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llvm-mirror/docs
JF Bastien f4f5b32f44 NFC: make AtomicOrdering an enum class
Summary:
In the context of http://wg21.link/lwg2445 C++ uses the concept of
'stronger' ordering but doesn't define it properly. This should be fixed
in C++17 barring a small question that's still open.

The code currently plays fast and loose with the AtomicOrdering
enum. Using an enum class is one step towards tightening things. I later
also want to tighten related enums, such as clang's
AtomicOrderingKind (which should be shared with LLVM as a 'C++ ABI'
enum).

This change touches a few lines of code which can be improved later, I'd
like to keep it as NFC for now as it's already quite complex. I have
related changes for clang.

As a follow-up I'll add:
  bool operator<(AtomicOrdering, AtomicOrdering) = delete;
  bool operator>(AtomicOrdering, AtomicOrdering) = delete;
  bool operator<=(AtomicOrdering, AtomicOrdering) = delete;
  bool operator>=(AtomicOrdering, AtomicOrdering) = delete;
This is separate so that clang and LLVM changes don't need to be in sync.

Reviewers: jyknight, reames

Subscribers: jyknight, llvm-commits

Differential Revision: http://reviews.llvm.org/D18775

llvm-svn: 265602
2016-04-06 21:19:33 +00:00
..
_ocamldoc [OCaml] Use a nicer style for documentation than OCaml default. 2015-07-17 06:37:59 +00:00
_static
_templates
_themes/llvm-theme
CommandGuide Document standard substitutions defined by lit. 2016-04-04 17:14:45 +00:00
Frontend [docs][PerformanceTips] Add text on allocas and alignment 2015-09-10 17:03:10 +00:00
HistoricalNotes
TableGen Rename all references to old mailing lists to new lists.llvm.org address. 2015-08-05 03:51:17 +00:00
tutorial [Kaleidoscope] Rename Error -> LogError in Chapters 2-5. 2016-03-25 17:41:26 +00:00
AdvancedBuilds.rst Fixing autocorrect changing cmake->make 2016-03-18 22:11:51 +00:00
AliasAnalysis.rst fix typo 2016-01-13 16:46:41 +00:00
AMDGPUUsage.rst AMDGPU: Document address space mapping 2016-04-06 01:29:19 +00:00
ARM-BE-bitcastfail.png
ARM-BE-bitcastsuccess.png
ARM-BE-ld1.png
ARM-BE-ldr.png
Atomics.rst NFC: make AtomicOrdering an enum class 2016-04-06 21:19:33 +00:00
BigEndianNEON.rst
BitCodeFormat.rst Swift Calling Convention: add swiftcc. 2016-04-05 22:41:47 +00:00
BitSets.rst docs: Document how bitsets may be used to encode type information. 2016-02-03 02:01:08 +00:00
BlockFrequencyTerminology.rst
BranchWeightMetadata.rst Fix typos. 2015-09-12 01:17:08 +00:00
Bugpoint.rst Correct 'teh' and other typos / repeated words. 2015-04-14 20:52:58 +00:00
CMake.rst [Docs] Updating CMake docs to include LLVM_OPTIMIZED_TABLEGEN 2016-03-24 18:46:43 +00:00
CMakeLists.txt Doxygen: add build option to use svg instead of png files for graphs 2015-08-17 23:24:17 +00:00
CodeGenerator.rst [docs] "Straightforward" is one word. 2016-03-14 20:18:51 +00:00
CodingStandards.rst Disable Visual C++ 2013 Debug mode assert on null pointer in some STL algorithms, 2015-08-21 17:31:03 +00:00
CommandLine.rst Add missing underlines for a docs section. NFC 2015-07-24 00:29:50 +00:00
CompileCudaWithLLVM.rst [docs] Add gpucc publication and tutorial. 2016-03-30 05:05:40 +00:00
CompilerWriterInfo.rst ARM: improve documentation slightly. 2016-02-09 23:55:48 +00:00
conf.py Update version to 3.9. 2016-01-13 17:32:32 +00:00
CoverageMappingFormat.rst [docs] Corrections w.r.t V2 of the coverage mapping format 2016-03-28 22:16:01 +00:00
DebuggingJITedCode.rst
DeveloperPolicy.rst Fix a spurious if. 2015-12-11 00:51:59 +00:00
doxygen-mainpage.dox [docs] Updated docs to work with Doxygen 1.8.11 2016-03-06 03:50:08 +00:00
doxygen.cfg.in [docs] Updated docs to work with Doxygen 1.8.11 2016-03-06 03:50:08 +00:00
Dummy.html
ExceptionHandling.rst [WinEH] Disallow cyclic unwinds 2016-01-10 04:31:05 +00:00
ExtendedIntegerResults.txt
ExtendingLLVM.rst [WinEH] Add llvm.eh.exceptionpointer intrinsic 2015-09-03 09:15:32 +00:00
Extensions.rst Use a comma after the unique keyword. 2015-04-06 16:34:41 +00:00
FAQ.rst FAQ: Remove the entire Build Problems section 2016-03-23 06:54:42 +00:00
