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230 Commits

Author SHA1 Message Date
Devang Patel
fdca552823 Use named MDNode, llvm.dbg.sp, to collect subprogram info. This will be used to emit local variable's debug info of deleted functions. 
llvm-svn: 106989
 2010-06-28 05:53:08 +00:00
Devang Patel
858a0f3664 Do not forget last element, function, while creating Subprogram definition MDNode from subprogram declare MDNode. 
llvm-svn: 106985
 2010-06-27 21:04:31 +00:00
Devang Patel
f50b6147ad Use single interface, using twine, to get named metadata. 
getNamedMetadata().

llvm-svn: 106518
 2010-06-22 01:19:38 +00:00
Devang Patel
dee41b010a Do not rely on Twine temporaries to survive. 
llvm-svn: 106515
 2010-06-22 01:01:58 +00:00
Devang Patel
3dbb143c29 Do not directly use function names to construct new name for named metadata. 
"llvm.dbg.lv.~A" is not a valid name.

llvm-svn: 106438
 2010-06-21 18:36:58 +00:00
Devang Patel
108d77796f Check function pointer first, before comparing function names. 
llvm-svn: 106088
 2010-06-16 06:42:02 +00:00
Devang Patel
3282324020 Use separate named MDNode to hold each function's local variable info. 
This speeds up local variable handling in DwarfDebug.

llvm-svn: 106075
 2010-06-16 00:53:55 +00:00
Stuart Hastings
f9ef9ff3d6 Support for nested functions/classes in debug output. (Again.) Radar 7424645. 
llvm-svn: 105828
 2010-06-11 20:08:44 +00:00
Stuart Hastings
7b15c202c7 Delete duplicate function. 
llvm-svn: 105827
 2010-06-11 20:05:01 +00:00
Stuart Hastings
37ed2a9663 Revert 105492 & 105493 due to a testcase regression. Radar 7424645. 
llvm-svn: 105511
 2010-06-05 00:39:29 +00:00
Stuart Hastings
eb78f8db98 Support for nested functions/classes in debug output. Radar 7424645. 
llvm-svn: 105492
 2010-06-04 22:36:03 +00:00
Stuart Hastings
369d3391d8 Revert 104841, 104842, 104876 due to buildbot failures. Radar 7424645. 
llvm-svn: 104953
 2010-05-28 16:41:07 +00:00
Stuart Hastings
60d799e343 Support for nested functions/classes in debug output. Radar 7424645. 
llvm-svn: 104841
 2010-05-27 16:16:54 +00:00
Devang Patel
3d4cd812aa Rename variable. add comment. 
llvm-svn: 104274
 2010-05-20 20:35:24 +00:00
Devang Patel
2b99c27e47 Add support to preserve type info for the variables that are removed by the optimizer. 
llvm-svn: 103798
 2010-05-14 21:01:35 +00:00
Dan Gohman
b993c131bd Fix whitespace in debug output to be consistent. 
llvm-svn: 103422
 2010-05-10 20:07:44 +00:00
Devang Patel
14f07a8625 Remove DIGlobal. 
llvm-svn: 103325
 2010-05-07 23:19:07 +00:00
Devang Patel
62b4a23a3b Add DINameSpace::Verify(). 
llvm-svn: 103318
 2010-05-07 23:04:32 +00:00
Devang Patel
3c2f4664fc Verify variable directly. 
llvm-svn: 103305
 2010-05-07 22:04:20 +00:00
Devang Patel
0743ea736f Verify compile unit also. 
llvm-svn: 103300
 2010-05-07 21:42:24 +00:00
Devang Patel
0638b539bb Wrap const MDNode * inside DIDescriptor. 
llvm-svn: 103295
 2010-05-07 20:54:48 +00:00
Devang Patel
5b2d1c23a7 Use overloaded operators instead of DIDescriptor::getNode() 
llvm-svn: 103276
 2010-05-07 18:19:32 +00:00
Devang Patel
02bb578ffd Avoid DIDescriptor::getNode(). Use overloaded operators instead. 
llvm-svn: 103272
 2010-05-07 18:11:54 +00:00
Dan Gohman
073b9dc2df Add some words to this output to indicate what the numbers mean. 
llvm-svn: 103264
 2010-05-07 16:39:27 +00:00
Dan Gohman
2ec28eb3fe Fix the new print functions to call print instead of dump. 
llvm-svn: 103261
 2010-05-07 16:17:22 +00:00
Dan Gohman
612fbfa641 Convert the DebugInfo classes dump() methods into print(raw_ostream &) 
methods, and add dump functions implemented in terms of the print.

