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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
82 Phabricator
83 TestingGuide
84 tutorial/index
85 ReleaseNotes
86 Passes
87 YamlIO
Sean Silva163b5c42013-03-30 15:32:50 +000088 GetElementPtr
Philip Reamesf8bf9dd2015-02-27 23:14:50 +000089 Frontend/PerformanceTips
Sean Silva3f93a612013-09-09 19:09:00 +000090 MCJITDesignAndImplementation
Chandler Carruth36293432016-06-30 20:27:54 +000091 CodeOfConduct
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +000092 CompileCudaWithLLVM
Chandler Carruth36293432016-06-30 20:27:54 +000093 ReportingGuide
Rafael Espindola50a17392017-05-24 16:39:12 +000094 Benchmarking
Ilya Biryukovaf351da2017-06-30 09:46:45 +000095 Docker
Sean Silva12159ff2013-01-20 02:19:36 +000096
Sean Silva9d0eb942013-01-20 02:19:42 +000097:doc:`GettingStarted`
Sean Silva12159ff2013-01-20 02:19:36 +000098 Discusses how to get up and running quickly with the LLVM infrastructure.
99 Everything from unpacking and compilation of the distribution to execution
100 of some tools.
101
Sean Silva9d0eb942013-01-20 02:19:42 +0000102:doc:`CMake`
Sean Silva12159ff2013-01-20 02:19:36 +0000103 An addendum to the main Getting Started guide for those using the `CMake
104 build system <http://www.cmake.org>`_.
105
Sean Silva9d0eb942013-01-20 02:19:42 +0000106:doc:`HowToBuildOnARM`
Sean Silva12159ff2013-01-20 02:19:36 +0000107 Notes on building and testing LLVM/Clang on ARM.
108
Peter Smith7411da52017-11-07 09:40:05 +0000109:doc:`HowToCrossCompileBuiltinsOnArm`
110 Notes on cross-building and testing the compiler-rt builtins for Arm.
111
Renato Golind24899b2013-09-08 20:44:48 +0000112:doc:`HowToCrossCompileLLVM`
113 Notes on cross-building and testing LLVM/Clang.
114
Sean Silva9d0eb942013-01-20 02:19:42 +0000115:doc:`GettingStartedVS`
Sean Silva12159ff2013-01-20 02:19:36 +0000116 An addendum to the main Getting Started guide for those using Visual Studio
117 on Windows.
118
Sean Silva9d0eb942013-01-20 02:19:42 +0000119:doc:`tutorial/index`
Sean Silva12159ff2013-01-20 02:19:36 +0000120 Tutorials about using LLVM. Includes a tutorial about making a custom
121 language with LLVM.
122
Sean Silva9d0eb942013-01-20 02:19:42 +0000123:doc:`LLVM Command Guide <CommandGuide/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000124 A reference manual for the LLVM command line utilities ("man" pages for LLVM
125 tools).
126
Sean Silva9d0eb942013-01-20 02:19:42 +0000127:doc:`Passes`
Sean Silva12159ff2013-01-20 02:19:36 +0000128 A list of optimizations and analyses implemented in LLVM.
129
Sean Silva9d0eb942013-01-20 02:19:42 +0000130:doc:`FAQ`
Sean Silva12159ff2013-01-20 02:19:36 +0000131 A list of common questions and problems and their solutions.
132
Sean Silva9d0eb942013-01-20 02:19:42 +0000133:doc:`Release notes for the current release <ReleaseNotes>`
Sean Silva12159ff2013-01-20 02:19:36 +0000134 This describes new features, known bugs, and other limitations.
135
Sean Silva9d0eb942013-01-20 02:19:42 +0000136:doc:`HowToSubmitABug`
Sean Silva12159ff2013-01-20 02:19:36 +0000137 Instructions for properly submitting information about any bugs you run into
138 in the LLVM system.
Sean Silva12159ff2013-01-20 02:19:36 +0000139
Sean Silva9d0eb942013-01-20 02:19:42 +0000140:doc:`SphinxQuickstartTemplate`
Sean Silva12159ff2013-01-20 02:19:36 +0000141 A template + tutorial for writing new Sphinx documentation. It is meant
142 to be read in source form.
