About — LLVM 21.1.8 documentation

# About

Warning

If you are using a released version of LLVM, see the download page to find your documentation.

The LLVM compiler infrastructure supports a wide range of projects, from industrial strength compilers to specialized JIT applications to small research projects.

Similarly, documentation is broken down into several high-level groupings targeted at different audiences:

# LLVM Design & Overview

Several introductory papers and presentations.

Frequently Asked Questions (FAQ)

  Frequently asked questions.

The LLVM Lexicon

  Glossary.

Introduction to the LLVM Compiler

  Presentation providing a users introduction to LLVM.

Intro to LLVM

  A chapter from the book “The Architecture of Open Source Applications” that describes high-level design decisions that shaped LLVM.

LLVM: A Compilation Framework for Lifelong Program Analysis & Transformation

  Design overview.

LLVM: An Infrastructure for Multi-Stage Optimization

  More details (quite old now).

# Documentation

Getting Started, How-tos, Developer Guides, and Tutorials.

Getting Started/Tutorials

  For those new to the LLVM system.

User Guides

  User guides and How-tos.

Reference

  LLVM and API reference documentation.

Discourse Migration Guide

  Guide for users to migrate to Discourse

# Community

LLVM welcomes contributions of all kinds. To learn more, see the following articles:

- Getting Involved

- Development Process

- Forums & Mailing Lists

- Meetups and social events

- Community wide proposals

  Reporting a security issue

- How to report a security issue?

- LLVM Qualification Group

# Indices and tables

- Index

- Search Page