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Author SHA1 Message Date
James Y Knight 786558882c Update GettingStarted guide to recommend that people use the new 
official Git repository.

Remove the directions for using git-svn, and demote the prominence of
the svn instructions.

Also, fix a few other issues while I'm in there:

* Mention LLVM_ENABLE_PROJECTS more.
* Getting started doesn't need to mention test-suite, but should
  mention clang and the other projects.
* Remove mentions of "configure", since that's long gone.

I've also adjusted a few other mentions of svn to point to github, but
have not done so comprehensively.

Differential Revision: https://reviews.llvm.org/D56654

llvm-svn: 351130
 2019-01-14 22:27:32 +00:00
Sanjay Patel 9afb59b639 [Docs] fix typo, adjust text order 
llvm-svn: 350846
 2019-01-10 17:02:55 +00:00
Sanjay Patel 080502e923 [Docs] add note to avoid 'errno' for better vectorization (PR40265) 
This is a partial fix for the documentation improvements requested in:
https://bugs.llvm.org/show_bug.cgi?id=40265

llvm-svn: 350845
 2019-01-10 16:57:28 +00:00
Vedant Kumar a9ae2fe782 docs: Remove reference to a deprecated flag 
llvm-svn: 323254
 2018-01-23 20:22:37 +00:00
Eli Friedman 157dc73479 [docs] Update name of vectorization interleave flag. 
llvm-svn: 304370
 2017-05-31 23:02:55 +00:00
Ayal Zaks 4c4baf5093 [Docs] Add VectorizationPlan to docs/Proposals. 
Following the request made in https://reviews.llvm.org/D32871, the
general documentation of the Vectorization Plan is hereby placed
under docs/Proposals.

llvm-svn: 304161
 2017-05-29 15:36:23 +00:00
Ayal Zaks 589e1d9610 [LV] Report multiple reasons for not vectorizing under allowExtraAnalysis 
The default behavior of -Rpass-analysis=loop-vectorizer is to report only the
first reason encountered for not vectorizing, if one is found, at which time the
vectorizer aborts its handling of the loop. This patch allows multiple reasons
for not vectorizing to be identified and reported, at the potential expense of
additional compile-time, under allowExtraAnalysis which can currently be turned
on by Clang's -fsave-optimization-record and opt's -pass-remarks-missed.

Removed from LoopVectorizationLegality::canVectorize() the redundant checking
and reporting if we CantComputeNumberOfIterations, as LAI::canAnalyzeLoop() also
does that. This redundancy is caught by a lit test once multiple reasons are
reported.

Patch initially developed by Dror Barak.

Differential Revision: https://reviews.llvm.org/D33396

llvm-svn: 303613
 2017-05-23 07:08:02 +00:00
Ed Maste 8ed40ce56d Correct 'teh' and other typos / repeated words. 
Patch by Eitan Adler.

Differential Revision:	http://reviews.llvm.org/D8514

llvm-svn: 234939
 2015-04-14 20:52:58 +00:00
Tyler Nowicki dcb863263b Vectorization documentation for loop hint pragmas and Rpass diagnostics. 
llvm-svn: 211924
 2014-06-27 18:30:08 +00:00
Arnold Schwaighofer 9ab93ac6d4 Fix whitespace in vectorizer example 
llvm-svn: 203738
 2014-03-12 23:58:07 +00:00
Arnold Schwaighofer 34ac9be1d7 Fix vectorizer docs. 
This example is not vectorized because LLVM does not prove no-wrapping of
"a[i*7] += ...".