143
Sean Silva9d0eb942013-01-20 02:19:42 +0000144:doc:`LLVM Testing Infrastructure Guide <TestingGuide>`
Sean Silva12159ff2013-01-20 02:19:36 +0000145 A reference manual for using the LLVM testing infrastructure.
146
Sean Silva9d0eb942013-01-20 02:19:42 +0000147`How to build the C, C++, ObjC, and ObjC++ front end`__
Sean Silva12159ff2013-01-20 02:19:36 +0000148 Instructions for building the clang front-end from source.
149
Sean Silva9d0eb942013-01-20 02:19:42 +0000150 .. __: http://clang.llvm.org/get_started.html
Sean Silva12159ff2013-01-20 02:19:36 +0000151
Sean Silva9d0eb942013-01-20 02:19:42 +0000152:doc:`Lexicon`
Sean Silva12159ff2013-01-20 02:19:36 +0000153 Definition of acronyms, terms and concepts used in LLVM.
154
Sean Silva9d0eb942013-01-20 02:19:42 +0000155:doc:`HowToAddABuilder`
Sean Silva12159ff2013-01-20 02:19:36 +0000156 Instructions for adding new builder to LLVM buildbot master.
157
Sean Silva9d0eb942013-01-20 02:19:42 +0000158:doc:`YamlIO`
Sean Silva12159ff2013-01-20 02:19:36 +0000159 A reference guide for using LLVM's YAML I/O library.
160
Sean Silva163b5c42013-03-30 15:32:50 +0000161:doc:`GetElementPtr`
162 Answers to some very frequent questions about LLVM's most frequently
163 misunderstood instruction.
164
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000165:doc:`Frontend/PerformanceTips`
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000166 A collection of tips for frontend authors on how to generate IR
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000167 which LLVM is able to effectively optimize.
168
Ilya Biryukovaf351da2017-06-30 09:46:45 +0000169:doc:`Docker`
170 A reference for using Dockerfiles provided with LLVM.
171
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000172
Sean Silva12159ff2013-01-20 02:19:36 +0000173Programming Documentation
174=========================
175
176For developers of applications which use LLVM as a library.
177
178.. toctree::
179 :hidden:
180
181 Atomics
182 CodingStandards
183 CommandLine
184 CompilerWriterInfo
185 ExtendingLLVM
186 HowToSetUpLLVMStyleRTTI
187 ProgrammersManual
Nico Rieck1da45292013-04-10 23:28:17 +0000188 Extensions
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000189 LibFuzzer
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000190 FuzzingLLVM
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000191 ScudoHardenedAllocator
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000192 OptBisect
Sean Silva12159ff2013-01-20 02:19:36 +0000193
Sean Silva9d0eb942013-01-20 02:19:42 +0000194:doc:`LLVM Language Reference Manual <LangRef>`
Sean Silva12159ff2013-01-20 02:19:36 +0000195 Defines the LLVM intermediate representation and the assembly form of the
196 different nodes.
197
Sean Silva9d0eb942013-01-20 02:19:42 +0000198:doc:`Atomics`
Sean Silva12159ff2013-01-20 02:19:36 +0000199 Information about LLVM's concurrency model.
200
Sean Silva9d0eb942013-01-20 02:19:42 +0000201:doc:`ProgrammersManual`
Sean Silva12159ff2013-01-20 02:19:36 +0000202 Introduction to the general layout of the LLVM sourcebase, important classes
203 and APIs, and some tips & tricks.
204
Nico Rieck1da45292013-04-10 23:28:17 +0000205:doc:`Extensions`
206 LLVM-specific extensions to tools and formats LLVM seeks compatibility with.
207
Sean Silva9d0eb942013-01-20 02:19:42 +0000208:doc:`CommandLine`
Sean Silva12159ff2013-01-20 02:19:36 +0000209 Provides information on using the command line parsing library.
210
Sean Silva9d0eb942013-01-20 02:19:42 +0000211:doc:`CodingStandards`
Sean Silva12159ff2013-01-20 02:19:36 +0000212 Details the LLVM coding standards and provides useful information on writing
213 efficient C++ code.
