3 Subsystem Documentation
4 =======================
28 .. FIXME: once LangRef is Sphinxified, HowToUseInstrMappings should be put
29 under LangRef's toctree instead of this page's toctree.
31 * :doc:`WritingAnLLVMPass`
33 Information on how to write LLVM transformations and analyses.
35 * :doc:`WritingAnLLVMBackend`
37 Information on how to write LLVM backends for machine targets.
39 * :ref:`code_generator`
41 The design and implementation of the LLVM code generator. Useful if you are
42 working on retargetting LLVM to a new architecture, designing a new codegen
43 pass, or enhancing existing components.
47 Describes the TableGen tool, which is used heavily by the LLVM code
50 * :ref:`alias_analysis`
52 Information on how to write a new alias analysis implementation or how to
53 use existing analyses.
55 * :doc:`GarbageCollection`
57 The interfaces source-language compilers should use for compiling GC'd
60 * :doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
62 This document describes the design and philosophy behind the LLVM
63 source-level debugger.
65 * :ref:`exception_handling`
67 This document describes the design and implementation of exception handling
72 Automatic bug finder and test-case reducer description and usage
75 * :ref:`bitcode_format`
77 This describes the file format and encoding used for LLVM "bc" files.
79 * :doc:`System Library <SystemLibrary>`
81 This document describes the LLVM System Library (``lib/System``) and
82 how to keep LLVM source code portable
86 This document describes the interface between LLVM intermodular optimizer
87 and the linker and its design
91 How to build your programs with link-time optimization on Linux.
93 * :ref:`debugging-jited-code`
95 How to debug JITed code with GDB.
97 * :ref:`branch_weight`
99 Provides information about Branch Prediction Information.
101 * :ref:`segmented_stacks`
103 This document describes segmented stacks and how they are used in LLVM.
105 * `Howto: Implementing LLVM Integrated Assembler`_
107 A simple guide for how to implement an LLVM integrated assembler for an
110 .. _`Howto: Implementing LLVM Integrated Assembler`: http://www.embecosm.com/download/ean10.html
112 * :ref:`marked_up_disassembly`
114 This document describes the optional rich disassembly output syntax.