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765 Commits

Author SHA1 Message Date
Bill Wendling
262396b644 Random cleanups. No description changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146288 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-09 22:41:40 +00:00
Chad Rosier
85f5a1ae39 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146234 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-09 02:00:44 +00:00
Dan Gohman
e1a2984847 Fix a subtle semantic issue with poison values that came up in 
recent discussions. Poison can't make every value that depends on
it act in maximally undefined ways, because the optimizer may still
hoist code following the usual rules for undef. Make Poison invoke
its full undefined behavior only when it reaches an instruction with
externally visible side effects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145913 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 03:35:58 +00:00
Dan Gohman
5cdc51ea7b Line up the comments in a code example. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145908 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 03:31:14 +00:00
Dan Gohman
bfb056dccf Rename "Trap Values" to "Poison Values", to better reflect their 
purpose, and to avoid ambiguity with other uses of the word "trap"
in LangRef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145907 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 03:18:47 +00:00
Bill Wendling
9bd5d044b7 Move 'returns_twice' definition into alphabetical place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145854 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 21:27:54 +00:00
Nadav Rotem
1608769abe Add support for vectors of pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145801 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 06:29:09 +00:00
Jakub Staszak
8e1b12ae68 Fix table of contents. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145793 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-04 20:44:25 +00:00
Jakub Staszak
b170e2de83 Add 'llvm.expect' intrinsic description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145792 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-04 18:29:26 +00:00
Bill Wendling
aee0f453c5 More cleanups. No content change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145522 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-30 21:52:43 +00:00
Bill Wendling
f6cc4c2d60 Minor cleanup. No content change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145521 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-30 21:43:43 +00:00
Chris Lattner
fbe910e7f4 remove asmparsing and documentation support for "volatile load", which was only produced by LLVM 2.9 and earlier. LLVM 3.0 and later prefers "load volatile". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145172 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 06:56:53 +00:00
Bill Wendling
0656e254a7 Reformat the quote and tag the math stuff with <tt> tags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144204 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-09 19:33:56 +00:00
Bill Wendling
9ae7563732 Cleanup the formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144053 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-08 00:32:45 +00:00
Bill Wendling
5c3a9f7dd6 Fix some misplaced punctuation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143737 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-04 20:40:41 +00:00
NAKAMURA Takumi
4b2e07aa58 docs/*.html: Fix markups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143349 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-31 13:04:26 +00:00
Nick Lewycky
1c929be810 Close <div> that was indenting the rest of the page. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143328 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-31 01:32:21 +00:00
Peter Collingbourne
999f90bedf Add a pinned metadata name for fpaccuracy, and document it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143135 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-27 19:19:14 +00:00
Peter Collingbourne
249d953ed7 Document tbaa metadata in LangRef (documentation largely based on 
comments at top of TypeBasedAliasAnalysis.cpp).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143134 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-27 19:19:07 +00:00
Eli Friedman
5289142cc8 Remove dead atomic intrinsics from LangRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142994 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:36:41 +00:00
Lang Hames
87d5cb81fb Fixed typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141906 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-13 23:04:49 +00:00
Chris Lattner
e4617b0280 target data is a contract with the code generator, not the "processor" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141734 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 23:02:17 +00:00
Chris Lattner
6509f50c69 improve some of the documentation around target data layout strings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141733 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 23:01:39 +00:00
Lang Hames
5f119a6237 Fixed docs to reflect the proper default value and behaviour of the natural stack alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141687 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 17:50:14 +00:00
Bill Wendling
f7f06103c2 Use the proper name for "externally visible" linkage -- 'external'. This is the 
keyword in LLVM for externally visible linkage.
PR10636


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141649 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 06:41:28 +00:00
Lang Hames
bb5b3f3359 Add a natural stack alignment field to TargetData, and prevent InstCombine from 
promoting allocas to preferred alignments that exceed the natural
alignment. This avoids some potentially expensive dynamic stack realignments.

