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ecf276b787
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193 Commits

Author SHA1 Message Date
Chris Lattner
ecf276b787 remove unions from LLVM IR. They are severely buggy and not 
being actively maintained, improved, or extended.

llvm-svn: 112356
 2010-08-28 04:09:24 +00:00
Chris Lattner
25446ccf9f don't emit zero bit fields with Emit, fixing undefined behavior, 
PR7778

llvm-svn: 111336
 2010-08-18 00:29:18 +00:00
Dan Gohman
d13e45d0ec Don't special-case stdout in llvm::WriteBitcodeToFile; just consider 
it to be the caller's responsibility to provide a stream in binary
mode. This fixes a layering violation and avoids an outs() call.

llvm-svn: 104878
 2010-05-27 20:06:51 +00:00
Benjamin Kramer
96b4f6c003 Don't write into MemoryBuffers. 
llvm-svn: 101783
 2010-04-19 16:15:31 +00:00
Chris Lattner
c2f273b52d Add special case bitcode support for DebugLoc. This avoids 
having the bitcode writer materialize mdnodes for all the
debug location tuples when writing out the bc file and 
stores the information in a more compact form.  For example,
the -O0 -g bc file for combine.c in 176.gcc shrinks from
739392 to 512096 bytes.

This concludes my planned short-term debug info work.

llvm-svn: 100261
 2010-04-03 02:17:50 +00:00
Chris Lattner
2265d6280b Add support for a union type in LLVM IR. Patch by Talin! 
llvm-svn: 96011
 2010-02-12 20:49:41 +00:00
Dan Gohman
92b6122204 Fix "the the" and similar typos. 
llvm-svn: 95781
 2010-02-10 16:03:48 +00:00
Jeffrey Yasskin
fb10587e50 Kill ModuleProvider and ghost linkage by inverting the relationship between 
Modules and ModuleProviders. Because the "ModuleProvider" simply materializes
GlobalValues now, and doesn't provide modules, it's renamed to
"GVMaterializer". Code that used to need a ModuleProvider to materialize
Functions can now materialize the Functions directly. Functions no longer use a
magic linkage to record that they're materializable; they simply ask the
GVMaterializer.

Because the C ABI must never change, we can't remove LLVMModuleProviderRef or
the functions that refer to it. Instead, because Module now exposes the same
functionality ModuleProvider used to, we store a Module* in any
LLVMModuleProviderRef and translate in the wrapper methods.  The bindings to
other languages still use the ModuleProvider concept.  It would probably be
worth some time to update them to follow the C++ more closely, but I don't
intend to do it.

Fixes http://llvm.org/PR5737 and http://llvm.org/PR5735.

llvm-svn: 94686
 2010-01-27 20:34:15 +00:00
Victor Hernandez
f4272b50d6 Compute isFunctionLocal in MDNode ctor or via argument in new function getWhenValsUnresolved(). 
Document PFS argument to ParseValID() and ConvertGlobalOrMetadataValIDToValue().

llvm-svn: 93108
 2010-01-10 07:14:18 +00:00
Ted Kremenek
73df1b5d05 Remove old header. 
llvm-svn: 92378
 2010-01-01 00:04:49 +00:00
Ted Kremenek
15f320fa10 Remove derelict serialization code. 
llvm-svn: 92374
 2009-12-31 23:40:17 +00:00
Chris Lattner
587962c667 Remove isPod() from DenseMapInfo, splitting it out to its own 
isPodLike type trait.  This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.

llvm-svn: 91421
 2009-12-15 07:26:43 +00:00
Daniel Dunbar
4daaf9d3f4 Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Chris Lattner
075e225442 bitcode writer support for blockaddress. 
llvm-svn: 85376
 2009-10-28 05:24:40 +00:00
Chris Lattner
2bc8002f4c rename indbr -> indirectbr to appease the residents of #llvm. 
llvm-svn: 85351
 2009-10-28 00:19:10 +00:00
Chris Lattner
665b9e2a3c Random updates to passes for indbr, I need blockaddress before I can do much more. 
llvm-svn: 85316
 2009-10-27 21:27:42 +00:00
Chris Lattner
fdda543cea 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
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Devang Patel
c195f74dee Write and read metadata attachments. 
llvm-svn: 82259
 2009-09-18 19:26:43 +00:00
Dan Gohman
6166bac383 Add const qualifiers for isBitcodeWrapper, and add new functions 
isRawBitcode and isBitcode to allow clients to test whether a given
memory buffer holds a bitcode image.

llvm-svn: 80804
 2009-09-02 17:21:29 +00:00
Gabor Greif
cc8681cea3 Clean up the minor mess I caused with removing iterator.h. I shall take care of 80-col violations and the FIXME later. (Thanks goodness that I live in another continent, so the monkeypox did not strike me :-) 
llvm-svn: 80224
 2009-08-27 06:41:46 +00:00
Daniel Dunbar
b98f0e9942 Add StringRef based APIs to BitstreamWriter. 
llvm-svn: 79904
 2009-08-24 09:29:31 +00:00
Chris Lattner
0c7ea3d3cc remove the last *stream> #include from a public header. 
llvm-svn: 79892
 2009-08-24 04:14:03 +00:00
Chris Lattner
b0478019b4 eliminate the std::ostream forms of the bitcode writing APIs. 
llvm-svn: 79840
 2009-08-23 07:49:08 +00:00
Dan Gohman
6ec8176e22 Rename hasNoUnsignedOverflow and hasNoSignedOverflow to hasNoUnsignedWrap 
and hasNoSignedWrap, for consistency with the nuw and nsw properties.

