blob: 7edfdd241918c501279bc923e4690e999e89181e [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
Matthias Braun4f340e92018-08-31 21:47:01 +0000148:doc:`TestSuiteGuide`
149 Describes how to compile and run the test-suite benchmarks.
150
Sean Silva9d0eb942013-01-20 02:19:42 +0000151`How to build the C, C++, ObjC, and ObjC++ front end`__
Sean Silva12159ff2013-01-20 02:19:36 +0000152 Instructions for building the clang front-end from source.
153
Sean Silva9d0eb942013-01-20 02:19:42 +0000154 .. __: http://clang.llvm.org/get_started.html
Sean Silva12159ff2013-01-20 02:19:36 +0000155
Sean Silva9d0eb942013-01-20 02:19:42 +0000156:doc:`Lexicon`
Sean Silva12159ff2013-01-20 02:19:36 +0000157 Definition of acronyms, terms and concepts used in LLVM.
158
Sean Silva9d0eb942013-01-20 02:19:42 +0000159:doc:`HowToAddABuilder`
Sean Silva12159ff2013-01-20 02:19:36 +0000160 Instructions for adding new builder to LLVM buildbot master.
161
Sean Silva9d0eb942013-01-20 02:19:42 +0000162:doc:`YamlIO`
Sean Silva12159ff2013-01-20 02:19:36 +0000163 A reference guide for using LLVM's YAML I/O library.
164
Sean Silva163b5c42013-03-30 15:32:50 +0000165:doc:`GetElementPtr`
166 Answers to some very frequent questions about LLVM's most frequently
167 misunderstood instruction.
168
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000169:doc:`Frontend/PerformanceTips`
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000170 A collection of tips for frontend authors on how to generate IR
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000171 which LLVM is able to effectively optimize.
172
Ilya Biryukovaf351da2017-06-30 09:46:45 +0000173:doc:`Docker`
174 A reference for using Dockerfiles provided with LLVM.
175
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000176
Sean Silva12159ff2013-01-20 02:19:36 +0000177Programming Documentation
178=========================
179
180For developers of applications which use LLVM as a library.
181
182.. toctree::
183 :hidden:
184
185 Atomics
186 CodingStandards
187 CommandLine
188 CompilerWriterInfo
189 ExtendingLLVM
190 HowToSetUpLLVMStyleRTTI
191 ProgrammersManual
Nico Rieck1da45292013-04-10 23:28:17 +0000192 Extensions
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000193 LibFuzzer
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000194 FuzzingLLVM
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000195 ScudoHardenedAllocator
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000196 OptBisect
Sean Silva12159ff2013-01-20 02:19:36 +0000197
Sean Silva9d0eb942013-01-20 02:19:42 +0000198:doc:`LLVM Language Reference Manual <LangRef>`
Sean Silva12159ff2013-01-20 02:19:36 +0000199 Defines the LLVM intermediate representation and the assembly form of the
200 different nodes.
201
Sean Silva9d0eb942013-01-20 02:19:42 +0000202:doc:`Atomics`
Sean Silva12159ff2013-01-20 02:19:36 +0000203 Information about LLVM's concurrency model.
204
Sean Silva9d0eb942013-01-20 02:19:42 +0000205:doc:`ProgrammersManual`
Sean Silva12159ff2013-01-20 02:19:36 +0000206 Introduction to the general layout of the LLVM sourcebase, important classes
207 and APIs, and some tips & tricks.
208
Nico Rieck1da45292013-04-10 23:28:17 +0000209:doc:`Extensions`
210 LLVM-specific extensions to tools and formats LLVM seeks compatibility with.
211
Sean Silva9d0eb942013-01-20 02:19:42 +0000212:doc:`CommandLine`
Sean Silva12159ff2013-01-20 02:19:36 +0000213 Provides information on using the command line parsing library.
214
Sean Silva9d0eb942013-01-20 02:19:42 +0000215:doc:`CodingStandards`
Sean Silva12159ff2013-01-20 02:19:36 +0000216 Details the LLVM coding standards and provides useful information on writing
217 efficient C++ code.
218
Sean Silva9d0eb942013-01-20 02:19:42 +0000219:doc:`HowToSetUpLLVMStyleRTTI`
Sean Silva12159ff2013-01-20 02:19:36 +0000220 How to make ``isa<>``, ``dyn_cast<>``, etc. available for clients of your
221 class hierarchy.