214
Sean Silva9d0eb942013-01-20 02:19:42 +0000215:doc:`HowToSetUpLLVMStyleRTTI`
Sean Silva12159ff2013-01-20 02:19:36 +0000216 How to make ``isa<>``, ``dyn_cast<>``, etc. available for clients of your
217 class hierarchy.
218
Sean Silva9d0eb942013-01-20 02:19:42 +0000219:doc:`ExtendingLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000220 Look here to see how to add instructions and intrinsics to LLVM.
221
Sean Silva9d0eb942013-01-20 02:19:42 +0000222`Doxygen generated documentation <http://llvm.org/doxygen/>`_
Sean Silva12159ff2013-01-20 02:19:36 +0000223 (`classes <http://llvm.org/doxygen/inherits.html>`_)
Sean Silva12159ff2013-01-20 02:19:36 +0000224
Peter Collingbourne943d2702015-01-13 18:49:42 +0000225`Documentation for Go bindings <http://godoc.org/llvm.org/llvm/bindings/go/llvm>`_
226
Sean Silva9d0eb942013-01-20 02:19:42 +0000227`ViewVC Repository Browser <http://llvm.org/viewvc/>`_
228 ..
Sean Silva12159ff2013-01-20 02:19:36 +0000229
Sean Silva9d0eb942013-01-20 02:19:42 +0000230:doc:`CompilerWriterInfo`
Sean Silva12159ff2013-01-20 02:19:36 +0000231 A list of helpful links for compiler writers.
232
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000233:doc:`LibFuzzer`
234 A library for writing in-process guided fuzzers.
235
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000236:doc:`FuzzingLLVM`
237 Information on writing and using Fuzzers to find bugs in LLVM.
238
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000239:doc:`ScudoHardenedAllocator`
240 A library that implements a security-hardened `malloc()`.
241
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000242:doc:`OptBisect`
243 A command line option for debugging optimization-induced failures.
244
Sean Silva12159ff2013-01-20 02:19:36 +0000245Subsystem Documentation
246=======================
247
248For API clients and LLVM developers.
249
250.. toctree::
251 :hidden:
252
253 AliasAnalysis
George Burgess IV3bbeb732016-08-17 00:17:29 +0000254 MemorySSA
Sean Silva12159ff2013-01-20 02:19:36 +0000255 BitCodeFormat
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000256 BlockFrequencyTerminology
Sean Silva12159ff2013-01-20 02:19:36 +0000257 BranchWeightMetadata
258 Bugpoint
259 CodeGenerator
260 ExceptionHandling
261 LinkTimeOptimization
262 SegmentedStacks
263 TableGenFundamentals
Renato Golinca105642014-03-20 16:08:34 +0000264 TableGen/index
Sean Silva12159ff2013-01-20 02:19:36 +0000265 DebuggingJITedCode
266 GoldPlugin
267 MarkedUpDisassembly
268 SystemLibrary
269 SourceLevelDebugging
270 Vectorizers
271 WritingAnLLVMBackend
272 GarbageCollection
273 WritingAnLLVMPass
Joe Abbeyba3e9012013-02-12 11:45:22 +0000274 HowToUseAttributes
Justin Holewinski45df8822013-03-30 16:41:14 +0000275 NVPTXUsage
Tom Stellard45bb48e2015-06-13 03:28:10 +0000276 AMDGPUUsage
Andrew Trick5e029ce2013-12-24 02:57:25 +0000277 StackMaps
Sean Silva216f1ee2014-03-02 00:21:42 +0000278 InAlloca
James Molloy3f7878a2014-05-12 15:13:39 +0000279 BigEndianNEON
Alex Lorenz6a128332014-08-19 17:05:58 +0000280 CoverageMappingFormat
Matt Arsenault03f0e832014-12-03 18:35:11 +0000281 Statepoints
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000282 MergeFunctions
Peter Collingbourne7efd7502016-06-24 21:21:32 +0000283 TypeMetadata
Sanjoy Das5553bc82015-06-15 19:38:15 +0000284 FaultMaps
Alex Lorenz3d311772015-08-06 22:55:19 +0000285 MIRLangRef
David Majnemera6539272016-07-23 04:05:08 +0000286 Coroutines
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000287 GlobalISel
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000288 XRay
Dean Michael Berris46979b42017-03-31 02:51:19 +0000289 XRayExample
Keith Wyss3d0bc9e2017-08-02 21:47:27 +0000290 XRayFDRFormat
Zachary Turner218ce832016-11-10 19:24:21 +0000291 PDB/index
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000292 CFIVerify
Sean Silva12159ff2013-01-20 02:19:36 +0000293
Sean Silva9d0eb942013-01-20 02:19:42 +0000294:doc:`WritingAnLLVMPass`
Sean Silva12159ff2013-01-20 02:19:36 +0000295 Information on how to write LLVM transformations and analyses.
