blob: 97193dbbdf1f2353823558321605174af83fdddd [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
Kevin P. Neal339594e2019-04-11 17:16:03 +0000270 AddingConstrainedIntrinsics
Sean Silva12159ff2013-01-20 02:19:36 +0000271 LinkTimeOptimization
272 SegmentedStacks
273 TableGenFundamentals
Renato Golinca105642014-03-20 16:08:34 +0000274 TableGen/index
Sean Silva12159ff2013-01-20 02:19:36 +0000275 DebuggingJITedCode
276 GoldPlugin
277 MarkedUpDisassembly
278 SystemLibrary
Kristina Brooksab834fd2018-09-18 18:05:38 +0000279 SupportLibrary
Sean Silva12159ff2013-01-20 02:19:36 +0000280 SourceLevelDebugging
281 Vectorizers
282 WritingAnLLVMBackend
283 GarbageCollection
284 WritingAnLLVMPass
Joe Abbeyba3e9012013-02-12 11:45:22 +0000285 HowToUseAttributes
Justin Holewinski45df8822013-03-30 16:41:14 +0000286 NVPTXUsage
Tom Stellard45bb48e2015-06-13 03:28:10 +0000287 AMDGPUUsage
Andrew Trick5e029ce2013-12-24 02:57:25 +0000288 StackMaps
Sean Silva216f1ee2014-03-02 00:21:42 +0000289 InAlloca
James Molloy3f7878a2014-05-12 15:13:39 +0000290 BigEndianNEON
Alex Lorenz6a128332014-08-19 17:05:58 +0000291 CoverageMappingFormat
Matt Arsenault03f0e832014-12-03 18:35:11 +0000292 Statepoints
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000293 MergeFunctions
Peter Collingbourne7efd7502016-06-24 21:21:32 +0000294 TypeMetadata
Michael Kruse72448522018-12-12 17:32:52 +0000295 TransformMetadata
Sanjoy Das5553bc82015-06-15 19:38:15 +0000296 FaultMaps
Alex Lorenz3d311772015-08-06 22:55:19 +0000297 MIRLangRef
David Majnemera6539272016-07-23 04:05:08 +0000298 Coroutines
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000299 GlobalISel
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000300 XRay
Dean Michael Berris46979b42017-03-31 02:51:19 +0000301 XRayExample
Keith Wyss3d0bc9e2017-08-02 21:47:27 +0000302 XRayFDRFormat
Zachary Turner218ce832016-11-10 19:24:21 +0000303 PDB/index
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000304 CFIVerify
Chandler Carruth1230d222018-08-06 00:38:31 +0000305 SpeculativeLoadHardening
Vitaly Bukad3130522018-11-26 23:16:07 +0000306 StackSafetyAnalysis
Sean Silva12159ff2013-01-20 02:19:36 +0000307
Sean Silva9d0eb942013-01-20 02:19:42 +0000308:doc:`WritingAnLLVMPass`
Sean Silva12159ff2013-01-20 02:19:36 +0000309 Information on how to write LLVM transformations and analyses.
310
Sean Silva9d0eb942013-01-20 02:19:42 +0000311:doc:`WritingAnLLVMBackend`
Sean Silva12159ff2013-01-20 02:19:36 +0000312 Information on how to write LLVM backends for machine targets.
313
Sean Silva9d0eb942013-01-20 02:19:42 +0000314:doc:`CodeGenerator`
Sean Silva12159ff2013-01-20 02:19:36 +0000315 The design and implementation of the LLVM code generator. Useful if you are
316 working on retargetting LLVM to a new architecture, designing a new codegen
317 pass, or enhancing existing components.
318
Alex Lorenz3d311772015-08-06 22:55:19 +0000319:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`
320 A reference manual for the MIR serialization format, which is used to test
321 LLVM's code generation passes.
322
Sean Silva0b4df9b2014-04-07 22:42:53 +0000323:doc:`TableGen <TableGen/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000324 Describes the TableGen tool, which is used heavily by the LLVM code
325 generator.
326
Sean Silva9d0eb942013-01-20 02:19:42 +0000327:doc:`AliasAnalysis`
Sean Silva12159ff2013-01-20 02:19:36 +0000328 Information on how to write a new alias analysis implementation or how to
329 use existing analyses.
