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Author SHA1 Message Date
Duncan Sands 0c9742c3ae Update these for the 2.5 release. 
llvm-svn: 66890
 2009-03-13 13:42:20 +00:00
Gabor Greif 02ab9ab66d add some text to explain sentinels 
llvm-svn: 66790
 2009-03-12 10:30:31 +00:00
Gabor Greif 4ef9bc053a minor tweaks 
llvm-svn: 66788
 2009-03-12 09:47:03 +00:00
Gabor Greif 42225e50f3 do not pretend llvm/.../*.h being system headers 
llvm-svn: 66697
 2009-03-11 20:23:40 +00:00
Duncan Sands 4581bebf2a It makes no sense to have a ODR version of common 
linkage, so remove it.

llvm-svn: 66690
 2009-03-11 20:14:15 +00:00
Gabor Greif 605c7cab75 fix validator errors 
llvm-svn: 66688
 2009-03-11 20:04:08 +00:00
Gabor Greif bfdf23f07c Fix exaples using IRBuilder. Thanks, Quadrescence and Glip7 from IRC! 
llvm-svn: 66687
 2009-03-11 19:51:07 +00:00
Duncan Sands e2881053c9 Remove the one-definition-rule version of extern_weak 
linkage: this linkage type only applies to declarations,
but ODR is only relevant to globals with definitions.

llvm-svn: 66650
 2009-03-11 08:08:06 +00:00
Chris Lattner dd282825a8 Clarify wording, patch by Stefanus Du Toit! 
llvm-svn: 66458
 2009-03-09 20:55:18 +00:00
Chris Lattner 4ce03e66a1 don't allow hash_map or hash_set. 
llvm-svn: 66400
 2009-03-09 05:20:45 +00:00
Duncan Sands 12da8ce3d2 Introduce new linkage types linkonce_odr, weak_odr, common_odr 
and extern_weak_odr.  These are the same as the non-odr versions,
except that they indicate that the global will only be overridden
by an *equivalent* global.  In C, a function with weak linkage can
be overridden by a function which behaves completely differently.
This means that IP passes have to skip weak functions, since any
deductions made from the function definition might be wrong, since
the definition could be replaced by something completely different
at link time.   This is not allowed in C++, thanks to the ODR
(One-Definition-Rule): if a function is replaced by another at
link-time, then the new function must be the same as the original
function.  If a language knows that a function or other global can
only be overridden by an equivalent global, it can give it the
weak_odr linkage type, and the optimizers will understand that it
is alright to make deductions based on the function body.  The
code generators on the other hand map weak and weak_odr linkage
to the same thing.

llvm-svn: 66339
 2009-03-07 15:45:40 +00:00
Gordon Henriksen 1424861a62 Committing unsaved changes that should've been with r66237. 
llvm-svn: 66242
 2009-03-06 02:42:47 +00:00
Gordon Henriksen 3519d5d828 Incorporate feedback to improve GarbageCollection.html. 
llvm-svn: 66237
 2009-03-06 01:57:32 +00:00
Nick Lewycky 79a6fe91e0 This bug's been fixed but a version with the fix hasn't been released yet. 
llvm-svn: 65931
 2009-03-03 05:41:16 +00:00
Bill Wendling a347bc6700 Document the -gcc-tool-args bugpoint option. 
llvm-svn: 65897
 2009-03-02 23:15:59 +00:00
Daniel Dunbar 3854762d92 Add some more clang related release notes. 
llvm-svn: 65868
 2009-03-02 20:08:12 +00:00
Tanya Lattner 8ae22cba41 Remove incorrect information about fortran on Darwin. 
llvm-svn: 65859
 2009-03-02 19:38:59 +00:00
Gabor Greif 6b30968114 fix broken GCC bugzilla link 
llvm-svn: 65858
 2009-03-02 19:11:53 +00:00
Gabor Greif 143bf8b5cd add a Q/A on broken GCCs 
llvm-svn: 65857
 2009-03-02 19:08:05 +00:00
Chris Lattner 0c72d8f305 update blurb per Shannon Weyrick. 
llvm-svn: 65856
 2009-03-02 19:07:24 +00:00
Duncan Sands d16340c846 Try to make the meaning of 'nocapture' a bit clearer. I 
commented out the line about simplifylibcalls because I
think this doesn't work in the release (it was fixed in
svn after the release branched).

llvm-svn: 65846
 2009-03-02 16:58:00 +00:00
Duncan Sands 2dbb00ea9a Use GCC not gcc, like everywhere else in this document. 
llvm-svn: 65845
 2009-03-02 16:35:57 +00:00
John Criswell ea03c9d300 Grammar and punctuation fixes. 
No content changes.