296
Sean Silva9d0eb942013-01-20 02:19:42 +0000297:doc:`WritingAnLLVMBackend`
Sean Silva12159ff2013-01-20 02:19:36 +0000298 Information on how to write LLVM backends for machine targets.
299
Sean Silva9d0eb942013-01-20 02:19:42 +0000300:doc:`CodeGenerator`
Sean Silva12159ff2013-01-20 02:19:36 +0000301 The design and implementation of the LLVM code generator. Useful if you are
302 working on retargetting LLVM to a new architecture, designing a new codegen
303 pass, or enhancing existing components.
304
Alex Lorenz3d311772015-08-06 22:55:19 +0000305:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`
306 A reference manual for the MIR serialization format, which is used to test
307 LLVM's code generation passes.
308
Sean Silva0b4df9b2014-04-07 22:42:53 +0000309:doc:`TableGen <TableGen/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000310 Describes the TableGen tool, which is used heavily by the LLVM code
311 generator.
312
Sean Silva9d0eb942013-01-20 02:19:42 +0000313:doc:`AliasAnalysis`
Sean Silva12159ff2013-01-20 02:19:36 +0000314 Information on how to write a new alias analysis implementation or how to
315 use existing analyses.
316
George Burgess IV3bbeb732016-08-17 00:17:29 +0000317:doc:`MemorySSA`
318 Information about the MemorySSA utility in LLVM, as well as how to use it.
319
Sean Silva9d0eb942013-01-20 02:19:42 +0000320:doc:`GarbageCollection`
Sean Silva12159ff2013-01-20 02:19:36 +0000321 The interfaces source-language compilers should use for compiling GC'd
322 programs.
323
Sean Silva9d0eb942013-01-20 02:19:42 +0000324:doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
Sean Silva12159ff2013-01-20 02:19:36 +0000325 This document describes the design and philosophy behind the LLVM
326 source-level debugger.
327
Sean Silva9d0eb942013-01-20 02:19:42 +0000328:doc:`Vectorizers`
Sean Silva12159ff2013-01-20 02:19:36 +0000329 This document describes the current status of vectorization in LLVM.
330
Sean Silva9d0eb942013-01-20 02:19:42 +0000331:doc:`ExceptionHandling`
Sean Silva12159ff2013-01-20 02:19:36 +0000332 This document describes the design and implementation of exception handling
333 in LLVM.
334
Sean Silva9d0eb942013-01-20 02:19:42 +0000335:doc:`Bugpoint`
Sean Silva12159ff2013-01-20 02:19:36 +0000336 Automatic bug finder and test-case reducer description and usage
337 information.
338
Sean Silva9d0eb942013-01-20 02:19:42 +0000339:doc:`BitCodeFormat`
Sean Silva12159ff2013-01-20 02:19:36 +0000340 This describes the file format and encoding used for LLVM "bc" files.
341
Sean Silva9d0eb942013-01-20 02:19:42 +0000342:doc:`System Library <SystemLibrary>`
Sean Silva12159ff2013-01-20 02:19:36 +0000343 This document describes the LLVM System Library (``lib/System``) and
344 how to keep LLVM source code portable
345
Sean Silva9d0eb942013-01-20 02:19:42 +0000346:doc:`LinkTimeOptimization`
Sean Silva12159ff2013-01-20 02:19:36 +0000347 This document describes the interface between LLVM intermodular optimizer
348 and the linker and its design
349
Sean Silva9d0eb942013-01-20 02:19:42 +0000350:doc:`GoldPlugin`
Sean Silva12159ff2013-01-20 02:19:36 +0000351 How to build your programs with link-time optimization on Linux.