llvm-svn: 203734
 2014-03-12 23:23:44 +00:00
Nadav Rotem 2da8b3e99e Update the docs. 
llvm-svn: 187713
 2013-08-05 04:27:34 +00:00
Nadav Rotem 87856b50cf The SLP Vectorizer works across basic blocks. Update the docs. 
llvm-svn: 184973
 2013-06-26 17:59:35 +00:00
Nadav Rotem 136d50adb2 Fix a grammar mistake, and add a line about the two phases that the BB/SLP vectorizers have (top-down and bottom-up). 
llvm-svn: 179566
 2013-04-15 22:21:25 +00:00
Nadav Rotem c875cc1273 Fix the internal link. 
llvm-svn: 179565
 2013-04-15 22:11:07 +00:00
Nadav Rotem a440a356e0 Document our desire to enable the loop vectorizer on -Os in future releases. 
llvm-svn: 179511
 2013-04-15 05:56:55 +00:00
Nadav Rotem 57da1fdd55 Docs: merge the description of the BB and SLP vectorizers and document the -fslp-vectorize-aggressive flag. 
llvm-svn: 179510
 2013-04-15 05:53:23 +00:00
Nadav Rotem efa56e18be Document the SLP infrastructure. 
llvm-svn: 179480
 2013-04-14 07:42:25 +00:00
Nadav Rotem 757aec9507 Remove the confusing sentence. 
llvm-svn: 179085
 2013-04-09 04:48:40 +00:00
Nadav Rotem fe47d58cf0 Update the docs about the fact that the loop vectorizer is enabled by default for -O3. 
llvm-svn: 179060
 2013-04-08 21:34:49 +00:00
Benjamin Kramer a87d5128dd Brag about function call vectorization in the docs. 
llvm-svn: 176292
 2013-02-28 19:33:46 +00:00
Renato Golin f2ea19ea2e Add global structure vectorization to docs 
llvm-svn: 175965
 2013-02-23 13:25:41 +00:00
Nadav Rotem 9f20781bad Docs: mention that we support float reductions when -ffast-math is used. 
llvm-svn: 171873
 2013-01-08 17:46:30 +00:00
Nadav Rotem 014e19c2ca Add linpack-pc bench 
llvm-svn: 171499
 2013-01-04 19:00:42 +00:00
Nadav Rotem 7daadf21fe Update the docs about the new unroll features. 
llvm-svn: 171470
 2013-01-04 17:49:45 +00:00
Nadav Rotem 7ea18a763b Reformat the rst text. 
llvm-svn: 171449
 2013-01-03 01:56:33 +00:00
Nadav Rotem a616d68f2c LoopVectorizer: Document the unrolling feature. 
llvm-svn: 171445
 2013-01-03 01:47:02 +00:00
Nadav Rotem a1d2436b5f revert an accidental commit. 
llvm-svn: 171098
 2012-12-26 06:16:03 +00:00
Nadav Rotem 7375d35711 Doc: add fmuladd to the list of vectorizeable functions. Thanks hfinkel. 
llvm-svn: 171094
 2012-12-26 06:03:35 +00:00
Sean Silva 850861df62 docs: More robust image scaling fix. 
Hopefully these benchmarks will be updated in the future, so avoid
hardcoding image dimensions.

llvm-svn: 170819
 2012-12-21 00:28:42 +00:00
Sean Silva 35915c6459 docs: Prevent image scaling. 
Tell the image to be its natural size.

llvm-svn: 170816
 2012-12-21 00:20:25 +00:00
Sean Silva 287e7d275c docs: Cleanup trailing whitespace. 
llvm-svn: 170799
 2012-12-20 22:59:36 +00:00
Sean Silva e140b2ee67 docs: actually indent these consistently 
llvm-svn: 170792
 2012-12-20 22:49:13 +00:00
Sean Silva 8c44a4733c docs: Indent consistently in code examples. 
llvm-svn: 170791
 2012-12-20 22:47:41 +00:00
Sean Silva 99e12f91a6 docs: Improve navigation for Vectorizers.rst 
Add links in the intro paragraph.
Add table of contents.

llvm-svn: 170790
 2012-12-20 22:42:20 +00:00
Sean Silva fd706f7da9 docs: bring back link for reddit. 
llvm-svn: 170776
 2012-12-20 22:24:37 +00:00
Sean Silva eae2d90508 docs: Make document name congruent with title. 
Hopefully nobody has linked to it yet...

OK'd by Nadav.

llvm-svn: 170768
 2012-12-20 21:50:41 +00:00
Sean Silva 08fd0888cb docs: Clean up adornments. 
For whatever reason the usage of '^^^' and '---' adornments were
reversed compared to the "canonical" style of the LLVM docs (which is
currently "the style used in SphinxQuickstartTemplate.rst"). This change
doesn't affect the document structure at all, I'm just doing it for
trivial stylistic consistency (the document content is *much* more
important---thanks Nadav for writing this up!).

Also, trim the adornments to be the same length as the section names.

llvm-svn: 170638
 2012-12-20 02:40:45 +00:00
Sean Silva 13ed79c66b docs: ASCII-fy 
llvm-svn: 170637
 2012-12-20 02:23:25 +00:00
Nadav Rotem 12da396abc Doc: update the chart. 
llvm-svn: 170618
 2012-12-20 00:03:36 +00:00
Meador Inge 0fbf321af2 docs: Fix title underline warnings 
Building Vectorizers.rst produces a few warnings of the form:

   WARNING: Title underline too short.

Fixed by adding the extra needed dashes under the title.

llvm-svn: 170582
 2012-12-19 20:16:40 +00:00
Nadav Rotem 0328f5e57d doc: add subsections. 
llvm-svn: 170568
 2012-12-19 18:04:44 +00:00
Nadav Rotem 8f4a6cced2 DOC: document the use of O2, O3 and Os with -fvectorize. 
llvm-svn: 170567
 2012-12-19 18:02:36 +00:00
Nadav Rotem 90c8b4bfa5 DOC: fix the url format. 
llvm-svn: 170513
 2012-12-19 08:43:05 +00:00
Nadav Rotem 15bdbbe309 DOC: add a benchmarks that compares us to gcc and icc. 
llvm-svn: 170509
 2012-12-19 08:28:24 +00:00
Nadav Rotem af14a3f20b docs: fix typos. 
llvm-svn: 170504
 2012-12-19 07:36:35 +00:00
Nadav Rotem c4efbb8b4e DOC: Add a webpage that describes the loop and bb vectorizers. 
llvm-svn: 170503
 2012-12-19 07:22:24 +00:00