8ad777dc75
Update LangRef to match the code; pointers default to being 64-bit.
...
llvm-svn: 96873
2010-02-23 02:44:03 +00:00
9641d06809
Add support for emitting non-temporal stores for DAGs marked
...
non-temporal. Fix from r96241 for botched encoding of MOVNTDQ.
Add documentation for !nontemporal metadata.
Add a simpler movnt testcase.
llvm-svn: 96386
2010-02-16 20:50:18 +00:00
392be58cad
Add support for a union type in LLVM IR. Patch by Talin!
...
llvm-svn: 96011
2010-02-12 20:49:41 +00:00
be5557e86b
Add a new function attribute, 'alignstack'. It will indicate (when the backends
...
implement support for it) that the stack should be forcibly realigned in the
prologue (and the process reversed in the epilogue).
llvm-svn: 95945
2010-02-12 00:31:15 +00:00
74bb06c0f0
Reintroduce the InlineHint function attribute.
...
This time it's for real! I am going to hook this up in the frontends as well.
The inliner has some experimental heuristics for dealing with the inline hint.
When given a -respect-inlinehint option, functions marked with the inline
keyword are given a threshold just above the default for -O3.
We need some experiments to determine if that is the right thing to do.
llvm-svn: 95466
2010-02-06 01:16:28 +00:00
c2f8f16162
move "Metadata Nodes and Metadata Strings" section to the right place in the
...
document and edit it.
llvm-svn: 93559
2010-01-15 21:50:19 +00:00
8444d7536c
Remove the InlineHint attribute. There are no current or planned
...
users.
llvm-svn: 93558
2010-01-15 21:36:30 +00:00
97257f8e40
mention that unwind isn't to be trusted, patch by Dustin Laurence
...
llvm-svn: 93518
2010-01-15 18:08:37 +00:00
d1a8969dd2
Add top level section for named metadata.
...
llvm-svn: 93172
2010-01-11 19:35:55 +00:00
f991bbb0c1
Improve unclear bits and inaccuracies in structure and insertvalue
...
documentation.
Patch by Dustin Laurence!
llvm-svn: 93170
2010-01-11 19:19:26 +00:00
b867746a05
Clarify the requirements for a "tail call" to actually be optimized into a
...
jump. People clearly weren't finding the extra requirements in
CodeGenerator.html.
llvm-svn: 93070
2010-01-09 19:44:16 +00:00
0de4caa57b
improve documentation for linkonce to be less confusing.
...
llvm-svn: 93066
2010-01-09 19:15:14 +00:00
3070e16e6f
Grammar thinko.
...
llvm-svn: 93027
2010-01-08 21:42:39 +00:00
e307348325
NamedMDNode is a collection MDNodes.
...
llvm-svn: 92761
2010-01-05 20:41:31 +00:00
31e39bd3d4
Update docs for bitcode changes. For object size checking we won't
...
work with partial objects so just count the type as a boolean. Update
appropriately.
llvm-svn: 91954
2009-12-23 00:29:49 +00:00
455c5776e2
More updates to objectsize intrinsic docs.
...
llvm-svn: 90644
2009-12-05 02:46:03 +00:00
8aa46bc6fd
Update per Bill's comments. Work in progress.
...
llvm-svn: 90271
2009-12-01 22:28:41 +00:00
7348432ade
First pass at llvm.objectsize documentation.
...
llvm-svn: 90116
2009-11-30 08:03:53 +00:00
31c0e0ee35
Vector types are no longer required to have a power-of-two length.
...
llvm-svn: 90004
2009-11-27 13:38:03 +00:00
ee7425cc56
These code generator limitations have been removed.
