Subsystem Documentation

• 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.

• LLVM Alias Analysis Infrastructure

  Information on how to write a new alias analysis implementation or how to use existing analyses.

• 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.

• Exception Handling in LLVM

  This document describes the design and implementation of exception handling in LLVM.

• LLVM bugpoint tool: design and usage

  Automatic bug finder and test-case reducer description and usage information.

• LLVM Bitcode File Format

  This describes the file format and encoding used for LLVM “bc” files.

• System Library

  This document describes the LLVM System Library (<tt>lib/System</tt>) and how to keep LLVM source code portable

• LLVM Link Time Optimization: Design and Implementation

  This document describes the interface between LLVM intermodular optimizer and the linker and its design

• The LLVM gold plugin

  How to build your programs with link-time optimization on Linux.

• Debugging JIT-ed Code With GDB

  How to debug JITed code with GDB.

• LLVM Branch Weight Metadata

  Provides information about Branch Prediction Information.

• Segmented Stacks in LLVM

  This document describes segmented stacks and how they are used in LLVM.

• Howto: Implementing LLVM Integrated Assembler

  A simple guide for how to implement an LLVM integrated assembler for an architecture.

• LLVM’s Optional Rich Disassembly Output

  This document describes the optional rich disassembly output syntax.