blob: bd2005d760934009195d80e7cc98044525ec3b60 [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
275 SourceLevelDebugging
276 Vectorizers
277 WritingAnLLVMBackend
278 GarbageCollection
279 WritingAnLLVMPass
Joe Abbeyba3e9012013-02-12 11:45:22 +0000280 HowToUseAttributes
Justin Holewinski45df8822013-03-30 16:41:14 +0000281 NVPTXUsage
Tom Stellard45bb48e2015-06-13 03:28:10 +0000282 AMDGPUUsage
Andrew Trick5e029ce2013-12-24 02:57:25 +0000283 StackMaps
Sean Silva216f1ee2014-03-02 00:21:42 +0000284 InAlloca
James Molloy3f7878a2014-05-12 15:13:39 +0000285 BigEndianNEON
Alex Lorenz6a128332014-08-19 17:05:58 +0000286 CoverageMappingFormat
Matt Arsenault03f0e832014-12-03 18:35:11 +0000287 Statepoints
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000288 MergeFunctions
Peter Collingbourne7efd7502016-06-24 21:21:32 +0000289 TypeMetadata
Sanjoy Das5553bc82015-06-15 19:38:15 +0000290 FaultMaps
Alex Lorenz3d311772015-08-06 22:55:19 +0000291 MIRLangRef
David Majnemera6539272016-07-23 04:05:08 +0000292 Coroutines
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000293 GlobalISel
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000294 XRay
Dean Michael Berris46979b42017-03-31 02:51:19 +0000295 XRayExample
Keith Wyss3d0bc9e2017-08-02 21:47:27 +0000296 XRayFDRFormat
Zachary Turner218ce832016-11-10 19:24:21 +0000297 PDB/index
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000298 CFIVerify
Chandler Carruth1230d222018-08-06 00:38:31 +0000299 SpeculativeLoadHardening
Sean Silva12159ff2013-01-20 02:19:36 +0000300
Sean Silva9d0eb942013-01-20 02:19:42 +0000301:doc:`WritingAnLLVMPass`
Sean Silva12159ff2013-01-20 02:19:36 +0000302 Information on how to write LLVM transformations and analyses.
303
Sean Silva9d0eb942013-01-20 02:19:42 +0000304:doc:`WritingAnLLVMBackend`
Sean Silva12159ff2013-01-20 02:19:36 +0000305 Information on how to write LLVM backends for machine targets.
306
Sean Silva9d0eb942013-01-20 02:19:42 +0000307:doc:`CodeGenerator`
Sean Silva12159ff2013-01-20 02:19:36 +0000308 The design and implementation of the LLVM code generator. Useful if you are
309 working on retargetting LLVM to a new architecture, designing a new codegen
310 pass, or enhancing existing components.
311
Alex Lorenz3d311772015-08-06 22:55:19 +0000312:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`
313 A reference manual for the MIR serialization format, which is used to test
314 LLVM's code generation passes.
315
Sean Silva0b4df9b2014-04-07 22:42:53 +0000316:doc:`TableGen <TableGen/index>`
Sean Silva12159ff2013-01-20 02:19:36 +0000317 Describes the TableGen tool, which is used heavily by the LLVM code
318 generator.
319
Sean Silva9d0eb942013-01-20 02:19:42 +0000320:doc:`AliasAnalysis`
Sean Silva12159ff2013-01-20 02:19:36 +0000321 Information on how to write a new alias analysis implementation or how to
322 use existing analyses.
323
George Burgess IV3bbeb732016-08-17 00:17:29 +0000324:doc:`MemorySSA`
325 Information about the MemorySSA utility in LLVM, as well as how to use it.
326
Sean Silva9d0eb942013-01-20 02:19:42 +0000327:doc:`GarbageCollection`
Sean Silva12159ff2013-01-20 02:19:36 +0000328 The interfaces source-language compilers should use for compiling GC'd
329 programs.
330
Sean Silva9d0eb942013-01-20 02:19:42 +0000331:doc:`Source Level Debugging with LLVM <SourceLevelDebugging>`
Sean Silva12159ff2013-01-20 02:19:36 +0000332 This document describes the design and philosophy behind the LLVM
333 source-level debugger.
334
Sean Silva9d0eb942013-01-20 02:19:42 +0000335:doc:`Vectorizers`
Sean Silva12159ff2013-01-20 02:19:36 +0000336 This document describes the current status of vectorization in LLVM.
337
Sean Silva9d0eb942013-01-20 02:19:42 +0000338:doc:`ExceptionHandling`
Sean Silva12159ff2013-01-20 02:19:36 +0000339 This document describes the design and implementation of exception handling
340 in LLVM.
341
Sean Silva9d0eb942013-01-20 02:19:42 +0000342:doc:`Bugpoint`
Sean Silva12159ff2013-01-20 02:19:36 +0000343 Automatic bug finder and test-case reducer description and usage
344 information.
