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75 Commits

Author SHA1 Message Date
Chris Lattner f543eff71c rearrange some methods, no functionality change. 
llvm-svn: 92219
 2009-12-28 09:12:35 +00:00
Chris Lattner d944cf76de avoid temporary CallbackVH's. 
llvm-svn: 92218
 2009-12-28 09:10:16 +00:00
Chris Lattner 588096e51d Rewrite the function-local validation logic for MDNodes (most of r91708). 
Among other benefits, this doesn't leak the SmallPtrSet, has the verifier
code in the verifier pass, actually does the verification at the end,
and is considerably simpler.

llvm-svn: 92217
 2009-12-28 09:07:21 +00:00
Chris Lattner 66a4c3d084 rename MDNode instance variables to something meaningful. 
llvm-svn: 92216
 2009-12-28 08:48:12 +00:00
Chris Lattner 5a409bd17a snip one more #include from Metadata.h 
llvm-svn: 92214
 2009-12-28 08:30:43 +00:00
Chris Lattner 1300f45ba9 prune some #includes 
llvm-svn: 92212
 2009-12-28 08:24:16 +00:00
Chris Lattner 53bb5e4ae0 change the strange MetadataContext::getMDs function to expose less 
irrelevant internal implementation details to clients.

llvm-svn: 92210
 2009-12-28 08:14:54 +00:00
Chris Lattner 1bc810bb89 change NamedMDNode to use a pimpl for its operand list instead 
of making it a declared part of the value.

llvm-svn: 92209
 2009-12-28 08:07:14 +00:00
Chris Lattner 74a6ad6f29 move ElementVH out of the MDNode class into the MDNode.cpp file. Among 
other things, this avoids vtable and rtti data for it being splatted in 
every translation unit that uses it.

llvm-svn: 92207
 2009-12-28 07:41:54 +00:00
Eli Friedman 3a7cdaca33 Fix gcc warning. 
llvm-svn: 91715
 2009-12-18 21:07:18 +00:00
Victor Hernandez 0471abd58b Formalize MDNode's function-localness: 
- an MDNode is designated as function-local when created, and continues to be even if its operands are modified not to refer to function-local IR
- function-localness is designated via lowest bit in SubclassData
- getLocalFunction() descends MDNode tree to see if it is consistently function-local

Add verification of MDNodes to checks that MDNodes are consistently function-local.
Update AsmWriter to use isFunctionLocal().

llvm-svn: 91708
 2009-12-18 20:09:14 +00:00
Victor Hernandez 2003b90807 Use different name for argument and field 
llvm-svn: 91524
 2009-12-16 08:10:57 +00:00
Victor Hernandez dd7418ae3f MDNodes that refer to an instruction are local to a function; in that case, explicitly keep track of the function they are local to 
llvm-svn: 91497
 2009-12-16 02:52:09 +00:00
Nick Lewycky 6e0525141f Oops! Fix bug introduced in my recent cleanup change. Thanks to Tobias Grosser 
for pointing this out.

llvm-svn: 90015
 2009-11-27 19:57:53 +00:00
Nick Lewycky a75fe185ba Fix typo spotted by Gabor Greif. 
llvm-svn: 89976
 2009-11-26 23:19:05 +00:00
Nick Lewycky 898e8f756a Clean up file, no functionality change. 
llvm-svn: 89974
 2009-11-26 22:54:26 +00:00
Devang Patel 862ef782de Do not use StringRef in DebugInfo interface. 
This allows StringRef to skip controversial if(str) check in constructor.
Buildbots, wait for corresponding clang and llvm-gcc FE check-ins!

llvm-svn: 86914
 2009-11-12 00:50:58 +00:00
Jeffrey Yasskin b40d3f76a0 Fix DenseMap iterator constness. 
This patch forbids implicit conversion of DenseMap::const_iterator to
DenseMap::iterator which was possible because DenseMapIterator inherited
(publicly) from DenseMapConstIterator. Conversion the other way around is now
allowed as one may expect.

The template DenseMapConstIterator is removed and the template parameter
IsConst which specifies whether the iterator is constant is added to
DenseMapIterator.

Actually IsConst parameter is not necessary since the constness can be
determined from KeyT but this is not relevant to the fix and can be addressed
later.

Patch by Victor Zverovich!

llvm-svn: 86636
 2009-11-10 01:02:17 +00:00
Devang Patel d6dd2a0840 Do not use expensive sort(). 
llvm-svn: 85130
 2009-10-26 17:09:00 +00:00
Devang Patel 1155fdf6dc Hide MetadataContext implementation details. 
llvm-svn: 84886
 2009-10-22 19:36:54 +00:00
Devang Patel 6da5dbf3c2 Fix getMDs() interface such that it does not expose implementation details. 
llvm-svn: 84885
 2009-10-22 18:55:16 +00:00
Devang Patel 084679e70a Using TrackingVH instead of WeakVH or WeakMetadataVH. 
llvm-svn: 84884
 2009-10-22 18:25:28 +00:00
Devang Patel 09c319e269 Sort handler names to ensure deterministic behavior. 
llvm-svn: 84878
 2009-10-22 17:40:37 +00:00
Devang Patel 0fffb49d56 Fix getHandlerNames() interface. Now it populate clinet supplied small vector with handler names. 
llvm-svn: 84820
 2009-10-22 01:01:24 +00:00
Devang Patel 6746d43a3f Use StringRef to construct MDString. 
llvm-svn: 84811
 2009-10-22 00:22:05 +00:00
Devang Patel dcb99d310a Remove meaningless const. 
Pass StringRef by value.