...
llvm-svn: 90003
2009-11-27 12:33:22 +00:00
c74bc28297
The inbounds keyword isn't relevant to overindexing of
...
static array types. Thanks to Duncan for pointing this out!
llvm-svn: 86576
2009-11-09 19:01:53 +00:00
66c4d61010
Remove the "special case" for zero-length arrays, and rephrase this
...
paragraph to be more precise.
llvm-svn: 86572
2009-11-09 18:40:39 +00:00
a381effe72
add the ability for TargetData to return information about legal integer
...
datatypes on a given CPU. This is intended to allow instcombine and other
transformations to avoid converting big sequences of operations to an
inconvenient width, and will help clean up after SRoA. See also "Adding
legal integer sizes to TargetData" on Feb 1, 2009 on llvmdev, and PR3451.
Comments welcome.
llvm-svn: 86370
2009-11-07 09:35:34 +00:00
33fef7e4e5
Add missing end-tag.
...
llvm-svn: 85769
2009-11-02 00:25:26 +00:00
7f4a336785
Some formatting changes.
...
llvm-svn: 85768
2009-11-02 00:24:16 +00:00
aa99c94e2a
Revert 85678/85680. The decision is to stay with the current form of
...
indirectbr, thus we don't need "blockaddr(@func, null)". Eliminate it
for simplicity.
llvm-svn: 85699
2009-11-01 01:27:45 +00:00
b2c0e243c5
Make blockaddress(@func, null) be valid, and make 'deleting a basic
...
block with a blockaddress still referring to it' replace the invalid
blockaddress with a new blockaddress(@func, null) instead of a
inttoptr(1).
This changes the bitcode encoding format, and still needs codegen
support (this should produce a non-zero value, referring to the entry
block of the function would also be quite reasonable).
llvm-svn: 85678
2009-10-31 20:08:37 +00:00
03ab4dcff9
use metavariable <result> instead of SSA name %result for consistency
...
llvm-svn: 85388
2009-10-28 13:14:50 +00:00
bd0328f668
ooops, SSA name should not be part of the link
...
llvm-svn: 85387
2009-10-28 13:05:07 +00:00
f50fd57543
advertise new syntax for unnamed instructions
...
and eliminate confusing double-use of SSA names
(work in progress)
llvm-svn: 85385
2009-10-28 09:21:30 +00:00
d04cb6d0fa
rename indbr -> indirectbr to appease the residents of #llvm.
...
llvm-svn: 85351
2009-10-28 00:19:10 +00:00
b4f2a24363
typo
...
llvm-svn: 85322
2009-10-27 21:52:54 +00:00
5c5f0ac362
you can't take the address of the entry block of a function.
...
llvm-svn: 85321
2009-10-27 21:49:40 +00:00
da37b30b21
improvements from gabor.
...
llvm-svn: 85320
2009-10-27 21:44:20 +00:00
2bfd320226
fix things pointed out by Dan!
...
llvm-svn: 85310
2009-10-27 21:19:13 +00:00
e4801f7844
document the forthcoming blockaddress constant.
...
llvm-svn: 85306
2009-10-27 21:01:34 +00:00
6506d6c3d7
fix pasto pointed out by Rafael
...
llvm-svn: 85294
2009-10-27 20:27:24 +00:00
3ed871fe62
add enough support for indirect branch for the feature test to pass
...
(assembler,asmprinter, bc reader+writer) and document it. Codegen
currently aborts on it.
llvm-svn: 85274
2009-10-27 19:13:16 +00:00
d20fd59e29
Fix reversed logic spotted by Owen Anderson.
...
llvm-svn: 85251
2009-10-27 16:56:58 +00:00
a70c6dff97
Remove all references to MallocInst and FreeInst
...
llvm-svn: 85177
2009-10-26 23:44:29 +00:00
1cfb958b00
Rename msasm to alignstack per review.
...
llvm-svn: 84795
2009-10-21 23:28:00 +00:00
63c94fe1e2
Documentation for the new msasm flag, which is no
...
worse than the rest of the asm documentation.
llvm-svn: 84037
2009-10-13 21:56:55 +00:00
9bc890425a
Force memory use markers to have a ConstantInt for the size argument.
