llvm-testing-tools
LLVM Testing Tools
Decision gist · record as of 2026-08-14
Yes, if you need FileCheck or split-file for testing. The package has low install friction, no dependencies, active maintenance, and serves a clear purpose in the LLVM ecosystem. The only caveat is that license treatment is marked unclear—review the Apache-2.0 WITH LLVM-exception terms for your use case before committing to it in a restricted context.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.8 or later.
- Low install friction with no runtime dependencies.
- Active maintenance status and recent release.
License · maintenance · safety
Apache-2.0 WITH LLVM-exception (unclear) — Licensed under Apache-2.0 WITH LLVM-exception, a permissive license with LLVM-specific exception terms. License treatment is marked unclear in the metadata, so you may want to review the actual license text before use in proprietary or restricted contexts.
last release 2026-03-27 (140 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 113,886 downloads/mo, #12,322 on PyPI
Alternatives
Verify before relying
pip install llvm-testing-tools==23.0.0
from llvm_testing_tools import FileCheck
# Use FileCheck for pattern matching in test output- Whether FileCheck and split-file are exposed as importable modules or only as command-line entry points.
- What specific testing workflows or LLVM runtime builds this package is designed to support.
- Whether the package includes documentation or examples for typical usage patterns.
What it is and what it does
llvm-testing-tools packages LLVM's FileCheck utility and split-file tool as a PyPI-installable Python package. These are low-level testing utilities commonly used in LLVM and compiler infrastructure projects to validate test output and manage test files. The package aims to let runtime builds and other projects use these tools without needing to bootstrap a full LLVM build system.
The package has no runtime dependencies, making it lightweight to install. It supports Python 3.8 and later. With 113886 monthly downloads and a position in the top 15000 packages, it appears to serve a real need in the LLVM ecosystem and related projects that depend on these testing tools.
Use it for
- Validate compiler or interpreter test output using FileCheck pattern matching in CI/CD pipelines.
- Split and organize test files in LLVM-based projects without requiring a full LLVM build.
- Support testing infrastructure for language runtimes that depend on LLVM testing conventions.
- Automate test file management in projects that use LLVM's testing patterns but not the full toolchain.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need FileCheck or split-file for testing.
The package has low install friction, no dependencies, active maintenance, and serves a clear purpose in the LLVM ecosystem. The only caveat is that license treatment is marked unclear—review the Apache-2.0 WITH LLVM-exception terms for your use case before committing to it in a restricted context.
Install
llvm-testing-tools on PyPI
Before you install
Low install friction with no runtime dependencies. Active maintenance status and recent release. Requires Python 3.8 or later.
Requires Python 3.8 or later.
License in practice
Licensed under Apache-2.0 WITH LLVM-exception, a permissive license with LLVM-specific exception terms. License treatment is marked unclear in the metadata, so you may want to review the actual license text before use in proprietary or restricted contexts.
Quickstart
pip install llvm-testing-tools==23.0.0
from llvm_testing_tools import FileCheck
# Use FileCheck for pattern matching in test outputVerify before relying
- Whether FileCheck and split-file are exposed as importable modules or only as command-line entry points.
- What specific testing workflows or LLVM runtime builds this package is designed to support.
- Whether the package includes documentation or examples for typical usage patterns.
Package facts
| License | Apache-2.0 WITH LLVM-exception unclear |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 140 days since the last release |
| First released | |
| Downloads | 113,886 / month, #12,322 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: llvm_testing_tools-23.0.0-py3-none-any.whl
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See also filecheck · lit · clang-format · clang-tidy · llvmlite · libclang · clang · checkmk-dev-tools · clangd-tidy · puccinialin