llvm-for-llvmta/docs/UserGuides.rst

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User Guides
===========
NOTE: If you are a user who is only interested in using an LLVM-based compiler,
you should look into `Clang <https://clang.llvm.org>`_ instead. The
documentation here is intended for users who have a need to work with the
intermediate LLVM representation.
.. contents::
:local:
.. toctree::
:hidden:
AddingConstrainedIntrinsics
AdvancedBuilds
AliasAnalysis
AMDGPUUsage
Benchmarking
BigEndianNEON
BuildingADistribution
CFIVerify
CMake
CMakePrimer
CodeGenerator
CodeOfConduct
CommandLine
CompileCudaWithLLVM
CoverageMappingFormat
DebuggingJITedCode
Docker
ExtendingLLVM
GoldPlugin
HowToBuildOnARM
HowToBuildWithPGO
HowToCrossCompileBuiltinsOnArm
HowToCrossCompileLLVM
HowToUpdateDebugInfo
LinkTimeOptimization
LoopTerminology
MarkdownQuickstartTemplate
MemorySSA
MergeFunctions
MCJITDesignAndImplementation
NVPTXUsage
Phabricator
Passes
ReportingGuide
Remarks
SourceLevelDebugging
StackSafetyAnalysis
SupportLibrary
TableGen/index
TableGenFundamentals
Vectorizers
WritingAnLLVMPass
WritingAnLLVMNewPMPass
WritingAnLLVMBackend
yaml2obj
Clang
-----
:doc:`HowToBuildOnARM`
Notes on building and testing LLVM/Clang on ARM.
:doc:`HowToBuildWithPGO`
Notes on building LLVM/Clang with PGO.
:doc:`HowToCrossCompileLLVM`
Notes on cross-building and testing LLVM/Clang.
`How to build the C, C++, ObjC, and ObjC++ front end`__
Instructions for building the clang front-end from source.
.. __: https://clang.llvm.org/get_started.html
:doc:`CoverageMappingFormat`
This describes the format and encoding used for LLVMs code coverage mapping.
:doc:`CFIVerify`
A description of the verification tool for Control Flow Integrity.
LLVM Builds and Distributions
-----------------------------
:doc:`BuildingADistribution`
A best-practices guide for using LLVM's CMake build system to package and
distribute LLVM-based tools.
:doc:`CMake`
An addendum to the main Getting Started guide for those using the `CMake
build system <http://www.cmake.org>`_.
:doc:`Docker`
A reference for using Dockerfiles provided with LLVM.
:doc:`Support Library <SupportLibrary>`
This document describes the LLVM Support Library (``lib/Support``) and
how to keep LLVM source code portable.
:doc:`AdvancedBuilds`
This document describes more advanced build configurations.
Optimizations
-------------
:doc:`WritingAnLLVMPass`
Information on how to write LLVM transformations and analyses.
:doc:`WritingAnLLVMNewPMPass`
Information on how to write LLVM transformations under the new pass
manager.
:doc:`Passes`
A list of optimizations and analyses implemented in LLVM.
:doc:`StackSafetyAnalysis`
This document describes the design of the stack safety analysis of local
variables.
:doc:`MergeFunctions`
Describes functions merging optimization.
:doc:`AliasAnalysis`
Information on how to write a new alias analysis implementation or how to
use existing analyses.
:doc:`MemorySSA`
Information about the MemorySSA utility in LLVM, as well as how to use it.
:doc:`LoopTerminology`
A document describing Loops and associated terms as used in LLVM.
:doc:`Vectorizers`
This document describes the current status of vectorization in LLVM.
:doc:`LinkTimeOptimization`
This document describes the interface between LLVM intermodular optimizer
and the linker and its design
:doc:`GoldPlugin`
How to build your programs with link-time optimization on Linux.
:doc:`Remarks`
A reference on the implementation of remarks in LLVM.
:doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
This document describes the design and philosophy behind the LLVM
source-level debugger.
Code Generation
---------------
:doc:`WritingAnLLVMBackend`
Information on how to write LLVM backends for machine targets.
:doc:`CodeGenerator`
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.
:doc:`TableGen <TableGen/index>`
Describes the TableGen tool, which is used heavily by the LLVM code
generator.
===
JIT
===
:doc:`MCJITDesignAndImplementation`
Describes the inner workings of MCJIT execution engine.
:doc:`DebuggingJITedCode`
How to debug JITed code with GDB.
Additional Topics
-----------------
:doc:`CommandLine`
Provides information on using the command line parsing library.
:doc:`ExtendingLLVM`
Look here to see how to add instructions and intrinsics to LLVM.
:doc:`AddingConstrainedIntrinsics`
Gives the steps necessary when adding a new constrained math intrinsic
to LLVM.
:doc:`HowToCrossCompileBuiltinsOnArm`
Notes on cross-building and testing the compiler-rt builtins for Arm.
:doc:`BigEndianNEON`
LLVM's support for generating NEON instructions on big endian ARM targets is
somewhat nonintuitive. This document explains the implementation and rationale.
:doc:`CompileCudaWithLLVM`
LLVM support for CUDA.
:doc:`NVPTXUsage`
This document describes using the NVPTX backend to compile GPU kernels.
:doc:`AMDGPUUsage`
This document describes using the AMDGPU backend to compile GPU kernels.
:doc:`AMDGPUDwarfExtensionsForHeterogeneousDebugging`
This document describes DWARF extensions to support heterogeneous debugging
for targets such as the AMDGPU backend.