blob: 6a664548617e602657b604a377507016eef301af [file] [log] [blame]
Daniel Dunbarfbb80412012-04-19 16:31:37 +00001Overview
2========
3
4.. warning::
5
6 If you are using a released version of LLVM, see `the download page
7 <http://llvm.org/releases/>`_ to find your documentation.
8
9The LLVM compiler infrastructure supports a wide range of projects, from
10industrial strength compilers to specialized JIT applications to small
11research projects.
12
13Similarly, documentation is broken down into several high-level groupings
Benjamin Kramerbde91762012-06-02 10:20:22 +000014targeted at different audiences:
Daniel Dunbarfbb80412012-04-19 16:31:37 +000015
Sean Silva12159ff2013-01-20 02:19:36 +000016LLVM Design & Overview
17======================
Daniel Dunbarfbb80412012-04-19 16:31:37 +000018
Sean Silva12159ff2013-01-20 02:19:36 +000019Several introductory papers and presentations.
Daniel Dunbarfbb80412012-04-19 16:31:37 +000020
21.. toctree::
Sean Silva12159ff2013-01-20 02:19:36 +000022 :hidden:
Daniel Dunbarfbb80412012-04-19 16:31:37 +000023
Sean Silva12159ff2013-01-20 02:19:36 +000024 LangRef
Sean Silva12159ff2013-01-20 02:19:36 +000025
Sean Silva9d0eb942013-01-20 02:19:42 +000026:doc:`LangRef`
Sean Silva12159ff2013-01-20 02:19:36 +000027 Defines the LLVM intermediate representation.
28
Sean Silva9d0eb942013-01-20 02:19:42 +000029`Introduction to the LLVM Compiler`__
Sean Silva12159ff2013-01-20 02:19:36 +000030 Presentation providing a users introduction to LLVM.
31
Sean Silva9d0eb942013-01-20 02:19:42 +000032 .. __: http://llvm.org/pubs/2008-10-04-ACAT-LLVM-Intro.html
Sean Silva12159ff2013-01-20 02:19:36 +000033
Sean Silva9d0eb942013-01-20 02:19:42 +000034`Intro to LLVM`__
Sean Silva12159ff2013-01-20 02:19:36 +000035 Book chapter providing a compiler hacker's introduction to LLVM.
36
Sean Silva9d0eb942013-01-20 02:19:42 +000037 .. __: http://www.aosabook.org/en/llvm.html
Sean Silva12159ff2013-01-20 02:19:36 +000038
Sean Silva9d0eb942013-01-20 02:19:42 +000039
40`LLVM: A Compilation Framework for Lifelong Program Analysis & Transformation`__
Sean Silva12159ff2013-01-20 02:19:36 +000041 Design overview.
42
Sean Silva9d0eb942013-01-20 02:19:42 +000043 .. __: http://llvm.org/pubs/2004-01-30-CGO-LLVM.html
Sean Silva12159ff2013-01-20 02:19:36 +000044
Sean Silva9d0eb942013-01-20 02:19:42 +000045`LLVM: An Infrastructure for Multi-Stage Optimization`__
Sean Silva12159ff2013-01-20 02:19:36 +000046 More details (quite old now).
47
Sean Silva9d0eb942013-01-20 02:19:42 +000048 .. __: http://llvm.org/pubs/2002-12-LattnerMSThesis.html
Sean Silva12159ff2013-01-20 02:19:36 +000049
Sean Silva9d0eb942013-01-20 02:19:42 +000050`Publications mentioning LLVM <http://llvm.org/pubs>`_
51 ..
Sean Silva12159ff2013-01-20 02:19:36 +000052
53User Guides
54===========
55
56For those new to the LLVM system.
57
58NOTE: If you are a user who is only interested in using LLVM-based
59compilers, you should look into `Clang <http://clang.llvm.org>`_ or
60`DragonEgg <http://dragonegg.llvm.org>`_ instead. The documentation here is
61intended for users who have a need to work with the intermediate LLVM
62representation.
