blob: 44f14a3e739b7884050645b3723edd018c221ee0 [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
Hans Wennborg05bff5a2019-02-19 17:00:29 +000058NOTE: If you are a user who is only interested in using an LLVM-based compiler,
59you should look into `Clang <http://clang.llvm.org>`_ instead. The
60documentation here is intended for users who have a need to work with the
61intermediate LLVM representation.
Sean Silva12159ff2013-01-20 02:19:36 +000062
63.. toctree::
64 :hidden:
65
66 CMake
Chris Bieneman9debb982016-04-29 20:34:54 +000067 CMakePrimer
Chris Bienemanebb1dd92016-03-18 21:57:51 +000068 AdvancedBuilds
Sean Silva12159ff2013-01-20 02:19:36 +000069 HowToBuildOnARM
George Burgess IVcf477f42018-10-26 20:56:03 +000070 HowToBuildWithPGO
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
George Burgess IVcf477f42018-10-26 20:56:03 +0000110:doc:`HowToBuildWithPGO`
111 Notes on building LLVM/Clang with PGO.
112
Peter Smith7411da52017-11-07 09:40:05 +0000113:doc:`HowToCrossCompileBuiltinsOnArm`
114 Notes on cross-building and testing the compiler-rt builtins for Arm.
115
Renato Golind24899b2013-09-08 20:44:48 +0000116:doc:`HowToCrossCompileLLVM`
117 Notes on cross-building and testing LLVM/Clang.
118
Sean Silva9d0eb942013-01-20 02:19:42 +0000119:doc:`GettingStartedVS`
Sean Silva12159ff2013-01-20 02:19:36 +0000120 An addendum to the main Getting Started guide for those using Visual Studio
121 on Windows.
122
Sean Silva9d0eb942013-01-20 02:19:42 +0000123:doc:`tutorial/index`
Sean Silva12159ff2013-01-20 02:19:36 +0000124 Tutorials about using LLVM. Includes a tutorial about making a custom
125 language with LLVM.
126
Sean Silva9d0eb942013-01-20 02:19:42 +0000127:doc:`LLVM Command Guide <CommandGuide/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000128 A reference manual for the LLVM command line utilities ("man" pages for LLVM
129 tools).
130
Sean Silva9d0eb942013-01-20 02:19:42 +0000131:doc:`Passes`
Sean Silva12159ff2013-01-20 02:19:36 +0000132 A list of optimizations and analyses implemented in LLVM.
133
Sean Silva9d0eb942013-01-20 02:19:42 +0000134:doc:`FAQ`
Sean Silva12159ff2013-01-20 02:19:36 +0000135 A list of common questions and problems and their solutions.
136
Sean Silva9d0eb942013-01-20 02:19:42 +0000137:doc:`Release notes for the current release <ReleaseNotes>`
Sean Silva12159ff2013-01-20 02:19:36 +0000138 This describes new features, known bugs, and other limitations.
139
Sean Silva9d0eb942013-01-20 02:19:42 +0000140:doc:`HowToSubmitABug`
Sean Silva12159ff2013-01-20 02:19:36 +0000141 Instructions for properly submitting information about any bugs you run into
142 in the LLVM system.
Sean Silva12159ff2013-01-20 02:19:36 +0000143
Sean Silva9d0eb942013-01-20 02:19:42 +0000144:doc:`SphinxQuickstartTemplate`
Sean Silva12159ff2013-01-20 02:19:36 +0000145 A template + tutorial for writing new Sphinx documentation. It is meant
146 to be read in source form.
147
Sean Silva9d0eb942013-01-20 02:19:42 +0000148:doc:`LLVM Testing Infrastructure Guide <TestingGuide>`
Sean Silva12159ff2013-01-20 02:19:36 +0000149 A reference manual for using the LLVM testing infrastructure.
150
Matthias Braun4f340e92018-08-31 21:47:01 +0000151:doc:`TestSuiteGuide`
152 Describes how to compile and run the test-suite benchmarks.
153
Sean Silva9d0eb942013-01-20 02:19:42 +0000154`How to build the C, C++, ObjC, and ObjC++ front end`__
Sean Silva12159ff2013-01-20 02:19:36 +0000155 Instructions for building the clang front-end from source.