222
Sean Silva9d0eb942013-01-20 02:19:42 +0000223:doc:`ExtendingLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000224 Look here to see how to add instructions and intrinsics to LLVM.
225
Sean Silva9d0eb942013-01-20 02:19:42 +0000226`Doxygen generated documentation <http://llvm.org/doxygen/>`_
Sean Silva12159ff2013-01-20 02:19:36 +0000227 (`classes <http://llvm.org/doxygen/inherits.html>`_)
Sean Silva12159ff2013-01-20 02:19:36 +0000228
Peter Collingbourne943d2702015-01-13 18:49:42 +0000229`Documentation for Go bindings <http://godoc.org/llvm.org/llvm/bindings/go/llvm>`_
230
Sean Silva9d0eb942013-01-20 02:19:42 +0000231`ViewVC Repository Browser <http://llvm.org/viewvc/>`_
232 ..
Sean Silva12159ff2013-01-20 02:19:36 +0000233
Sean Silva9d0eb942013-01-20 02:19:42 +0000234:doc:`CompilerWriterInfo`
Sean Silva12159ff2013-01-20 02:19:36 +0000235 A list of helpful links for compiler writers.
236
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000237:doc:`LibFuzzer`
238 A library for writing in-process guided fuzzers.
239
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000240:doc:`FuzzingLLVM`
241 Information on writing and using Fuzzers to find bugs in LLVM.
242
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000243:doc:`ScudoHardenedAllocator`
244 A library that implements a security-hardened `malloc()`.
245
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000246:doc:`OptBisect`
247 A command line option for debugging optimization-induced failures.
248
Florian Hahn57edaa42018-01-04 17:12:21 +0000249.. _index-subsystem-docs:
250
Sean Silva12159ff2013-01-20 02:19:36 +0000251Subsystem Documentation
252=======================
253
254For API clients and LLVM developers.
255
256.. toctree::
257 :hidden:
258
259 AliasAnalysis
George Burgess IV3bbeb732016-08-17 00:17:29 +0000260 MemorySSA
Sean Silva12159ff2013-01-20 02:19:36 +0000261 BitCodeFormat
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000262 BlockFrequencyTerminology
Sean Silva12159ff2013-01-20 02:19:36 +0000263 BranchWeightMetadata
264 Bugpoint
265 CodeGenerator
266 ExceptionHandling
267 LinkTimeOptimization
268 SegmentedStacks
269 TableGenFundamentals
Renato Golinca105642014-03-20 16:08:34 +0000270 TableGen/index
Sean Silva12159ff2013-01-20 02:19:36 +0000271 DebuggingJITedCode
272 GoldPlugin
273 MarkedUpDisassembly
274 SystemLibrary
Kristina Brooksab834fd2018-09-18 18:05:38 +0000275 SupportLibrary
Sean Silva12159ff2013-01-20 02:19:36 +0000276 SourceLevelDebugging
277 Vectorizers
278 WritingAnLLVMBackend
279 GarbageCollection
280 WritingAnLLVMPass
Joe Abbeyba3e9012013-02-12 11:45:22 +0000281 HowToUseAttributes
Justin Holewinski45df8822013-03-30 16:41:14 +0000282 NVPTXUsage
Tom Stellard45bb48e2015-06-13 03:28:10 +0000283 AMDGPUUsage
Andrew Trick5e029ce2013-12-24 02:57:25 +0000284 StackMaps
Sean Silva216f1ee2014-03-02 00:21:42 +0000285 InAlloca
James Molloy3f7878a2014-05-12 15:13:39 +0000286 BigEndianNEON
Alex Lorenz6a128332014-08-19 17:05:58 +0000287 CoverageMappingFormat
Matt Arsenault03f0e832014-12-03 18:35:11 +0000288 Statepoints
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000289 MergeFunctions
Peter Collingbourne7efd7502016-06-24 21:21:32 +0000290 TypeMetadata
Sanjoy Das5553bc82015-06-15 19:38:15 +0000291 FaultMaps
Alex Lorenz3d311772015-08-06 22:55:19 +0000292 MIRLangRef
David Majnemera6539272016-07-23 04:05:08 +0000293 Coroutines
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000294 GlobalISel
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000295 XRay
Dean Michael Berris46979b42017-03-31 02:51:19 +0000296 XRayExample
Keith Wyss3d0bc9e2017-08-02 21:47:27 +0000297 XRayFDRFormat
Zachary Turner218ce832016-11-10 19:24:21 +0000298 PDB/index
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000299 CFIVerify
Chandler Carruth1230d222018-08-06 00:38:31 +0000300 SpeculativeLoadHardening
Sean Silva12159ff2013-01-20 02:19:36 +0000301
Sean Silva9d0eb942013-01-20 02:19:42 +0000302:doc:`WritingAnLLVMPass`
Sean Silva12159ff2013-01-20 02:19:36 +0000303 Information on how to write LLVM transformations and analyses.