63
64.. toctree::
65 :hidden:
66
67 CMake
Chris Bieneman9debb982016-04-29 20:34:54 +000068 CMakePrimer
Chris Bienemanebb1dd92016-03-18 21:57:51 +000069 AdvancedBuilds
Sean Silva12159ff2013-01-20 02:19:36 +000070 HowToBuildOnARM
Peter Smith7411da52017-11-07 09:40:05 +000071 HowToCrossCompileBuiltinsOnArm
Renato Golind24899b2013-09-08 20:44:48 +000072 HowToCrossCompileLLVM
Sean Silva12159ff2013-01-20 02:19:36 +000073 CommandGuide/index
Sean Silva12159ff2013-01-20 02:19:36 +000074 GettingStarted
75 GettingStartedVS
76 FAQ
77 Lexicon
Sean Silva12159ff2013-01-20 02:19:36 +000078 HowToAddABuilder
79 yaml2obj
80 HowToSubmitABug
81 SphinxQuickstartTemplate
Chandler Carruth1230d222018-08-06 00:38:31 +000082 MarkdownQuickstartTemplate
Sean Silva12159ff2013-01-20 02:19:36 +000083 Phabricator
84 TestingGuide
85 tutorial/index
86 ReleaseNotes
87 Passes
88 YamlIO
Sean Silva163b5c42013-03-30 15:32:50 +000089 GetElementPtr
Philip Reamesf8bf9dd2015-02-27 23:14:50 +000090 Frontend/PerformanceTips
Sean Silva3f93a612013-09-09 19:09:00 +000091 MCJITDesignAndImplementation
Chandler Carruth36293432016-06-30 20:27:54 +000092 CodeOfConduct
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +000093 CompileCudaWithLLVM
Chandler Carruth36293432016-06-30 20:27:54 +000094 ReportingGuide
Rafael Espindola50a17392017-05-24 16:39:12 +000095 Benchmarking
Ilya Biryukovaf351da2017-06-30 09:46:45 +000096 Docker
Sean Silva12159ff2013-01-20 02:19:36 +000097
Sean Silva9d0eb942013-01-20 02:19:42 +000098:doc:`GettingStarted`
Sean Silva12159ff2013-01-20 02:19:36 +000099 Discusses how to get up and running quickly with the LLVM infrastructure.
100 Everything from unpacking and compilation of the distribution to execution
101 of some tools.
102
Sean Silva9d0eb942013-01-20 02:19:42 +0000103:doc:`CMake`
Sean Silva12159ff2013-01-20 02:19:36 +0000104 An addendum to the main Getting Started guide for those using the `CMake
105 build system <http://www.cmake.org>`_.
106
Sean Silva9d0eb942013-01-20 02:19:42 +0000107:doc:`HowToBuildOnARM`
Sean Silva12159ff2013-01-20 02:19:36 +0000108 Notes on building and testing LLVM/Clang on ARM.
109
Peter Smith7411da52017-11-07 09:40:05 +0000110:doc:`HowToCrossCompileBuiltinsOnArm`
111 Notes on cross-building and testing the compiler-rt builtins for Arm.
112
Renato Golind24899b2013-09-08 20:44:48 +0000113:doc:`HowToCrossCompileLLVM`
114 Notes on cross-building and testing LLVM/Clang.
115
Sean Silva9d0eb942013-01-20 02:19:42 +0000116:doc:`GettingStartedVS`
Sean Silva12159ff2013-01-20 02:19:36 +0000117 An addendum to the main Getting Started guide for those using Visual Studio
118 on Windows.
119
Sean Silva9d0eb942013-01-20 02:19:42 +0000120:doc:`tutorial/index`
Sean Silva12159ff2013-01-20 02:19:36 +0000121 Tutorials about using LLVM. Includes a tutorial about making a custom
122 language with LLVM.
123
Sean Silva9d0eb942013-01-20 02:19:42 +0000124:doc:`LLVM Command Guide <CommandGuide/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000125 A reference manual for the LLVM command line utilities ("man" pages for LLVM
126 tools).
127
Sean Silva9d0eb942013-01-20 02:19:42 +0000128:doc:`Passes`
Sean Silva12159ff2013-01-20 02:19:36 +0000129 A list of optimizations and analyses implemented in LLVM.
130
Sean Silva9d0eb942013-01-20 02:19:42 +0000131:doc:`FAQ`
Sean Silva12159ff2013-01-20 02:19:36 +0000132 A list of common questions and problems and their solutions.
133
Sean Silva9d0eb942013-01-20 02:19:42 +0000134:doc:`Release notes for the current release <ReleaseNotes>`
Sean Silva12159ff2013-01-20 02:19:36 +0000135 This describes new features, known bugs, and other limitations.