...
llvm-svn: 83960
2009-10-13 07:57:33 +00:00
6f7d8347c1
Add new "memory use marker" intrinsics. These indicate lifetimes and invariant
...
sections of memory objects.
llvm-svn: 83953
2009-10-13 07:03:23 +00:00
0f4203861f
Documentation: Perform automated correction of common typos.
...
llvm-svn: 83849
2009-10-12 14:46:08 +00:00
80d73c7ee7
fix broken anchors.
...
llvm-svn: 83715
2009-10-10 18:26:06 +00:00
93e06a57c9
Remove the "metadata*" type and simplify the code it complicated. This was only
...
used to support GlobalVariables storing MDNodes, back when they were derived
from Constant before the introduction of NamedMDNode, but never removed.
llvm-svn: 82943
2009-09-27 23:27:42 +00:00
14d1cccc2b
Remove dead code from this function and optimize. Update its corresponding
...
LangRef entry too.
llvm-svn: 82890
2009-09-27 07:55:32 +00:00
84a1eeb7ed
Move the integer type out of 'derived' and into 'primitive'. This permits us
...
to explain that derived types are all composed of other types, which primitive
types aren't. Without moving integer out of derived, this wouldn't be true.
Perform a few trivial cleanups; 'i1' went from a link to #t_primitive to
#t_integer (a holdover from when it was a bool type I suppose).
llvm-svn: 82884
2009-09-27 00:45:11 +00:00
722212d1a0
Revise C library functions description to be vaguer, per Chris.
...
llvm-svn: 82776
2009-09-25 17:04:42 +00:00
68f971b1d6
Clarify that llvm attaches C language semantics to
...
functions with names that match the C library.
llvm-svn: 82701
2009-09-24 18:38:21 +00:00
92ada5dc52
more typos
...
llvm-svn: 81499
2009-09-11 01:49:31 +00:00
10ff0c1862
another typo
...
llvm-svn: 81243
2009-09-08 19:45:34 +00:00
6760e54c92
fix a couple typos pointed out by edwin and duncan
...
llvm-svn: 81219
2009-09-08 15:13:16 +00:00
a34a718c4b
add some more notes.
...
llvm-svn: 81170
2009-09-07 23:33:52 +00:00
ec72b9bbcf
describe undef semantics in some more detail.
...
llvm-svn: 81167
2009-09-07 22:52:39 +00:00
957b1316e6
Fix the syntax of add/sub/mul nsw/nuw and sdiv exact.
...
llvm-svn: 80805
2009-09-02 17:31:42 +00:00
2aaf539564
Add an 'inline hint' attribute to represent source
...
code hints that it would be a good idea to inline
a function ("inline" keyword). No functional change
yet; FEs do not emit this and inliner does not use it.
llvm-svn: 80063
2009-08-26 01:08:21 +00:00
e7f064ed2b
improve documentation for linker_private linkage.
...
llvm-svn: 79893
2009-08-24 04:32:16 +00:00
2de532c132
Clarify a few things in the inbounds description.
...
Describing inbounds in terms of infinitely precise arithmetic prohibits
the assumption address-space-sized integer arithmetic will wrap, with
a wrapped-around value landing within the same object.
llvm-svn: 79538
2009-08-20 17:08:17 +00:00
0aff0b2b58
common globals may also not be marked constant.
...
llvm-svn: 78169
2009-08-05 05:41:44 +00:00
d055488c72
Clarify common linkage and the requirements on it. Enforce
...
them in the verifier.
llvm-svn: 78160
2009-08-05 05:21:07 +00:00
61acaaa0f0
Add one-past-the-end language to the inbounds keyword.
...
llvm-svn: 77460
2009-07-29 16:00:30 +00:00
a40b912352
some wording changes.