304
Sean Silva9d0eb942013-01-20 02:19:42 +0000305:doc:`WritingAnLLVMBackend`
Sean Silva12159ff2013-01-20 02:19:36 +0000306 Information on how to write LLVM backends for machine targets.
307
Sean Silva9d0eb942013-01-20 02:19:42 +0000308:doc:`CodeGenerator`
Sean Silva12159ff2013-01-20 02:19:36 +0000309 The design and implementation of the LLVM code generator. Useful if you are
310 working on retargetting LLVM to a new architecture, designing a new codegen
311 pass, or enhancing existing components.
312
Alex Lorenz3d311772015-08-06 22:55:19 +0000313:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`
314 A reference manual for the MIR serialization format, which is used to test
315 LLVM's code generation passes.
316
Sean Silva0b4df9b2014-04-07 22:42:53 +0000317:doc:`TableGen <TableGen/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000318 Describes the TableGen tool, which is used heavily by the LLVM code
319 generator.
320
Sean Silva9d0eb942013-01-20 02:19:42 +0000321:doc:`AliasAnalysis`
Sean Silva12159ff2013-01-20 02:19:36 +0000322 Information on how to write a new alias analysis implementation or how to
323 use existing analyses.
324
George Burgess IV3bbeb732016-08-17 00:17:29 +0000325:doc:`MemorySSA`
326 Information about the MemorySSA utility in LLVM, as well as how to use it.
327
Sean Silva9d0eb942013-01-20 02:19:42 +0000328:doc:`GarbageCollection`
Sean Silva12159ff2013-01-20 02:19:36 +0000329 The interfaces source-language compilers should use for compiling GC'd
330 programs.
331
Sean Silva9d0eb942013-01-20 02:19:42 +0000332:doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
Sean Silva12159ff2013-01-20 02:19:36 +0000333 This document describes the design and philosophy behind the LLVM
334 source-level debugger.
335
Sean Silva9d0eb942013-01-20 02:19:42 +0000336:doc:`Vectorizers`
Sean Silva12159ff2013-01-20 02:19:36 +0000337 This document describes the current status of vectorization in LLVM.
338
Sean Silva9d0eb942013-01-20 02:19:42 +0000339:doc:`ExceptionHandling`
Sean Silva12159ff2013-01-20 02:19:36 +0000340 This document describes the design and implementation of exception handling
341 in LLVM.
342
Sean Silva9d0eb942013-01-20 02:19:42 +0000343:doc:`Bugpoint`
Sean Silva12159ff2013-01-20 02:19:36 +0000344 Automatic bug finder and test-case reducer description and usage
345 information.
346
Sean Silva9d0eb942013-01-20 02:19:42 +0000347:doc:`BitCodeFormat`
Sean Silva12159ff2013-01-20 02:19:36 +0000348 This describes the file format and encoding used for LLVM "bc" files.
349
Kristina Brooksab834fd2018-09-18 18:05:38 +0000350:doc:`Support Library <SupportLibrary>`
351 This document describes the LLVM Support Library (``lib/Support``) and
Sean Silva12159ff2013-01-20 02:19:36 +0000352 how to keep LLVM source code portable
353
Sean Silva9d0eb942013-01-20 02:19:42 +0000354:doc:`LinkTimeOptimization`
Sean Silva12159ff2013-01-20 02:19:36 +0000355 This document describes the interface between LLVM intermodular optimizer
356 and the linker and its design
357
Sean Silva9d0eb942013-01-20 02:19:42 +0000358:doc:`GoldPlugin`
Sean Silva12159ff2013-01-20 02:19:36 +0000359 How to build your programs with link-time optimization on Linux.