136
Sean Silva9d0eb942013-01-20 02:19:42 +0000137:doc:`HowToSubmitABug`
Sean Silva12159ff2013-01-20 02:19:36 +0000138 Instructions for properly submitting information about any bugs you run into
139 in the LLVM system.
Sean Silva12159ff2013-01-20 02:19:36 +0000140
Sean Silva9d0eb942013-01-20 02:19:42 +0000141:doc:`SphinxQuickstartTemplate`
Sean Silva12159ff2013-01-20 02:19:36 +0000142 A template + tutorial for writing new Sphinx documentation. It is meant
143 to be read in source form.
144
Sean Silva9d0eb942013-01-20 02:19:42 +0000145:doc:`LLVM Testing Infrastructure Guide <TestingGuide>`
Sean Silva12159ff2013-01-20 02:19:36 +0000146 A reference manual for using the LLVM testing infrastructure.
147
Sean Silva9d0eb942013-01-20 02:19:42 +0000148`How to build the C, C++, ObjC, and ObjC++ front end`__
Sean Silva12159ff2013-01-20 02:19:36 +0000149 Instructions for building the clang front-end from source.
150
Sean Silva9d0eb942013-01-20 02:19:42 +0000151 .. __: http://clang.llvm.org/get_started.html
Sean Silva12159ff2013-01-20 02:19:36 +0000152
Sean Silva9d0eb942013-01-20 02:19:42 +0000153:doc:`Lexicon`
Sean Silva12159ff2013-01-20 02:19:36 +0000154 Definition of acronyms, terms and concepts used in LLVM.
155
Sean Silva9d0eb942013-01-20 02:19:42 +0000156:doc:`HowToAddABuilder`
Sean Silva12159ff2013-01-20 02:19:36 +0000157 Instructions for adding new builder to LLVM buildbot master.
158
Sean Silva9d0eb942013-01-20 02:19:42 +0000159:doc:`YamlIO`
Sean Silva12159ff2013-01-20 02:19:36 +0000160 A reference guide for using LLVM's YAML I/O library.
161
Sean Silva163b5c42013-03-30 15:32:50 +0000162:doc:`GetElementPtr`
163 Answers to some very frequent questions about LLVM's most frequently
164 misunderstood instruction.
165
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000166:doc:`Frontend/PerformanceTips`
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000167 A collection of tips for frontend authors on how to generate IR
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000168 which LLVM is able to effectively optimize.
169
Ilya Biryukovaf351da2017-06-30 09:46:45 +0000170:doc:`Docker`
171 A reference for using Dockerfiles provided with LLVM.
172
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000173
Sean Silva12159ff2013-01-20 02:19:36 +0000174Programming Documentation
175=========================
176
177For developers of applications which use LLVM as a library.
178
179.. toctree::
180 :hidden:
181
182 Atomics
183 CodingStandards
184 CommandLine
185 CompilerWriterInfo
186 ExtendingLLVM
187 HowToSetUpLLVMStyleRTTI
188 ProgrammersManual
Nico Rieck1da45292013-04-10 23:28:17 +0000189 Extensions
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000190 LibFuzzer
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000191 FuzzingLLVM
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000192 ScudoHardenedAllocator
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000193 OptBisect
Sean Silva12159ff2013-01-20 02:19:36 +0000194
Sean Silva9d0eb942013-01-20 02:19:42 +0000195:doc:`LLVM Language Reference Manual <LangRef>`
Sean Silva12159ff2013-01-20 02:19:36 +0000196 Defines the LLVM intermediate representation and the assembly form of the
197 different nodes.
198
Sean Silva9d0eb942013-01-20 02:19:42 +0000199:doc:`Atomics`
Sean Silva12159ff2013-01-20 02:19:36 +0000200 Information about LLVM's concurrency model.
201
Sean Silva9d0eb942013-01-20 02:19:42 +0000202:doc:`ProgrammersManual`
Sean Silva12159ff2013-01-20 02:19:36 +0000203 Introduction to the general layout of the LLVM sourcebase, important classes
204 and APIs, and some tips & tricks.
205
Nico Rieck1da45292013-04-10 23:28:17 +0000206:doc:`Extensions`
207 LLVM-specific extensions to tools and formats LLVM seeks compatibility with.
208
Sean Silva9d0eb942013-01-20 02:19:42 +0000209:doc:`CommandLine`
Sean Silva12159ff2013-01-20 02:19:36 +0000210 Provides information on using the command line parsing library.