345
Sean Silva9d0eb942013-01-20 02:19:42 +0000346:doc:`BitCodeFormat`
Sean Silva12159ff2013-01-20 02:19:36 +0000347 This describes the file format and encoding used for LLVM "bc" files.
348
Sean Silva9d0eb942013-01-20 02:19:42 +0000349:doc:`System Library <SystemLibrary>`
Sean Silva12159ff2013-01-20 02:19:36 +0000350 This document describes the LLVM System Library (``lib/System``) and
351 how to keep LLVM source code portable
352
Sean Silva9d0eb942013-01-20 02:19:42 +0000353:doc:`LinkTimeOptimization`
Sean Silva12159ff2013-01-20 02:19:36 +0000354 This document describes the interface between LLVM intermodular optimizer
355 and the linker and its design
356
Sean Silva9d0eb942013-01-20 02:19:42 +0000357:doc:`GoldPlugin`
Sean Silva12159ff2013-01-20 02:19:36 +0000358 How to build your programs with link-time optimization on Linux.
359
Sean Silva9d0eb942013-01-20 02:19:42 +0000360:doc:`DebuggingJITedCode`
Sean Silva12159ff2013-01-20 02:19:36 +0000361 How to debug JITed code with GDB.
362
Andrew Kaylor27299c32013-08-21 22:15:09 +0000363:doc:`MCJITDesignAndImplementation`
364 Describes the inner workings of MCJIT execution engine.
365
Sean Silva9d0eb942013-01-20 02:19:42 +0000366:doc:`BranchWeightMetadata`
Sean Silva12159ff2013-01-20 02:19:36 +0000367 Provides information about Branch Prediction Information.
368
Duncan P. N. Exon Smith6e40cec2014-04-11 23:21:07 +0000369:doc:`BlockFrequencyTerminology`
370 Provides information about terminology used in the ``BlockFrequencyInfo``
371 analysis pass.
372
Sean Silva9d0eb942013-01-20 02:19:42 +0000373:doc:`SegmentedStacks`
Sean Silva12159ff2013-01-20 02:19:36 +0000374 This document describes segmented stacks and how they are used in LLVM.
375
Sean Silva9d0eb942013-01-20 02:19:42 +0000376:doc:`MarkedUpDisassembly`
Sean Silva12159ff2013-01-20 02:19:36 +0000377 This document describes the optional rich disassembly output syntax.
378
Joe Abbeyba3e9012013-02-12 11:45:22 +0000379:doc:`HowToUseAttributes`
380 Answers some questions about the new Attributes infrastructure.
Sean Silva12159ff2013-01-20 02:19:36 +0000381
Justin Holewinski45df8822013-03-30 16:41:14 +0000382:doc:`NVPTXUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000383 This document describes using the NVPTX backend to compile GPU kernels.
Justin Holewinski45df8822013-03-30 16:41:14 +0000384
Tom Stellard45bb48e2015-06-13 03:28:10 +0000385:doc:`AMDGPUUsage`
Tony Tyef16a45e2017-06-06 20:31:59 +0000386 This document describes using the AMDGPU backend to compile GPU kernels.
Tom Stellard9d7ddd52014-11-14 14:08:00 +0000387
Andrew Trick5e029ce2013-12-24 02:57:25 +0000388:doc:`StackMaps`
389 LLVM support for mapping instruction addresses to the location of
390 values and allowing code to be patched.
Justin Holewinski45df8822013-03-30 16:41:14 +0000391
James Molloy3f7878a2014-05-12 15:13:39 +0000392:doc:`BigEndianNEON`
393 LLVM's support for generating NEON instructions on big endian ARM targets is
394 somewhat nonintuitive. This document explains the implementation and rationale.
395
Alex Lorenz6a128332014-08-19 17:05:58 +0000396:doc:`CoverageMappingFormat`
397 This describes the format and encoding used for LLVM’s code coverage mapping.
James Molloy3f7878a2014-05-12 15:13:39 +0000398
Matt Arsenault03f0e832014-12-03 18:35:11 +0000399:doc:`Statepoints`
400 This describes a set of experimental extensions for garbage
401 collection support.
