Documentation for the LLVM System

LLVM: A Compilation Framework for Lifelong Program Analysis & Transformation: - Describes the LLVM instruction set and compilation strategy. This should be the first document you read to get an overview of LLVM.
LLVM Reference Manual - Defines the LLVM intermediate representation, the assembly form of the different nodes, and provides reference information about the different tools in LLVM.
LLVM Bytecode File Format

The LLVM Getting Started Guide - Discusses how to get up and running quickly with the LLVM infrastructure. Everything from unpacking and compilation of the distribution to execution of some tools.
LLVM Command Guide - A reference manual for the LLVM command line utilities ("man" pages for LLVM tools).
Frequently Asked Questions - A list of common questions and problems and their solutions.
Release notes for the current release - This describes new features, known bugs, and other limitations.
How to Submit A Bug Report - Instructions for properly submitting information about any bugs you run into in the LLVM system.
LLVM Test Suite Guide - A reference manual for using the LLVM test suite.
How to build the C/C++ front-end - Instructions for building the front-end from source.
The LLVM Lexicon - Definition of acronyms, terms and concepts used in LLVM.
You can probably find help on the unofficial LLVM IRC channel. We often are on irc.oftc.net in the #llvm channel. If you are using the mozilla browser, and have chatzilla installed, you can join #llvm on irc.oftc.net directly.

The LLVM Programmers Manual - Introduction to the general layout of the LLVM sourcebase, important classes and APIs, and some tips & tricks.
LLVM Project Guide - How-to guide and templates for new projects that use the LLVM infrastructure. The templates (directory organization, Makefiles, and test tree) allow the project code to be located outside (or inside) the llvm/ tree, while using LLVM header files and libraries.
CommandLine library Reference Manual - Provides information on using the command line parsing library.
Recommended LLVM Coding standards - Details the LLVM coding standards and provides useful information on writing efficient C++ code.
Open Projects - Look here if you are interested in doing something with LLVM but aren't sure what needs to be done.
Extending LLVM - Look here to see how to add instructions and intrinsics to LLVM.
Coding Standards - Guidelines for hacking LLVM source.
Doxygen generated documentation ( classes)
CVSWeb CVS Tree Browser

Writing an LLVM Pass - Information on how to write LLVM transformations and analyses.
Writing an LLVM Backend - Information on how to write LLVM backends for machine targets.
The LLVM Target-Independent Code Generator - The design and implementation of the LLVM code generator. Useful if you are working on retargetting LLVM to a new architecture, designing a new codegen pass, or enhancing existing components.
TableGen Fundamentals - Describes the TableGen tool, which is used heavily by the LLVM code generator.
Alias Analysis in LLVM - Information on how to write a new alias analysis implementation or how to use existing analyses.
The Stacker Cronicles - This document describes both the Stacker language and LLVM frontend, but also some details about LLVM useful for those writing front-ends.
Accurate Garbage Collection with LLVM - The interfaces source-language compilers should use for compiling GC'd programs.
Source Level Debugging with LLVM - This document describes the design and philosophy behind the LLVM source-level debugger.
Bugpoint automatic bug finder and test-case reducer description and usage information.
Compiler Driver (llvmc) - This document describes the design and configuration of the LLVM compiler driver tool, llvmc.

The LLVM Announcements List: This is a low volume list that provides important announcements regarding LLVM. It gets email about once a month.
The Developer's List: This list is for people who want to be included in technical discussions of LLVM. People post to this list when they have questions about writing code for or using the LLVM tools. It is relatively low volume.
The Bugs & Patches Archive: This list gets emailed every time a bug is opened and closed, and when people submit patches to be included in LLVM. It is higher volume than the LLVMdev list.
The CVS Commits Archive: This list contains all commit messages that are made when LLVM developers commit code changes to the CVS archive. It is useful for those who want to stay on the bleeding edge of LLVM development. This list is very high volume.

LLVM Compiler Infrastructure
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