211
Sean Silva9d0eb942013-01-20 02:19:42 +0000212:doc:`CodingStandards`
Sean Silva12159ff2013-01-20 02:19:36 +0000213 Details the LLVM coding standards and provides useful information on writing
214 efficient C++ code.
215
Sean Silva9d0eb942013-01-20 02:19:42 +0000216:doc:`HowToSetUpLLVMStyleRTTI`
Sean Silva12159ff2013-01-20 02:19:36 +0000217 How to make ``isa<>``, ``dyn_cast<>``, etc. available for clients of your
218 class hierarchy.
219
Sean Silva9d0eb942013-01-20 02:19:42 +0000220:doc:`ExtendingLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000221 Look here to see how to add instructions and intrinsics to LLVM.
222
Sean Silva9d0eb942013-01-20 02:19:42 +0000223`Doxygen generated documentation <http://llvm.org/doxygen/>`_
Sean Silva12159ff2013-01-20 02:19:36 +0000224 (`classes <http://llvm.org/doxygen/inherits.html>`_)
Sean Silva12159ff2013-01-20 02:19:36 +0000225
Peter Collingbourne943d2702015-01-13 18:49:42 +0000226`Documentation for Go bindings <http://godoc.org/llvm.org/llvm/bindings/go/llvm>`_
227
Sean Silva9d0eb942013-01-20 02:19:42 +0000228`ViewVC Repository Browser <http://llvm.org/viewvc/>`_
229 ..
Sean Silva12159ff2013-01-20 02:19:36 +0000230
Sean Silva9d0eb942013-01-20 02:19:42 +0000231:doc:`CompilerWriterInfo`
Sean Silva12159ff2013-01-20 02:19:36 +0000232 A list of helpful links for compiler writers.
233
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000234:doc:`LibFuzzer`
235 A library for writing in-process guided fuzzers.
236
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000237:doc:`FuzzingLLVM`
238 Information on writing and using Fuzzers to find bugs in LLVM.
239
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000240:doc:`ScudoHardenedAllocator`
241 A library that implements a security-hardened `malloc()`.
242
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000243:doc:`OptBisect`
244 A command line option for debugging optimization-induced failures.
245
Florian Hahn57edaa42018-01-04 17:12:21 +0000246.. _index-subsystem-docs:
247
Sean Silva12159ff2013-01-20 02:19:36 +0000248Subsystem Documentation
249=======================
250
251For API clients and LLVM developers.
252
253.. toctree::
254 :hidden:
255
256 AliasAnalysis
George Burgess IV3bbeb732016-08-17 00:17:29 +0000257 MemorySSA
Sean Silva12159ff2013-01-20 02:19:36 +0000258 BitCodeFormat
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000259 BlockFrequencyTerminology
Sean Silva12159ff2013-01-20 02:19:36 +0000260 BranchWeightMetadata
261 Bugpoint
262 CodeGenerator
263 ExceptionHandling
264 LinkTimeOptimization
265 SegmentedStacks
266 TableGenFundamentals
Renato Golinca105642014-03-20 16:08:34 +0000267 TableGen/index
Sean Silva12159ff2013-01-20 02:19:36 +0000268 DebuggingJITedCode
269 GoldPlugin
270 MarkedUpDisassembly
271 SystemLibrary
272 SourceLevelDebugging
273 Vectorizers
274 WritingAnLLVMBackend
275 GarbageCollection
276 WritingAnLLVMPass
Joe Abbeyba3e9012013-02-12 11:45:22 +0000277 HowToUseAttributes
Justin Holewinski45df8822013-03-30 16:41:14 +0000278 NVPTXUsage
Tom Stellard45bb48e2015-06-13 03:28:10 +0000279 AMDGPUUsage
Andrew Trick5e029ce2013-12-24 02:57:25 +0000280 StackMaps
Sean Silva216f1ee2014-03-02 00:21:42 +0000281 InAlloca
James Molloy3f7878a2014-05-12 15:13:39 +0000282 BigEndianNEON
Alex Lorenz6a128332014-08-19 17:05:58 +0000283 CoverageMappingFormat
Matt Arsenault03f0e832014-12-03 18:35:11 +0000284 Statepoints
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000285 MergeFunctions
Peter Collingbourne7efd7502016-06-24 21:21:32 +0000286 TypeMetadata
Sanjoy Das5553bc82015-06-15 19:38:15 +0000287 FaultMaps
Alex Lorenz3d311772015-08-06 22:55:19 +0000288 MIRLangRef
David Majnemera6539272016-07-23 04:05:08 +0000289 Coroutines
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000290 GlobalISel
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000291 XRay
Dean Michael Berris46979b42017-03-31 02:51:19 +0000292 XRayExample
Keith Wyss3d0bc9e2017-08-02 21:47:27 +0000293 XRayFDRFormat
Zachary Turner218ce832016-11-10 19:24:21 +0000294 PDB/index
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000295 CFIVerify
Chandler Carruth1230d222018-08-06 00:38:31 +0000296 SpeculativeLoadHardening
Sean Silva12159ff2013-01-20 02:19:36 +0000297
Sean Silva9d0eb942013-01-20 02:19:42 +0000298:doc:`WritingAnLLVMPass`
Sean Silva12159ff2013-01-20 02:19:36 +0000299 Information on how to write LLVM transformations and analyses.