330
George Burgess IV3bbeb732016-08-17 00:17:29 +0000331:doc:`MemorySSA`
332 Information about the MemorySSA utility in LLVM, as well as how to use it.
333
Sean Silva9d0eb942013-01-20 02:19:42 +0000334:doc:`GarbageCollection`
Sean Silva12159ff2013-01-20 02:19:36 +0000335 The interfaces source-language compilers should use for compiling GC'd
336 programs.
337
Sean Silva9d0eb942013-01-20 02:19:42 +0000338:doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
Sean Silva12159ff2013-01-20 02:19:36 +0000339 This document describes the design and philosophy behind the LLVM
340 source-level debugger.
341
Sean Silva9d0eb942013-01-20 02:19:42 +0000342:doc:`Vectorizers`
Sean Silva12159ff2013-01-20 02:19:36 +0000343 This document describes the current status of vectorization in LLVM.
344
Sean Silva9d0eb942013-01-20 02:19:42 +0000345:doc:`ExceptionHandling`
Sean Silva12159ff2013-01-20 02:19:36 +0000346 This document describes the design and implementation of exception handling
347 in LLVM.
348
Kevin P. Neal339594e2019-04-11 17:16:03 +0000349:doc:`AddingConstrainedIntrinsics`
350 Gives the steps necessary when adding a new constrained math intrinsic
351 to LLVM.
352
Sean Silva9d0eb942013-01-20 02:19:42 +0000353:doc:`Bugpoint`
Sean Silva12159ff2013-01-20 02:19:36 +0000354 Automatic bug finder and test-case reducer description and usage
355 information.
356
Sean Silva9d0eb942013-01-20 02:19:42 +0000357:doc:`BitCodeFormat`
Sean Silva12159ff2013-01-20 02:19:36 +0000358 This describes the file format and encoding used for LLVM "bc" files.
359
Kristina Brooksab834fd2018-09-18 18:05:38 +0000360:doc:`Support Library <SupportLibrary>`
361 This document describes the LLVM Support Library (``lib/Support``) and
Sean Silva12159ff2013-01-20 02:19:36 +0000362 how to keep LLVM source code portable
363
Sean Silva9d0eb942013-01-20 02:19:42 +0000364:doc:`LinkTimeOptimization`
Sean Silva12159ff2013-01-20 02:19:36 +0000365 This document describes the interface between LLVM intermodular optimizer
366 and the linker and its design
367
Sean Silva9d0eb942013-01-20 02:19:42 +0000368:doc:`GoldPlugin`
Sean Silva12159ff2013-01-20 02:19:36 +0000369 How to build your programs with link-time optimization on Linux.
370
Sean Silva9d0eb942013-01-20 02:19:42 +0000371:doc:`DebuggingJITedCode`
Sean Silva12159ff2013-01-20 02:19:36 +0000372 How to debug JITed code with GDB.
373
Andrew Kaylor27299c32013-08-21 22:15:09 +0000374:doc:`MCJITDesignAndImplementation`
375 Describes the inner workings of MCJIT execution engine.
376
Sean Silva9d0eb942013-01-20 02:19:42 +0000377:doc:`BranchWeightMetadata`
Sean Silva12159ff2013-01-20 02:19:36 +0000378 Provides information about Branch Prediction Information.
379
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000380:doc:`BlockFrequencyTerminology`
381 Provides information about terminology used in the ``BlockFrequencyInfo``
382 analysis pass.
383
Sean Silva9d0eb942013-01-20 02:19:42 +0000384:doc:`SegmentedStacks`
Sean Silva12159ff2013-01-20 02:19:36 +0000385 This document describes segmented stacks and how they are used in LLVM.
386
Sean Silva9d0eb942013-01-20 02:19:42 +0000387:doc:`MarkedUpDisassembly`
Sean Silva12159ff2013-01-20 02:19:36 +0000388 This document describes the optional rich disassembly output syntax.
389
Joe Abbeyba3e9012013-02-12 11:45:22 +0000390:doc:`HowToUseAttributes`
391 Answers some questions about the new Attributes infrastructure.
Sean Silva12159ff2013-01-20 02:19:36 +0000392
Justin Holewinski45df8822013-03-30 16:41:14 +0000393:doc:`NVPTXUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000394 This document describes using the NVPTX backend to compile GPU kernels.