FaultMaps.rst [FaultMaps] Let the frontend pre-select implicit null check candidates. 2015-06-30 21:22:32 +00:00
GarbageCollection.rst Document the CoreCLR GC Strategy 2015-05-21 00:50:10 +00:00
gcc-loops.png
GetElementPtr.rst Update LangRef for getelementptr explicit type changes 2015-03-04 22:02:58 +00:00
GettingStarted.rst docs: Fix footnote after r260042. 2016-03-28 21:24:46 +00:00
GettingStartedVS.rst Clarifying some of the requirements for building with Visual Studio on Windows. Namely, we require the latest Update to be installed (for sanity purposes), and we require CMake 2.8.12.2 for building LLVM with Visual Studio. 2016-03-29 20:23:55 +00:00
GoldPlugin.rst [docs] Remove references to autotools build. 2016-01-30 01:10:15 +00:00
HowToAddABuilder.rst
HowToBuildOnARM.rst [Docs] Change ARM build info to CMake 2015-11-06 18:39:34 +00:00
HowToCrossCompileLLVM.rst
HowToReleaseLLVM.rst Fix some typos in the llvm doc 2016-02-14 20:16:22 +00:00
HowToSetUpLLVMStyleRTTI.rst [docs][LLVM-style RTTI] Add a mention of multiple inheritance. 2015-02-07 01:16:26 +00:00
HowToSubmitABug.rst Delete -std-compile-opts. 2014-10-16 20:00:02 +00:00
HowToUseAttributes.rst
HowToUseInstrMappings.rst
InAlloca.rst
index.rst Updates based on post-commit review of r263834 2016-03-18 21:57:51 +00:00
LangRef.rst Swift Calling Convention: swiftcc for ARM. 2016-04-05 22:44:44 +00:00
Lexicon.rst [docs] Document "LGTM" in the lexicon. 2015-06-04 20:28:09 +00:00
LibFuzzer.rst [libFuzzer] more trophies 2016-03-29 23:13:25 +00:00
LinkTimeOptimization.rst Fix a typo in the documentation of LTO 2014-12-03 07:32:36 +00:00
linpack-pc.png
LLVMBuild.rst Fixing the documentation builds 2016-01-26 22:53:12 +00:00
LLVMBuild.txt
make.bat
Makefile.sphinx Bring back Makefile.sphinx 2016-03-23 00:30:57 +00:00
MarkedUpDisassembly.rst undo test commit (whitespace only) 2014-06-30 08:09:35 +00:00
MCJIT-creation.png
MCJIT-dyld-load.png
MCJIT-engine-builder.png
MCJIT-load-object.png
MCJIT-load.png
MCJIT-resolve-relocations.png
MCJITDesignAndImplementation.rst Fix several accidental DOS line endings in source files 2016-01-03 17:22:03 +00:00
MergeFunctions.rst Fix some typos in the llvm doc 2016-02-14 20:16:22 +00:00
MIRLangRef.rst MIRLangRef: Add documentation for the subregister indices. 2015-09-08 11:39:47 +00:00
NVPTXUsage.rst [NVPTX] Make NVVMReflect a function pass. 2016-03-30 20:40:11 +00:00
Packaging.rst
Passes.rst Remove the preverify pass from the documentation now that it has been removed 2015-01-30 20:51:09 +00:00
Phabricator.rst [docs] Improve the documentation on committing code reviewed on 2016-01-14 13:39:29 +00:00
ProgrammersManual.rst Try to fix ODR violation of ErrorInfo::ID 2016-03-24 23:49:34 +00:00
Projects.rst Rename all references to old mailing lists to new lists.llvm.org address. 2015-08-05 03:51:17 +00:00
re_format.7
README.txt [docs] Update the docs to describe how to build the docs with cmake 2016-02-07 15:42:12 +00:00
ReleaseNotes.rst Change eliminateCallFramePseudoInstr() to return an iterator 2016-03-31 18:33:38 +00:00
ReleaseProcess.rst [OPENMP] Make -fopenmp to turn on OpenMP support by default. 2015-12-10 05:45:58 +00:00
SegmentedStacks.rst
SourceLevelDebugging.rst testcase gardening: update the emissionKind enum to the new syntax. (NFC) 2016-04-01 00:16:49 +00:00
SphinxQuickstartTemplate.rst
StackMaps.rst List supported architectures for StackMap section and related intrinsics 2015-07-16 21:10:46 +00:00
Statepoints.rst [Statepoint docs] Delete trailing whitespace 2016-03-04 18:14:09 +00:00
SystemLibrary.rst
TableGenFundamentals.rst
TestingGuide.rst Fixing the documentation builds 2016-01-26 22:53:12 +00:00
TestSuiteMakefileGuide.rst Fix the docs I broke 2016-03-11 23:31:02 +00:00
Vectorizers.rst Correct 'teh' and other typos / repeated words. 2015-04-14 20:52:58 +00:00
WritingAnLLVMBackend.rst configure.ac lives in autoconf/, not autotools/ 2014-11-10 22:36:04 +00:00
WritingAnLLVMPass.rst Fix typo. 2016-03-06 12:37:34 +00:00
yaml2obj.rst Summary: 2015-07-28 16:18:17 +00:00
YamlIO.rst [docs] Fix typo in YamlIO.rst 2016-02-04 20:42:43 +00:00