...
llvm-svn: 77443
2009-07-29 06:44:13 +00:00
8ae4e24c67
Fix a few typos and add links.
...
llvm-svn: 77403
2009-07-29 00:02:05 +00:00
1639c3905e
Add a new keyword 'inbounds' for use with getelementptr. See the
...
LangRef.html changes for details.
llvm-svn: 77259
2009-07-27 21:53:46 +00:00
e39f03351d
Fix typo.
...
llvm-svn: 77244
2009-07-27 20:37:10 +00:00
6154a01cee
Following discussion on llvm-dev ("proposed new rule for getelementptr"),
...
add a new "Pointer Aliasing Rules" section.
llvm-svn: 77216
2009-07-27 18:07:55 +00:00
6b8677015d
Update to new syntax.
...
llvm-svn: 77043
2009-07-25 02:23:48 +00:00
902dfff8b6
Rename the new unsigned and signed keywords to nuw and nsw,
...
which stand for no-unsigned-wrap and no-signed-wrap.
llvm-svn: 76810
2009-07-22 22:44:56 +00:00
71dfd782ce
Misc. doc fixes following suggestions from Eli.
...
llvm-svn: 76699
2009-07-22 00:04:19 +00:00
b07de44d5a
Documentation for the new non-overflow and exact keywords.
...
llvm-svn: 76495
2009-07-20 22:41:19 +00:00
58f9bb2ccd
implement a new magic global "llvm.compiler.used" which is like llvm.used, but
...
doesn't cause ".no_dead_strip" to be emitted on darwin.
llvm-svn: 76399
2009-07-20 06:14:25 +00:00
ae76db5edd
document llvm.used and llvm.metadata. Stub out llvm.global_[cd]tors
...
llvm-svn: 76396
2009-07-20 05:55:19 +00:00
8693ef8558
Rename the index to linkage types.
...
llvm-svn: 76394
2009-07-20 02:41:50 +00:00
3023511345
More reformatting.
...
llvm-svn: 76393
2009-07-20 02:39:26 +00:00
972b720cc1
Fix HTML violations.
...
llvm-svn: 76392
2009-07-20 02:32:41 +00:00
d9a66f73c8
Obsessivly reformat.
...
llvm-svn: 76391
2009-07-20 02:29:24 +00:00
a3c6f6bffa
Add plumbing for the `linker_private' linkage type. This type is meant for
...
"private" symbols which the assember shouldn't strip, but which the linker may
remove after evaluation. This is mostly useful for Objective-C metadata.
This is plumbing, so we don't have a use of it yet. More to come, etc.
llvm-svn: 76385
2009-07-20 01:03:30 +00:00
cb3f64f945
fix some typos pointed out by Hidenobu Seki
...
llvm-svn: 76342
2009-07-18 21:47:15 +00:00
fd8dea4c47
end sentence in period, draw attention to the fact that you should
...
only do this if you are a crazy russian hacker. ;-)
llvm-svn: 76241
2009-07-17 21:14:28 +00:00
c8ce7b08ba
Add support for naked functions
...
llvm-svn: 76198
2009-07-17 18:07:26 +00:00
7b9d6ebb9c
remove llvm.part.set.* and llvm.part.select.*. They have never been
...
implemented in codegen, have no frontend to generate them, and are
better implemented with pattern matching (like the ppc backend does
to generate rlwimi/rlwinm etc).
PR4543
llvm-svn: 75430
2009-07-12 21:08:53 +00:00
a21d3daadc
Remove the vicmp and vfcmp instructions. Because we never had a release with
...
these instructions, no autoupgrade or backwards compatibility support is
provided.
llvm-svn: 74991
2009-07-08 03:04:38 +00:00
2ae473f739
Clarify that if the alignment is zero then an alignment
...
compatible with the type will be used (at least the ABI
alignment).
llvm-svn: 73827
2009-06-20 13:26:06 +00:00
8bc032c97c
Remove the "llvm.umul.with.overflow is broken" warning; it should be
...
essentially working now, at least for common cases, and it shouldn't
silently generate bad code.
llvm-svn: 73484
2009-06-16 10:24:13 +00:00
405cf6c282
Rewrite the noredzone description, attempting to avoid confusing language.