llvm-svn: 84804
 2009-10-22 00:10:15 +00:00
Devang Patel 27e0be274e Derive metadata hierarchy from Value instead of User. 
llvm-svn: 84801
 2009-10-21 23:57:35 +00:00
Benjamin Kramer 8b051b8240 Fix thinko noticed by Chris. 
llvm-svn: 84797
 2009-10-21 23:29:32 +00:00
Benjamin Kramer 22146fbc5f Remove pointless return; at end of function. 
llvm-svn: 84794
 2009-10-21 23:27:54 +00:00
Benjamin Kramer b378347796 Simplify code. No intended functionality change. 
llvm-svn: 84790
 2009-10-21 22:55:51 +00:00
Devang Patel 2505c1e17a Use StringRef. 
llvm-svn: 84786
 2009-10-21 21:57:13 +00:00
Devang Patel 49914e6eb3 Do not use SmallVector to store MDNode elements. 
llvm-svn: 84784
 2009-10-21 21:25:09 +00:00
Devang Patel 3eb5d33b65 Incorporate various suggestions Chris gave during metadata review. 
- i < getNumElements()  instead of getNumElements() > i
- Make setParent() private
- Fix use of resizeOperands
- Reset HasMetadata bit after removing all metadata attached to an instruction
- Efficient use of iterators

llvm-svn: 84765
 2009-10-21 17:33:41 +00:00
Devang Patel 0c35dbdf03 Cosmetic changes. 
s/validName/isValidName/g
s/with an Instruction/to an Instruction/g
s/RegisterMDKind/registerMDKind/g

llvm-svn: 84689
 2009-10-20 22:50:27 +00:00
Owen Anderson 5dab84ca9c Banish ConstantsLock. It's serving no purpose other than slowing things down 
at the moment.

llvm-svn: 84529
 2009-10-19 20:11:52 +00:00
Chris Lattner b0c23e81e7 various cleanups. 
llvm-svn: 84471
 2009-10-19 07:10:59 +00:00
Devang Patel ebaa76ed0d Add copyMD to copy metadata from one instruction to another instruction. 
llvm-svn: 84113
 2009-10-14 17:02:49 +00:00
Devang Patel e6f26a7415 Copy metadata when value is RAUW'd. It is debatable whether this is the right approach for custom metadata data in general. However, right now the only custom data user, "dbg", expects this behavior while FE is constructing llvm IR with debug info. 
llvm-svn: 83977
 2009-10-13 17:00:54 +00:00
Devang Patel 7b4d52b170 Lookup handler name only when assertions are enabled. 
llvm-svn: 83114
 2009-09-29 22:05:52 +00:00
Devang Patel b4034364d6 Add removeMD(). 
llvm-svn: 83107
 2009-09-29 20:42:25 +00:00
Devang Patel 5bf7a49fd7 Only one custom meadata of each kind can be attached with an instruction. 
llvm-svn: 83105
 2009-09-29 20:30:57 +00:00
Devang Patel 561977940c Use assertion instead of early exit to catch malformed custom metadata store. 
llvm-svn: 83102
 2009-09-29 20:01:19 +00:00
Devang Patel ba4a6fdd17 Parse custom metadata attached with an instruction. 
llvm-svn: 83033
 2009-09-29 00:01:14 +00:00
Devang Patel 2d85eef974 s/class Metadata/class MetadataContext/g 
llvm-svn: 83019
 2009-09-28 21:41:20 +00:00
Devang Patel b1a4477f1f Do not use global typedef for MDKindID. 
llvm-svn: 83016
 2009-09-28 21:14:55 +00:00
Devang Patel add586526e Do not leave behind metadata while cloning an instruction. 
llvm-svn: 82638
 2009-09-23 18:32:25 +00:00
Devang Patel af206b8c88 Write and read metadata attachments. 
llvm-svn: 82259
 2009-09-18 19:26:43 +00:00
Devang Patel dec23fd825 Print debug info attached with an instruction. 
llvm-svn: 82075
 2009-09-16 20:21:17 +00:00
Devang Patel d5497a4bf8 Add llvm::Metadata to manage metadata used in a context. 
This interface will be used to attach metadata with an instruction.

llvm-svn: 82060
 2009-09-16 18:09:00 +00:00
Devang Patel cbde073d8c Take lock before removing a node from MDNodeSet. 
llvm-svn: 81356
 2009-09-09 17:44:26 +00:00