156
Sean Silva9d0eb942013-01-20 02:19:42 +0000157 .. __: http://clang.llvm.org/get_started.html
Sean Silva12159ff2013-01-20 02:19:36 +0000158
Sean Silva9d0eb942013-01-20 02:19:42 +0000159:doc:`Lexicon`
Sean Silva12159ff2013-01-20 02:19:36 +0000160 Definition of acronyms, terms and concepts used in LLVM.
161
Sean Silva9d0eb942013-01-20 02:19:42 +0000162:doc:`HowToAddABuilder`
Sean Silva12159ff2013-01-20 02:19:36 +0000163 Instructions for adding new builder to LLVM buildbot master.
164
Sean Silva9d0eb942013-01-20 02:19:42 +0000165:doc:`YamlIO`
Sean Silva12159ff2013-01-20 02:19:36 +0000166 A reference guide for using LLVM's YAML I/O library.
167
Sean Silva163b5c42013-03-30 15:32:50 +0000168:doc:`GetElementPtr`
169 Answers to some very frequent questions about LLVM's most frequently
170 misunderstood instruction.
171
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000172:doc:`Frontend/PerformanceTips`
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000173 A collection of tips for frontend authors on how to generate IR
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000174 which LLVM is able to effectively optimize.
175
Ilya Biryukovaf351da2017-06-30 09:46:45 +0000176:doc:`Docker`
177 A reference for using Dockerfiles provided with LLVM.
178
Philip Reamesf8bf9dd2015-02-27 23:14:50 +0000179
Sean Silva12159ff2013-01-20 02:19:36 +0000180Programming Documentation
181=========================
182
183For developers of applications which use LLVM as a library.
184
185.. toctree::
186 :hidden:
187
188 Atomics
189 CodingStandards
190 CommandLine
191 CompilerWriterInfo
192 ExtendingLLVM
193 HowToSetUpLLVMStyleRTTI
194 ProgrammersManual
Nico Rieck1da45292013-04-10 23:28:17 +0000195 Extensions
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000196 LibFuzzer
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000197 FuzzingLLVM
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000198 ScudoHardenedAllocator
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000199 OptBisect
Sean Silva12159ff2013-01-20 02:19:36 +0000200
Sean Silva9d0eb942013-01-20 02:19:42 +0000201:doc:`LLVM Language Reference Manual <LangRef>`
Sean Silva12159ff2013-01-20 02:19:36 +0000202 Defines the LLVM intermediate representation and the assembly form of the
203 different nodes.
204
Sean Silva9d0eb942013-01-20 02:19:42 +0000205:doc:`Atomics`
Sean Silva12159ff2013-01-20 02:19:36 +0000206 Information about LLVM's concurrency model.
207
Sean Silva9d0eb942013-01-20 02:19:42 +0000208:doc:`ProgrammersManual`
Sean Silva12159ff2013-01-20 02:19:36 +0000209 Introduction to the general layout of the LLVM sourcebase, important classes
210 and APIs, and some tips & tricks.
211
Nico Rieck1da45292013-04-10 23:28:17 +0000212:doc:`Extensions`
213 LLVM-specific extensions to tools and formats LLVM seeks compatibility with.
214
Sean Silva9d0eb942013-01-20 02:19:42 +0000215:doc:`CommandLine`
Sean Silva12159ff2013-01-20 02:19:36 +0000216 Provides information on using the command line parsing library.
217
Sean Silva9d0eb942013-01-20 02:19:42 +0000218:doc:`CodingStandards`
Sean Silva12159ff2013-01-20 02:19:36 +0000219 Details the LLVM coding standards and provides useful information on writing
220 efficient C++ code.
221
Sean Silva9d0eb942013-01-20 02:19:42 +0000222:doc:`HowToSetUpLLVMStyleRTTI`
Sean Silva12159ff2013-01-20 02:19:36 +0000223 How to make ``isa<>``, ``dyn_cast<>``, etc. available for clients of your
224 class hierarchy.
225
Sean Silva9d0eb942013-01-20 02:19:42 +0000226:doc:`ExtendingLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000227 Look here to see how to add instructions and intrinsics to LLVM.