300
Sean Silva9d0eb942013-01-20 02:19:42 +0000301:doc:`WritingAnLLVMBackend`
Sean Silva12159ff2013-01-20 02:19:36 +0000302 Information on how to write LLVM backends for machine targets.
303
Sean Silva9d0eb942013-01-20 02:19:42 +0000304:doc:`CodeGenerator`
Sean Silva12159ff2013-01-20 02:19:36 +0000305 The design and implementation of the LLVM code generator. Useful if you are
306 working on retargetting LLVM to a new architecture, designing a new codegen
307 pass, or enhancing existing components.
308
Alex Lorenz3d311772015-08-06 22:55:19 +0000309:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`
310 A reference manual for the MIR serialization format, which is used to test
311 LLVM's code generation passes.
312
Sean Silva0b4df9b2014-04-07 22:42:53 +0000313:doc:`TableGen <TableGen/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000314 Describes the TableGen tool, which is used heavily by the LLVM code
315 generator.
316
Sean Silva9d0eb942013-01-20 02:19:42 +0000317:doc:`AliasAnalysis`
Sean Silva12159ff2013-01-20 02:19:36 +0000318 Information on how to write a new alias analysis implementation or how to
319 use existing analyses.
320
George Burgess IV3bbeb732016-08-17 00:17:29 +0000321:doc:`MemorySSA`
322 Information about the MemorySSA utility in LLVM, as well as how to use it.
323
Sean Silva9d0eb942013-01-20 02:19:42 +0000324:doc:`GarbageCollection`
Sean Silva12159ff2013-01-20 02:19:36 +0000325 The interfaces source-language compilers should use for compiling GC'd
326 programs.
327
Sean Silva9d0eb942013-01-20 02:19:42 +0000328:doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
Sean Silva12159ff2013-01-20 02:19:36 +0000329 This document describes the design and philosophy behind the LLVM
330 source-level debugger.
331
Sean Silva9d0eb942013-01-20 02:19:42 +0000332:doc:`Vectorizers`
Sean Silva12159ff2013-01-20 02:19:36 +0000333 This document describes the current status of vectorization in LLVM.
334
Sean Silva9d0eb942013-01-20 02:19:42 +0000335:doc:`ExceptionHandling`
Sean Silva12159ff2013-01-20 02:19:36 +0000336 This document describes the design and implementation of exception handling
337 in LLVM.
338
Sean Silva9d0eb942013-01-20 02:19:42 +0000339:doc:`Bugpoint`
Sean Silva12159ff2013-01-20 02:19:36 +0000340 Automatic bug finder and test-case reducer description and usage
341 information.
342
Sean Silva9d0eb942013-01-20 02:19:42 +0000343:doc:`BitCodeFormat`
Sean Silva12159ff2013-01-20 02:19:36 +0000344 This describes the file format and encoding used for LLVM "bc" files.
345
Sean Silva9d0eb942013-01-20 02:19:42 +0000346:doc:`System Library <SystemLibrary>`
Sean Silva12159ff2013-01-20 02:19:36 +0000347 This document describes the LLVM System Library (``lib/System``) and
348 how to keep LLVM source code portable
349
Sean Silva9d0eb942013-01-20 02:19:42 +0000350:doc:`LinkTimeOptimization`
Sean Silva12159ff2013-01-20 02:19:36 +0000351 This document describes the interface between LLVM intermodular optimizer
352 and the linker and its design
353
Sean Silva9d0eb942013-01-20 02:19:42 +0000354:doc:`GoldPlugin`
Sean Silva12159ff2013-01-20 02:19:36 +0000355 How to build your programs with link-time optimization on Linux.
