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175 Commits

Author SHA1 Message Date
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
Chris Lattner
c4c57e4369 Add a new EmitRecordWithBlob API that allows a blob to be emitted 
without converting each byte to a uint64_t to stick in a SmallVector.

llvm-svn: 68469
 2009-04-06 22:26:26 +00:00
Chris Lattner
ac7e143979 add a new Blob encoding abbreviation for bitcode files that emits 
elements in a form that is efficient for the reader to just get a
pointer in memory and start reading.  APIs to do efficient reading
and writing are still todo.

llvm-svn: 68465
 2009-04-06 21:50:39 +00:00
Chris Lattner
c67eb55ed2 split ReadAbbreviatedLiteral out of ReadAbbreviatedField. 
llvm-svn: 68463
 2009-04-06 21:37:10 +00:00
Chris Lattner
44a17471be reduce indentation with early-out 
llvm-svn: 68462
 2009-04-06 21:34:58 +00:00
Chris Lattner
5a3ece0cff simplify code a bit. 
llvm-svn: 68461
 2009-04-06 21:20:01 +00:00
Chris Lattner
07fdd28798 simplify to reduce indentation. 
llvm-svn: 68460
 2009-04-06 21:12:29 +00:00
Chris Lattner
7e2c9be68e Teach llvm-bcanalyzer to skip over the header we use on LLVM IR files. 
llvm-svn: 68458
 2009-04-06 20:54:32 +00:00
Nick Lewycky
eea5412e19 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
Dan Gohman
770f4158e5 Use CHAR_BIT instead of hard-coding 8 in several places where it 
is appropriate. This helps visually differentiate host-oriented
calculations from target-oriented calculations.

llvm-svn: 68227
 2009-04-01 18:45:54 +00:00
Misha Brukman
5cfd666bde Removed trailing whitespace. 
llvm-svn: 65199
 2009-02-20 23:04:06 +00:00
Nate Begeman
8b548c0a9e Add suppport for ConstantExprs of shufflevectors whose result type is not equal to the 
type of the vectors being shuffled.

llvm-svn: 64401
 2009-02-12 21:28:33 +00:00
Chris Lattner
7819d9c8be Add support for writing LLVM IR to a specified BitstreamWriter. 
Patch by Lukasz Janyst!

llvm-svn: 61251
 2008-12-19 18:37:59 +00:00
Daniel Dunbar
287cf9f1f7 Add raw_ostream versions of WriteBitcodeToFile and BitcodeWriterPass. 
- The old versions are still hanging around, but should be migrated
   away from.

llvm-svn: 57989
 2008-10-22 17:39:14 +00:00
Zhongxing Xu
b187adcf5a Fix a calculation error in comments. 
llvm-svn: 57619
 2008-10-16 01:21:44 +00:00
Devang Patel
64dd7a2e89 Large mechanical patch. 
s/ParamAttr/Attribute/g
s/PAList/AttrList/g
s/FnAttributeWithIndex/AttributeWithIndex/g
s/FnAttr/Attribute/g

This sets the stage 
- to implement function notes as function attributes and 
- to distinguish between function attributes and return value attributes.

This requires corresponding changes in llvm-gcc and clang.

llvm-svn: 56622
 2008-09-25 21:00:45 +00:00
Dan Gohman
c325e16787 Update the comment to reflect the new name. 
llvm-svn: 56496
 2008-09-23 18:27:53 +00:00
Dan Gohman
54ef20348e Re-enables the new vector select in the bitcode reader, by modifying the 
bitcode reader/writer as follows:

- add and use new bitcode FUNC_CODE_INST_VSELECT to handle the llvm
select opcode using either i1 or [N x i1] as the selector.
- retain old BITCODE FUNC_CODE_INST_SELECT in the bitcode reader to
handle select on i1 for backwards compatibility with existing bitcode
files.
- re-enable the vector-select.ll test program.

Also, rename the recently added bitcode opcode FUNC_CODE_INST_VCMP to
FUNC_CODE_INST_CMP2 and make the bitcode writer use it to handle
fcmp/icmp on scalars or vectors. In the bitcode writer, use
FUNC_CODE_INST_CMP for vfcmp/vicmp only. In the bitcode reader, have
FUNC_CODE_INST_CMP handle icmp/fcmp returning bool, for backwards
compatibility with existing bitcode files.

Patch by Preston Gurd!

llvm-svn: 56233
 2008-09-16 01:01:33 +00:00
Dan Gohman
3e79d697f3 Extend the vcmp/fcmp LLVM IR instructions to take vectors as arguments 
and, if so, to return a vector of boolean as a result;

Extend the select LLVM IR instruction to allow you to specify a result
type which is a vector of boolean, in which case the result will be an
element-wise selection instead of choosing one vector or the other; and

Update LangRef.html to describe these changes.

This patch was contributed by Preston Gurd!

llvm-svn: 55969
 2008-09-09 01:02:47 +00:00