llvm-svn: 65844
 2009-03-02 15:28:15 +00:00
Gabor Greif 176c12dd38 note the removal of deprecated interfaces 
llvm-svn: 65841
 2009-03-02 12:23:55 +00:00
Gabor Greif 75b2f76754 minor tweaks 
llvm-svn: 65838
 2009-03-02 12:02:51 +00:00
Gabor Greif 01c2ec85ed minor tweaks 
llvm-svn: 65837
 2009-03-02 11:34:51 +00:00
Nicolas Geoffray 08a8d0e71e Add more notes for VMKit. 
llvm-svn: 65833
 2009-03-02 09:25:38 +00:00
Bill Wendling 89cd82f5da Random formatting changes. 
llvm-svn: 65815
 2009-03-02 07:54:14 +00:00
Bill Wendling b3921bf12e Fix typos. 
llvm-svn: 65813
 2009-03-02 07:42:15 +00:00
Bill Wendling f170d2e6c8 Change </pp> to </p>. 
llvm-svn: 65804
 2009-03-02 04:28:57 +00:00
Bill Wendling 87adbe4836 - Use "real-world applications" instead of just "real applications". 
- Verification Fixes.

llvm-svn: 65803
 2009-03-02 04:28:18 +00:00
Gordon Henriksen 29a25ebbd9 Make some improvements to the GC docs. 
Also, drop reference to the half-baked runtime interface.

llvm-svn: 65802
 2009-03-02 03:47:20 +00:00
Chris Lattner 0ed1aa830b remove empty section 
llvm-svn: 65800
 2009-03-02 03:24:41 +00:00
Chris Lattner d434bfbdc4 more englishification 
llvm-svn: 65799
 2009-03-02 03:24:11 +00:00
Chris Lattner d1094e032f start translating this into Engrish and organizing it. 
llvm-svn: 65797
 2009-03-02 02:37:32 +00:00
Chris Lattner 705f0b764e move gold plugin next to LTO doc in the subsystem section 
llvm-svn: 65790
 2009-03-01 23:42:51 +00:00
Nick Lewycky b750d2266d Add a quickstart example. 
llvm-svn: 65789
 2009-03-01 21:55:10 +00:00
Nick Lewycky d70c8a8da6 Close list item tag, to conform with the style in this file. It's optional 
anyways.

llvm-svn: 65787
 2009-03-01 21:07:44 +00:00
Nick Lewycky f268c6b2a3 Add the gold plugin page to the documentation index! 
llvm-svn: 65786
 2009-03-01 21:06:42 +00:00
Nick Lewycky 236e926c5b Cleanup the description of flags to llvm-gcc. Also remove stray text in the 
attribution.

llvm-svn: 65785
 2009-03-01 20:58:07 +00:00
Nick Lewycky 6d1fc5c7e4 Don't forget the important part. llvm-gcc -use-gold-plugin passes the right 
options to gold.

llvm-svn: 65783
 2009-03-01 18:48:53 +00:00
Mikhail Glushenkov 254225489a Sprinkle llvmc notes with <tt>. 
Also removes some trailing whitespace.

llvm-svn: 65781
 2009-03-01 18:09:47 +00:00
Duncan Sands 3d23bb03c1 Tweak this a bit. 
llvm-svn: 65772
 2009-03-01 15:19:03 +00:00
Nick Lewycky b603c73e76 Fix grammar. 
llvm-svn: 65769
 2009-03-01 09:51:07 +00:00
Nick Lewycky 0a71fa9dc3 First pass at a document describing how to achieve LTO on Linux with gold. 
llvm-svn: 65766
 2009-03-01 09:38:29 +00:00
Duncan Sands 2166cb7673 Another point to mention. 
llvm-svn: 65765
 2009-03-01 08:26:19 +00:00
Chris Lattner c92d769b41 add some llvmc notes from Mikhail 
llvm-svn: 65756
 2009-03-01 02:30:21 +00:00
Bill Wendling 050ee8fb8d Fix grammaro. 
llvm-svn: 65727
 2009-02-28 22:12:54 +00:00
Chris Lattner fb23a968ad add a stub for Roadsend PHP 
llvm-svn: 65705
 2009-02-28 18:58:01 +00:00
Chris Lattner 361bfcd932 don't use the word 'aggregate' with constants, it is confusing. 
llvm-svn: 65702
 2009-02-28 18:32:25 +00:00