352
Sean Silva9d0eb942013-01-20 02:19:42 +0000353:doc:`DebuggingJITedCode`
Sean Silva12159ff2013-01-20 02:19:36 +0000354 How to debug JITed code with GDB.
355
Andrew Kaylor27299c32013-08-21 22:15:09 +0000356:doc:`MCJITDesignAndImplementation`
357 Describes the inner workings of MCJIT execution engine.
358
Sean Silva9d0eb942013-01-20 02:19:42 +0000359:doc:`BranchWeightMetadata`
Sean Silva12159ff2013-01-20 02:19:36 +0000360 Provides information about Branch Prediction Information.
361
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000362:doc:`BlockFrequencyTerminology`
363 Provides information about terminology used in the ``BlockFrequencyInfo``
364 analysis pass.
365
Sean Silva9d0eb942013-01-20 02:19:42 +0000366:doc:`SegmentedStacks`
Sean Silva12159ff2013-01-20 02:19:36 +0000367 This document describes segmented stacks and how they are used in LLVM.
368
Sean Silva9d0eb942013-01-20 02:19:42 +0000369:doc:`MarkedUpDisassembly`
Sean Silva12159ff2013-01-20 02:19:36 +0000370 This document describes the optional rich disassembly output syntax.
371
Joe Abbeyba3e9012013-02-12 11:45:22 +0000372:doc:`HowToUseAttributes`
373 Answers some questions about the new Attributes infrastructure.
Sean Silva12159ff2013-01-20 02:19:36 +0000374
Justin Holewinski45df8822013-03-30 16:41:14 +0000375:doc:`NVPTXUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000376 This document describes using the NVPTX backend to compile GPU kernels.
Justin Holewinski45df8822013-03-30 16:41:14 +0000377
Tom Stellard45bb48e2015-06-13 03:28:10 +0000378:doc:`AMDGPUUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000379 This document describes using the AMDGPU backend to compile GPU kernels.
Tom Stellard9d7ddd52014-11-14 14:08:00 +0000380
Andrew Trick5e029ce2013-12-24 02:57:25 +0000381:doc:`StackMaps`
382 LLVM support for mapping instruction addresses to the location of
383 values and allowing code to be patched.
Justin Holewinski45df8822013-03-30 16:41:14 +0000384
James Molloy3f7878a2014-05-12 15:13:39 +0000385:doc:`BigEndianNEON`
386 LLVM's support for generating NEON instructions on big endian ARM targets is
387 somewhat nonintuitive. This document explains the implementation and rationale.
388
Alex Lorenz6a128332014-08-19 17:05:58 +0000389:doc:`CoverageMappingFormat`
390 This describes the format and encoding used for LLVM’s code coverage mapping.
James Molloy3f7878a2014-05-12 15:13:39 +0000391
Matt Arsenault03f0e832014-12-03 18:35:11 +0000392:doc:`Statepoints`
393 This describes a set of experimental extensions for garbage
394 collection support.
395
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000396:doc:`MergeFunctions`
397 Describes functions merging optimization.
398
Sean Silvab6472fe2015-02-04 20:51:19 +0000399:doc:`InAlloca`
400 Description of the ``inalloca`` argument attribute.
401
Sanjoy Das5553bc82015-06-15 19:38:15 +0000402:doc:`FaultMaps`
403 LLVM support for folding control flow into faulting machine instructions.
404
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +0000405:doc:`CompileCudaWithLLVM`
406 LLVM support for CUDA.
407
David Majnemera6539272016-07-23 04:05:08 +0000408:doc:`Coroutines`
409 LLVM support for coroutines.
410
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000411:doc:`GlobalISel`
412 This describes the prototype instruction selection replacement, GlobalISel.
413
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000414:doc:`XRay`
415 High-level documentation of how to use XRay in LLVM.
416
Dean Michael Berris38daca62017-03-30 23:46:36 +0000417:doc:`XRayExample`
418 An example of how to debug an application with XRay.
419
Zachary Turner218ce832016-11-10 19:24:21 +0000420:doc:`The Microsoft PDB File Format <PDB/index>`
421 A detailed description of the Microsoft PDB (Program Database) file format.
422
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000423:doc:`CFIVerify`
424 A description of the verification tool for Control Flow Integrity.
425
Sean Silva12159ff2013-01-20 02:19:36 +0000426Development Process Documentation
427=================================
428
Sean Silva12159ff2013-01-20 02:19:36 +0000429Information about LLVM's development process.
