1599
title: '[Enhancement][Subtype] Enhance symbolic shape/stride handling for subtype'
author: LeiWang1999
date: '2026-01-04'
url: https://github.com/tile-ai/tilelang/pull/1599
source_category: upstream-code
architectures:
- sm100
tags:
- tile-dsl
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: e3c9a581bd3251e2ff97dc9f950732a90800e996
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/transform/arg_binder.cc
- testing/python/ir/test_ir_kernel_frame.py
- testing/python/language/test_tilelang_language_subtype.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1599
head_ref_oid: f35a2cf69dc0f312bb2a758faeed2e3886b9d18f
---
# [Enhancement][Subtype] Enhance symbolic shape/stride handling for subtype

- Repository: `tile-ai/tilelang`
- PR: [1599](https://github.com/tile-ai/tilelang/pull/1599)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `src/transform/arg_binder.cc`
- `testing/python/ir/test_ir_kernel_frame.py`
- `testing/python/language/test_tilelang_language_subtype.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1599`