llvm-svn: 103254
 2010-05-07 15:30:29 +00:00
Devang Patel
edbef722d6 Do not ignore debug loc attached with llvm.dbg.declare while collecting debug info used by a module. 
llvm-svn: 102995
 2010-05-04 01:05:02 +00:00
Devang Patel
52c2d4d378 Attach AT_APPLE_optimized attribute to optimized function's debug info. 
llvm-svn: 102743
 2010-04-30 19:38:23 +00:00
Devang Patel
bdfc01f418 Refactor. 
llvm-svn: 102661
 2010-04-29 20:40:36 +00:00
Chris Lattner
abbd9ae4d3 DebugInfoFinder::processModule was foiling my plot by 
materializing an MDNode for every debugloc.  don't do that! :)

"clang -g -S t.c" really no longer makes mdnodes for location 
tuples now.

llvm-svn: 100224
 2010-04-02 20:44:29 +00:00
Chris Lattner
305c84b8ee Switch the code generator (except the JIT) onto the new DebugLoc 
representation.  This eliminates the 'DILocation' MDNodes for 
file/line/col tuples from -O0 -g codegen.

This remove the old DebugLoc class, making it a typedef for DebugLoc,
I'll rename NewDebugLoc next.

I didn't update the JIT to use the new apis, so it will continue to
work, but be as slow as before.  Someone should eventually do this
or, better yet, rip out the JIT debug info stuff and build the JIT
on top of MC.

llvm-svn: 100209
 2010-04-02 19:42:39 +00:00
Chris Lattner
9ff37808e4 microoptimize this hot method, also making it more 
consistent with other similar ones.

llvm-svn: 99997
 2010-03-31 05:53:47 +00:00
Devang Patel
4995bb0450 Start using DIFile. See updated SourceLevelDebugging.html for more information. 
This patch updates LLVMDebugVersion to 8.
Debug info descriptors encoded using LLVMDebugVersion 7 is supported.

Corresponding llvmgcc and clang FE commits are required.

llvm-svn: 98020
 2010-03-09 00:44:10 +00:00
Devang Patel
a7387f4ecc Introduce DIFile. This will be used to represent header files and source file(s) in debug info. 
llvm-svn: 97994
 2010-03-08 22:27:22 +00:00
Devang Patel
ea239f6e0a Derive DIType from DIScope. This simplifies getContext() where for members the context is a type. This also eliminates need of CompileUnitMaps maintained by dwarf writer. 
llvm-svn: 97990
 2010-03-08 22:02:50 +00:00
Devang Patel
21633192f3 Remove DbgNode checks in constructor. Debug descriptors are intended to be light weight wrappers. 
llvm-svn: 97988
 2010-03-08 21:32:10 +00:00
Devang Patel
176dc29a62 Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating checks in Descriptor constructors.

llvm-svn: 97975
 2010-03-08 20:52:55 +00:00
Devang Patel
a716e313d6 Revert r97947. 
llvm-svn: 97963
 2010-03-08 19:20:38 +00:00
Devang Patel
1527b2657b Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating unncessary constructor checks in light weight DIDescriptor wrappers.

llvm-svn: 97947
 2010-03-08 18:25:48 +00:00
Devang Patel
bebe8e55dc Use line and column number to distinguish two lexical blocks at the same level. 
llvm-svn: 96395
 2010-02-16 21:39:34 +00:00
Devang Patel
102b8a3103 Set DW_AT_artificial only if argument is marked as artificial. 
llvm-svn: 95461
 2010-02-06 01:02:37 +00:00
Devang Patel
83d905f82b Provide interface to identifiy artificial methods. 
llvm-svn: 95240
 2010-02-03 19:57:19 +00:00
Devang Patel
c91ba40a59 Before inserting llvm.dbg.declare intrinsic at the end of a basic block, check whether the basic block has a terminator or not. 
This API is used by clang and the test case is test/CodeGen/debug-info-crash.c in clang module.