430
431.. toctree::
432 :hidden:
433
Sean Silva9d205c82013-03-30 15:32:47 +0000434 DeveloperPolicy
Sean Silva12159ff2013-01-20 02:19:36 +0000435 Projects
436 LLVMBuild
437 HowToReleaseLLVM
Sean Silvabdb940f2013-01-28 21:28:10 +0000438 Packaging
Sean Silva3f93a612013-09-09 19:09:00 +0000439 ReleaseProcess
Adrian Prantladc41ca2014-10-03 20:17:32 +0000440 Phabricator
Sean Silva12159ff2013-01-20 02:19:36 +0000441
Sean Silva9d205c82013-03-30 15:32:47 +0000442:doc:`DeveloperPolicy`
443 The LLVM project's policy towards developers and their contributions.
444
Sean Silva9d0eb942013-01-20 02:19:42 +0000445:doc:`Projects`
Sean Silva12159ff2013-01-20 02:19:36 +0000446 How-to guide and templates for new projects that *use* the LLVM
447 infrastructure. The templates (directory organization, Makefiles, and test
448 tree) allow the project code to be located outside (or inside) the ``llvm/``
449 tree, while using LLVM header files and libraries.
450
Sean Silva9d0eb942013-01-20 02:19:42 +0000451:doc:`LLVMBuild`
Sean Silva12159ff2013-01-20 02:19:36 +0000452 Describes the LLVMBuild organization and files used by LLVM to specify
453 component descriptions.
454
Sean Silva9d0eb942013-01-20 02:19:42 +0000455:doc:`HowToReleaseLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000456 This is a guide to preparing LLVM releases. Most developers can ignore it.
457
Renato Golinc08f2182013-05-28 10:32:55 +0000458:doc:`ReleaseProcess`
Jyoti Allur223602d2014-09-26 06:59:15 +0000459 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 +0000460
Sean Silvabdb940f2013-01-28 21:28:10 +0000461:doc:`Packaging`
462 Advice on packaging LLVM into a distribution.
463
Adrian Prantladc41ca2014-10-03 20:17:32 +0000464:doc:`Phabricator`
465 Describes how to use the Phabricator code review tool hosted on
466 http://reviews.llvm.org/ and its command line interface, Arcanist.
467
Sean Silva01299242013-03-30 15:32:51 +0000468Community
469=========
470
471LLVM has a thriving community of friendly and helpful developers.
472The two primary communication mechanisms in the LLVM community are mailing
473lists and IRC.
474
Sean Silva12159ff2013-01-20 02:19:36 +0000475Mailing Lists
Sean Silva01299242013-03-30 15:32:51 +0000476-------------
Sean Silva12159ff2013-01-20 02:19:36 +0000477
478If you can't find what you need in these docs, try consulting the mailing
479lists.
480
Tanya Lattner0d28f802015-08-05 03:51:17 +0000481`Developer's List (llvm-dev)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000482 This list is for people who want to be included in technical discussions of
483 LLVM. People post to this list when they have questions about writing code
484 for or using the LLVM tools. It is relatively low volume.
485
Tanya Lattner0d28f802015-08-05 03:51:17 +0000486 .. __: http://lists.llvm.org/mailman/listinfo/llvm-dev
Sean Silva12159ff2013-01-20 02:19:36 +0000487
Sean Silvaab4997d2013-03-30 15:33:01 +0000488`Commits Archive (llvm-commits)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000489 This list contains all commit messages that are made when LLVM developers
Sean Silva2a746992013-03-30 15:33:02 +0000490 commit code changes to the repository. It also serves as a forum for
491 patch review (i.e. send patches here). It is useful for those who want to
492 stay on the bleeding edge of LLVM development. This list is very high
493 volume.