360
Sean Silva9d0eb942013-01-20 02:19:42 +0000361:doc:`DebuggingJITedCode`
Sean Silva12159ff2013-01-20 02:19:36 +0000362 How to debug JITed code with GDB.
363
Andrew Kaylor27299c32013-08-21 22:15:09 +0000364:doc:`MCJITDesignAndImplementation`
365 Describes the inner workings of MCJIT execution engine.
366
Sean Silva9d0eb942013-01-20 02:19:42 +0000367:doc:`BranchWeightMetadata`
Sean Silva12159ff2013-01-20 02:19:36 +0000368 Provides information about Branch Prediction Information.
369
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000370:doc:`BlockFrequencyTerminology`
371 Provides information about terminology used in the ``BlockFrequencyInfo``
372 analysis pass.
373
Sean Silva9d0eb942013-01-20 02:19:42 +0000374:doc:`SegmentedStacks`
Sean Silva12159ff2013-01-20 02:19:36 +0000375 This document describes segmented stacks and how they are used in LLVM.
376
Sean Silva9d0eb942013-01-20 02:19:42 +0000377:doc:`MarkedUpDisassembly`
Sean Silva12159ff2013-01-20 02:19:36 +0000378 This document describes the optional rich disassembly output syntax.
379
Joe Abbeyba3e9012013-02-12 11:45:22 +0000380:doc:`HowToUseAttributes`
381 Answers some questions about the new Attributes infrastructure.
Sean Silva12159ff2013-01-20 02:19:36 +0000382
Justin Holewinski45df8822013-03-30 16:41:14 +0000383:doc:`NVPTXUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000384 This document describes using the NVPTX backend to compile GPU kernels.
Justin Holewinski45df8822013-03-30 16:41:14 +0000385
Tom Stellard45bb48e2015-06-13 03:28:10 +0000386:doc:`AMDGPUUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000387 This document describes using the AMDGPU backend to compile GPU kernels.
Tom Stellard9d7ddd52014-11-14 14:08:00 +0000388
Andrew Trick5e029ce2013-12-24 02:57:25 +0000389:doc:`StackMaps`
390 LLVM support for mapping instruction addresses to the location of
391 values and allowing code to be patched.
Justin Holewinski45df8822013-03-30 16:41:14 +0000392
James Molloy3f7878a2014-05-12 15:13:39 +0000393:doc:`BigEndianNEON`
394 LLVM's support for generating NEON instructions on big endian ARM targets is
395 somewhat nonintuitive. This document explains the implementation and rationale.
396
Alex Lorenz6a128332014-08-19 17:05:58 +0000397:doc:`CoverageMappingFormat`
398 This describes the format and encoding used for LLVM’s code coverage mapping.
James Molloy3f7878a2014-05-12 15:13:39 +0000399
Matt Arsenault03f0e832014-12-03 18:35:11 +0000400:doc:`Statepoints`
401 This describes a set of experimental extensions for garbage
402 collection support.
403
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000404:doc:`MergeFunctions`
405 Describes functions merging optimization.
406
Sean Silvab6472fe2015-02-04 20:51:19 +0000407:doc:`InAlloca`
408 Description of the ``inalloca`` argument attribute.
409
Sanjoy Das5553bc82015-06-15 19:38:15 +0000410:doc:`FaultMaps`
411 LLVM support for folding control flow into faulting machine instructions.
412
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +0000413:doc:`CompileCudaWithLLVM`
414 LLVM support for CUDA.
415
David Majnemera6539272016-07-23 04:05:08 +0000416:doc:`Coroutines`
417 LLVM support for coroutines.
418
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000419:doc:`GlobalISel`
420 This describes the prototype instruction selection replacement, GlobalISel.
421
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000422:doc:`XRay`
423 High-level documentation of how to use XRay in LLVM.
424
Dean Michael Berris38daca62017-03-30 23:46:36 +0000425:doc:`XRayExample`
426 An example of how to debug an application with XRay.
427
Zachary Turner218ce832016-11-10 19:24:21 +0000428:doc:`The Microsoft PDB File Format <PDB/index>`
429 A detailed description of the Microsoft PDB (Program Database) file format.
430
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000431:doc:`CFIVerify`
432 A description of the verification tool for Control Flow Integrity.
433
Chandler Carruth1230d222018-08-06 00:38:31 +0000434:doc:`SpeculativeLoadHardening`
435 A description of the Speculative Load Hardening mitigation for Spectre v1.
436
Sean Silva12159ff2013-01-20 02:19:36 +0000437Development Process Documentation
438=================================
439
Sean Silva12159ff2013-01-20 02:19:36 +0000440Information about LLVM's development process.
