llvm-project/llvm/docs
Yaxun Liu de4b88d9a1 [AMDGPU] Lower enqueued blocks and generate runtime metadata
This patch adds a post-linking pass which replaces the function pointer of enqueued
block kernel with a global variable (runtime handle) and adds
runtime-handle attribute to the enqueued block kernel.

In LLVM CodeGen the runtime-handle metadata will be translated to
RuntimeHandle metadata in code object. Runtime allocates a global buffer
for each kernel with RuntimeHandel metadata and saves the kernel address
required for the AQL packet into the buffer. __enqueue_kernel function
in device library knows that the invoke function pointer in the block
literal is actually runtime handle and loads the kernel address from it
and puts it into AQL packet for dispatching.

This cannot be done in FE since FE cannot create a unique global variable
with external linkage across LLVM modules. The global variable with internal
linkage does not work since optimization passes will try to replace loads
of the global variable with its initialization value.

Differential Revision: https://reviews.llvm.org/D38610

llvm-svn: 315352
2017-10-10 19:39:48 +00:00
..
CommandGuide llvm-dwarfdump: Add an option to collect debug info quality metrics. 2017-10-06 20:24:34 +00:00
Frontend
HistoricalNotes
PDB Add documentation for the PDB Module Info stream. 2016-11-29 22:14:56 +00:00
Proposals fix various typos 2017-06-26 02:45:39 +00:00
TableGen Improvements to TableGen/LangIntro.rst 2017-05-02 13:47:10 +00:00
_ocamldoc
_static Fix some typos in the doc 2016-08-28 20:29:18 +00:00
_templates
_themes/llvm-theme
tutorial [ORC][Kaleidoscope] Update ORCJit tutorial. 2017-09-17 00:24:43 +00:00
AMDGPUUsage.rst [AMDGPU] Lower enqueued blocks and generate runtime metadata 2017-10-10 19:39:48 +00:00
ARM-BE-bitcastfail.png
ARM-BE-bitcastsuccess.png
ARM-BE-ld1.png
ARM-BE-ldr.png
AdvancedBuilds.rst Fixing autocorrect changing cmake->make 2016-03-18 22:11:51 +00:00
AliasAnalysis.rst [docs] AliasAnalysis: clarify that PartialAlias doesn't enforce 2017-07-15 09:09:24 +00:00
Atomics.rst fix some various typos in the doc 2016-07-02 19:28:40 +00:00
Benchmarking.rst Add some tips on benchmarking. 2017-05-24 16:39:12 +00:00
BigEndianNEON.rst
BitCodeFormat.rst Bitcode: Add a string table to the bitcode format. 2017-04-17 17:51:36 +00:00
BlockFrequencyTerminology.rst
BranchWeightMetadata.rst [Doc] Document prof metadata in LangRef 2017-06-15 15:57:12 +00:00
Bugpoint.rst
CFIVerify.rst Introduce the llvm-cfi-verify tool (resubmission of D37937). 2017-09-20 20:38:14 +00:00
CMake.rst [docs] Make a note of LLVM_BUILD_INSTRUMENTED_COVERAGE 2017-09-20 17:16:00 +00:00
CMakeLists.txt Add a manpage for llvm-dwarfdump. 2017-10-03 23:46:57 +00:00
CMakePrimer.rst [docs] In the CMake primer, correct the description of the ARGV/ARGN variables. 2017-08-24 05:38:39 +00:00
CodeGenerator.rst Add documentation for various aspects of the AMDGPU backend. 2017-06-06 20:31:59 +00:00
CodeOfConduct.rst [Conduct] Refine what "rare cases" means wrt violations outside our spaces. 2016-07-06 19:32:41 +00:00
CodingStandards.rst [docs] Add a note on iteration of unordered containers to coding standards 2017-09-06 20:19:10 +00:00
