About

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.

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FAQ
Lexicon

{doc}FAQ : Frequently asked questions.

{doc}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.

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GettingStartedTutorials
Reference
UserGuides
DiscourseMigrationGuide

{doc}GettingStartedTutorials : For those new to the LLVM system.

{doc}UserGuides : User guides and How-tos.

{doc}Reference : LLVM and API reference documentation.

{doc}DiscourseMigrationGuide : Guide for users to migrate to Discourse

Community

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

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GettingInvolved
RFCProcess
ProjectGovernance
  • {doc}GettingInvolved

  • {ref}development-process

  • {doc}RFCProcess

  • {doc}ProjectGovernance

  • {ref}lists-forums

  • {ref}meetups-social-events

  • {ref}community-proposals

    Reporting a security issue

  • {ref}report-security-issue

Indices and tables

  • {ref}genindex
  • {ref}search