402
Stepan Dyatkovskiyf0c3a342014-12-10 17:42:01 +0000403:doc:`MergeFunctions`
404 Describes functions merging optimization.
405
Sean Silvab6472fe2015-02-04 20:51:19 +0000406:doc:`InAlloca`
407 Description of the ``inalloca`` argument attribute.
408
Sanjoy Das5553bc82015-06-15 19:38:15 +0000409:doc:`FaultMaps`
410 LLVM support for folding control flow into faulting machine instructions.
411
Jingyue Wu4f2a6cb2015-11-10 22:35:47 +0000412:doc:`CompileCudaWithLLVM`
413 LLVM support for CUDA.
414
David Majnemera6539272016-07-23 04:05:08 +0000415:doc:`Coroutines`
416 LLVM support for coroutines.
417
Ahmed Bougacha29d9da12016-11-04 17:57:34 +0000418:doc:`GlobalISel`
419 This describes the prototype instruction selection replacement, GlobalISel.
420
Dean Michael Berrisf3da16b2016-11-09 00:24:58 +0000421:doc:`XRay`
422 High-level documentation of how to use XRay in LLVM.
423
Dean Michael Berris38daca62017-03-30 23:46:36 +0000424:doc:`XRayExample`
425 An example of how to debug an application with XRay.
426
Zachary Turner218ce832016-11-10 19:24:21 +0000427:doc:`The Microsoft PDB File Format <PDB/index>`
428 A detailed description of the Microsoft PDB (Program Database) file format.
429
Vlad Tsyrklevich31b45312017-09-20 20:38:14 +0000430:doc:`CFIVerify`
431 A description of the verification tool for Control Flow Integrity.
432
Chandler Carruth1230d222018-08-06 00:38:31 +0000433:doc:`SpeculativeLoadHardening`
434 A description of the Speculative Load Hardening mitigation for Spectre v1.
435
Sean Silva12159ff2013-01-20 02:19:36 +0000436Development Process Documentation
437=================================
438
Sean Silva12159ff2013-01-20 02:19:36 +0000439Information about LLVM's development process.
440
441.. toctree::
442 :hidden:
443
Florian Hahn57edaa42018-01-04 17:12:21 +0000444 Contributing
Sean Silva9d205c82013-03-30 15:32:47 +0000445 DeveloperPolicy
Sean Silva12159ff2013-01-20 02:19:36 +0000446 Projects
447 LLVMBuild
448 HowToReleaseLLVM
Sean Silvabdb940f2013-01-28 21:28:10 +0000449 Packaging
Sean Silva3f93a612013-09-09 19:09:00 +0000450 ReleaseProcess
Adrian Prantladc41ca2014-10-03 20:17:32 +0000451 Phabricator
Sean Silva12159ff2013-01-20 02:19:36 +0000452
Florian Hahn57edaa42018-01-04 17:12:21 +0000453:doc:`Contributing`
454 An overview on how to contribute to LLVM.
455
Sean Silva9d205c82013-03-30 15:32:47 +0000456:doc:`DeveloperPolicy`
457 The LLVM project's policy towards developers and their contributions.
458
Sean Silva9d0eb942013-01-20 02:19:42 +0000459:doc:`Projects`
Sean Silva12159ff2013-01-20 02:19:36 +0000460 How-to guide and templates for new projects that *use* the LLVM
461 infrastructure. The templates (directory organization, Makefiles, and test
462 tree) allow the project code to be located outside (or inside) the ``llvm/``
463 tree, while using LLVM header files and libraries.
464
Sean Silva9d0eb942013-01-20 02:19:42 +0000465:doc:`LLVMBuild`
Sean Silva12159ff2013-01-20 02:19:36 +0000466 Describes the LLVMBuild organization and files used by LLVM to specify
467 component descriptions.
468
Sean Silva9d0eb942013-01-20 02:19:42 +0000469:doc:`HowToReleaseLLVM`
Sean Silva12159ff2013-01-20 02:19:36 +0000470 This is a guide to preparing LLVM releases. Most developers can ignore it.
471
Renato Golinc08f2182013-05-28 10:32:55 +0000472:doc:`ReleaseProcess`
Jyoti Allur223602d2014-09-26 06:59:15 +0000473 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 +0000474
Sean Silvabdb940f2013-01-28 21:28:10 +0000475:doc:`Packaging`
476 Advice on packaging LLVM into a distribution.
477
Adrian Prantladc41ca2014-10-03 20:17:32 +0000478:doc:`Phabricator`
479 Describes how to use the Phabricator code review tool hosted on
480 http://reviews.llvm.org/ and its command line interface, Arcanist.
481
Sean Silva01299242013-03-30 15:32:51 +0000482Community
483=========
484
485LLVM has a thriving community of friendly and helpful developers.
486The two primary communication mechanisms in the LLVM community are mailing
487lists and IRC.
488
Sean Silva12159ff2013-01-20 02:19:36 +0000489Mailing Lists
Sean Silva01299242013-03-30 15:32:51 +0000490-------------
Sean Silva12159ff2013-01-20 02:19:36 +0000491
492If you can't find what you need in these docs, try consulting the mailing
493lists.
494
Tanya Lattner0d28f802015-08-05 03:51:17 +0000495`Developer's List (llvm-dev)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000496 This list is for people who want to be included in technical discussions of
497 LLVM. People post to this list when they have questions about writing code
498 for or using the LLVM tools. It is relatively low volume.