228
Sean Silva9d0eb942013-01-20 02:19:42 +0000229`Doxygen generated documentation <http://llvm.org/doxygen/>`_
Sean Silva12159ff2013-01-20 02:19:36 +0000230 (`classes <http://llvm.org/doxygen/inherits.html>`_)
Sean Silva12159ff2013-01-20 02:19:36 +0000231
Peter Collingbourne943d2702015-01-13 18:49:42 +0000232`Documentation for Go bindings <http://godoc.org/llvm.org/llvm/bindings/go/llvm>`_
233
James Y Knight78655882019-01-14 22:27:32 +0000234`Github Source Repository Browser <http://github.com/llvm/llvm-project//>`_
Sean Silva9d0eb942013-01-20 02:19:42 +0000235 ..
Sean Silva12159ff2013-01-20 02:19:36 +0000236
Sean Silva9d0eb942013-01-20 02:19:42 +0000237:doc:`CompilerWriterInfo`
Sean Silva12159ff2013-01-20 02:19:36 +0000238 A list of helpful links for compiler writers.
239
Kostya Serebryany35ce8632015-03-30 23:05:30 +0000240:doc:`LibFuzzer`
241 A library for writing in-process guided fuzzers.
242
Justin Bognerfd5b2a02017-10-12 01:44:24 +0000243:doc:`FuzzingLLVM`
244 Information on writing and using Fuzzers to find bugs in LLVM.
245
Kostya Serebryany9a293ca2016-06-07 23:13:54 +0000246:doc:`ScudoHardenedAllocator`
247 A library that implements a security-hardened `malloc()`.
248
Andrew Kaylor3aeda4f2016-08-26 23:11:48 +0000249:doc:`OptBisect`
250 A command line option for debugging optimization-induced failures.
251
Florian Hahn57edaa42018-01-04 17:12:21 +0000252.. _index-subsystem-docs:
253
Sean Silva12159ff2013-01-20 02:19:36 +0000254Subsystem Documentation
255=======================
256
257For API clients and LLVM developers.
258
259.. toctree::
260 :hidden:
261
262 AliasAnalysis
George Burgess IV3bbeb732016-08-17 00:17:29 +0000263 MemorySSA
Sean Silva12159ff2013-01-20 02:19:36 +0000264 BitCodeFormat
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000265 BlockFrequencyTerminology
Sean Silva12159ff2013-01-20 02:19:36 +0000266 BranchWeightMetadata
267 Bugpoint
268 CodeGenerator
269 ExceptionHandling
270 LinkTimeOptimization
271 SegmentedStacks
272 TableGenFundamentals
Renato Golinca105642014-03-20 16:08:34 +0000273 TableGen/index
Sean Silva12159ff2013-01-20 02:19:36 +0000274 DebuggingJITedCode
275 GoldPlugin
276 MarkedUpDisassembly
277 SystemLibrary
Kristina Brooksab834fd2018-09-18 18:05:38 +0000278 SupportLibrary
Sean Silva12159ff2013-01-20 02:19:36 +0000279 SourceLevelDebugging
280 Vectorizers
281 WritingAnLLVMBackend
282 GarbageCollection
283 WritingAnLLVMPass
Joe Abbeyba3e9012013-02-12 11:45:22 +0000284 HowToUseAttributes
Justin Holewinski45df8822013-03-30 16:41:14 +0000285 NVPTXUsage
Tom Stellard45bb48e2015-06-13 03:28:10 +0000286 AMDGPUUsage
Andrew Trick5e029ce2013-12-24 02:57:25 +0000287 StackMaps
Sean Silva216f1ee2014-03-02 00:21:42 +0000288 InAlloca
James Molloy3f7878a2014-05-12 15:13:39 +0000289 BigEndianNEON
Alex Lorenz6a128332014-08-19 17:05:58 +0000290 CoverageMappingFormat
Matt Arsenault03f0e832014-12-03 18:35:11 +0000291 Statepoints
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000292 MergeFunctions
Peter Collingbourne7efd7502016-06-24 21:21:32 +0000293 TypeMetadata
Michael Kruse72448522018-12-12 17:32:52 +0000294 TransformMetadata
Sanjoy Das5553bc82015-06-15 19:38:15 +0000295 FaultMaps
Alex Lorenz3d311772015-08-06 22:55:19 +0000296 MIRLangRef
David Majnemera6539272016-07-23 04:05:08 +0000297 Coroutines
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000298 GlobalISel
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000299 XRay
Dean Michael Berris46979b42017-03-31 02:51:19 +0000300 XRayExample
Keith Wyss3d0bc9e2017-08-02 21:47:27 +0000301 XRayFDRFormat
Zachary Turner218ce832016-11-10 19:24:21 +0000302 PDB/index
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000303 CFIVerify
Chandler Carruth1230d222018-08-06 00:38:31 +0000304 SpeculativeLoadHardening
Vitaly Bukad3130522018-11-26 23:16:07 +0000305 StackSafetyAnalysis
Sean Silva12159ff2013-01-20 02:19:36 +0000306
Sean Silva9d0eb942013-01-20 02:19:42 +0000307:doc:`WritingAnLLVMPass`
Sean Silva12159ff2013-01-20 02:19:36 +0000308 Information on how to write LLVM transformations and analyses.
