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194 Commits

Author SHA1 Message Date
Jeffrey Yasskin
bc6f9d7e70 Fix a funky "declared with greater visibility than the type of its field" 
warning from gcc by removing VISIBILITY_HIDDEN attributes.  

llvm-svn: 85873
 2009-11-03 06:29:36 +00:00
Devang Patel
635c6192e6 Do not held on to DenseMap slot accross map insertion. The insertion may cause the map to grow rending the slot invalid. 
Use this opportunity to use ValueMap instead of DenseMap.

llvm-svn: 85298
 2009-10-27 20:47:17 +00:00
Devang Patel
4790ea6ca2 Do not emit name entry for a pointer type. 
llvm-svn: 84276
 2009-10-16 21:27:43 +00:00
Devang Patel
5920acc861 If there is not any llvm instruction associated with each lexical scope encoded in debug info then create such scope on demand for variable info. 
llvm-svn: 84262
 2009-10-16 18:18:03 +00:00
Devang Patel
22761afada Add support to record DbgScope as inlined scope. 
llvm-svn: 84134
 2009-10-14 21:08:09 +00:00
Devang Patel
72f708ec2f s/DebugLoc.CompileUnit/DebugLoc.Scope/g 
s/DebugLoc.InlinedLoc/DebugLoc.InlinedAtLoc/g

llvm-svn: 84054
 2009-10-13 23:28:53 +00:00
Daniel Dunbar
592c5055dd Fix a -Asserts warning. 
llvm-svn: 83950
 2009-10-13 06:47:08 +00:00
Devang Patel
aeac1241b8 Find enclosing subprogram info. 
llvm-svn: 83922
 2009-10-12 23:11:24 +00:00
Devang Patel
c97c44b584 Extract scope information from the variable itself, instead of relying on alloca or llvm.dbg.declare location. 
While recording beginning of a function, use scope info from the first location entry instead of just relying on first location entry itself.

llvm-svn: 83684
 2009-10-09 22:42:28 +00:00
Devang Patel
a772046766 Check invalid debug info for enums. This may happen when underlyng enum is optimized away. Eventually DwarfChecker will clean this up during llvm verification stage. 
llvm-svn: 83655
 2009-10-09 17:51:49 +00:00
Devang Patel
e16aac2206 Do not record line number to implicitly mark start of function if function has arguments. Extra line number entries trip gdb in some cases. 
llvm-svn: 83563
 2009-10-08 18:48:03 +00:00
Devang Patel
1639c0e45a Add support to handle debug info attached to an instruction. 
This is not yet enabled.

llvm-svn: 83400
 2009-10-06 18:37:31 +00:00
Devang Patel
bad114ca60 Fix cut-n-pasto. 
llvm-svn: 83367
 2009-10-06 03:15:38 +00:00
Devang Patel
3200e99109 Remove dead code. 
llvm-svn: 83362
 2009-10-06 02:01:32 +00:00
Devang Patel
0141a90812 Add utility routine to set begin and end labels for DbgScopes. 
This will be used by processDebugLoc().

llvm-svn: 83361
 2009-10-06 01:50:42 +00:00
Devang Patel
ac511d1acf Add utility routine to collect variable debug info. This is not yet used. 
llvm-svn: 83355
 2009-10-06 01:26:37 +00:00
Devang Patel
3b3d8a9d09 Existence of a compile unit for input source file is a good indicator to check debug info's presence in a module. 
llvm-svn: 83348
 2009-10-06 00:03:14 +00:00
Devang Patel
f129b0d44f If subprogram die is not available then construct new one. 
This can happen if debug info is processed lazily.

llvm-svn: 83347
 2009-10-05 23:59:00 +00:00
Devang Patel
dff583ac49 Adjust context for the global variables that are not at file scope, e.g. 
void foo() { static int bar = 42; }
Here, foo's DIE is parent of bar's DIE.

