.. _subsystems: Subsystem Documentation ======================= .. toctree:: :hidden: AliasAnalysis BitCodeFormat BranchWeightMetadata Bugpoint CodeGenerator ExceptionHandling LinkTimeOptimization SegmentedStacks TableGenFundamentals DebuggingJITedCode GoldPlugin MarkedUpDisassembly * `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. * :ref:`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. * :ref:`tablegen` Describes the TableGen tool, which is used heavily by the LLVM code generator. * :ref:`alias_analysis` 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. * :ref:`exception_handling` This document describes the design and implementation of exception handling in LLVM. * :ref:`bugpoint` Automatic bug finder and test-case reducer description and usage information. * :ref:`bitcode_format` This describes the file format and encoding used for LLVM "bc" files. * `System Library `_ This document describes the LLVM System Library (lib/System) and how to keep LLVM source code portable * :ref:`lto` This document describes the interface between LLVM intermodular optimizer and the linker and its design * :ref:`gold-plugin` How to build your programs with link-time optimization on Linux. * :ref:`debugging-jited-code` How to debug JITed code with GDB. * :ref:`branch_weight` Provides information about Branch Prediction Information. * :ref:`segmented_stacks` 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. .. _`Howto: Implementing LLVM Integrated Assembler`: http://www.embecosm.com/download/ean10.html * :ref:`marked_up_disassembly` This document describes the optional rich disassembly output syntax.