356
Sean Silva9d0eb942013-01-20 02:19:42 +0000357:doc:`DebuggingJITedCode`
Sean Silva12159ff2013-01-20 02:19:36 +0000358 How to debug JITed code with GDB.
359
Andrew Kaylor27299c32013-08-21 22:15:09 +0000360:doc:`MCJITDesignAndImplementation`
361 Describes the inner workings of MCJIT execution engine.
362
Sean Silva9d0eb942013-01-20 02:19:42 +0000363:doc:`BranchWeightMetadata`
Sean Silva12159ff2013-01-20 02:19:36 +0000364 Provides information about Branch Prediction Information.
365
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000366:doc:`BlockFrequencyTerminology`
367 Provides information about terminology used in the ``BlockFrequencyInfo``
368 analysis pass.
369
Sean Silva9d0eb942013-01-20 02:19:42 +0000370:doc:`SegmentedStacks`
Sean Silva12159ff2013-01-20 02:19:36 +0000371 This document describes segmented stacks and how they are used in LLVM.
372
Sean Silva9d0eb942013-01-20 02:19:42 +0000373:doc:`MarkedUpDisassembly`
Sean Silva12159ff2013-01-20 02:19:36 +0000374 This document describes the optional rich disassembly output syntax.
375
Joe Abbeyba3e9012013-02-12 11:45:22 +0000376:doc:`HowToUseAttributes`
377 Answers some questions about the new Attributes infrastructure.
Sean Silva12159ff2013-01-20 02:19:36 +0000378
Justin Holewinski45df8822013-03-30 16:41:14 +0000379:doc:`NVPTXUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000380 This document describes using the NVPTX backend to compile GPU kernels.
Justin Holewinski45df8822013-03-30 16:41:14 +0000381
Tom Stellard45bb48e2015-06-13 03:28:10 +0000382:doc:`AMDGPUUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000383 This document describes using the AMDGPU backend to compile GPU kernels.
Tom Stellard9d7ddd52014-11-14 14:08:00 +0000384
Andrew Trick5e029ce2013-12-24 02:57:25 +0000385:doc:`StackMaps`
386 LLVM support for mapping instruction addresses to the location of
387 values and allowing code to be patched.
Justin Holewinski45df8822013-03-30 16:41:14 +0000388
James Molloy3f7878a2014-05-12 15:13:39 +0000389:doc:`BigEndianNEON`
390 LLVM's support for generating NEON instructions on big endian ARM targets is
391 somewhat nonintuitive. This document explains the implementation and rationale.
392
Alex Lorenz6a128332014-08-19 17:05:58 +0000393:doc:`CoverageMappingFormat`
394 This describes the format and encoding used for LLVM’s code coverage mapping.
James Molloy3f7878a2014-05-12 15:13:39 +0000395
Matt Arsenault03f0e832014-12-03 18:35:11 +0000396:doc:`Statepoints`
397 This describes a set of experimental extensions for garbage
398 collection support.
399
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000400:doc:`MergeFunctions`
401 Describes functions merging optimization.
402
Sean Silvab6472fe2015-02-04 20:51:19 +0000403:doc:`InAlloca`
404 Description of the ``inalloca`` argument attribute.
405
Sanjoy Das5553bc82015-06-15 19:38:15 +0000406:doc:`FaultMaps`
407 LLVM support for folding control flow into faulting machine instructions.
408
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +0000409:doc:`CompileCudaWithLLVM`