llvm-svn: 83344
 2009-10-05 23:40:42 +00:00
Devang Patel
4e9591a170 Set address while constructing DIE. 
llvm-svn: 83343
 2009-10-05 23:22:08 +00:00
Devang Patel
28b7c6155c Gracefully handle various scopes while recording source line info. 
llvm-svn: 83317
 2009-10-05 18:03:19 +00:00
Devang Patel
7aa19711f8 Add support to extract lexical scope information from DebugLoc attached with an machine instruction. 
This is not yet enabled.

llvm-svn: 83210
 2009-10-01 20:31:14 +00:00
Devang Patel
7b4ba71afa Record first and last instruction of a scope in DbgScope. 
llvm-svn: 83207
 2009-10-01 18:25:23 +00:00
Devang Patel
044648c2d7 Use MDNode * directly as an RecordSourceLine() argument. 
llvm-svn: 83182
 2009-09-30 22:51:28 +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
Mike Stump
d7a3b26009 Delete space after function name, before (, reflow a comment and 
delete a few blank lines.

llvm-svn: 82729
 2009-09-24 23:21:26 +00:00
Mike Stump
26e902d371 Fix spacing. 
llvm-svn: 82727
 2009-09-24 23:11:08 +00:00
Mike Stump
1f53a128a9 This is overly constraining with respect to clang. 
llvm-svn: 82591
 2009-09-23 00:13:30 +00:00
Daniel Dunbar
9ae3c56c92 Fix indentation. 
llvm-svn: 82333
 2009-09-19 20:40:14 +00:00
Daniel Dunbar
39c0d90339 Strip trailing whitespace. 
llvm-svn: 82332
 2009-09-19 20:40:05 +00:00
Chris Lattner
f720dd9257 eliminate the horrid AsmPrinter::getGlobalLinkName method, inlining 
it into all of its call sites and simplifying them.

llvm-svn: 81962
 2009-09-16 00:08:41 +00:00
Caroline Tice
9584af22be Don't generate Dwarf line table entries for source line 0. 
llvm-svn: 81542
 2009-09-11 18:25:54 +00:00
Chris Lattner
b9aca1a178 remove DebugLoc from MCInst and eliminate "Comment printing" from 
the MCInst path of the asmprinter.  Instead, pull comment printing
out of the autogenerated asmprinter into each target that uses the
autogenerated asmprinter.  This causes code duplication into each
target, but in a way that will be easier to clean up later when more
asmprinter stuff is commonized into the base AsmPrinter class.

This also fixes an xcore strangeness where it inserted two tabs
before every instruction.

llvm-svn: 81396
 2009-09-09 23:14:36 +00:00
Devang Patel
c174e064b2 Ignore malformed global variable debug info. 
llvm-svn: 81055
 2009-09-04 23:59:07 +00:00
Devang Patel
fb8892d0e1 Subprogram is a scope. Derive DISubprogram from DIScope. 
llvm-svn: 80637
 2009-08-31 22:47:13 +00:00
Devang Patel
4a89fae1fe Rename DIBlock as DILexicalBlock. 
llvm-svn: 80633
 2009-08-31 22:00:15 +00:00
Caroline Tice
e49e2d352c Add flag to mark structs for Apple Block "byref" variables; also add code to 
modify the type and location debug information for these variables to match the
programmer's expectations.

llvm-svn: 80625
 2009-08-31 21:19:37 +00:00
Devang Patel
29f14e754f Simplify isDerivedType() and other predicate interface. 
llvm-svn: 80602
 2009-08-31 18:49:10 +00:00
Devang Patel
fbaeda732e Reapply 79977. 
Use MDNodes to encode debug info in llvm IR.