Justin Holewinski45df8822013-03-30 16:41:14 +0000395
Tom Stellard45bb48e2015-06-13 03:28:10 +0000396:doc:`AMDGPUUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000397 This document describes using the AMDGPU backend to compile GPU kernels.
Tom Stellard9d7ddd52014-11-14 14:08:00 +0000398
Andrew Trick5e029ce2013-12-24 02:57:25 +0000399:doc:`StackMaps`
400 LLVM support for mapping instruction addresses to the location of
401 values and allowing code to be patched.
Justin Holewinski45df8822013-03-30 16:41:14 +0000402
James Molloy3f7878a2014-05-12 15:13:39 +0000403:doc:`BigEndianNEON`
404 LLVM's support for generating NEON instructions on big endian ARM targets is
405 somewhat nonintuitive. This document explains the implementation and rationale.
406
Alex Lorenz6a128332014-08-19 17:05:58 +0000407:doc:`CoverageMappingFormat`
408 This describes the format and encoding used for LLVM’s code coverage mapping.
James Molloy3f7878a2014-05-12 15:13:39 +0000409
Matt Arsenault03f0e832014-12-03 18:35:11 +0000410:doc:`Statepoints`
411 This describes a set of experimental extensions for garbage
412 collection support.
413
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000414:doc:`MergeFunctions`
415 Describes functions merging optimization.
416
Sean Silvab6472fe2015-02-04 20:51:19 +0000417:doc:`InAlloca`
418 Description of the ``inalloca`` argument attribute.
419
Sanjoy Das5553bc82015-06-15 19:38:15 +0000420:doc:`FaultMaps`
421 LLVM support for folding control flow into faulting machine instructions.
422
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +0000423:doc:`CompileCudaWithLLVM`
424 LLVM support for CUDA.
425
David Majnemera6539272016-07-23 04:05:08 +0000426:doc:`Coroutines`
427 LLVM support for coroutines.
428
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000429:doc:`GlobalISel`
430 This describes the prototype instruction selection replacement, GlobalISel.
431
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000432:doc:`XRay`
433 High-level documentation of how to use XRay in LLVM.
434
Dean Michael Berris38daca62017-03-30 23:46:36 +0000435:doc:`XRayExample`
436 An example of how to debug an application with XRay.
437
Zachary Turner218ce832016-11-10 19:24:21 +0000438:doc:`The Microsoft PDB File Format <PDB/index>`
439 A detailed description of the Microsoft PDB (Program Database) file format.
440
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000441:doc:`CFIVerify`
442 A description of the verification tool for Control Flow Integrity.
443
Chandler Carruth1230d222018-08-06 00:38:31 +0000444:doc:`SpeculativeLoadHardening`
445 A description of the Speculative Load Hardening mitigation for Spectre v1.
446
Vitaly Bukad3130522018-11-26 23:16:07 +0000447:doc:`StackSafetyAnalysis`
448 This document describes the design of the stack safety analysis of local
449 variables.
450
Sean Silva12159ff2013-01-20 02:19:36 +0000451Development Process Documentation
452=================================
453
Sean Silva12159ff2013-01-20 02:19:36 +0000454Information about LLVM's development process.
455
456.. toctree::
457 :hidden:
