---
id: pr-triton-10127
repo: triton-lang/triton
pr: 10127
title: Fixing splitClusterBefore implicit-insert bug
author: mydatascience
date: '2026-05-15'
url: https://github.com/triton-lang/triton/pull/10127
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types:
- gemm
languages:
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: 7d4c7ce5e255597fc9f1a76d1b49daab3fb2d8ab
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- lib/Dialect/TritonGPU/Transforms/Pipeliner/Schedule.cpp
- test/TritonGPU/pipeline-split-cluster-unscheduled-op.mlir
artifact_dir: evidence/pull-bundles/triton/gh-10127
head_ref_oid: f0a3098cf1bcba0f7988ae2d6ed18b6ee77bfaa4
---
# Fixing splitClusterBefore implicit-insert bug

- Repository: `triton-lang/triton`
- PR: [10127](https://github.com/triton-lang/triton/pull/10127)
- 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

- `lib/Dialect/TritonGPU/Transforms/Pipeliner/Schedule.cpp`
- `test/TritonGPU/pipeline-split-cluster-unscheduled-op.mlir`

## Evidence Bundle

`evidence/pull-bundles/triton/gh-10127`