410 LLVM support for CUDA.
411
David Majnemera6539272016-07-23 04:05:08 +0000412:doc:`Coroutines`
413 LLVM support for coroutines.
414
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000415:doc:`GlobalISel`
416 This describes the prototype instruction selection replacement, GlobalISel.
417
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000418:doc:`XRay`
419 High-level documentation of how to use XRay in LLVM.
420
Dean Michael Berris38daca62017-03-30 23:46:36 +0000421:doc:`XRayExample`
422 An example of how to debug an application with XRay.
423
Zachary Turner218ce832016-11-10 19:24:21 +0000424:doc:`The Microsoft PDB File Format <PDB/index>`
425 A detailed description of the Microsoft PDB (Program Database) file format.
426
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000427:doc:`CFIVerify`
428 A description of the verification tool for Control Flow Integrity.
429
Chandler Carruth1230d222018-08-06 00:38:31 +0000430:doc:`SpeculativeLoadHardening`
431 A description of the Speculative Load Hardening mitigation for Spectre v1.
432
Sean Silva12159ff2013-01-20 02:19:36 +0000433Development Process Documentation
434=================================
435
Sean Silva12159ff2013-01-20 02:19:36 +0000436Information about LLVM's development process.
437
438.. toctree::
439 :hidden:
440
Florian Hahn57edaa42018-01-04 17:12:21 +0000441 Contributing
Sean Silva9d205c82013-03-30 15:32:47 +0000442 DeveloperPolicy
Sean Silva12159ff2013-01-20 02:19:36 +0000443 Projects
444 LLVMBuild
445 HowToReleaseLLVM
Sean Silvabdb940f2013-01-28 21:28:10 +0000446 Packaging
Sean Silva3f93a612013-09-09 19:09:00 +0000447 ReleaseProcess
Adrian Prantladc41ca2014-10-03 20:17:32 +0000448 Phabricator
Sean Silva12159ff2013-01-20 02:19:36 +0000449
Florian Hahn57edaa42018-01-04 17:12:21 +0000450:doc:`Contributing`
451 An overview on how to contribute to LLVM.
452
Sean Silva9d205c82013-03-30 15:32:47 +0000453:doc:`DeveloperPolicy`
454 The LLVM project's policy towards developers and their contributions.
455
Sean Silva9d0eb942013-01-20 02:19:42 +0000456:doc:`Projects`
Sean Silva12159ff2013-01-20 02:19:36 +0000457 How-to guide and templates for new projects that *use* the LLVM
458 infrastructure. The templates (directory organization, Makefiles, and test
459 tree) allow the project code to be located outside (or inside) the ``llvm/``
460 tree, while using LLVM header files and libraries.
461
Sean Silva9d0eb942013-01-20 02:19:42 +0000462:doc:`LLVMBuild`
Sean Silva12159ff2013-01-20 02:19:36 +0000463 Describes the LLVMBuild organization and files used by LLVM to specify
464 component descriptions.
465
Sean Silva9d0eb942013-01-20 02:19:42 +0000466:doc:`HowToReleaseLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000467 This is a guide to preparing LLVM releases. Most developers can ignore it.
468
Renato Golinc08f2182013-05-28 10:32:55 +0000469:doc:`ReleaseProcess`
Jyoti Allur223602d2014-09-26 06:59:15 +0000470 This is a guide to validate a new release, during the release process. Most developers can ignore it.
Renato Golinc08f2182013-05-28 10:32:55 +0000471
Sean Silvabdb940f2013-01-28 21:28:10 +0000472:doc:`Packaging`
473 Advice on packaging LLVM into a distribution.
474
Adrian Prantladc41ca2014-10-03 20:17:32 +0000475:doc:`Phabricator`
476 Describes how to use the Phabricator code review tool hosted on
477 http://reviews.llvm.org/ and its command line interface, Arcanist.
478
Sean Silva01299242013-03-30 15:32:51 +0000479Community
480=========
481
482LLVM has a thriving community of friendly and helpful developers.
483The two primary communication mechanisms in the LLVM community are mailing
484lists and IRC.
485
Sean Silva12159ff2013-01-20 02:19:36 +0000486Mailing Lists
Sean Silva01299242013-03-30 15:32:51 +0000487-------------
Sean Silva12159ff2013-01-20 02:19:36 +0000488
489If you can't find what you need in these docs, try consulting the mailing
490lists.
491
Tanya Lattner0d28f802015-08-05 03:51:17 +0000492`Developer's List (llvm-dev)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000493 This list is for people who want to be included in technical discussions of
494 LLVM. People post to this list when they have questions about writing code
495 for or using the LLVM tools. It is relatively low volume.