458
Florian Hahn57edaa42018-01-04 17:12:21 +0000459 Contributing
Sean Silva9d205c82013-03-30 15:32:47 +0000460 DeveloperPolicy
Sean Silva12159ff2013-01-20 02:19:36 +0000461 Projects
462 LLVMBuild
463 HowToReleaseLLVM
Sean Silvabdb940f2013-01-28 21:28:10 +0000464 Packaging
Sean Silva3f93a612013-09-09 19:09:00 +0000465 ReleaseProcess
Adrian Prantladc41ca2014-10-03 20:17:32 +0000466 Phabricator
Kristof Beylsa8ffa522018-11-07 08:49:36 +0000467 BugLifeCycle
Sean Silva12159ff2013-01-20 02:19:36 +0000468
Florian Hahn57edaa42018-01-04 17:12:21 +0000469:doc:`Contributing`
470 An overview on how to contribute to LLVM.
471
Sean Silva9d205c82013-03-30 15:32:47 +0000472:doc:`DeveloperPolicy`
473 The LLVM project's policy towards developers and their contributions.
474
Sean Silva9d0eb942013-01-20 02:19:42 +0000475:doc:`Projects`
Sean Silva12159ff2013-01-20 02:19:36 +0000476 How-to guide and templates for new projects that *use* the LLVM
477 infrastructure. The templates (directory organization, Makefiles, and test
478 tree) allow the project code to be located outside (or inside) the ``llvm/``
479 tree, while using LLVM header files and libraries.
480
Sean Silva9d0eb942013-01-20 02:19:42 +0000481:doc:`LLVMBuild`
Sean Silva12159ff2013-01-20 02:19:36 +0000482 Describes the LLVMBuild organization and files used by LLVM to specify
483 component descriptions.
484
Sean Silva9d0eb942013-01-20 02:19:42 +0000485:doc:`HowToReleaseLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000486 This is a guide to preparing LLVM releases. Most developers can ignore it.
487
Renato Golinc08f2182013-05-28 10:32:55 +0000488:doc:`ReleaseProcess`
Jyoti Allur223602d2014-09-26 06:59:15 +0000489 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 +0000490
Sean Silvabdb940f2013-01-28 21:28:10 +0000491:doc:`Packaging`
492 Advice on packaging LLVM into a distribution.
493
Adrian Prantladc41ca2014-10-03 20:17:32 +0000494:doc:`Phabricator`
495 Describes how to use the Phabricator code review tool hosted on
496 http://reviews.llvm.org/ and its command line interface, Arcanist.
497
Kristof Beylsa8ffa522018-11-07 08:49:36 +0000498:doc:`BugLifeCycle`
499 Describes how bugs are reported, triaged and closed.
500
Sean Silva01299242013-03-30 15:32:51 +0000501Community
502=========
503
504LLVM has a thriving community of friendly and helpful developers.
505The two primary communication mechanisms in the LLVM community are mailing
506lists and IRC.
507
Sean Silva12159ff2013-01-20 02:19:36 +0000508Mailing Lists
Sean Silva01299242013-03-30 15:32:51 +0000509-------------
Sean Silva12159ff2013-01-20 02:19:36 +0000510
511If you can't find what you need in these docs, try consulting the mailing
512lists.
513
Tanya Lattner0d28f802015-08-05 03:51:17 +0000514`Developer's List (llvm-dev)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000515 This list is for people who want to be included in technical discussions of
516 LLVM. People post to this list when they have questions about writing code
517 for or using the LLVM tools. It is relatively low volume.
518
Tanya Lattner0d28f802015-08-05 03:51:17 +0000519 .. __: http://lists.llvm.org/mailman/listinfo/llvm-dev
Sean Silva12159ff2013-01-20 02:19:36 +0000520
Sean Silvaab4997d2013-03-30 15:33:01 +0000521`Commits Archive (llvm-commits)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000522 This list contains all commit messages that are made when LLVM developers
Sean Silva2a746992013-03-30 15:33:02 +0000523 commit code changes to the repository. It also serves as a forum for
524 patch review (i.e. send patches here). It is useful for those who want to
525 stay on the bleeding edge of LLVM development. This list is very high
526 volume.
Sean Silva12159ff2013-01-20 02:19:36 +0000527
Tanya Lattner0d28f802015-08-05 03:51:17 +0000528 .. __: http://lists.llvm.org/pipermail/llvm-commits/
Sean Silva12159ff2013-01-20 02:19:36 +0000529
Tanya Lattner0d28f802015-08-05 03:51:17 +0000530`Bugs & Patches Archive (llvm-bugs)`__
Sean Silva2a746992013-03-30 15:33:02 +0000531 This list gets emailed every time a bug is opened and closed. It is
Tanya Lattner0d28f802015-08-05 03:51:17 +0000532 higher volume than the LLVM-dev list.
