---
id: pr-tilelang-1114
repo: tile-ai/tilelang
pr: 1114
title: '[Feature] Support None type as input for `T.ptr` and `T.Tensor`'
author: xwhzz
date: '2025-10-23'
url: https://github.com/tile-ai/tilelang/pull/1114
source_category: upstream-code
architectures:
- sm100
tags:
- matmul
techniques: []
hardware_features: []
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 50e789dd144c075679294cdd80d52b9d005778df
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- testing/python/jit/test_tilelang_jit_nullptr.py
- tilelang/jit/adapter/cython/cython_wrapper.pyx
- tilelang/language/allocate.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1114
head_ref_oid: 5466e7336a1627a00d08d782cb853308a4b61473
---
# [Feature] Support None type as input for `T.ptr` and `T.Tensor`

- Repository: `tile-ai/tilelang`
- PR: [1114](https://github.com/tile-ai/tilelang/pull/1114)
- 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

- `testing/python/jit/test_tilelang_jit_nullptr.py`
- `tilelang/jit/adapter/cython/cython_wrapper.pyx`
- `tilelang/language/allocate.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1114`