496
Tanya Lattner0d28f802015-08-05 03:51:17 +0000497 .. __: http://lists.llvm.org/mailman/listinfo/llvm-dev
Sean Silva12159ff2013-01-20 02:19:36 +0000498
Sean Silvaab4997d2013-03-30 15:33:01 +0000499`Commits Archive (llvm-commits)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000500 This list contains all commit messages that are made when LLVM developers
Sean Silva2a746992013-03-30 15:33:02 +0000501 commit code changes to the repository. It also serves as a forum for
502 patch review (i.e. send patches here). It is useful for those who want to
503 stay on the bleeding edge of LLVM development. This list is very high
504 volume.
Sean Silva12159ff2013-01-20 02:19:36 +0000505
Tanya Lattner0d28f802015-08-05 03:51:17 +0000506 .. __: http://lists.llvm.org/pipermail/llvm-commits/
Sean Silva12159ff2013-01-20 02:19:36 +0000507
Tanya Lattner0d28f802015-08-05 03:51:17 +0000508`Bugs & Patches Archive (llvm-bugs)`__
Sean Silva2a746992013-03-30 15:33:02 +0000509 This list gets emailed every time a bug is opened and closed. It is
Tanya Lattner0d28f802015-08-05 03:51:17 +0000510 higher volume than the LLVM-dev list.
Sean Silva84b296c2013-03-30 15:32:54 +0000511
Tanya Lattner0d28f802015-08-05 03:51:17 +0000512 .. __: http://lists.llvm.org/pipermail/llvm-bugs/
Sean Silva84b296c2013-03-30 15:32:54 +0000513
Sean Silvaab4997d2013-03-30 15:33:01 +0000514`Test Results Archive (llvm-testresults)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000515 A message is automatically sent to this list by every active nightly tester
516 when it completes. As such, this list gets email several times each day,
517 making it a high volume list.
518
Tanya Lattner0d28f802015-08-05 03:51:17 +0000519 .. __: http://lists.llvm.org/pipermail/llvm-testresults/
Sean Silva9d0eb942013-01-20 02:19:42 +0000520
Sean Silvaab4997d2013-03-30 15:33:01 +0000521`LLVM Announcements List (llvm-announce)`__
Sean Silva84b296c2013-03-30 15:32:54 +0000522 This is a low volume list that provides important announcements regarding
523 LLVM. It gets email about once a month.
524
Tanya Lattner0d28f802015-08-05 03:51:17 +0000525 .. __: http://lists.llvm.org/mailman/listinfo/llvm-announce
Sean Silva84b296c2013-03-30 15:32:54 +0000526
Sean Silva01299242013-03-30 15:32:51 +0000527IRC
528---
529
530Users and developers of the LLVM project (including subprojects such as Clang)
531can be found in #llvm on `irc.oftc.net <irc://irc.oftc.net/llvm>`_.
532
533This channel has several bots.
534
535* Buildbot reporters
536
537 * llvmbb - Bot for the main LLVM buildbot master.
538 http://lab.llvm.org:8011/console
539 * bb-chapuni - An individually run buildbot master. http://bb.pgr.jp/console
540 * smooshlab - Apple's internal buildbot master.
541
542* robot - Bugzilla linker. %bug <number>
543
544* clang-bot - A `geordi <http://www.eelis.net/geordi/>`_ instance running
545 near-trunk clang instead of gcc.
546
Renato Goline433cf72016-07-20 09:38:04 +0000547Community wide proposals
548------------------------
549
550Proposals for massive changes in how the community behaves and how the work flow
551can be better.
552
553.. toctree::
554 :hidden:
555
556 CodeOfConduct
Mehdi Amini647deb82016-10-12 23:02:02 +0000557 Proposals/GitHubMove
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000558 Proposals/VectorizationPlan
Renato Goline433cf72016-07-20 09:38:04 +0000559
560:doc:`CodeOfConduct`
561 Proposal to adopt a code of conduct on the LLVM social spaces (lists, events,
562 IRC, etc).
563
Mehdi Amini647deb82016-10-12 23:02:02 +0000564:doc:`Proposals/GitHubMove`
Renato Goline433cf72016-07-20 09:38:04 +0000565 Proposal to move from SVN/Git to GitHub.
566
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000567:doc:`Proposals/VectorizationPlan`
568 Proposal to model the process and upgrade the infrastructure of LLVM's Loop Vectorizer.
Sean Silva01299242013-03-30 15:32:51 +0000569
Daniel Dunbarfbb80412012-04-19 16:31:37 +0000570Indices and tables
571==================
572
573* :ref:`genindex`
574* :ref:`search`