llvm-svn: 94820
 2010-01-29 18:30:57 +00:00
Devang Patel
9e6549db1d Add extra element to composite type. This new element will be used to record c++ class that holds current class's vtable. 
llvm-svn: 94586
 2010-01-26 21:14:59 +00:00
Victor Hernandez
648015f3a6 Assert when debug intrinsic insert functions are passed empty arguments 
llvm-svn: 94491
 2010-01-26 02:07:38 +00:00
Devang Patel
280d341d36 Avoid using "Type" as the variable name. 
llvm-svn: 94262
 2010-01-23 00:26:28 +00:00
Victor Hernandez
f61bd354ef Make sure ValueFn starts off empty 
llvm-svn: 94256
 2010-01-23 00:03:28 +00:00
Victor Hernandez
b8ad556b09 Avoid unnecessary Elts array 
llvm-svn: 93978
 2010-01-20 05:44:11 +00:00
Victor Hernandez
afaac26fea Make findDbgDeclare/findDbgGlobalDeclare local static functions; avoid Elts array 
llvm-svn: 93764
 2010-01-18 20:42:09 +00:00
Devang Patel
3bbca51dcd Replace DebugLocTuple with DILocation. 
llvm-svn: 93630
 2010-01-16 06:09:35 +00:00
Victor Hernandez
c1b5223e76 Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast). 
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.
It also strips old llvm.dbg.declare intrinsics that did not pass metadata as the first argument.

llvm-svn: 93531
 2010-01-15 19:04:09 +00:00
Victor Hernandez
97d7107d5e Revert r93504 because older uses of llvm.dbg.declare intrinsics need to be auto-upgraded 
llvm-svn: 93515
 2010-01-15 17:36:47 +00:00
Victor Hernandez
aee71b4e81 Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast). 
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.

llvm-svn: 93504
 2010-01-15 03:37:48 +00:00
Victor Hernandez
832bd4fd2d Respond to Chris' review: 
Make InsertDbgValueIntrinsic() and get Offset take and recieve a uint64_t.
Get constness correct for getVariable() and getValue().

llvm-svn: 93149
 2010-01-11 07:45:19 +00:00
Benjamin Kramer
c233521d45 Convert a ton of simple integer type equality tests to the new predicate. 
llvm-svn: 92760
 2010-01-05 20:07:06 +00:00
Devang Patel
3b08c33f33 Remove dead debug info intrinsics. 
Intrinsic::dbg_stoppoint
 Intrinsic::dbg_region_start 
 Intrinsic::dbg_region_end 
 Intrinsic::dbg_func_start
AutoUpgrade simply ignores these intrinsics now.

llvm-svn: 92557
 2010-01-05 01:10:40 +00:00
Chris Lattner
ecba817b0e fix Analysis/DebugInfo.h to not include Metadata.h. Do this 
by moving one method out of line and eliminating redundant checks
from other methods.

llvm-svn: 92337
 2009-12-31 03:02:08 +00:00
Chris Lattner
c12382b7c8 rename "elements" of metadata to "operands". "Elements" are 
things that occur in types.  "operands" are things that occur
in values.

llvm-svn: 92322
 2009-12-31 01:22:29 +00:00
Chris Lattner
9afb6e9c27 Optimize MDNode to coallocate the operand list immediately 
after the MDNode in memory.  This eliminates the operands
pointer and saves a new[] per node.

Note that the code in DIDerivedType::replaceAllUsesWith is wrong
and quite scary.  A MDNode should not be RAUW'd with something
else: this changes all uses of the mdnode, which may not be debug
info related!  Debug info should use something non-mdnode for
declarations.

llvm-svn: 92321
 2009-12-31 01:05:46 +00:00
Chris Lattner
d981b3fc91 remove a bunch of unneeded functions. 
llvm-svn: 92263
 2009-12-29 09:32:19 +00:00
Chris Lattner
430379c2d5 major cleanups, much of this file was incorrectly indented. 
llvm-svn: 92262
 2009-12-29 09:22:47 +00:00
Chris Lattner
f0034478f8 one pass of cleanup over DebugInfo.h. Much more is still needed. 
llvm-svn: 92261
 2009-12-29 09:15:46 +00:00
Chris Lattner
84e9de4a58 Final step in the metadata API restructuring: move the 
getMDKindID/getMDKindNames methods to LLVMContext (and add
convenience methods to Module), eliminating MetadataContext.
Move the state that it maintains out to LLVMContext.

llvm-svn: 92259
 2009-12-29 09:01:33 +00:00
Chris Lattner
9ec640a902 This is a major cleanup of the instruction metadata interfaces that 
I asked Devang to do back on Sep 27.  Instead of going through the
MetadataContext class with methods like getMD() and getMDs(), just
ask the instruction directly for its metadata with getMetadata()
and getAllMetadata().