llvm-svn: 80406
 2009-08-28 23:24:31 +00:00
Devang Patel
c1fe40a1b3 Closure is a very generic name. Use AppleBlock instead. 
llvm-svn: 80307
 2009-08-27 23:51:51 +00:00
Devang Patel
10c075a316 Revert 79977. It causes llvm-gcc bootstrap failures on some platforms. 
llvm-svn: 80073
 2009-08-26 05:01:18 +00:00
Devang Patel
7bee319f4a Add isClosure() predicate. This is used to add DW_AT_APPLE_block attribute. 
Patch by Caroline Tice.

llvm-svn: 80061
 2009-08-26 00:39:50 +00:00
Devang Patel
7d42bfab6c Update DebugInfo interface to use metadata, instead of special named llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well. 
This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!)

llvm-svn: 79977
 2009-08-25 05:24:07 +00:00
Chris Lattner
39262eb119 prune the #includes in raw_ostream.h by moving a 
member out of line. ftostr is not particularly speedy,
so that method is presumably not perf sensitive.

llvm-svn: 79885
 2009-08-24 03:52:50 +00:00
Chris Lattner
3203639c35 Prune #includes from llvm/Linker.h and llvm/System/Path.h, 
forcing them down into various .cpp files.

This change also:
1. Renames TimeValue::toString() and Path::toString() to ::str()
   for similarity with the STL.
2. Removes all stream insertion support for sys::Path, forcing
   clients to call .str().
3. Removes a use of Config/alloca.h from bugpoint, using smallvector
   instead.
4. Weans llvm-db off <iostream>

sys::Path really needs to be gutted, but I don't have the desire to
do it at this point.

llvm-svn: 79869
 2009-08-23 22:45:37 +00:00
Chris Lattner
1c6c358071 remove some random indentation stuff, yay for efficiency. 
llvm-svn: 79797
 2009-08-23 00:51:00 +00:00
Chris Lattner
8d06945fff rename TAI -> MAI, being careful not to make MAILJMP instructions :) 
llvm-svn: 79777
 2009-08-22 21:43:10 +00:00
Chris Lattner
5d8af49626 Rename TargetAsmInfo (and its subclasses) to MCAsmInfo. 
llvm-svn: 79763
 2009-08-22 20:48:53 +00:00
Devang Patel
c071d6c1b4 Record variable debug info at ISel time directly. 
llvm-svn: 79742
 2009-08-22 17:12:53 +00:00
David Greene
1df248be05 Add missing includes. 
llvm-svn: 79473
 2009-08-19 21:52:55 +00:00
Chris Lattner
9cbc9c2d13 eliminate AsmPrinter::SwitchToSection and just have clients 
talk to the MCStreamer directly instead.

llvm-svn: 79405
 2009-08-19 05:49:37 +00:00
Devang Patel
b6add4ace3 Do not completely skip subrange info for a zero sized array. 
llvm-svn: 79044
 2009-08-14 20:59:16 +00:00
Chris Lattner
9e2c3aa666 sink the 'name' and 'isdirective' state out of MCSection into its derived classes. 
This totally optimizes PIC16 sections by not having an 'isdirective' bit anymore!! ;-)

llvm-svn: 78517
 2009-08-08 23:39:42 +00:00
Chris Lattner
628047fd32 eliminate CurrentSection, rename CurrentSection_ -> CurrentSection, make it private, 
eliminate IsInTextSection.

llvm-svn: 78017
 2009-08-03 23:20:21 +00:00
Chris Lattner
738a9ba448 move dwarf debug info section selection stuff from TAI to 
TLOF, unifying all the dwarf targets at the same time.

llvm-svn: 77889
 2009-08-02 07:24:22 +00:00
Chris Lattner
75b7692e66 switch off of 'Section' onto MCSection. We're not properly using 
MCSection subclasses yet, but this is a step in the right direction.

llvm-svn: 77708
 2009-07-31 18:48:30 +00:00
Devang Patel
9b0dea089b Start using DebugInfoFinder. 
llvm-svn: 77621
 2009-07-30 18:56:46 +00:00
Chris Lattner
55461787cc Rip all of the global variable lowering logic out of TargetAsmInfo. Since 
it is highly specific to the object file that will be generated in the end,
this introduces a new TargetLoweringObjectFile interface that is implemented
for each of ELF/MachO/COFF/Alpha/PIC16 and XCore.

