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3780 Commits

Author SHA1 Message Date
Chris Lattner
2fd09e3397 implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr. 
Factor some code better.

llvm-svn: 125006
 2011-02-07 16:40:21 +00:00
Chris Lattner
7b6a968f5d enhance vmcore to know that udiv's can be exact, and add a trivial 
instcombine xform to exercise this.

Nothing forms exact udivs yet though.  This is progress on PR8862

llvm-svn: 124992
 2011-02-06 21:44:57 +00:00
Devang Patel
82e61a6ff3 Update docs to match reality. 
llvm-svn: 124761
 2011-02-03 00:22:17 +00:00
Anton Korobeynikov
4b076fdbdb Document the LLVM GIT mirror 
llvm-svn: 124677
 2011-02-01 20:08:28 +00:00
Devang Patel
b61c9bfa72 Remove stale references of obsolete @llvm.dbg.variable. 
llvm-svn: 124664
 2011-02-01 17:22:12 +00:00
Nick Lewycky
9fe6ef1bed Most browsers eliminate whitespace between anchor tags. Force whitespace with 
  so that the code reads properly.

llvm-svn: 124514
 2011-01-29 01:09:53 +00:00
Oscar Fuentes
da69ba084d Handles libffi on the CMake build. 
Patch by arrowdodger!

llvm-svn: 123976
 2011-01-21 15:42:54 +00:00
Chris Lattner
fa467f3d1b finish a sentence. 
llvm-svn: 123750
 2011-01-18 06:12:10 +00:00
Rafael Espindola
fde74c53b6 Add a clarification about merging constants with and without unnamed_addr. 
llvm-svn: 123530
 2011-01-15 08:20:57 +00:00
Jakob Stoklund Olesen
aaec1aa6b6 Don't document exactly how virtual registers are represented as integers. Code 
shouldn't depend directly on that.

Give an example of how to iterate over all virtual registers in a function
without depending on the representation.

llvm-svn: 123099
 2011-01-08 23:10:59 +00:00
Rafael Espindola
9f526bcf4d First step in fixing PR8927: 
Add a unnamed_addr bit to global variables and functions. This will be used
to indicate that the address is not significant and therefore the constant
or function can be merged with others.

If an optimization pass can show that an address is not used, it can set this.

Examples of things that can have this set by the FE are globals created to
hold string literals and C++ constructors.

Adding unnamed_addr to a non-const global should have no effect unless
an optimization can transform that global into a constant.

Aliases are not allowed to have unnamed_addr since I couldn't figure
out any use for it.

llvm-svn: 123063
 2011-01-08 16:42:36 +00:00
David Greene
e9b2fb7e0d Rename lisp-like functions as suggested by Gabor Greif as loooong time 
ago.  This is both easier to learn and easier to read.

llvm-svn: 123001
 2011-01-07 17:05:37 +00:00
Owen Anderson
a52e5dbdfa Stub out a new updating interface to AliasAnalysis, allowing stateful analyses to be informed when 
a pointer value has potentially become escaping.  Implementations can choose to either fall back to
conservative responses for that value, or may recompute their analysis to accomodate the change.

llvm-svn: 122777
 2011-01-03 21:38:41 +00:00
Owen Anderson
658a5c2101 We can count properly. 
llvm-svn: 122773
 2011-01-03 21:08:22 +00:00
David Greene
124695aed0 Reapply 122341 to fix PR8199 now that clang changes are in. 
llvm-svn: 122754
 2011-01-03 17:30:25 +00:00
Nick Lewycky
a8e288b52d Further expand what a call graph pass may do. 
The rationale is that after analyzing a function in the SCC, we may want to
modify it in a way that requires us to update its uses (f.e. to replace the
call with a constant) or its users (f.e. to call it with fewer arguments).

llvm-svn: 122739
 2011-01-03 06:16:07 +00:00
Nick Lewycky
310c4820f8 Permit CallGraphSCCPasses readonly access to the direct callers of the functions 
in their SCC as they already have with the direct callees.

llvm-svn: 122734
 2011-01-03 04:01:44 +00:00
Duncan Sands
6569cc29d1 Correct a bunch of mistakes which meant that the example pass didn't 
even compile, let alone work.

llvm-svn: 122657
 2011-01-01 17:37:07 +00:00
Duncan Sands
621983efe9 I was unable to get the instructions to work if LLVM was built 
using a separate objects directory.

llvm-svn: 122656
 2011-01-01 17:28:49 +00:00
Duncan Sands
3ba8ee3552 Clarify that the loadable module turns up in the top-level directory, 
not locally.

llvm-svn: 122655
 2011-01-01 17:21:58 +00:00
Erick Tryzelaar
f6477b0a90 Add a reference to the OCamlLangImpl8. 
llvm-svn: 122651
 2011-01-01 03:29:25 +00:00
Erick Tryzelaar
5ac1b424f0 Add an OCaml tutorial page 8 
llvm-svn: 122650
 2011-01-01 03:27:43 +00:00
Tobias Grosser
4f458bffaa Integers are primitive types. Update the documentation to state this 
This was done for label, void, floating point, x86mmx, metadata,
just not integer.