309
Sean Silva9d0eb942013-01-20 02:19:42 +0000310:doc:`WritingAnLLVMBackend`
Sean Silva12159ff2013-01-20 02:19:36 +0000311 Information on how to write LLVM backends for machine targets.
312
Sean Silva9d0eb942013-01-20 02:19:42 +0000313:doc:`CodeGenerator`
Sean Silva12159ff2013-01-20 02:19:36 +0000314 The design and implementation of the LLVM code generator. Useful if you are
315 working on retargetting LLVM to a new architecture, designing a new codegen
316 pass, or enhancing existing components.
317
Alex Lorenz3d311772015-08-06 22:55:19 +0000318:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`
319 A reference manual for the MIR serialization format, which is used to test
320 LLVM's code generation passes.
321
Sean Silva0b4df9b2014-04-07 22:42:53 +0000322:doc:`TableGen <TableGen/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000323 Describes the TableGen tool, which is used heavily by the LLVM code
324 generator.
325
Sean Silva9d0eb942013-01-20 02:19:42 +0000326:doc:`AliasAnalysis`
Sean Silva12159ff2013-01-20 02:19:36 +0000327 Information on how to write a new alias analysis implementation or how to
328 use existing analyses.
329
George Burgess IV3bbeb732016-08-17 00:17:29 +0000330:doc:`MemorySSA`
331 Information about the MemorySSA utility in LLVM, as well as how to use it.
332
Sean Silva9d0eb942013-01-20 02:19:42 +0000333:doc:`GarbageCollection`
Sean Silva12159ff2013-01-20 02:19:36 +0000334 The interfaces source-language compilers should use for compiling GC'd
335 programs.
336
Sean Silva9d0eb942013-01-20 02:19:42 +0000337:doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
Sean Silva12159ff2013-01-20 02:19:36 +0000338 This document describes the design and philosophy behind the LLVM
339 source-level debugger.
340
Sean Silva9d0eb942013-01-20 02:19:42 +0000341:doc:`Vectorizers`
Sean Silva12159ff2013-01-20 02:19:36 +0000342 This document describes the current status of vectorization in LLVM.
343
Sean Silva9d0eb942013-01-20 02:19:42 +0000344:doc:`ExceptionHandling`
Sean Silva12159ff2013-01-20 02:19:36 +0000345 This document describes the design and implementation of exception handling
346 in LLVM.
347
Sean Silva9d0eb942013-01-20 02:19:42 +0000348:doc:`Bugpoint`
Sean Silva12159ff2013-01-20 02:19:36 +0000349 Automatic bug finder and test-case reducer description and usage
350 information.
351
Sean Silva9d0eb942013-01-20 02:19:42 +0000352:doc:`BitCodeFormat`
Sean Silva12159ff2013-01-20 02:19:36 +0000353 This describes the file format and encoding used for LLVM "bc" files.
354
Kristina Brooksab834fd2018-09-18 18:05:38 +0000355:doc:`Support Library <SupportLibrary>`
356 This document describes the LLVM Support Library (``lib/Support``) and
Sean Silva12159ff2013-01-20 02:19:36 +0000357 how to keep LLVM source code portable
358
Sean Silva9d0eb942013-01-20 02:19:42 +0000359:doc:`LinkTimeOptimization`
Sean Silva12159ff2013-01-20 02:19:36 +0000360 This document describes the interface between LLVM intermodular optimizer
361 and the linker and its design
362
Sean Silva9d0eb942013-01-20 02:19:42 +0000363:doc:`GoldPlugin`
Sean Silva12159ff2013-01-20 02:19:36 +0000364 How to build your programs with link-time optimization on Linux.
365
Sean Silva9d0eb942013-01-20 02:19:42 +0000366:doc:`DebuggingJITedCode`
Sean Silva12159ff2013-01-20 02:19:36 +0000367 How to debug JITed code with GDB.