Though still is still a brutal and ugly refactoring, this is a major step
towards goodness.

This patch also:
1. fixes a bunch of dangling pointer problems in the PIC16 backend.
2. disables the TargetLowering copy ctor which PIC16 was accidentally using.
3. gets us closer to xcore having its own crazy target section flags and
   pic16 not having to shadow sections with its own objects.
4. fixes wierdness where ELF targets would set CStringSection but not
   CStringSection_.  Factor the code better.
5. fixes some bugs in string lowering on ELF targets.

llvm-svn: 77294
 2009-07-28 03:13:23 +00:00
Daniel Dunbar
4a36d5dcfd Remove Value::getName{Start,End}, the last of the old Name APIs. 
llvm-svn: 77152
 2009-07-26 09:48:23 +00:00
Devang Patel
58a041b634 Skip special LLVM prefix '1' while emitting linknage name. 
This prefix is used by LLVM to inform the asm printer to not emit usual global symbol prefix before the symbol name.

llvm-svn: 75875
 2009-07-16 01:01:22 +00:00
Chris Lattner
2a6bb9bc51 Change the internal interface to makeNameProper to take a bool that 
indicates whether the label is private or not, instead of taking
prefix stuff.  One effect of this is that symbols will be generated
with *just* the private prefix, instead of both the private prefix
*and* the user-label-prefix, but this doesn't matter as long as it
is consistent.  For example we'll now get "Lfoo" instead of "L_foo".
These are just assembler temporary labels anyway, so they never even
make it into the .o file.

llvm-svn: 75607
 2009-07-14 04:50:12 +00:00
Devang Patel
4992f3bed3 Do not use Mangler to remove '1' from linkage name. 
llvm-svn: 75574
 2009-07-14 00:55:28 +00:00
Devang Patel
8af4ed78a9 Use assertion. 
llvm-svn: 75540
 2009-07-13 22:46:19 +00:00
Devang Patel
af27c5b2bd Use AsmPrinter's Mangler to remove leading '1' from linkage names. 
llvm-svn: 75515
 2009-07-13 21:48:26 +00:00
Devang Patel
f1387bc427 revert rev. 75503 for now. 
llvm-svn: 75507
 2009-07-13 21:26:33 +00:00
Devang Patel
ca075d2f7a Use Mangler to remove leading '1' from linkage names. 
llvm-svn: 75503
 2009-07-13 21:19:56 +00:00
Devang Patel
e416111eeb Accidently dropped this while removing dead code in previous commit. 
llvm-svn: 74953
 2009-07-07 21:55:14 +00:00
Devang Patel
4fdc3e6c1d Remove dead code. 
llvm-svn: 74949
 2009-07-07 21:12:32 +00:00
Devang Patel
e35cd91347 Struct types are described using field types only. 
llvm-svn: 74477
 2009-06-29 23:46:50 +00:00
Devang Patel
bff451b95b s/MainCU/ModuleCU/g 
llvm-svn: 74452
 2009-06-29 20:45:18 +00:00
Devang Patel
4ba8cbff55 Multiple DW_TAG_compile_unit is not used, afaict, on any target. 
Update dwarf writer to only emit one DW_TAG_compile_unit per .o file. 

llvm-svn: 74449
 2009-06-29 20:38:13 +00:00
Devang Patel
84a8914a4a Remove debug info anchors - llvm.dbg.compile_units, llvm.dbg.subprograms 
and llvm.dbg.global_variables.