This includes a variety of other fixes and improvements: previously
all Value*'s were bloated because the HasMetadata bit was thrown into
value, adding a 9th bit to a byte.  Now this is properly sunk down to
the Instruction class (the only place where it makes sense) and it
will be folded away somewhere soon.

This also fixes some confusion in getMDs and its clients about 
whether the returned list is indexed by the MDID or densely packed.
This is now returned sorted and densely packed and the comments make
this clear.

This introduces a number of fixme's which I'll follow up on.

llvm-svn: 92235
 2009-12-28 23:41:32 +00:00
Chris Lattner
cd3aa9d1ff rename getMDKind -> getMDKindID, make it autoinsert if an MD Kind 
doesn't exist already, eliminate registerMDKind.  Tidy up a bunch
of random stuff.

llvm-svn: 92225
 2009-12-28 20:45:51 +00:00
David Greene
bcfb683e76 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.

llvm-svn: 92032
 2009-12-23 19:45:49 +00:00
Devang Patel
ffb33d1df8 Add support to emit debug info for C++ namespaces. 
llvm-svn: 91440
 2009-12-15 19:16:48 +00:00
Devang Patel
11874672da Revert 90858 90875 and 90805 for now. 
llvm-svn: 90898
 2009-12-08 23:21:45 +00:00
Victor Hernandez
f5143485fa Rename DIFactory::InsertValue() as DIFactory::InsertDbgValueIntrinsic() 
llvm-svn: 90807
 2009-12-07 21:54:43 +00:00
Devang Patel
e59f4f7204 Add support to emit debug info for c++ style namespaces. 
llvm-svn: 90805
 2009-12-07 21:41:32 +00:00
Victor Hernandez
2a16652946 Introduce the "@llvm.dbg.value" debug intrinsic. 
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value.

An example:
  call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2)
Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0.
 

llvm-svn: 90788
 2009-12-07 19:36:34 +00:00
Devang Patel
fe7cf074f0 Add support to emit debug info for virtual functions and virtual base classes. 
llvm-svn: 90474
 2009-12-03 19:11:07 +00:00
Devang Patel
122acaf238 Add utility routine to create subprogram definition entry from subprogram declaration entry. 
llvm-svn: 90282
 2009-12-01 23:09:02 +00:00
Devang Patel
d50fc13c19 Use StringRef (again) in DebugInfo interface. 
llvm-svn: 89866
 2009-11-25 17:36:49 +00:00
Devang Patel
11c5d09a35 Emit pubtypes. 
llvm-svn: 89725
 2009-11-24 01:14:22 +00:00
Devang Patel
80eee0d8a4 Add CreateLocation varinat that accepts MDNode (with a default value). 
llvm-svn: 89689
 2009-11-23 19:11:20 +00:00
Devang Patel
34b8b72944 Remove dead code. 
llvm-svn: 89156
 2009-11-17 22:39:08 +00:00
Devang Patel
3e2aba2402 Revert r87059 for now. It is failing clang tests. 
llvm-svn: 87070
 2009-11-13 02:27:33 +00:00
Victor Hernandez
0be9d07279 Remove unnecessary llvm.dbg.declare bitcast 
llvm-svn: 87059
 2009-11-13 01:44:55 +00:00
Devang Patel
c024e96ca3 "Attach debug info with llvm instructions" mode was enabled a month ago. Now make it permanent and remove old way of inserting intrinsics to encode debug info for line number and scopes. 
llvm-svn: 87014
 2009-11-12 19:02:56 +00:00
Devang Patel
c70b8eefb7 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
Devang Patel
5c983cb2ab Implement support to debug inlined functions. 
llvm-svn: 86748
 2009-11-10 23:06:00 +00:00
Devang Patel
e70bec27b0 Process InlinedAt location info. 
Update InsertDeclare to return newly inserted llvm.dbg.declare intrinsic.