368
Andrew Kaylor27299c32013-08-21 22:15:09 +0000369:doc:`MCJITDesignAndImplementation`
370 Describes the inner workings of MCJIT execution engine.
371
Sean Silva9d0eb942013-01-20 02:19:42 +0000372:doc:`BranchWeightMetadata`
Sean Silva12159ff2013-01-20 02:19:36 +0000373 Provides information about Branch Prediction Information.
374
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000375:doc:`BlockFrequencyTerminology`
376 Provides information about terminology used in the ``BlockFrequencyInfo``
377 analysis pass.
378
Sean Silva9d0eb942013-01-20 02:19:42 +0000379:doc:`SegmentedStacks`
Sean Silva12159ff2013-01-20 02:19:36 +0000380 This document describes segmented stacks and how they are used in LLVM.
381
Sean Silva9d0eb942013-01-20 02:19:42 +0000382:doc:`MarkedUpDisassembly`
Sean Silva12159ff2013-01-20 02:19:36 +0000383 This document describes the optional rich disassembly output syntax.
384
Joe Abbeyba3e9012013-02-12 11:45:22 +0000385:doc:`HowToUseAttributes`
386 Answers some questions about the new Attributes infrastructure.
Sean Silva12159ff2013-01-20 02:19:36 +0000387
Justin Holewinski45df8822013-03-30 16:41:14 +0000388:doc:`NVPTXUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000389 This document describes using the NVPTX backend to compile GPU kernels.
Justin Holewinski45df8822013-03-30 16:41:14 +0000390
Tom Stellard45bb48e2015-06-13 03:28:10 +0000391:doc:`AMDGPUUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000392 This document describes using the AMDGPU backend to compile GPU kernels.
Tom Stellard9d7ddd52014-11-14 14:08:00 +0000393
Andrew Trick5e029ce2013-12-24 02:57:25 +0000394:doc:`StackMaps`
395 LLVM support for mapping instruction addresses to the location of
396 values and allowing code to be patched.
Justin Holewinski45df8822013-03-30 16:41:14 +0000397
James Molloy3f7878a2014-05-12 15:13:39 +0000398:doc:`BigEndianNEON`
399 LLVM's support for generating NEON instructions on big endian ARM targets is
400 somewhat nonintuitive. This document explains the implementation and rationale.
401
Alex Lorenz6a128332014-08-19 17:05:58 +0000402:doc:`CoverageMappingFormat`
403 This describes the format and encoding used for LLVM’s code coverage mapping.
James Molloy3f7878a2014-05-12 15:13:39 +0000404
Matt Arsenault03f0e832014-12-03 18:35:11 +0000405:doc:`Statepoints`
406 This describes a set of experimental extensions for garbage
407 collection support.
408
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000409:doc:`MergeFunctions`
410 Describes functions merging optimization.
411
Sean Silvab6472fe2015-02-04 20:51:19 +0000412:doc:`InAlloca`
413 Description of the ``inalloca`` argument attribute.
414
Sanjoy Das5553bc82015-06-15 19:38:15 +0000415:doc:`FaultMaps`
416 LLVM support for folding control flow into faulting machine instructions.
417
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +0000418:doc:`CompileCudaWithLLVM`
419 LLVM support for CUDA.
420
David Majnemera6539272016-07-23 04:05:08 +0000421:doc:`Coroutines`
422 LLVM support for coroutines.
423
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000424:doc:`GlobalISel`
425 This describes the prototype instruction selection replacement, GlobalISel.
426
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000427:doc:`XRay`
428 High-level documentation of how to use XRay in LLVM.
429
Dean Michael Berris38daca62017-03-30 23:46:36 +0000430:doc:`XRayExample`
431 An example of how to debug an application with XRay.
432
Zachary Turner218ce832016-11-10 19:24:21 +0000433:doc:`The Microsoft PDB File Format <PDB/index>`
434 A detailed description of the Microsoft PDB (Program Database) file format.
435
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000436:doc:`CFIVerify`
437 A description of the verification tool for Control Flow Integrity.
438
Chandler Carruth1230d222018-08-06 00:38:31 +0000439:doc:`SpeculativeLoadHardening`
440 A description of the Speculative Load Hardening mitigation for Spectre v1.
441
Vitaly Bukad3130522018-11-26 23:16:07 +0000442:doc:`StackSafetyAnalysis`
443 This document describes the design of the stack safety analysis of local
444 variables.