...
llvm-svn: 73421
2009-06-15 21:18:01 +00:00
1b1b7e1fbd
Reword the description of the noredzone attribute.
...
llvm-svn: 73394
2009-06-15 17:37:09 +00:00
310fd4ad03
Document noredzone and noimplicitfloat function attributes.
...
llvm-svn: 73246
2009-06-12 19:45:19 +00:00
7921a59462
Document the stack alignment part of target data description.
...
llvm-svn: 73089
2009-06-08 22:17:53 +00:00
a5b9645c4b
Split the Add, Sub, and Mul instruction opcodes into separate
...
integer and floating-point opcodes, introducing
FAdd, FSub, and FMul.
For now, the AsmParser, BitcodeReader, and IRBuilder all preserve
backwards compatability, and the Core LLVM APIs preserve backwards
compatibility for IR producers. Most front-ends won't need to change
immediately.
This implements the first step of the plan outlined here:
http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt
llvm-svn: 72897
2009-06-04 22:49:04 +00:00
1a4eea5ad6
Document how phi and invoke instructions interact with SSA form.
...
llvm-svn: 72762
2009-06-03 10:20:10 +00:00
8e2c4f4716
Metadata uses metadata type not empty struct.
...
llvm-svn: 72623
2009-05-30 16:08:30 +00:00
adbc284666
Give embedded metadata its own type instead of relying on EmptyStructTy.
...
llvm-svn: 72610
2009-05-30 05:06:04 +00:00
aab930a5db
Remove border around table used for layout.
...
llvm-svn: 72357
2009-05-24 02:46:06 +00:00
9069d890e8
Add a note mentioning that uses of the return value of an invoke
...
must be dominated by the normal label.
llvm-svn: 72285
2009-05-22 21:47:08 +00:00
b8f9b7a965
Make MDNode use CallbackVH. Also change MDNode to store Value* instead of
...
Constant* in preperation of a future change to support holding non-Constants
in an MDNode.
llvm-svn: 71407
2009-05-10 20:57:05 +00:00
e648c28e73
fix typo
...
llvm-svn: 71362
2009-05-09 18:11:50 +00:00
9ee6a31bb8
Fix typo.
...
llvm-svn: 71260
2009-05-08 20:49:29 +00:00
1efabaaa2a
Allow readonly functions to unwind exceptions. Teach
...
the optimizers about this. For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.
llvm-svn: 71071
2009-05-06 06:49:50 +00:00
680ae74885
Remove obsolete wording, the only exception a readnone function can throw
...
is the empty set. :) Thanks to Fritz for pointing this out.
llvm-svn: 70790
2009-05-03 19:06:00 +00:00
f031421afe
be very explicit that readnone/readonly functions can't
...
throw exceptions.
llvm-svn: 70788
2009-05-03 18:49:37 +00:00
1f8555a07f
Now that any size of integer indices are allowed for sequential types, remove the unneccessary gyan about promoting them.
...
llvm-svn: 70181
2009-04-27 03:21:00 +00:00
8d319047c5
Any size of integral indices are allowed in gep for indexing into sequential types. Also adding a test case to check the indices type allowed into struct.
...
llvm-svn: 70134
2009-04-26 17:14:35 +00:00
0c155e6dbe
Fixed the gep example for i16 type indices.
...
llvm-svn: 70019
2009-04-25 07:27:44 +00:00
77abea0d6a
Fixed spaces and the getelementpointer example with i16 type indices.
...
llvm-svn: 69971
2009-04-24 16:38:13 +00:00
46c97e626f
Allow i16 type indices to gep.
