---
id: pr-tilelang-1414
repo: tile-ai/tilelang
pr: 1414
title: '[Enhancement] Introduce `T.__ldg`'
author: LeiWang1999
date: '2025-12-12'
url: https://github.com/tile-ai/tilelang/pull/1414
source_category: upstream-code
architectures:
- sm100
tags:
- benchmark_test
- compiler_runtime
- cuda backend
techniques:
- cache-policy
hardware_features: []
kernel_types:
- compiler
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: 6f67da84bc6236e63ec3fbe43aaf594fc3a29814
inclusion_reason: Mine shape sets, tolerance rules, warmup logic, and profile commands before mutating code.
changed_paths:
- src/op/builtin.cc
- src/op/builtin.h
- src/target/codegen_cuda.cc
- src/target/codegen_hip.cc
- testing/python/language/test_tilelang_language_intrinsics_codegen.py
- tilelang/language/__init__.py
- tilelang/language/builtin.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1414
head_ref_oid: 175e7e9f6c87099aee5fd06bd0572db90bfc6645
---
# [Enhancement] Introduce `T.__ldg`

- Repository: `tile-ai/tilelang`
- PR: [1414](https://github.com/tile-ai/tilelang/pull/1414)
- Decision: `Mine shape sets, tolerance rules, warmup logic, and profile commands before mutating code.`
- Reason: Mine shape sets, tolerance rules, warmup logic, and profile commands before mutating code.

## Changed Paths

- `src/op/builtin.cc`
- `src/op/builtin.h`
- `src/target/codegen_cuda.cc`
- `src/target/codegen_hip.cc`
- `testing/python/language/test_tilelang_language_intrinsics_codegen.py`
- `tilelang/language/__init__.py`
- `tilelang/language/builtin.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1414`