llvm-svn: 86727
 2009-11-10 22:05:35 +00:00
Devang Patel
1a557eacb8 Tolerate invalid derived type. 
llvm-svn: 86269
 2009-11-06 18:24:05 +00:00
Devang Patel
0d1f6a9d0e Do not bother to emit debug info for nameless global variable. 
llvm-svn: 86259
 2009-11-06 17:58:12 +00:00
Devang Patel
c69c29bc4b While calculating original type size for a derived type, handle type variants encoded as DIDerivedType appropriately. 
This improves bitfield support.

llvm-svn: 86073
 2009-11-04 23:48:00 +00:00
Devang Patel
b16ace1014 If string field is empty then return NULL. 
llvm-svn: 85630
 2009-10-30 22:52:47 +00:00
Devang Patel
2b9d1ade65 If a type is derived from a derived type then calculate size appropriately. 
llvm-svn: 85619
 2009-10-30 22:09:30 +00:00
Devang Patel
093d35bd8a First bitcase use may not lead to a dbg.declare intrinsic. Iterate uses until one find's dbg.declare intrinsic. 
Patch by Sunae Seo.

llvm-svn: 85518
 2009-10-29 18:20:34 +00:00
Devang Patel
9eb437047b Add support to encode type info using llvm::Constant. 
Patch by Talin!

llvm-svn: 85126
 2009-10-26 16:54:35 +00:00
Devang Patel
ee9d2f0cc0 "there is not any instruction with attached debug info in this module" does not mean "there is no debug info in this module". :) 
llvm-svn: 83984
 2009-10-13 17:35:35 +00:00
Bill Wendling
d47d348cdf It's possible for a global variable to be optimized out of a metadata object. So 
we should allow a "null" with this dyn_cast.

llvm-svn: 83573
 2009-10-08 20:52:51 +00:00
Devang Patel
a7456a1335 Extract subprogram and compile unit information from the debug info attached to an instruction. 
llvm-svn: 83491
 2009-10-07 22:04:08 +00:00
Mike Stump
532ed49e39 Expand api out in the usual inserter way, though, I do have a 
question, can we get rid of the BasicBlock versions of all inserters
and use Head == 0 to indicate the old case when GetInsertBlock == 0?

llvm-svn: 83216
 2009-10-01 22:08:58 +00:00
Devang Patel
4f1147e386 Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions. 
llvm-svn: 83190
 2009-10-01 01:15:28 +00:00
Devang Patel
cb516787d0 Add isFOO() helpers. Fix getDirectory() and getFilename() for DIScope. 
llvm-svn: 83180
 2009-09-30 22:34:41 +00:00
Mike Stump
a3bce35a07 Add a way for a frontend to generate more complex dwarf location 
information.  This allows arbitrary code involving DW_OP_plus_uconst
and DW_OP_deref.  The scheme allows for easy extention to include,
any, or all of the DW_OP_ opcodes.  I thought about just exposing all
of them, but, wasn't sure if people wanted the dwarf opcodes exposed
in the api.  Is that a layering violation?

With this scheme, the entire existing block scheme used by llvm-gcc
can be switched over to the new scheme.  I think that would be
cleaner, as then the compiler specific bits are not present in llvm
proper.  Before the old code can be yanked however, similar code in
clang would have to be removed.

Next up, more testing.

llvm-svn: 83120
 2009-09-30 00:08:22 +00:00
Devang Patel
e5be8e79df Remove std::string uses from DebugInfo interface. 
llvm-svn: 83083
 2009-09-29 18:40:58 +00:00
Daniel Dunbar
14c9a4d355 Switch DIDescriptor to use a TrackingVH. - This makes it much safer to work with debug info, since it was extraordinarily easy to have dangling pointers thanks to MDNode uniquing. 
llvm-svn: 82507
 2009-09-22 02:03:18 +00:00
Daniel Dunbar
378331a13d Tabs -> spaces, and remove trailing whitespace. 
llvm-svn: 82355
 2009-09-20 02:20:51 +00:00