...
llvm-svn: 69946
2009-04-24 02:37:54 +00:00
184f1be4a8
Add a new "available_externally" linkage type. This is intended
...
to support C99 inline, GNU extern inline, etc. Related bugzilla's
include PR3517, PR3100, & PR2933. Nothing uses this yet, but it
appears to work.
llvm-svn: 68940
2009-04-13 05:44:34 +00:00
49f891958f
Add support for embedded metadata to LLVM. This introduces two new types of
...
Constant, MDString and MDNode which can only be used by globals with a name
that starts with "llvm." or as arguments to a function with the same naming
restriction.
llvm-svn: 68420
2009-04-04 07:22:01 +00:00
b1656c1e1f
Add some explanations of how apint loads and stores
...
work.
llvm-svn: 67471
2009-03-22 11:33:16 +00:00
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
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
dd282825a8
Clarify wording, patch by Stefanus Du Toit!
...
llvm-svn: 66458
2009-03-09 20:55:18 +00:00
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
050ee8fb8d
Fix grammaro.
...
llvm-svn: 65727
2009-02-28 22:12:54 +00:00
361bfcd932
don't use the word 'aggregate' with constants, it is confusing.
...
llvm-svn: 65702
2009-02-28 18:32:25 +00:00
789dee38a5
don't redescribe bitcast constraints in two places. It is not valid to
...
bitcast from one aggregate to another.
llvm-svn: 65700
2009-02-28 18:27:03 +00:00
cd5b1443bb
Update this text for first-class aggregates.
...
llvm-svn: 65697
2009-02-28 17:30:06 +00:00
dac78d87cb
Demonstrate the act of including multiple space-separated parameter attributes,
...
by request on IRC.
llvm-svn: 64619
2009-02-15 23:06:14 +00:00
cd4a301a1a
Edit description of floating point constants to
...
reflect reality. Acknowledgements to John Clements
for prodding me into this.
llvm-svn: 64332
2009-02-11 22:14:51 +00:00
bf1d5458ad
fix typo, patch by Jonathan Brandmeyer!
...
llvm-svn: 64132
2009-02-09 10:00:56 +00:00
b9a7327006
Document llvm.umul.with.overflow indicating that it's badly broken and not intended for use.
...
llvm-svn: 64104
2009-02-08 23:00:09 +00:00
d1d4cffae9
I can't type today apparently.
...
llvm-svn: 64097
2009-02-08 22:21:28 +00:00
04c57c5bae
fix typo
...
llvm-svn: 64090
2009-02-08 19:59:51 +00:00
4a67c91d0b
document pointer type constraints, PR3513
...
llvm-svn: 64088
2009-02-08 19:53:29 +00:00
fd2bd720da
Fixes from feedback.
...
llvm-svn: 64070
2009-02-08 04:04:40 +00:00
f4d70628a3
Document the 'llvm.OP.with.overflow' intrinsics.
...
llvm-svn: 64066
2009-02-08 01:40:31 +00:00
08aa90643e
PR3485, document alignment on byref.
...
llvm-svn: 63836
2009-02-05 05:42:28 +00:00
5e66858152
validation error fix.
...
llvm-svn: 63503
2009-02-02 07:33:15 +00:00
cf7a584341
Document type upreferences (PR3380), patch by Stein Roger Skafløtten
...
with enhancements and corrections by me.
llvm-svn: 63502
2009-02-02 07:32:36 +00:00
142ccc0e15
Add more documentation mentioning the limitations due to PR2660.
...
llvm-svn: 62919
2009-01-24 15:58:40 +00:00
a5127abeec
Add a few more notes about LLVM IR features that codegen doesn't
...
yet support.
llvm-svn: 62739
2009-01-22 01:39:38 +00:00
35e43c12f1
Grammar fix.
...
llvm-svn: 62319
2009-01-16 09:29:46 +00:00
6de96a1b5d
Add the private linkage.