499
Tanya Lattner0d28f802015-08-05 03:51:17 +0000500 .. __: http://lists.llvm.org/mailman/listinfo/llvm-dev
Sean Silva12159ff2013-01-20 02:19:36 +0000501
Sean Silvaab4997d2013-03-30 15:33:01 +0000502`Commits Archive (llvm-commits)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000503 This list contains all commit messages that are made when LLVM developers
Sean Silva2a746992013-03-30 15:33:02 +0000504 commit code changes to the repository. It also serves as a forum for
505 patch review (i.e. send patches here). It is useful for those who want to
506 stay on the bleeding edge of LLVM development. This list is very high
507 volume.
Sean Silva12159ff2013-01-20 02:19:36 +0000508
Tanya Lattner0d28f802015-08-05 03:51:17 +0000509 .. __: http://lists.llvm.org/pipermail/llvm-commits/
Sean Silva12159ff2013-01-20 02:19:36 +0000510
Tanya Lattner0d28f802015-08-05 03:51:17 +0000511`Bugs & Patches Archive (llvm-bugs)`__
Sean Silva2a746992013-03-30 15:33:02 +0000512 This list gets emailed every time a bug is opened and closed. It is
Tanya Lattner0d28f802015-08-05 03:51:17 +0000513 higher volume than the LLVM-dev list.
Sean Silva84b296c2013-03-30 15:32:54 +0000514
Tanya Lattner0d28f802015-08-05 03:51:17 +0000515 .. __: http://lists.llvm.org/pipermail/llvm-bugs/
Sean Silva84b296c2013-03-30 15:32:54 +0000516
Sean Silvaab4997d2013-03-30 15:33:01 +0000517`Test Results Archive (llvm-testresults)`__
Sean Silva12159ff2013-01-20 02:19:36 +0000518 A message is automatically sent to this list by every active nightly tester
519 when it completes. As such, this list gets email several times each day,
520 making it a high volume list.
521
Tanya Lattner0d28f802015-08-05 03:51:17 +0000522 .. __: http://lists.llvm.org/pipermail/llvm-testresults/
Sean Silva9d0eb942013-01-20 02:19:42 +0000523
Sean Silvaab4997d2013-03-30 15:33:01 +0000524`LLVM Announcements List (llvm-announce)`__
Sean Silva84b296c2013-03-30 15:32:54 +0000525 This is a low volume list that provides important announcements regarding
526 LLVM. It gets email about once a month.
527
Tanya Lattner0d28f802015-08-05 03:51:17 +0000528 .. __: http://lists.llvm.org/mailman/listinfo/llvm-announce
Sean Silva84b296c2013-03-30 15:32:54 +0000529
Sean Silva01299242013-03-30 15:32:51 +0000530IRC
531---
532
533Users and developers of the LLVM project (including subprojects such as Clang)
534can be found in #llvm on `irc.oftc.net <irc://irc.oftc.net/llvm>`_.
535
536This channel has several bots.
537
538* Buildbot reporters
539
540 * llvmbb - Bot for the main LLVM buildbot master.
541 http://lab.llvm.org:8011/console
542 * bb-chapuni - An individually run buildbot master. http://bb.pgr.jp/console
543 * smooshlab - Apple's internal buildbot master.
544
545* robot - Bugzilla linker. %bug <number>
546
547* clang-bot - A `geordi <http://www.eelis.net/geordi/>`_ instance running
548 near-trunk clang instead of gcc.
549
Renato Goline433cf72016-07-20 09:38:04 +0000550Community wide proposals
551------------------------
552
553Proposals for massive changes in how the community behaves and how the work flow
554can be better.
555
556.. toctree::
557 :hidden:
558
559 CodeOfConduct
Mehdi Amini647deb82016-10-12 23:02:02 +0000560 Proposals/GitHubMove
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000561 Proposals/VectorizationPlan
Renato Goline433cf72016-07-20 09:38:04 +0000562
563:doc:`CodeOfConduct`
564 Proposal to adopt a code of conduct on the LLVM social spaces (lists, events,
565 IRC, etc).
566
Mehdi Amini647deb82016-10-12 23:02:02 +0000567:doc:`Proposals/GitHubMove`
Renato Goline433cf72016-07-20 09:38:04 +0000568 Proposal to move from SVN/Git to GitHub.
569
Ayal Zaks4c4baf52017-05-29 15:36:23 +0000570:doc:`Proposals/VectorizationPlan`
571 Proposal to model the process and upgrade the infrastructure of LLVM's Loop Vectorizer.
Sean Silva01299242013-03-30 15:32:51 +0000572
Daniel Dunbarfbb80412012-04-19 16:31:37 +0000573Indices and tables
574==================
575
576* :ref:`genindex`
577* :ref:`search`