Sean Silva84b296c2013-03-30 15:32:54 +0000533
Tanya Lattner0d28f802015-08-05 03:51:17 +0000534 .. __: http://lists.llvm.org/pipermail/llvm-bugs/
Sean Silva84b296c2013-03-30 15:32:54 +0000535
Sean Silvaab4997d2013-03-30 15:33:01 +0000536`Test Results Archive (llvm-testresults)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000537 A message is automatically sent to this list by every active nightly tester
538 when it completes. As such, this list gets email several times each day,
539 making it a high volume list.
540
Tanya Lattner0d28f802015-08-05 03:51:17 +0000541 .. __: http://lists.llvm.org/pipermail/llvm-testresults/
Sean Silva9d0eb942013-01-20 02:19:42 +0000542
Sean Silvaab4997d2013-03-30 15:33:01 +0000543`LLVM Announcements List (llvm-announce)`__
Sean Silva84b296c2013-03-30 15:32:54 +0000544 This is a low volume list that provides important announcements regarding
545 LLVM. It gets email about once a month.
546
Tanya Lattner0d28f802015-08-05 03:51:17 +0000547 .. __: http://lists.llvm.org/mailman/listinfo/llvm-announce
Sean Silva84b296c2013-03-30 15:32:54 +0000548
Sean Silva01299242013-03-30 15:32:51 +0000549IRC
550---
551
552Users and developers of the LLVM project (including subprojects such as Clang)
553can be found in #llvm on `irc.oftc.net <irc://irc.oftc.net/llvm>`_.
554
555This channel has several bots.
556
557* Buildbot reporters
558
559 * llvmbb - Bot for the main LLVM buildbot master.
560 http://lab.llvm.org:8011/console
Sean Silva01299242013-03-30 15:32:51 +0000561 * smooshlab - Apple's internal buildbot master.
562
563* robot - Bugzilla linker. %bug <number>
564
565* clang-bot - A `geordi <http://www.eelis.net/geordi/>`_ instance running
566 near-trunk clang instead of gcc.
567
Alex Denisovc5c9ca02019-05-14 07:20:58 +0000568Meetups and social events
569-------------------------
570
571.. toctree::
572 :hidden:
573
574 MeetupGuidelines
575
576Besides developer `meetings and conferences <https://llvm.org/devmtg/>`_,
577there are several user groups called
578`LLVM Socials <https://www.meetup.com/pro/llvm/>`_. We greatly encourage you to
579join one in your city. Or start a new one if there is none:
580
581:doc:`MeetupGuidelines`
582
Renato Goline433cf72016-07-20 09:38:04 +0000583Community wide proposals
584------------------------
585
586Proposals for massive changes in how the community behaves and how the work flow
587can be better.
588
589.. toctree::
590 :hidden:
591
592 CodeOfConduct
Mehdi Amini647deb82016-10-12 23:02:02 +0000593 Proposals/GitHubMove
Michael Kruse53c722d2018-10-23 19:46:29 +0000594 Proposals/TestSuite
Michael Platings7aecb642019-03-28 14:42:21 +0000595 Proposals/VariableNames
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000596 Proposals/VectorizationPlan
Renato Goline433cf72016-07-20 09:38:04 +0000597
598:doc:`CodeOfConduct`
599 Proposal to adopt a code of conduct on the LLVM social spaces (lists, events,
600 IRC, etc).
601
Mehdi Amini647deb82016-10-12 23:02:02 +0000602:doc:`Proposals/GitHubMove`
Renato Goline433cf72016-07-20 09:38:04 +0000603 Proposal to move from SVN/Git to GitHub.
604
Michael Kruse53c722d2018-10-23 19:46:29 +0000605:doc:`Proposals/TestSuite`
606 Proposals for additional benchmarks/programs for llvm's test-suite.
607
Michael Platings7aecb642019-03-28 14:42:21 +0000608:doc:`Proposals/VariableNames`
609 Proposal to change the variable names coding standard.
610
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000611:doc:`Proposals/VectorizationPlan`
612 Proposal to model the process and upgrade the infrastructure of LLVM's Loop Vectorizer.
Sean Silva01299242013-03-30 15:32:51 +0000613
Daniel Dunbarfbb80412012-04-19 16:31:37 +0000614Indices and tables
615==================
616
617* :ref:`genindex`
618* :ref:`search`