LLVM Documentation
==================

LLVM's documentation is written in reStructuredText, a lightweight
plaintext markup language (file extension `.rst`). While the
reStructuredText documentation should be quite readable in source form, it
is mostly meant to be processed by the Sphinx documentation generation
system to create HTML pages which are hosted on <http://llvm.org/docs/> and
updated after every commit. Manpage output is also supported, see below.

If you instead would like to generate and view the HTML locally, install
Sphinx <http://sphinx-doc.org/> and then do:

    cd <build-dir>
    cmake -DLLVM_ENABLE_SPHINX=true -DSPHINX_OUTPUT_HTML=true <src-dir>
    make -j3 docs-llvm-html
    $BROWSER <build-dir>/docs//html/index.html

The mapping between reStructuredText files and generated documentation is
`docs/Foo.rst` <-> `<build-dir>/docs//html/Foo.html` <-> `http://llvm.org/docs/Foo.html`.

If you are interested in writing new documentation, you will want to read
`SphinxQuickstartTemplate.rst` which will get you writing documentation
very fast and includes examples of the most important reStructuredText
markup syntax.

Manpage Output
===============

Building the manpages is similar to building the HTML documentation. The
primary difference is to use the `man` makefile target, instead of the
default (which is `html`). Sphinx then produces the man pages in the
directory `<build-dir>/docs/man/`.

    cd <build-dir>
    cmake -DLLVM_ENABLE_SPHINX=true -DSPHINX_OUTPUT_MAN=true <src-dir>
    make -j3 docs-llvm-man
    man -l >build-dir>/docs/man/FileCheck.1

The correspondence between .rst files and man pages is
`docs/CommandGuide/Foo.rst` <-> `<build-dir>/docs//man/Foo.1`.
These .rst files are also included during HTML generation so they are also
viewable online (as noted above) at e.g.
`http://llvm.org/docs/CommandGuide/Foo.html`.

Checking links
==============

The reachability of external links in the documentation can be checked by
running:

    cd docs/
    make -f Makefile.sphinx linkcheck