llvm-svn: 74251
 2009-06-26 01:49:18 +00:00
Devang Patel
32bbebe82f Simplify. 
llvm-svn: 74215
 2009-06-25 22:36:02 +00:00
Owen Anderson
7b32a5b971 Down with statics! 
llvm-svn: 74134
 2009-06-24 22:53:20 +00:00
Chris Lattner
ea0ea2f4bc simplify macro debug info directive handling. 
llvm-svn: 73736
 2009-06-18 23:31:37 +00:00
Devang Patel
5941941827 Use MainCU if it is available. 
llvm-svn: 73457
 2009-06-16 02:09:30 +00:00
Devang Patel
1fb2606b12 Gracefully handle imbalanced inline function begin and end markers. 
llvm-svn: 73426
 2009-06-15 21:45:50 +00:00
Devang Patel
bcc1187643 llvm.dbg.region.end() intrinsic is not required to be in _last_ basic block in a function. If that happens then any basic block that follows (lexically) the block with regin.end will not have scope info available. LexicalScopeStack relies on processing basic block in CFG order, but this processing order is not guaranteed. Things get complicated when the optimizer gets a chance to optimizer IR with dbg intrinsics. 
Apply defensive patch to preserve at least one lexical scope till the end of function.

llvm-svn: 73282
 2009-06-13 02:16:18 +00:00
Devang Patel
8d9aa4249a Clear AbstractInstanceRootMap at the end of the function. 
llvm-svn: 73244
 2009-06-12 19:24:05 +00:00
Dan Gohman
ee407d25ca Remove some unnecessary #includes. 
llvm-svn: 72948
 2009-06-05 16:32:58 +00:00
Bill Wendling
c77c8e5f6e Accidental commit. This isn't ready for prime time just yet. 
llvm-svn: 72699
 2009-06-01 20:18:46 +00:00
Bill Wendling
8235a05c1a Untabification. 
llvm-svn: 72604
 2009-05-30 01:09:53 +00:00
Bill Wendling
0404cd92ab Minor code cleanup. No functionality change. 
llvm-svn: 72198
 2009-05-20 23:31:45 +00:00
Bill Wendling
2a97cb4881 Merge 'ConstructFunctionDbgScope' and 'ConstructAbstractDbgScope'. 
llvm-svn: 72197
 2009-05-20 23:28:48 +00:00
Bill Wendling
acc358774c Rename 'New*' methods to 'Create*' to be consistent. 'NewString' isn't used. 
llvm-svn: 72196
 2009-05-20 23:24:48 +00:00
Bill Wendling
bd78fe50a3 Add comment for emit section. 
llvm-svn: 72195
 2009-05-20 23:22:40 +00:00
Bill Wendling
9a2d96a37a Move 'Emit' methods down to their own place. 
llvm-svn: 72194
 2009-05-20 23:21:38 +00:00
Bill Wendling
b77e48674c Revert r72192. It was causing a build failure. 
llvm-svn: 72193
 2009-05-20 23:19:06 +00:00
Bill Wendling
864c567fc8 Do some mechanical changes. Combine the 'construct abastract dbg thingy' in with 
the 'constract function dbg thingy'. Rename some methods to make them consistent
with the rest of the methods. Move the 'Emit' methods to the end of the file.

llvm-svn: 72192
 2009-05-20 23:04:56 +00:00
Bill Wendling
a443337af0 Don't set the "location" information for inlined functions' variables. 
llvm-svn: 72064
 2009-05-18 23:08:55 +00:00
Bill Wendling
8e6fe772be Small code cleanup. 
llvm-svn: 72057
 2009-05-18 22:33:01 +00:00
Bill Wendling
45cb84b4e3 RecordVariable is called each time a DECLARE node is encountered. For an inlined 
function, this could be many, many times. We don't want to re-add variables to
that DIE for each time. We just want to add them once. Check to make sure that
we haven't added them already.

llvm-svn: 72047
 2009-05-18 22:02:36 +00:00
Bill Wendling
ac4cfe34e6 Split out the DwarfDebug module from the DwarfWriter module. 
Again, no intendtional functionality change.

llvm-svn: 71854
 2009-05-15 09:23:25 +00:00