CommandLine.rst Remove references to response file argument in CommandLine.rst 2017-09-20 22:41:34 +00:00
CompileCudaWithLLVM.rst [Docs] Update docs to indicate that CUDA compilation is supported on Windows. 2017-01-05 16:54:28 +00:00
CompilerWriterInfo.rst Fix broken links to the Itanium CXX ABI 2017-09-12 00:19:11 +00:00
Coroutines.rst fix trivial typos in documents; NFC 2017-07-02 12:44:27 +00:00
CoverageMappingFormat.rst [Coverage] Use gap regions to select better line exec counts 2017-09-18 23:37:28 +00:00
DebuggingJITedCode.rst
DeveloperPolicy.rst Fixed broken links in docs. 2017-09-22 21:10:37 +00:00
Docker.rst Made a script to build docker images easier to use. 2017-07-06 12:46:51 +00:00
ExceptionHandling.rst Fix broken links to the Itanium CXX ABI 2017-09-12 00:19:11 +00:00
ExtendedIntegerResults.txt
ExtendingLLVM.rst
Extensions.rst Change section flag character for SHF_LINK_ORDER to "o". 2017-04-04 22:35:08 +00:00
FAQ.rst fix some typos in the doc 2016-07-28 09:28:58 +00:00
FaultMaps.rst Fix the docs build 2017-02-07 20:36:03 +00:00
GarbageCollection.rst Tidy up example of getting the pointer size. 2016-10-14 05:45:46 +00:00
GetElementPtr.rst [docs] change a few code-blocks to llvm from text 2017-07-26 14:11:23 +00:00
GettingStarted.rst Fix git command line in the Getting Started guide. 2017-05-15 22:32:34 +00:00
GettingStartedVS.rst Update the documentation and CMake file for Visual Studio generators. 2017-05-25 21:01:30 +00:00
GlobalISel.rst [GlobalISel] Update the documentation and comment for G_[UN]MERGE_VALUES 2017-09-25 22:03:06 +00:00
GoldPlugin.rst [docs] As of binutils 2.21.51.0.2, ld.bfd supports plugins too, represent this in docs 2017-06-23 13:54:10 +00:00
HowToAddABuilder.rst Added more info on silent master to the doc. 2017-07-05 20:45:44 +00:00
HowToBuildOnARM.rst
HowToCrossCompileLLVM.rst [docs] Fix unexpected indentation in HowToCrossCompileLLVM.rst 2016-05-10 14:02:46 +00:00
HowToReleaseLLVM.rst docs: Fix formatting in HowToReleaseLLVM 2017-09-19 03:27:26 +00:00
HowToSetUpLLVMStyleRTTI.rst
HowToSubmitABug.rst Update Bugzilla URLs in docs 2017-02-17 08:26:11 +00:00
HowToUseAttributes.rst Fix RST docs AttributeList heading underline 2017-03-21 17:05:00 +00:00
HowToUseInstrMappings.rst [docs] Fixing Sphinx warnings to unclog the buildbot 2016-07-20 12:16:38 +00:00
InAlloca.rst [docs] Fixing Sphinx warnings to unclog the buildbot 2016-07-20 12:16:38 +00:00
LLVMBuild.rst Fix LLVMBuild.txt typo. NFC 2017-04-03 18:21:50 +00:00
LLVMBuild.txt
LangRef.rst Docs: fix link to Debugger intrinsic functions 2017-09-28 15:16:37 +00:00
Lexicon.rst [Lexicon] Add "GEP" 2017-08-18 15:35:53 +00:00
LibFuzzer.rst [libFuzzer] one more trophy 2017-09-18 20:48:35 +00:00
LinkTimeOptimization.rst [docs] Typos and whitespace fixed in LTO docs. 2016-11-29 18:00:31 +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
MIRLangRef.rst MIParser/MIRPrinter: Compute block successors if not explicitely specified 2017-05-05 21:09:30 +00:00
Makefile.sphinx Bring back Makefile.sphinx 2016-03-23 00:30:57 +00:00
MarkedUpDisassembly.rst [docs] Fixing Sphinx warnings to unclog the buildbot 2016-07-20 12:16:38 +00:00
MemorySSA.rst Fix some typos in the doc 2016-08-28 20:29:18 +00:00
MergeFunctions.rst [docs] Fixing Sphinx warnings to unclog the buildbot 2016-07-20 12:16:38 +00:00