445
Sean Silva12159ff2013-01-20 02:19:36 +0000446Development Process Documentation
447=================================
448
Sean Silva12159ff2013-01-20 02:19:36 +0000449Information about LLVM's development process.
450
451.. toctree::
452 :hidden:
453
Florian Hahn57edaa42018-01-04 17:12:21 +0000454 Contributing
Sean Silva9d205c82013-03-30 15:32:47 +0000455 DeveloperPolicy
Sean Silva12159ff2013-01-20 02:19:36 +0000456 Projects
457 LLVMBuild
458 HowToReleaseLLVM
Sean Silvabdb940f2013-01-28 21:28:10 +0000459 Packaging
Sean Silva3f93a612013-09-09 19:09:00 +0000460 ReleaseProcess
Adrian Prantladc41ca2014-10-03 20:17:32 +0000461 Phabricator
Kristof Beylsa8ffa522018-11-07 08:49:36 +0000462 BugLifeCycle
Sean Silva12159ff2013-01-20 02:19:36 +0000463
Florian Hahn57edaa42018-01-04 17:12:21 +0000464:doc:`Contributing`
465 An overview on how to contribute to LLVM.
466
Sean Silva9d205c82013-03-30 15:32:47 +0000467:doc:`DeveloperPolicy`
468 The LLVM project's policy towards developers and their contributions.
469
Sean Silva9d0eb942013-01-20 02:19:42 +0000470:doc:`Projects`
Sean Silva12159ff2013-01-20 02:19:36 +0000471 How-to guide and templates for new projects that *use* the LLVM
472 infrastructure. The templates (directory organization, Makefiles, and test
473 tree) allow the project code to be located outside (or inside) the ``llvm/``
474 tree, while using LLVM header files and libraries.
475
Sean Silva9d0eb942013-01-20 02:19:42 +0000476:doc:`LLVMBuild`
Sean Silva12159ff2013-01-20 02:19:36 +0000477 Describes the LLVMBuild organization and files used by LLVM to specify
478 component descriptions.
479
Sean Silva9d0eb942013-01-20 02:19:42 +0000480:doc:`HowToReleaseLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000481 This is a guide to preparing LLVM releases. Most developers can ignore it.
482
Renato Golinc08f2182013-05-28 10:32:55 +0000483:doc:`ReleaseProcess`
Jyoti Allur223602d2014-09-26 06:59:15 +0000484 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 +0000485
Sean Silvabdb940f2013-01-28 21:28:10 +0000486:doc:`Packaging`
487 Advice on packaging LLVM into a distribution.
488
Adrian Prantladc41ca2014-10-03 20:17:32 +0000489:doc:`Phabricator`
490 Describes how to use the Phabricator code review tool hosted on
491 http://reviews.llvm.org/ and its command line interface, Arcanist.
492
Kristof Beylsa8ffa522018-11-07 08:49:36 +0000493:doc:`BugLifeCycle`
494 Describes how bugs are reported, triaged and closed.
495
Sean Silva01299242013-03-30 15:32:51 +0000496Community
497=========
498
499LLVM has a thriving community of friendly and helpful developers.
500The two primary communication mechanisms in the LLVM community are mailing
501lists and IRC.
502
Sean Silva12159ff2013-01-20 02:19:36 +0000503Mailing Lists
Sean Silva01299242013-03-30 15:32:51 +0000504-------------
Sean Silva12159ff2013-01-20 02:19:36 +0000505
506If you can't find what you need in these docs, try consulting the mailing
507lists.
508
Tanya Lattner0d28f802015-08-05 03:51:17 +0000509`Developer's List (llvm-dev)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000510 This list is for people who want to be included in technical discussions of
511 LLVM. People post to this list when they have questions about writing code
512 for or using the LLVM tools. It is relatively low volume.
513
Tanya Lattner0d28f802015-08-05 03:51:17 +0000514 .. __: http://lists.llvm.org/mailman/listinfo/llvm-dev
Sean Silva12159ff2013-01-20 02:19:36 +0000515
Sean Silvaab4997d2013-03-30 15:33:01 +0000516`Commits Archive (llvm-commits)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000517 This list contains all commit messages that are made when LLVM developers
Sean Silva2a746992013-03-30 15:33:02 +0000518 commit code changes to the repository. It also serves as a forum for
519 patch review (i.e. send patches here). It is useful for those who want to
520 stay on the bleeding edge of LLVM development. This list is very high
521 volume.
