Chris Lattner
48a109c36c
describe undef semantics in some more detail.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-07 22:52:39 +00:00
Dan Gohman
fdfca79de0
Fix the syntax of add/sub/mul nsw/nuw and sdiv exact.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80805 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-02 17:31:42 +00:00
Dale Johannesen
de86d473fc
Add an 'inline hint' attribute to represent source
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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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80063 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26 01:08:21 +00:00
Chris Lattner
e1eaf916f0
improve documentation for linker_private linkage.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79893 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-24 04:32:16 +00:00
Dan Gohman
b255b88f06
Clarify a few things in the inbounds description.
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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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79538 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-20 17:08:17 +00:00
Chris Lattner
cd81f5df27
common globals may also not be marked constant.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78169 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05 05:41:44 +00:00
Chris Lattner
26d054d903
Clarify common linkage and the requirements on it. Enforce
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them in the verifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78160 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05 05:21:07 +00:00
Dan Gohman
0a28d18cd4
Add one-past-the-end language to the inbounds keyword.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77460 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 16:00:30 +00:00
Chris Lattner
c8eef440f6
some wording changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77443 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 06:44:13 +00:00
Andreas Bolka
55e459aa75
Fix a few typos and add links.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77403 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 00:02:05 +00:00
Dan Gohman
dd8004dc73
Add a new keyword 'inbounds' for use with getelementptr. See the
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LangRef.html changes for details.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 21:53:46 +00:00
Andreas Bolka
99a8205ae3
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77244 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 20:37:10 +00:00
Dan Gohman
556ca272fb
Following discussion on llvm-dev ("proposed new rule for getelementptr"),
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add a new "Pointer Aliasing Rules" section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77216 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 18:07:55 +00:00
Dan Gohman
4df605ba46
Update to new syntax.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77043 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 02:23:48 +00:00
Dan Gohman
08d012eba4
Rename the new unsigned and signed keywords to nuw and nsw,
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which stand for no-unsigned-wrap and no-signed-wrap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76810 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 22:44:56 +00:00
Dan Gohman
9c5beed5f5
Misc. doc fixes following suggestions from Eli.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76699 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 00:04:19 +00:00
Dan Gohman
cbb38f2f67
Documentation for the new non-overflow and exact keywords.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 22:41:19 +00:00
Chris Lattner
401e10c4fb
implement a new magic global "llvm.compiler.used" which is like llvm.used, but
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doesn't cause ".no_dead_strip" to be emitted on darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76399 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 06:14:25 +00:00
Chris Lattner
857755c2a5
document llvm.used and llvm.metadata. Stub out llvm.global_[cd]tors
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 05:55:19 +00:00
Bill Wendling
987e7eb59c
Rename the index to linkage types.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76394 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 02:41:50 +00:00
Bill Wendling
c39e3e0abc
More reformatting.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76393 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 02:39:26 +00:00
Bill Wendling
d9fe298ccb
Fix HTML violations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76392 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 02:32:41 +00:00
Bill Wendling
e910b4cefe
Obsessivly reformat.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76391 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 02:29:24 +00:00
Bill Wendling
3d10a5a757
Add plumbing for the `linker_private' linkage type. This type is meant for
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"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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 01:03:30 +00:00
Chris Lattner
8ad2f98739
fix some typos pointed out by Hidenobu Seki
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76342 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 21:47:15 +00:00
Chris Lattner
0c542ff13f
end sentence in period, draw attention to the fact that you should
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only do this if you are a crazy russian hacker. ;-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76241 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 21:14:28 +00:00
Anton Korobeynikov
c5ec8a78ea
Add support for naked functions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76198 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 18:07:26 +00:00
Chris Lattner
eaff524670
remove llvm.part.set.* and llvm.part.select.*. They have never been
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75430 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-12 21:08:53 +00:00
Nick Lewycky
7f6aa2b162
Remove the vicmp and vfcmp instructions. Because we never had a release with
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these instructions, no autoupgrade or backwards compatibility support is
provided.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74991 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-08 03:04:38 +00:00
Duncan Sands
434ca80b31
Clarify that if the alignment is zero then an alignment
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compatible with the type will be used (at least the ABI
alignment).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73827 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-20 13:26:06 +00:00
Eli Friedman
7ed5d56541
Remove the "llvm.umul.with.overflow is broken" warning; it should be
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essentially working now, at least for common cases, and it shouldn't
silently generate bad code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73484 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-16 10:24:13 +00:00
Dan Gohman
125473b84c
Rewrite the noredzone description, attempting to avoid confusing language.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73421 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-15 21:18:01 +00:00
Dan Gohman
2185f9e1eb
Reword the description of the noredzone attribute.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73394 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-15 17:37:09 +00:00
Devang Patel
5d96fdac41
Document noredzone and noimplicitfloat function attributes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73246 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12 19:45:19 +00:00
Daniel Dunbar
87bde0b7d3
Document the stack alignment part of target data description.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73089 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08 22:17:53 +00:00
Dan Gohman
ae3a0be92e
Split the Add, Sub, and Mul instruction opcodes into separate
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72897 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-04 22:49:04 +00:00
Jay Foad
d244909b76
Document how phi and invoke instructions interact with SSA form.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72762 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-03 10:20:10 +00:00
Nick Lewycky
1e8c7a687d
Metadata uses metadata type not empty struct.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72623 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30 16:08:30 +00:00
Nick Lewycky
7a0370f66a
Give embedded metadata its own type instead of relying on EmptyStructTy.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72610 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30 05:06:04 +00:00
Nick Lewycky
86c48647f3
Remove border around table used for layout.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-24 02:46:06 +00:00
Dan Gohman
f96a499535
Add a note mentioning that uses of the return value of an invoke
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must be dominated by the normal label.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22 21:47:08 +00:00
Nick Lewycky
cb33799b9f
Make MDNode use CallbackVH. Also change MDNode to store Value* instead of
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Constant* in preperation of a future change to support holding non-Constants
in an MDNode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71407 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-10 20:57:05 +00:00
Chris Lattner
60150a3dc4
fix typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09 18:11:50 +00:00
Bill Wendling
871eb0ab23
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71260 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08 20:49:29 +00:00
Duncan Sands
7af1c78b98
Allow readonly functions to unwind exceptions. Teach
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the optimizers about this. For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06 06:49:50 +00:00
Chris Lattner
bdd73290a5
Remove obsolete wording, the only exception a readnone function can throw
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is the empty set. :) Thanks to Fritz for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70790 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03 19:06:00 +00:00
Chris Lattner
7a57c5bb08
be very explicit that readnone/readonly functions can't
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throw exceptions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70788 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03 18:49:37 +00:00
Sanjiv Gupta
23c70f44e4
Now that any size of integer indices are allowed for sequential types, remove the unneccessary gyan about promoting them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70181 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27 03:21:00 +00:00
Sanjiv Gupta
9341c808ae
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.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70134 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26 17:14:35 +00:00
Sanjiv Gupta
9f805c206e
Fixed the gep example for i16 type indices.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70019 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25 07:27:44 +00:00