The natural stack alignment is set in target data strings via the "S<size>"
option. Size is in bits and must be a multiple of 8. The natural stack alignment
defaults to "unspecified" (represented by a zero value), and the "unspecified"
value does not prevent any alignment promotions. Target maintainers that care
about avoiding promotions should explicitly add the "S<size>" option to their
target data strings.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141599 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 23:42:08 +00:00
Rafael Espindola
b3c4e26dc5 Remove last references to hotpatch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141057 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 03:08:43 +00:00
Rafael Espindola
25456ef74c Add the returns_twice attribute to LLVM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141001 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 14:45:37 +00:00
Duncan Sands
4a544a79bd Split the init.trampoline intrinsic, which currently combines GCC's 
init.trampoline and adjust.trampoline intrinsics, into two intrinsics
like in GCC.  While having one combined intrinsic is tempting, it is
not natural because typically the trampoline initialization needs to
be done in one function, and the result of adjust trampoline is needed
in a different (nested) function.  To get around this llvm-gcc hacks the
nested function lowering code to insert an additional parent variable
holding the adjust.trampoline result that can be accessed from the child
function.  Dragonegg doesn't have the luxury of tweaking GCC code, so it
stored the result of adjust.trampoline in the memory GCC set aside for
the trampoline itself (this is always available in the child function),
and set up some new memory (using an alloca) to hold the trampoline.
Unfortunately this breaks Go which allocates trampoline memory on the
heap and wants to use it even after the parent has exited (!).  Rather
than doing even more hacks to get Go working, it seemed best to just use
two intrinsics like in GCC.  Patch mostly by Sanjoy Das.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139140 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-06 13:37:06 +00:00
Eli Friedman
c264b2f693 Some minor updates to atomic acquire/release docs in LangRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138472 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 20:28:39 +00:00
Rafael Espindola
3395fe1e4b Fix an example in the documentation. 
Patch by Sanjoy Das!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138346 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-23 18:26:56 +00:00
Eli Friedman
234bccd194 Some minor wording updates and cross-linking for atomic docs. Explicitly note that we don't try to portably define what volatile in LLVM IR means. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138274 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 21:35:27 +00:00
John Criswell
e865c035fd Fixed some punctuation. Sentences can be combined with semi-colons but not 
commas.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138043 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 16:57:55 +00:00
Eli Friedman
266246c0ed Fix the getelementptr description so it is extremely clear that array indices passed to getelementptr are signed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137538 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 23:37:55 +00:00
Eli Friedman
f03bb260c9 Move "atomic" and "volatile" designations on instructions after the opcode 
of the instruction.

Note that this change affects the existing non-atomic load and store
instructions; the parser now accepts both forms, and the change is noted
in the release notes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137527 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 22:50:01 +00:00
Bill Wendling
e6e8826870 Initial commit of the 'landingpad' instruction. 
This implements the 'landingpad' instruction. It's used to indicate that a basic
block is a landing pad. There are several restrictions on its use (see
LangRef.html for more detail). These restrictions allow the exception handling
code to gather the information it needs in a much more sane way.

This patch has the definition, implementation, C interface, parsing, and bitcode
support in it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 20:24:12 +00:00
Chris Lattner
aa175c37d1 fix one reference that slipped through, thanks Eli 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137488 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:12:40 +00:00
Chris Lattner
2c38d65fd9 add new accessors to reflect new terminology in struct types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137468 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:31:02 +00:00
NAKAMURA Takumi
b5bb29c71f docs: Update HTML markup(s). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137433 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 06:17:17 +00:00
Eli Friedman
8fa281a471 Fix minor typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 23:26:12 +00:00
Eli Friedman
21006d40ac Representation of 'atomic load' and 'atomic store' in IR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 23:02:53 +00:00
Bill Wendling
bf13ee1941 Clean up the grammar for the landingpad instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137042 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-08 08:06:05 +00:00
Bill Wendling
2905c32335 Fix typo found by John. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-08 07:58:58 +00:00
Bill Wendling
e4ad50bb43 Go back to the old definition. It's not clear that a 'resume' can be 'outlined' from the function with the landing pad for all platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136799 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-03 18:37:32 +00:00
Bill Wendling
b7a01353ea Explain how clauses are applied. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136790 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-03 17:17:06 +00:00
Bill Wendling
f78faf84a8 Add the documentation for the 'landingpad' instruction. Improve the 'invoke' 
instruction's documentation to reference the landingpad and resume instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136729 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-02 21:52:38 +00:00
Chris Lattner
6445ecbdb9 no need to count the terminators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136718 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-02 20:29:13 +00:00
Eli Friedman
101c81da45 Minor wording tweak for memory model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136668 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-02 01:15:34 +00:00
Bill Wendling
af75f0ca86 Fix some validation errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-31 06:47:33 +00:00
Bill Wendling
0246bb77db Fix some validation errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136590 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-31 06:45:03 +00:00