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4905 Commits

Author SHA1 Message Date
Diego Novillo
d1f091f169 Add a new function attribute 'cold' to functions. 
Other than recognizing the attribute, the patch does little else.
It changes the branch probability analyzer so that edges into
blocks postdominated by a cold function are given low weight.

Added analysis and code generation tests.  Added documentation for the
new attribute.

llvm-svn: 182638
 2013-05-24 12:26:52 +00:00
Tim Northover
9b6ef4d68e ARM: implement @llvm.readcyclecounter intrinsic 
This implements the @llvm.readcyclecounter intrinsic as the specific
MRC instruction specified in the ARM manuals for CPUs with the Power
Management extensions.

Older CPUs had slightly different methods which may also have to be
implemented eventually, but this should cover all v7 cases.

rdar://problem/13939186

llvm-svn: 182603
 2013-05-23 19:11:20 +00:00
Rui Ueyama
14683e5753 Fix typo in docs/GettingStarted.rst. 
llvm-svn: 182496
 2013-05-22 18:09:39 +00:00
Rafael Espindola
098c228558 Make R600 non-experimental. 
The r600 backend has been in tree for some time now. Marking it as
non-experimental to avoid accidental breakage.

llvm-svn: 182442
 2013-05-22 00:35:47 +00:00
Sean Silva
f92aea7789 LangRef.rst: Clarify how basic blocks without named label are handled. 
Describe that they are assigned numbered label using the same counter
as for unnamed temporaries.

Based on http://llvm.org/bugs/show_bug.cgi?id=16043 and mailing list
discussion.

Patch by Paul Sokolovsky!

llvm-svn: 182332
 2013-05-20 23:31:12 +00:00
Daniel Dunbar
8a10ff14a8 [docs] Minor doc tweaks. 
llvm-svn: 182324
 2013-05-20 22:39:48 +00:00
Dmitri Gribenko
fdcdaef7d6 docs/Passes: fix some typos 
Patch by Yacine Belkadi.

llvm-svn: 182197
 2013-05-18 18:01:44 +00:00
Arnaud A. de Grandmaison
2c998eed2c Add Jade to the list of external projects using LLVM in the release notes. 
Patch by: Antoine Lorence <Antoine.Lorence@insa-rennes.fr>

llvm-svn: 181886
 2013-05-15 14:05:01 +00:00
Michael Liao
68fd4f6246 Add 'CHECK-DAG' support 
Refer to 'FileCheck.rst'f for details of 'CHECK-DAG'.

llvm-svn: 181827
 2013-05-14 20:34:12 +00:00
Richard Sandiford
77796bbc7d [SystemZ] Add disassembler support 
llvm-svn: 181777
 2013-05-14 10:17:52 +00:00
Alexander Kornienko
7ae388f71e Better output for long help strings for command-line options. 
Summary:
This patch allows using \n inside long help strings for command-line
options, so that all lines are equally indented. This is not a perfect solution,
as we don't (and probably don't want to) know about terminal width, but it
allows to format long help strings somehow readable without manually padding
them with spaces. A motivating example is -help output from clang-format (source
code in tools/clang-format/ClangFormat.cpp, see cl options offset, length,
style, and dump-config).

Reviewers: atrick, alexfh

Reviewed By: alexfh

CC: llvm-commits, rafael

Differential Revision: http://llvm-reviews.chandlerc.com/D779

llvm-svn: 181608
 2013-05-10 17:15:51 +00:00
Richard Sandiford
31a90f913c Add SystemZ feats to CodeGenerator.rst 
llvm-svn: 181431
 2013-05-08 14:23:43 +00:00
Rafael Espindola
b0598a0361 Remove exception handling support from the old JIT. 
llvm-svn: 181354
 2013-05-07 20:53:59 +00:00
Bill Wendling
f6be87cbaa We're in 3.4 land now. 
llvm-svn: 181350
 2013-05-07 20:31:28 +00:00
Rafael Espindola
041d6c79e2 Add empty release notes for 3.4. 
The idea is that docs/ReleaseNotes.rst is 3.3 and will be copied to the
branch by the release manager just before creating the release
candidates.

This ReleaseNotes_34.rst will then be moved over ReleaseNotes.rst after
the 3.3 release.

llvm-svn: 181349
 2013-05-07 20:26:16 +00:00
Andrew Trick
424ae1d00a Add two points to release notes about recent command line library changes. 
Patch by Dan Liew!

llvm-svn: 181335
 2013-05-07 17:34:35 +00:00
Richard Sandiford
7607d0628b Mention SystemZ in the release notes 
llvm-svn: 181328
 2013-05-07 15:52:32 +00:00
Rafael Espindola
dd63d2006f Note that EH is now supported in MCJIT. 
llvm-svn: 181305
 2013-05-07 12:29:17 +00:00
Tim Northover
f29ea28532 Correct logical shift documentation 
llvm-svn: 181290
 2013-05-07 06:17:14 +00:00
Andrew Trick
66c37e7321 Implemented public interface for modifying registered (not positional or sink options) command line options at runtime. 
Patch by Dan Liew!

llvm-svn: 181254
 2013-05-06 21:56:35 +00:00
Andrew Trick
7cf2347306 Support command line option categories. 
Patch by Dan Liew!

llvm-svn: 181253
 2013-05-06 21:56:23 +00:00
Ulrich Weigand
0d393e5693 [SystemZ] Add configure bits 
This patch wires up the SystemZ target in configure, so that it can now be
built using --enable-targets=systemz.   It is not yet included in the default
build (--enable-targets=all); this will be done by a follow-up patch.