441
442.. toctree::
443 :hidden:
444
Florian Hahn57edaa42018-01-04 17:12:21 +0000445 Contributing
Sean Silva9d205c82013-03-30 15:32:47 +0000446 DeveloperPolicy
Sean Silva12159ff2013-01-20 02:19:36 +0000447 Projects
448 LLVMBuild
449 HowToReleaseLLVM
Sean Silvabdb940f2013-01-28 21:28:10 +0000450 Packaging
Sean Silva3f93a612013-09-09 19:09:00 +0000451 ReleaseProcess
Adrian Prantladc41ca2014-10-03 20:17:32 +0000452 Phabricator
Sean Silva12159ff2013-01-20 02:19:36 +0000453
Florian Hahn57edaa42018-01-04 17:12:21 +0000454:doc:`Contributing`
455 An overview on how to contribute to LLVM.
456
Sean Silva9d205c82013-03-30 15:32:47 +0000457:doc:`DeveloperPolicy`
458 The LLVM project's policy towards developers and their contributions.
459
Sean Silva9d0eb942013-01-20 02:19:42 +0000460:doc:`Projects`
Sean Silva12159ff2013-01-20 02:19:36 +0000461 How-to guide and templates for new projects that *use* the LLVM
462 infrastructure. The templates (directory organization, Makefiles, and test
463 tree) allow the project code to be located outside (or inside) the ``llvm/``
464 tree, while using LLVM header files and libraries.
465
Sean Silva9d0eb942013-01-20 02:19:42 +0000466:doc:`LLVMBuild`
Sean Silva12159ff2013-01-20 02:19:36 +0000467 Describes the LLVMBuild organization and files used by LLVM to specify
468 component descriptions.
469
Sean Silva9d0eb942013-01-20 02:19:42 +0000470:doc:`HowToReleaseLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000471 This is a guide to preparing LLVM releases. Most developers can ignore it.
472
Renato Golinc08f2182013-05-28 10:32:55 +0000473:doc:`ReleaseProcess`
Jyoti Allur223602d2014-09-26 06:59:15 +0000474 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 +0000475
Sean Silvabdb940f2013-01-28 21:28:10 +0000476:doc:`Packaging`
477 Advice on packaging LLVM into a distribution.
478
Adrian Prantladc41ca2014-10-03 20:17:32 +0000479:doc:`Phabricator`
480 Describes how to use the Phabricator code review tool hosted on
481 http://reviews.llvm.org/ and its command line interface, Arcanist.
482
Sean Silva01299242013-03-30 15:32:51 +0000483Community
484=========
485
486LLVM has a thriving community of friendly and helpful developers.
487The two primary communication mechanisms in the LLVM community are mailing
488lists and IRC.
489
Sean Silva12159ff2013-01-20 02:19:36 +0000490Mailing Lists
Sean Silva01299242013-03-30 15:32:51 +0000491-------------
Sean Silva12159ff2013-01-20 02:19:36 +0000492
493If you can't find what you need in these docs, try consulting the mailing
494lists.
495
Tanya Lattner0d28f802015-08-05 03:51:17 +0000496`Developer's List (llvm-dev)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000497 This list is for people who want to be included in technical discussions of
498 LLVM. People post to this list when they have questions about writing code
499 for or using the LLVM tools. It is relatively low volume.
500
Tanya Lattner0d28f802015-08-05 03:51:17 +0000501 .. __: http://lists.llvm.org/mailman/listinfo/llvm-dev
Sean Silva12159ff2013-01-20 02:19:36 +0000502
Sean Silvaab4997d2013-03-30 15:33:01 +0000503`Commits Archive (llvm-commits)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000504 This list contains all commit messages that are made when LLVM developers
Sean Silva2a746992013-03-30 15:33:02 +0000505 commit code changes to the repository. It also serves as a forum for
506 patch review (i.e. send patches here). It is useful for those who want to
507 stay on the bleeding edge of LLVM development. This list is very high
508 volume.