Sean Silva12159ff2013-01-20 02:19:36 +0000522
Tanya Lattner0d28f802015-08-05 03:51:17 +0000523 .. __: http://lists.llvm.org/pipermail/llvm-commits/
Sean Silva12159ff2013-01-20 02:19:36 +0000524
Tanya Lattner0d28f802015-08-05 03:51:17 +0000525`Bugs & Patches Archive (llvm-bugs)`__
Sean Silva2a746992013-03-30 15:33:02 +0000526 This list gets emailed every time a bug is opened and closed. It is
Tanya Lattner0d28f802015-08-05 03:51:17 +0000527 higher volume than the LLVM-dev list.
Sean Silva84b296c2013-03-30 15:32:54 +0000528
Tanya Lattner0d28f802015-08-05 03:51:17 +0000529 .. __: http://lists.llvm.org/pipermail/llvm-bugs/
Sean Silva84b296c2013-03-30 15:32:54 +0000530
Sean Silvaab4997d2013-03-30 15:33:01 +0000531`Test Results Archive (llvm-testresults)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000532 A message is automatically sent to this list by every active nightly tester
533 when it completes. As such, this list gets email several times each day,
534 making it a high volume list.
535
Tanya Lattner0d28f802015-08-05 03:51:17 +0000536 .. __: http://lists.llvm.org/pipermail/llvm-testresults/
Sean Silva9d0eb942013-01-20 02:19:42 +0000537
Sean Silvaab4997d2013-03-30 15:33:01 +0000538`LLVM Announcements List (llvm-announce)`__
Sean Silva84b296c2013-03-30 15:32:54 +0000539 This is a low volume list that provides important announcements regarding
540 LLVM. It gets email about once a month.
541
Tanya Lattner0d28f802015-08-05 03:51:17 +0000542 .. __: http://lists.llvm.org/mailman/listinfo/llvm-announce
Sean Silva84b296c2013-03-30 15:32:54 +0000543
Sean Silva01299242013-03-30 15:32:51 +0000544IRC
545---
546
547Users and developers of the LLVM project (including subprojects such as Clang)
548can be found in #llvm on `irc.oftc.net <irc://irc.oftc.net/llvm>`_.
549
550This channel has several bots.
551
552* Buildbot reporters
553
554 * llvmbb - Bot for the main LLVM buildbot master.
555 http://lab.llvm.org:8011/console
Sean Silva01299242013-03-30 15:32:51 +0000556 * smooshlab - Apple's internal buildbot master.
557
558* robot - Bugzilla linker. %bug <number>
559
560* clang-bot - A `geordi <http://www.eelis.net/geordi/>`_ instance running
561 near-trunk clang instead of gcc.
562
Renato Goline433cf72016-07-20 09:38:04 +0000563Community wide proposals
564------------------------
565
566Proposals for massive changes in how the community behaves and how the work flow
567can be better.
568
569.. toctree::
570 :hidden:
571
572 CodeOfConduct
Mehdi Amini647deb82016-10-12 23:02:02 +0000573 Proposals/GitHubMove
Michael Kruse53c722d2018-10-23 19:46:29 +0000574 Proposals/TestSuite
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000575 Proposals/VectorizationPlan
Renato Goline433cf72016-07-20 09:38:04 +0000576
577:doc:`CodeOfConduct`
578 Proposal to adopt a code of conduct on the LLVM social spaces (lists, events,
579 IRC, etc).
580
Mehdi Amini647deb82016-10-12 23:02:02 +0000581:doc:`Proposals/GitHubMove`
Renato Goline433cf72016-07-20 09:38:04 +0000582 Proposal to move from SVN/Git to GitHub.
583
Michael Kruse53c722d2018-10-23 19:46:29 +0000584:doc:`Proposals/TestSuite`
585 Proposals for additional benchmarks/programs for llvm's test-suite.
586
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000587:doc:`Proposals/VectorizationPlan`
588 Proposal to model the process and upgrade the infrastructure of LLVM's Loop Vectorizer.
Sean Silva01299242013-03-30 15:32:51 +0000589
Daniel Dunbarfbb80412012-04-19 16:31:37 +0000590Indices and tables
591==================
592
593* :ref:`genindex`
594* :ref:`search`