llvm-svn: 79539
 2009-08-20 17:11:38 +00:00
Benjamin Kramer
9a590500ea Make LLVMContext and LLVMContextImpl classes instead of structs. 
llvm-svn: 78690
 2009-08-11 17:45:13 +00:00
Owen Anderson
cf2c39dc30 Factor some of the constants+context related code out into a separate header, to make LLVMContextImpl.h 
not hideous.  Also, fix some MSVC compile errors.

llvm-svn: 78115
 2009-08-04 22:41:48 +00:00
Devang Patel
d5b7c64109 Read and write NamedMDNode. 
llvm-svn: 77517
 2009-07-29 22:34:41 +00:00
Dan Gohman
490eb36e1d 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
Devang Patel
6b2162686a Derive MDNode from MetadataBase instead of Constant. Emit MDNodes into METADATA_BLOCK in bitcode file. 
llvm-svn: 76834
 2009-07-23 01:07:34 +00:00
Devang Patel
5794cb80ad Introduce MetadataBase, a base class for MDString and MDNode. 
Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.

llvm-svn: 76759
 2009-07-22 17:43:22 +00:00
Dan Gohman
d2ad3e183b Assembly and Bitcode support for unsigned/signed overflow flags and 
exact sdiv flags.

llvm-svn: 76475
 2009-07-20 21:19:07 +00:00
Nick Lewycky
d46a7b2d22 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
Chris Lattner
2bbbcbca79 fix some type confusion in ReadVBR64: "Piece" should be only 32 bits, 
not 64, because we read at most 32 bits at a time.  OTOH, "Result" must
be 64-bits and insertion into it must be 64-bit clean.  Thanks to Ivan
Sorokin for bringing this up.

llvm-svn: 74932
 2009-07-07 18:39:49 +00:00
Owen Anderson
4fa7e54329 Make the use of const with respect to LLVMContext sane. Hopefully this is the last time, for the 
moment, that I will need to make far-reaching changes.

llvm-svn: 74655
 2009-07-01 23:13:44 +00:00
Owen Anderson
cf112e59c3 Hold the LLVMContext by reference rather than by pointer. 
llvm-svn: 74640
 2009-07-01 21:22:36 +00:00
Owen Anderson
81b8dabb53 Add a pointer to the owning LLVMContext to Module. This requires threading LLVMContext through a lot 
of the bitcode reader and ASM parser APIs, as well as supporting it in all of the tools.

Patches for Clang and LLVM-GCC to follow.

llvm-svn: 74614
 2009-07-01 16:58:40 +00:00
Sebastian Redl
51473d2434 Fix three MSVC 2008 warnings that completely clutter the build output. 
llvm-svn: 74430
 2009-06-29 17:12:06 +00:00
Nick Lewycky
a9de2f1c81 Give embedded metadata its own type instead of relying on EmptyStructTy. 
llvm-svn: 72610
 2009-05-30 05:06:04 +00:00
Chris Lattner
c8838e7b00 give bitstreamreader an API to ignore names for blocks/records, 
only llvm-bcanalyzer wants this info.

llvm-svn: 70239
 2009-04-27 20:04:08 +00:00
Chris Lattner
f84ee5d944 Add two new record types to the blockinfo block: 
BLOCKNAME and SETRECORDNAME.  This allows a bitcode
file to be self describing with pretty names for 
records and blocks in addition to numbers.  This
enhances llvm-bcanalyzer to use this to print prettily.

llvm-svn: 70165
 2009-04-26 22:21:57 +00:00
Chris Lattner
eae2abdfa3 make BitstreamCursor's copyable and assignable. 
llvm-svn: 70159
 2009-04-26 21:07:02 +00:00
Chris Lattner
a43dcba929 Make a major API change to BitstreamReader: split all the reading 
state out of the BitstreamReader class into a BitstreamCursor class.
Doing this allows the client to have multiple cursors into the same
file, each with potentially different live block stacks and
abbreviation records.

llvm-svn: 70157
 2009-04-26 20:59:02 +00:00
Douglas Gregor
8965c485d7 Allow jumping to the end of a bitstream while reading 
llvm-svn: 69145
 2009-04-15 04:53:47 +00:00
Douglas Gregor
1c83e8d3ec Fix BitstreamReader's GetCurrentBitNo to return the correct bit number, and stop JumpToBit from covering up its mistakes 
llvm-svn: 68648
 2009-04-08 22:26:47 +00:00
Douglas Gregor
936c1fd9eb Use 8 instead of CHAR_BIT 
llvm-svn: 68616
 2009-04-08 16:57:40 +00:00
Douglas Gregor
e093e2a759 Add BitstreamWriter::GetCurrentBitNo, to report where we are in the output bitstream 
llvm-svn: 68610
 2009-04-08 15:18:21 +00:00
Chris Lattner
ce9fec457b fix comment to reflect the implementation I ended up settling on. 
Thanks to Duncan for noticing this

llvm-svn: 68518
 2009-04-07 16:30:31 +00:00
Chris Lattner
12dadd5a5e Add an API for the bitstream reader to read blobs and return 
them by reference, instead of packing each byte into a
smallvector.

llvm-svn: 68486
 2009-04-07 02:56:46 +00:00
Chris Lattner
bd885be4b0 allow clients to look up abbrev id's 
llvm-svn: 68471
 2009-04-06 22:43:46 +00:00