llvm-svn: 122606
 2010-12-28 20:29:31 +00:00
David Greene
33a91c0c9a Revert 122341. It breaks some darwin tests. 
llvm-svn: 122346
 2010-12-21 17:25:43 +00:00
David Greene
28140b5288 Fix PR 8199. This patch prepends the build tool dir to LLVM programs 
being tested.  This ensures that we test the tools just built and not
some random tools that might happen to be in the user's PATH.  This
makes LLVM testing much more stable and predictable.

llvm-svn: 122341
 2010-12-21 16:55:53 +00:00
Bill Wendling
d10b614157 Grammar corrections and some formatting changes. 
llvm-svn: 122312
 2010-12-21 03:31:05 +00:00
Wesley Peck
11bdb2e5b5 Update the target feature matrix to reflect some new features in the MBlaze backend. 
llvm-svn: 122276
 2010-12-20 21:54:50 +00:00
Oscar Fuentes
dd676ee5b1 New cmake option LLVM_APPEND_VC_REV for controlling when the VC 
revision id is appended to the LLVM version string. Defaults to
OFF.

Until now the VC revision id was always appended to the revision
string whenever cmake was invoked (either explicitly or implicitly
because a cmake source file changed). This was causing massive
recompilations because config.h are reconfigured with the new contents
of PACKAGE_VERSION.

llvm-svn: 122240
 2010-12-20 09:47:13 +00:00
Bruno Cardoso Lopes
41ed6e3571 Update the Target Feature Matrix for Mips 
llvm-svn: 122203
 2010-12-19 22:41:43 +00:00
Dan Gohman
4b073c7a7f Fix a typo that Bill spotted. 
llvm-svn: 121909
 2010-12-15 23:09:41 +00:00
Dan Gohman
0b9ddf4485 Document some more AliasAnalysis infrastructure limitations. 
llvm-svn: 121874
 2010-12-15 18:45:20 +00:00
Bill Wendling
0611f0ab0b Add mention that we support FreeBSD/amd64. 
llvm-svn: 121832
 2010-12-15 01:35:55 +00:00
Jakob Stoklund Olesen
8ebbd669bc Add IntervalMap to the Programmer's Manual. 
llvm-svn: 121740
 2010-12-14 00:55:51 +00:00
Chris Lattner
a008be1ee9 further fixes. 
llvm-svn: 121657
 2010-12-13 00:17:12 +00:00
Chris Lattner
13577458da fix typo 
llvm-svn: 121620
 2010-12-12 02:42:57 +00:00
Dan Gohman
9d1f5ce1da Introduce a new PartialAlias response for AliasAnalysis. For most 
AliasAnalysis consumers, PartialAlias will be treated as MayAlias.

For AliasAnalysis chaining, MayAlias says "procede to the next analysis".
PartialAlias will be used to indicate that the query should terminate,
even though it didn't reach MustAlias or NoAlias.

llvm-svn: 121507
 2010-12-10 19:38:58 +00:00
Eric Christopher
2bb1326bb6 Use GZIPBIN instead of GZIP. Apparently gzip uses GZIP as an environment 
variable for args you want to default pass to gzip.

Patch based on one by asau@inbox.ru.

Fixes PR8758.

llvm-svn: 121449
 2010-12-10 01:31:51 +00:00
Chris Lattner
ed18cd64c2 fix some validation problems 
llvm-svn: 121444
 2010-12-10 00:54:03 +00:00
Chris Lattner
8b17f8647e restructure this for readability, correct the example to follow the public ivar name convention 
llvm-svn: 121443
 2010-12-10 00:52:35 +00:00
Chris Lattner
dd76dce2d8 add a rule for enums, patch by Zhanyong Wan! 
llvm-svn: 121430
 2010-12-09 23:32:39 +00:00
Bill Wendling
87a73f7945 Fix the prototype for the llvm.eh.selector intrinsic. 
llvm-svn: 121425
 2010-12-09 23:05:48 +00:00
Bill Wendling
c5a48281fa Fix newlines. 
llvm-svn: 121233
 2010-12-08 02:46:25 +00:00
Frits van Bommel
96efe38470 Clarify some of the differences between indexing with getelementptr and indexing with insertvalue/extractvalue. 
llvm-svn: 120957
 2010-12-05 20:54:38 +00:00
Zhanyong Wan
b845682253 Add naming rules to the coding standards. 
llvm-svn: 120689
 2010-12-02 05:10:07 +00:00
Chris Lattner
227a4ee15a forbid rtti and exceptions 
llvm-svn: 120450
 2010-11-30 19:20:40 +00:00
Nick Lewycky
87f97b60f8 Make @llvm.invariant.start not be readonly, so that it has side-effects. This 
unbreaks test/Transforms/InstCombine/invariant.ll which was broken by r120382.
This is a fix-forward to do what I think Chris intended.

llvm-svn: 120388
 2010-11-30 04:13:41 +00:00
Oscar Fuentes
997986b1ea Bump required cmake version on CMake.html. 
llvm-svn: 120162
 2010-11-25 21:41:48 +00:00
Zhanyong Wan
ee1d07099f Fix formatting nits in the coding standards. Reviewed by clattner. 
llvm-svn: 119998
 2010-11-23 05:03:07 +00:00
Wesley Peck
d589353ad0 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 
llvm-svn: 119990
 2010-11-23 03:31:01 +00:00
Chris Lattner
d4da93abb1 a byval argument without an align can have an arbitrary alignment 
requirement on the input pointer.

llvm-svn: 119914
 2010-11-20 23:49:06 +00:00