Sean Silva12159ff2013-01-20 02:19:36 +0000509
Tanya Lattner0d28f802015-08-05 03:51:17 +0000510 .. __: http://lists.llvm.org/pipermail/llvm-commits/
Sean Silva12159ff2013-01-20 02:19:36 +0000511
Tanya Lattner0d28f802015-08-05 03:51:17 +0000512`Bugs & Patches Archive (llvm-bugs)`__
Sean Silva2a746992013-03-30 15:33:02 +0000513 This list gets emailed every time a bug is opened and closed. It is
Tanya Lattner0d28f802015-08-05 03:51:17 +0000514 higher volume than the LLVM-dev list.
Sean Silva84b296c2013-03-30 15:32:54 +0000515
Tanya Lattner0d28f802015-08-05 03:51:17 +0000516 .. __: http://lists.llvm.org/pipermail/llvm-bugs/
Sean Silva84b296c2013-03-30 15:32:54 +0000517
Sean Silvaab4997d2013-03-30 15:33:01 +0000518`Test Results Archive (llvm-testresults)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000519 A message is automatically sent to this list by every active nightly tester
520 when it completes. As such, this list gets email several times each day,
521 making it a high volume list.
522
Tanya Lattner0d28f802015-08-05 03:51:17 +0000523 .. __: http://lists.llvm.org/pipermail/llvm-testresults/
Sean Silva9d0eb942013-01-20 02:19:42 +0000524
Sean Silvaab4997d2013-03-30 15:33:01 +0000525`LLVM Announcements List (llvm-announce)`__
Sean Silva84b296c2013-03-30 15:32:54 +0000526 This is a low volume list that provides important announcements regarding
527 LLVM. It gets email about once a month.
528
Tanya Lattner0d28f802015-08-05 03:51:17 +0000529 .. __: http://lists.llvm.org/mailman/listinfo/llvm-announce
Sean Silva84b296c2013-03-30 15:32:54 +0000530
Sean Silva01299242013-03-30 15:32:51 +0000531IRC
532---
533
534Users and developers of the LLVM project (including subprojects such as Clang)
535can be found in #llvm on `irc.oftc.net <irc://irc.oftc.net/llvm>`_.
536
537This channel has several bots.
538
539* Buildbot reporters
540
541 * llvmbb - Bot for the main LLVM buildbot master.
542 http://lab.llvm.org:8011/console
543 * bb-chapuni - An individually run buildbot master. http://bb.pgr.jp/console
544 * smooshlab - Apple's internal buildbot master.
545
546* robot - Bugzilla linker. %bug <number>
547
548* clang-bot - A `geordi <http://www.eelis.net/geordi/>`_ instance running
549 near-trunk clang instead of gcc.
550
Renato Goline433cf72016-07-20 09:38:04 +0000551Community wide proposals
552------------------------
553
554Proposals for massive changes in how the community behaves and how the work flow
555can be better.
556
557.. toctree::
558 :hidden:
559
560 CodeOfConduct
Mehdi Amini647deb82016-10-12 23:02:02 +0000561 Proposals/GitHubMove
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000562 Proposals/VectorizationPlan
Renato Goline433cf72016-07-20 09:38:04 +0000563
564:doc:`CodeOfConduct`
565 Proposal to adopt a code of conduct on the LLVM social spaces (lists, events,
566 IRC, etc).
567
Mehdi Amini647deb82016-10-12 23:02:02 +0000568:doc:`Proposals/GitHubMove`
Renato Goline433cf72016-07-20 09:38:04 +0000569 Proposal to move from SVN/Git to GitHub.
570
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000571:doc:`Proposals/VectorizationPlan`
572 Proposal to model the process and upgrade the infrastructure of LLVM's Loop Vectorizer.
Sean Silva01299242013-03-30 15:32:51 +0000573
Daniel Dunbarfbb80412012-04-19 16:31:37 +0000574Indices and tables
575==================
576
577* :ref:`genindex`
578* :ref:`search`