NVPTXUsage.rst Update NVVMReflect usage doc to new idiom for adding target-specific early passes. 2017-01-27 19:44:24 +00:00
OptBisect.rst Remove opt-bisect support for "cases" in favor of debug counters 2017-03-11 01:41:03 +00:00
Packaging.rst
Passes.rst Remove the ScalarReplAggregates pass 2016-06-15 00:19:09 +00:00
Phabricator.rst docs/Phabricator: Better git examples to produce full context patches 2017-06-15 22:09:30 +00:00
ProgrammersManual.rst Refine report_fatal_error guidance after post-commit review 2017-08-18 06:45:34 +00:00
Projects.rst
README.txt Remove test commit change. 2017-06-24 20:13:32 +00:00
ReleaseNotes.rst Add a ReleaseNotes blurb for Execute.*Wait API change 2017-09-15 11:45:30 +00:00
ReleaseProcess.rst
ReportingGuide.rst fix some various typos in the doc 2016-07-02 19:28:40 +00:00
ScudoHardenedAllocator.rst [docs] Fix Scudo documentation error 2017-08-29 19:54:19 +00:00
SegmentedStacks.rst [docs] Fixing Sphinx warnings to unclog the buildbot 2016-07-20 12:16:38 +00:00
SourceLevelDebugging.rst Re-land r313825: "[IR] Add llvm.dbg.addr, a control-dependent version of llvm.dbg.declare" 2017-09-21 19:52:03 +00:00
SphinxQuickstartTemplate.rst
StackMaps.rst [StackMaps] Increase the size of the "location size" field 2017-04-28 04:48:42 +00:00
Statepoints.rst [docs] change a few code-blocks to llvm from text 2017-07-26 14:11:23 +00:00
SystemLibrary.rst
TableGenFundamentals.rst
TestSuiteMakefileGuide.rst Fix the docs I broke 2016-03-11 23:31:02 +00:00
TestingGuide.rst [docs] cleanup documentation on lit substitutions 2017-02-09 14:12:30 +00:00
TypeMetadata.rst Fixed broken links in docs. 2017-09-22 21:10:37 +00:00
Vectorizers.rst [docs] Update name of vectorization interleave flag. 2017-05-31 23:02:55 +00:00
WritingAnLLVMBackend.rst [docs] Document how to debug instruction scheduling model generation 2017-07-19 14:10:42 +00:00
WritingAnLLVMPass.rst [docs] Make WritingAnLLVMPass.rst up-to-date with current state of things 2016-09-27 12:07:21 +00:00
XRay.rst Xray docs with description of Flight Data Recorder binary format. 2017-08-02 21:47:27 +00:00
XRayExample.rst Fix some minor typos in the llvm XRay exemple 2017-08-12 15:08:11 +00:00
XRayFDRFormat.rst [XRay][tools] Support tail-call exits before we write them in the runtime 2017-09-18 06:08:46 +00:00
YamlIO.rst fix some typos in the doc 2017-01-14 11:37:01 +00:00
conf.py Update trunk version to 6.0.0svn 2017-07-19 12:19:01 +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 Sync with changes from r300825 in clang. 2017-04-27 17:23:53 +00:00
gcc-loops.png
index.rst Introduce the llvm-cfi-verify tool (resubmission of D37937). 2017-09-20 20:38:14 +00:00
linpack-pc.png
make.bat
re_format.7
yaml2obj.rst

README.txt

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

Doxygen page Output
==============

Install doxygen <http://www.stack.nl/~dimitri/doxygen/download.html> and dot2tex <https://dot2tex.readthedocs.io/en/latest>.

    cd <build-dir>
    cmake -DLLVM_ENABLE_DOXYGEN=On <llvm-top-src-dir>
    make doxygen-llvm # for LLVM docs
    make doxygen-clang # for clang docs

It will generate html in
    
    <build-dir>/docs/doxygen/html # for LLVM docs
    <build-dir>/tools/clang/docs/doxygen/html # for clang docs