---
id: pr-tilelang-1647
repo: tile-ai/tilelang
pr: 1647
title: '[Feat] Allow dangling producer in wasp pipeline planning (#1263)'
author: kurisu6912
date: '2026-01-09'
url: https://github.com/tile-ai/tilelang/pull/1647
source_category: upstream-code
architectures:
- sm100
tags:
- triton kernel
techniques:
- pipeline-stages
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: 326be4dd3f139c65b5cdb83eb4f0f6ec7d66f2a6
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/transform/warp_specialized_rewriter.cc
- testing/python/issue/test_tilelang_issue_1263.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1647
head_ref_oid: aa91188264bd2f048beaa0b547dedc1ac9529d9d
---
# [Feat] Allow dangling producer in wasp pipeline planning (#1263)

- Repository: `tile-ai/tilelang`
- PR: [1647](https://github.com/tile-ai/tilelang/pull/1647)
- 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/warp_specialized_rewriter.cc`
- `testing/python/issue/test_tilelang_issue_1263.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1647`
