---
id: pr-triton-10242
repo: triton-lang/triton
pr: 10242
title: Fix convert_layout lowering for CGA + slice layouts.
author: meinie0826
date: '2026-05-07'
url: https://github.com/triton-lang/triton/pull/10242
source_category: upstream-code
architectures:
- sm90
tags:
- cuda kernel
- hopper
- matmul
- tma
- triton kernel
techniques:
- async-copy
hardware_features:
- hopper
- tma
kernel_types:
- gemm
languages:
- cuda-cpp
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: af16bc11dfa7c89e2944e8ca397abae28ecb4dde
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- lib/Tools/GenericSwizzling.cpp
- python/test/gluon/test_lowerings.py
artifact_dir: evidence/pull-bundles/triton/gh-10242
head_ref_oid: 9e955659ffa1dcfbd8c561e1ff0f16d1d35a1279
---
# Fix convert_layout lowering for CGA + slice layouts.

- Repository: `triton-lang/triton`
- PR: [10242](https://github.com/triton-lang/triton/pull/10242)
- 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/Tools/GenericSwizzling.cpp`
- `python/test/gluon/test_lowerings.py`

## Evidence Bundle

`evidence/pull-bundles/triton/gh-10242`