...
llvm-svn: 62279
2009-01-15 20:18:42 +00:00
3065b6169f
Document several current CodeGen limitations in LangRef.html.
...
Patches for any of these are welcome!
llvm-svn: 62120
2009-01-12 23:12:39 +00:00
33a9cef204
The LLVM Assembly Language Reference incorrectly stated that the
...
prefix used for dll{import,export} is _imp__; it is actually __imp_.
Patch by Mahadevan R!
llvm-svn: 62103
2009-01-12 21:35:55 +00:00
bc088218e6
Implement PR3313, and while I'm at it address a very FAQ.
...
llvm-svn: 62048
2009-01-11 20:53:49 +00:00
aaa679b270
Fix the example syntax for named sections.
...
llvm-svn: 62033
2009-01-11 00:40:00 +00:00
7a5acb5be5
A few more whitespace tidyments.
...
llvm-svn: 61655
2009-01-04 23:49:44 +00:00
623806eb2b
Tidy whitespace.
...
llvm-svn: 61653
2009-01-04 23:44:43 +00:00
8730c6d46c
new non-ambiguous syntax.
...
llvm-svn: 61559
2009-01-02 07:02:56 +00:00
2abb108f1b
Resubmit support for the 'nocapture' attribute.
...
The problematic part of this patch is that we were out of attribute bits,
requiring some fancy bit hacking to make it fit (by shrinking alignment)
without breaking existing users or the file format.
This change will require users to rebuild llvm-gcc to match llvm.
llvm-svn: 61239
2008-12-19 06:39:12 +00:00
a397baea88
Temporarily revert r61019, r61030, and r61040. These were breaking LLVM Release
...
builds.
llvm-svn: 61094
2008-12-16 19:06:48 +00:00
ddffe620e4
Introducing nocapture, a parameter attribute for pointers to indicate that the
...
callee will not introduce any new aliases of that pointer.
The attributes had all bits allocated already, so I decided to collapse
alignment. Alignment was previously stored as a 16-bit integer from bits 16 to
32 of the attribute, but it was required to be a power of 2. Now it's stored in
log2 encoded form in five bits from 16 to 21. That gives us 11 more bits of
space.
You may have already noticed that you only need four bits to encode a 16-bit
power of two, so why five bits? Because the AsmParser accepted 32-bit
alignments, even though we couldn't store them (they were silently discarded).
Now we can store them in memory, but not in the bitcode.
The bitcode format was already storing these as 64-bit VBR integers. So, the
bitcode format stays the same, keeping the alignment values stored as 16 bit
raw values. There's some hideous code in the reader and writer that deals with
this, waiting to be ripped out the moment we run out of bits again and have to
replace the parameter attributes table encoding.
llvm-svn: 61019
2008-12-15 01:34:58 +00:00
86242e1990
Global replace of yellow W3C "valid HTML/CSS" icons with blue ones.
...
llvm-svn: 60880
2008-12-11 17:34:48 +00:00
68d4eee062
Added a little more information that vector shifts require vector shift amount.
...
llvm-svn: 60831
2008-12-10 08:55:09 +00:00
4dd832d241
Fix getNode to allow a vector for the shift amount for shifts of vectors.
...
Fix the shift amount when unrolling a vector shift into scalar shifts.
Fix problem in getShuffleScalarElt where it assumes that the input of
a bit convert must be a vector.
llvm-svn: 60740
2008-12-09 05:46:39 +00:00
c9813bda47
Fixed HTML closing tag, cleaned up some spacing.
...
llvm-svn: 60153
2008-11-27 06:41:20 +00:00
6e41adddab
Small formatting change.
...
llvm-svn: 60113
2008-11-26 19:19:05 +00:00
0f5541e4cf
Update to explain how ssp and sspreq attributes override each other.
...
llvm-svn: 60112
2008-11-26 19:07:40 +00:00
Dan Gohman