Sean Silva12159ff2013-01-20 02:19:36 +0000494
Tanya Lattner0d28f802015-08-05 03:51:17 +0000495 .. __: http://lists.llvm.org/pipermail/llvm-commits/
Sean Silva12159ff2013-01-20 02:19:36 +0000496
Tanya Lattner0d28f802015-08-05 03:51:17 +0000497`Bugs & Patches Archive (llvm-bugs)`__
Sean Silva2a746992013-03-30 15:33:02 +0000498 This list gets emailed every time a bug is opened and closed. It is
Tanya Lattner0d28f802015-08-05 03:51:17 +0000499 higher volume than the LLVM-dev list.
Sean Silva84b296c2013-03-30 15:32:54 +0000500
Tanya Lattner0d28f802015-08-05 03:51:17 +0000501 .. __: http://lists.llvm.org/pipermail/llvm-bugs/
Sean Silva84b296c2013-03-30 15:32:54 +0000502
Sean Silvaab4997d2013-03-30 15:33:01 +0000503`Test Results Archive (llvm-testresults)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000504 A message is automatically sent to this list by every active nightly tester
505 when it completes. As such, this list gets email several times each day,
506 making it a high volume list.
507
Tanya Lattner0d28f802015-08-05 03:51:17 +0000508 .. __: http://lists.llvm.org/pipermail/llvm-testresults/
Sean Silva9d0eb942013-01-20 02:19:42 +0000509
Sean Silvaab4997d2013-03-30 15:33:01 +0000510`LLVM Announcements List (llvm-announce)`__
Sean Silva84b296c2013-03-30 15:32:54 +0000511 This is a low volume list that provides important announcements regarding
512 LLVM. It gets email about once a month.
513
Tanya Lattner0d28f802015-08-05 03:51:17 +0000514 .. __: http://lists.llvm.org/mailman/listinfo/llvm-announce
Sean Silva84b296c2013-03-30 15:32:54 +0000515
Sean Silva01299242013-03-30 15:32:51 +0000516IRC
517---
518
519Users and developers of the LLVM project (including subprojects such as Clang)
520can be found in #llvm on `irc.oftc.net <irc://irc.oftc.net/llvm>`_.
521
522This channel has several bots.
523
524* Buildbot reporters
525
526 * llvmbb - Bot for the main LLVM buildbot master.
527 http://lab.llvm.org:8011/console
528 * bb-chapuni - An individually run buildbot master. http://bb.pgr.jp/console
529 * smooshlab - Apple's internal buildbot master.
530
531* robot - Bugzilla linker. %bug <number>
532
533* clang-bot - A `geordi <http://www.eelis.net/geordi/>`_ instance running
534 near-trunk clang instead of gcc.
535
Renato Goline433cf72016-07-20 09:38:04 +0000536Community wide proposals
537------------------------
538
539Proposals for massive changes in how the community behaves and how the work flow
540can be better.
541
542.. toctree::
543 :hidden:
544
545 CodeOfConduct
Mehdi Amini647deb82016-10-12 23:02:02 +0000546 Proposals/GitHubMove
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000547 Proposals/VectorizationPlan
Renato Goline433cf72016-07-20 09:38:04 +0000548
549:doc:`CodeOfConduct`
550 Proposal to adopt a code of conduct on the LLVM social spaces (lists, events,
551 IRC, etc).
552
Mehdi Amini647deb82016-10-12 23:02:02 +0000553:doc:`Proposals/GitHubMove`
Renato Goline433cf72016-07-20 09:38:04 +0000554 Proposal to move from SVN/Git to GitHub.
555
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000556:doc:`Proposals/VectorizationPlan`
557 Proposal to model the process and upgrade the infrastructure of LLVM's Loop Vectorizer.
Sean Silva01299242013-03-30 15:32:51 +0000558
Daniel Dunbarfbb80412012-04-19 16:31:37 +0000559Indices and tables
560==================
561
562* :ref:`genindex`
563* :ref:`search`