Patch by Richard Sandiford.

llvm-svn: 181208
 2013-05-06 16:22:34 +00:00
Richard Osborne
1c4909b705 [docs] Update Target Feature Matrix for the XCore backend. 
Disassembler support has recently been added. Fill in some other unknowns
at the same time.

llvm-svn: 181156
 2013-05-05 14:09:55 +00:00
Amara Emerson
036eb4649d Revert r181009. 
llvm-svn: 181079
 2013-05-03 23:57:17 +00:00
Richard Sandiford
aa8496276f Remove comment that no target supports 128-bit IEEE floats 
The soon-to-be-committed SystemZ port uses 128-bit IEEE floats.
MIPS64 GNU/Linux does too (albeit with unusual NaNs).

llvm-svn: 181016
 2013-05-03 14:32:27 +00:00
Amara Emerson
863672f436 Add support for reading ARM ELF build attributes. 
Build attribute sections can now be read if they exist via ELFObjectFile, and
the llvm-readobj tool has been extended with an option to dump this information
if requested. Regression tests are also included which exercise these features.

Also update the docs with a fixed ARM ABI link and a new link to the Addenda
which provides the build attributes specification.

llvm-svn: 181009
 2013-05-03 11:36:35 +00:00
Pekka Jaaskelainen
ba66b3d2a7 Added pocl and TCE blurbs to the ReleaseNotes. 
llvm-svn: 181001
 2013-05-03 07:37:04 +00:00
Tobias Grosser
923a6bc6e9 Added table of contents declaration in CommandLine Library documentation. 
Contributed-by:  Dan Liew <daniel.liew@imperial.ac.uk>
llvm-svn: 180919
 2013-05-02 14:59:52 +00:00
Aaron Ballman
dcda36337e Updating the getting started guide for Visual Studio users. Specifically, pointing out that you have to pass additional parameters to llvm-lit and explicitly specify python on the command line. 
llvm-svn: 180869
 2013-05-01 19:13:50 +00:00
Nikola Smiljanic
6bed8fd9cc Fix spelling 
llvm-svn: 180843
 2013-05-01 13:05:43 +00:00
Nadav Rotem
1ba2292746 Update the release notes about the min/max reductions that Arnold added. 
llvm-svn: 180805
 2013-04-30 21:04:04 +00:00
Dmitri Gribenko
6b661ad8e1 Documentation: end option description with a period 
Patch by Dimitry Andric.

llvm-svn: 180675
 2013-04-27 16:34:24 +00:00
Michael Gottesman
4f7b7f0655 Updated GettingStarted.rst so that it references utils/git-svn for git-svnup instead of catting it into the documentation itself. 
llvm-svn: 180589
 2013-04-26 01:04:45 +00:00
Alexey Samsonov
30f0410c39 Add basic zlib support to LLVM. This would allow to use compression/uncompression in selected LLVM tools. 
llvm-svn: 180083
 2013-04-23 08:28:39 +00:00
Eli Bendersky
397cf8eede Document the -filetype option of llc (PR #12902) 
llvm-svn: 180031
 2013-04-22 17:16:35 +00:00
Rafael Espindola
88a7961c64 Clarify that llvm.used can contain aliases. 
Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.

llvm-svn: 180019
 2013-04-22 14:58:02 +00:00
Stephen Lin
9d99ba2071 Add CodeGen support for functions that always return arguments via a new parameter attribute 'returned', which is taken advantage of in target-independent tail call opportunity detection and in ARM call lowering (when placed on an integral first parameter). 
llvm-svn: 179925
 2013-04-20 05:14:40 +00:00
Eli Bendersky
a2db9bb211 Fix grammar in LLVMBuild.rst 
llvm-svn: 179768
 2013-04-18 16:39:32 +00:00
Eli Bendersky
3aded24ad4 Fixes to LangRef.rst: incorrect attributes syntax and misplaced 'nobuiltin' 
Patch by Stephen Lin

llvm-svn: 179763
 2013-04-18 16:11:44 +00:00
Eli Bendersky
08cbb46b88 More consistent formatting and tidying-up 
llvm-svn: 179716
 2013-04-17 20:17:08 +00:00
Eli Bendersky
882aaffcf6 Make formatting more consistent and tidy-up. 
llvm-svn: 179689
 2013-04-17 17:17:20 +00:00
Nadav Rotem
cd793c55bf 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
7d5c664728 Fix the internal link. 
llvm-svn: 179565
 2013-04-15 22:11:07 +00:00
Nadav Rotem
bd23c18b1d Update the release notes about the vectorizers. 
llvm-svn: 179564
 2013-04-15 22:10:39 +00:00
John Criswell
f101677b3e Grammar and punctuation fixes. 
No content changes.

llvm-svn: 179540
 2013-04-15 17:38:06 +00:00
Tim Northover
f8e799781e Enable all targets by default on Visual Studio. 
llvm-svn: 179518
 2013-04-15 11:53:05 +00:00
Nadav Rotem
0e89041496 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
9ab9988081 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
Jia Liu
09426bc1e1 fix include path in doc Extending LLVM 
llvm-svn: 179503
 2013-04-15 03:26:13 +00:00
Nadav Rotem
3260e4f4f7 Document the SLP infrastructure. 
llvm-svn: 179480
 2013-04-14 07:42:25 +00:00