| About | 
 | ======== | 
 |  | 
 | .. warning:: | 
 |  | 
 |    If you are using a released version of LLVM, see `the download page | 
 |    <https://llvm.org/releases/>`_ 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. | 
 |  | 
 | .. toctree:: | 
 |    :hidden: | 
 |  | 
 |    FAQ | 
 |    Lexicon | 
 |  | 
 | :doc:`FAQ` | 
 |   Frequently asked questions. | 
 |  | 
 | :doc:`Lexicon` | 
 |   Glossary. | 
 |  | 
 | `Introduction to the LLVM Compiler`__ | 
 |   Presentation providing a users introduction to LLVM. | 
 |  | 
 |   .. __: https://llvm.org/pubs/2008-10-04-ACAT-LLVM-Intro.html | 
 |  | 
 | `Intro to LLVM`__ | 
 |   A chapter from the book "The Architecture of Open Source Applications" that | 
 |   describes high-level design decisions that shaped LLVM. | 
 |  | 
 |   .. __: http://www.aosabook.org/en/llvm.html | 
 |  | 
 |  | 
 | `LLVM: A Compilation Framework for Lifelong Program Analysis & Transformation`__ | 
 |   Design overview. | 
 |  | 
 |   .. __: https://llvm.org/pubs/2004-01-30-CGO-LLVM.html | 
 |  | 
 | `LLVM: An Infrastructure for Multi-Stage Optimization`__ | 
 |   More details (quite old now). | 
 |  | 
 |   .. __: https://llvm.org/pubs/2002-12-LattnerMSThesis.html | 
 |  | 
 | Documentation | 
 | ============= | 
 |  | 
 | Getting Started, How-tos, Developer Guides, and Tutorials. | 
 |  | 
 | .. toctree:: | 
 |    :hidden: | 
 |  | 
 |    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: | 
 |  | 
 | .. toctree:: | 
 |    :hidden: | 
 |  | 
 |    GettingInvolved | 
 |    QualGroup | 
 |  | 
 | * :doc:`GettingInvolved` | 
 | * :ref:`development-process` | 
 | * :ref:`lists-forums` | 
 | * :ref:`meetups-social-events` | 
 | * :ref:`community-proposals` | 
 |  | 
 |   Reporting a security issue | 
 |  | 
 | * :ref:`report-security-issue` | 
 |  | 
 | * :doc:`QualGroup` | 
 |  | 
 | Indices and tables | 
 | ================== | 
 |  | 
 | * :ref:`genindex` | 
 | * :ref:`search` |