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83 Commits

Author SHA1 Message Date
Devang Patel
4598eb6214 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
7d838bb66e Fix cut-n-pasto. 
llvm-svn: 83367
 2009-10-06 03:15:38 +00:00
Devang Patel
2980a22028 Remove dead code. 
llvm-svn: 83362
 2009-10-06 02:01:32 +00:00
Devang Patel
8db360da7b 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
475d32a987 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
d859d86538 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
1c9eef72b4 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
4c420eca41 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
4144a82154 Set address while constructing DIE. 
llvm-svn: 83343
 2009-10-05 23:22:08 +00:00
Devang Patel
2089d16140 Gracefully handle various scopes while recording source line info. 
llvm-svn: 83317
 2009-10-05 18:03:19 +00:00
Devang Patel
75cc16c0f2 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
787f94c28d Record first and last instruction of a scope in DbgScope. 
llvm-svn: 83207
 2009-10-01 18:25:23 +00:00
Devang Patel
3256c751f5 Use MDNode * directly as an RecordSourceLine() argument. 
llvm-svn: 83182
 2009-09-30 22:51:28 +00:00
Mike Stump
14cf8ecf0b 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
b296942f6d Remove std::string uses from DebugInfo interface. 
llvm-svn: 83083
 2009-09-29 18:40:58 +00:00
Mike Stump
944fa25934 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
d6f9a2f90b Fix spacing. 
llvm-svn: 82727
 2009-09-24 23:11:08 +00:00
Mike Stump
8808063181 This is overly constraining with respect to clang. 
llvm-svn: 82591
 2009-09-23 00:13:30 +00:00
Daniel Dunbar
be22ec4cfc Fix indentation. 
llvm-svn: 82333
 2009-09-19 20:40:14 +00:00
Daniel Dunbar
c418d6b106 Strip trailing whitespace. 
llvm-svn: 82332
 2009-09-19 20:40:05 +00:00
Chris Lattner
dd5a989034 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
183a519771 Don't generate Dwarf line table entries for source line 0. 
llvm-svn: 81542
 2009-09-11 18:25:54 +00:00
Chris Lattner
321bc99a74 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
f5d5360065 Ignore malformed global variable debug info. 
llvm-svn: 81055
 2009-09-04 23:59:07 +00:00
Devang Patel
b2de5fa689 Subprogram is a scope. Derive DISubprogram from DIScope. 
llvm-svn: 80637
 2009-08-31 22:47:13 +00:00
Devang Patel
869529c58c Rename DIBlock as DILexicalBlock. 
llvm-svn: 80633
 2009-08-31 22:00:15 +00:00
Caroline Tice
c87c1e2cfd 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
9fda4bd998 Simplify isDerivedType() and other predicate interface. 
llvm-svn: 80602
 2009-08-31 18:49:10 +00:00
Devang Patel
80ae34974b Reapply 79977. 
Use MDNodes to encode debug info in llvm IR.

llvm-svn: 80406
 2009-08-28 23:24:31 +00:00
Devang Patel
3082c01d68 Closure is a very generic name. Use AppleBlock instead. 
llvm-svn: 80307
 2009-08-27 23:51:51 +00:00
Devang Patel
f08e35d9dc Revert 79977. It causes llvm-gcc bootstrap failures on some platforms. 
llvm-svn: 80073
 2009-08-26 05:01:18 +00:00
Devang Patel
a1b4dd96f2 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
02aac922b4 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
06fa176862 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
c521f54198 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
81e8e02e2f remove some random indentation stuff, yay for efficiency. 
llvm-svn: 79797
 2009-08-23 00:51:00 +00:00
Chris Lattner
e9a75a6654 rename TAI -> MAI, being careful not to make MAILJMP instructions :) 
llvm-svn: 79777
 2009-08-22 21:43:10 +00:00
Chris Lattner
7b26fce23e Rename TargetAsmInfo (and its subclasses) to MCAsmInfo. 
llvm-svn: 79763
 2009-08-22 20:48:53 +00:00
Devang Patel
0939595711 Record variable debug info at ISel time directly. 
llvm-svn: 79742
 2009-08-22 17:12:53 +00:00
David Greene
829b3e8b14 Add missing includes. 
llvm-svn: 79473
 2009-08-19 21:52:55 +00:00
Chris Lattner
4b7dadb76e 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
f691df3536 Do not completely skip subrange info for a zero sized array. 
llvm-svn: 79044
 2009-08-14 20:59:16 +00:00
Chris Lattner
591105c540 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
8ce12538c1 eliminate CurrentSection, rename CurrentSection_ -> CurrentSection, make it private, 
eliminate IsInTextSection.

llvm-svn: 78017
 2009-08-03 23:20:21 +00:00
Chris Lattner
1472cf5b3f 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
4d2c0f9008 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
6352444635 Start using DebugInfoFinder. 
llvm-svn: 77621
 2009-07-30 18:56:46 +00:00
Chris Lattner
5e693ed07b 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
6115b39ffd 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
f281bf803e 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