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4905 Commits

Author SHA1 Message Date
Diego Novillo
77226a03dc 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182638 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-24 12:26:52 +00:00
Tim Northover
5a02fc4b5f 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182603 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-23 19:11:20 +00:00
Rui Ueyama
e0f26bc008 Fix typo in docs/GettingStarted.rst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182496 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-22 18:09:39 +00:00
Rafael Espindola
059d360266 Make R600 non-experimental. 
The r600 backend has been in tree for some time now. Marking it as
non-experimental to avoid accidental breakage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182442 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-22 00:35:47 +00:00
Sean Silva
57f429fcac 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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182332 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-20 23:31:12 +00:00
Daniel Dunbar
ff2515ef2c [docs] Minor doc tweaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182324 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-20 22:39:48 +00:00
Dmitri Gribenko
edc399aceb docs/Passes: fix some typos 
Patch by Yacine Belkadi.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182197 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-18 18:01:44 +00:00
Arnaud A. de Grandmaison
38286bee4d Add Jade to the list of external projects using LLVM in the release notes. 
Patch by: Antoine Lorence <Antoine.Lorence@insa-rennes.fr>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181886 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-15 14:05:01 +00:00
Michael Liao
95ab326674 Add 'CHECK-DAG' support 
Refer to 'FileCheck.rst'f for details of 'CHECK-DAG'.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181827 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-14 20:34:12 +00:00
Richard Sandiford
c3b20c260e [SystemZ] Add disassembler support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181777 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-14 10:17:52 +00:00
Alexander Kornienko
2e24e19cac 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181608 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-10 17:15:51 +00:00
Richard Sandiford
a571a93ebc Add SystemZ feats to CodeGenerator.rst 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181431 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-08 14:23:43 +00:00
Rafael Espindola
e449654815 Remove exception handling support from the old JIT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181354 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-07 20:53:59 +00:00
Bill Wendling
0c25b8f07e We're in 3.4 land now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181350 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-07 20:31:28 +00:00
Rafael Espindola
4247ca40d3 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181349 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-07 20:26:16 +00:00
Andrew Trick
eb4d746d7d Add two points to release notes about recent command line library changes. 
Patch by Dan Liew!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181335 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-07 17:34:35 +00:00
Richard Sandiford
46eb4a61c8 Mention SystemZ in the release notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181328 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-07 15:52:32 +00:00
Rafael Espindola
d31ba134bb Note that EH is now supported in MCJIT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181305 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-07 12:29:17 +00:00
Tim Northover
338eba7380 Correct logical shift documentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181290 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-07 06:17:14 +00:00
Andrew Trick
61e0172197 Implemented public interface for modifying registered (not positional or sink options) command line options at runtime. 
Patch by Dan Liew!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181254 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-06 21:56:35 +00:00
Andrew Trick
b7ad33b719 Support command line option categories. 
Patch by Dan Liew!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181253 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-06 21:56:23 +00:00
Ulrich Weigand
735ab83b3c [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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181208 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-06 16:22:34 +00:00
Richard Osborne
e0c3454771 [docs] Update Target Feature Matrix for the XCore backend. 
Disassembler support has recently been added. Fill in some other unknowns
at the same time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181156 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-05 14:09:55 +00:00
Amara Emerson
1aef163a68 Revert r181009. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181079 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-03 23:57:17 +00:00
Richard Sandiford
d07d29213b 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181016 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-03 14:32:27 +00:00
Amara Emerson
5d446e61d9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181009 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-03 11:36:35 +00:00
Pekka Jaaskelainen
555e8f606f Added pocl and TCE blurbs to the ReleaseNotes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181001 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-03 07:37:04 +00:00
Tobias Grosser
66bb622cff Added table of contents declaration in CommandLine Library documentation. 
Contributed-by:  Dan Liew <daniel.liew@imperial.ac.uk>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180919 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-02 14:59:52 +00:00
Aaron Ballman
a7eccdc59a 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180869 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-01 19:13:50 +00:00
Nikola Smiljanic
f2403bbae6 Fix spelling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180843 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-01 13:05:43 +00:00
Nadav Rotem
6f4888f259 Update the release notes about the min/max reductions that Arnold added. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180805 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-30 21:04:04 +00:00
Dmitri Gribenko
595dd5af14 Documentation: end option description with a period 
Patch by Dimitry Andric.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180675 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-27 16:34:24 +00:00
Michael Gottesman
e1f079064a Updated GettingStarted.rst so that it references utils/git-svn for git-svnup instead of catting it into the documentation itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180589 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-26 01:04:45 +00:00
Alexey Samsonov
ee03c949b8 Add basic zlib support to LLVM. This would allow to use compression/uncompression in selected LLVM tools. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180083 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-23 08:28:39 +00:00
Eli Bendersky
72590d57bd Document the -filetype option of llc (PR #12902) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180031 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 17:16:35 +00:00
Rafael Espindola
cde25b435a 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 14:58:02 +00:00
Stephen Lin
456ca048af 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). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179925 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-20 05:14:40 +00:00
Eli Bendersky
bff177676c Fix grammar in LLVMBuild.rst 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179768 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-18 16:39:32 +00:00
Eli Bendersky
f841609c4a Fixes to LangRef.rst: incorrect attributes syntax and misplaced 'nobuiltin' 
Patch by Stephen Lin


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179763 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-18 16:11:44 +00:00
Eli Bendersky
8c493386ce More consistent formatting and tidying-up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179716 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-17 20:17:08 +00:00
Eli Bendersky
8952d909a5 Make formatting more consistent and tidy-up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179689 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-17 17:17:20 +00:00
Nadav Rotem
3fe91a4453 Fix a grammar mistake, and add a line about the two phases that the BB/SLP vectorizers have (top-down and bottom-up). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179566 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 22:21:25 +00:00
Nadav Rotem
96e0b96a91 Fix the internal link. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179565 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 22:11:07 +00:00
Nadav Rotem
74cd12b73a Update the release notes about the vectorizers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179564 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 22:10:39 +00:00
John Criswell
24dcc2042e Grammar and punctuation fixes. 
No content changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179540 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 17:38:06 +00:00
Tim Northover
eaa752f5e1 Enable all targets by default on Visual Studio. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179518 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 11:53:05 +00:00
Nadav Rotem
2f7ce4522d Document our desire to enable the loop vectorizer on -Os in future releases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179511 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 05:56:55 +00:00
Nadav Rotem
fc175d97ff Docs: merge the description of the BB and SLP vectorizers and document the -fslp-vectorize-aggressive flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179510 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 05:53:23 +00:00
Jia Liu
fd975b0762 fix include path in doc Extending LLVM 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179503 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-15 03:26:13 +00:00
Nadav Rotem
a15dedba28 Document the SLP infrastructure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179480 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-14 07:42:25 +00:00