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333 Commits

Author SHA1 Message Date
Devang Patel 32cc43c242 Wrap const MDNode * inside DIDescriptor. 
llvm-svn: 103295
 2010-05-07 20:54:48 +00:00
Devang Patel cfa8e9d45f Avoid DIDescriptor::getNode(). Use overloaded operators instead. 
llvm-svn: 103272
 2010-05-07 18:11:54 +00:00
Dan Gohman 7421ae48bf Disable the new unknown-location code for now. It causes a major 
increase in the debug line info section, and it's causing
regressions in a gdb testsuite.

llvm-svn: 103226
 2010-05-07 01:08:53 +00:00
Dan Gohman 47d04e3e41 Update LabelsBeforeInsn also, when creating unknown-position labels. 
llvm-svn: 103145
 2010-05-06 00:29:41 +00:00
Dan Gohman 50849c63e4 Emit debug info for MachineInstrs with unknown debug locations, instead 
of just letting them inherit the debug locations of adjacent instructions.

Debug info should aim to be either accurate or absent.

llvm-svn: 103135
 2010-05-05 23:41:32 +00:00
Devang Patel 075e9b5d66 Set DW_AT_APPLE_omit_frame_ptr in endFunction() where MachineFunction is available all the time. 
llvm-svn: 103001
 2010-05-04 06:15:30 +00:00
Devang Patel b4e3b9025c Attach AT_APPLE_optimized attribute to optimized function's debug info. 
llvm-svn: 102743
 2010-04-30 19:38:23 +00:00
Devang Patel 50c9431203 Emit debug info for byval parameters. 
llvm-svn: 102486
 2010-04-28 01:39:28 +00:00
Chris Lattner 9e06e53fc6 remove some default arguments to EmitAlignment. 
llvm-svn: 102482
 2010-04-28 01:05:45 +00:00
Devang Patel 173b2b9d05 Refactor. 
llvm-svn: 102481
 2010-04-28 01:03:09 +00:00
Devang Patel cfc76fdaf1 Use isReg(), isImm() and isFPImm(). 
llvm-svn: 102470
 2010-04-27 22:04:41 +00:00
Devang Patel 1f34c2727d Check operand type first. 
llvm-svn: 102468
 2010-04-27 21:49:04 +00:00
Devang Patel 1a0bbe25e3 Ignore DBG_VALUE instructions that points to undef values. 
llvm-svn: 102463
 2010-04-27 20:54:45 +00:00
Devang Patel 6c74a872a8 Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
This patch fixes bug (PR6894) introduced by previous version of this patch.

llvm-svn: 102454
 2010-04-27 19:46:33 +00:00
Devang Patel bd798ce8dd Use DW_AT_entry_pc instead of DW_AT_low_pc/DW_AT_high_pc pair. This simplifies debug range entries. 
llvm-svn: 102394
 2010-04-26 22:54:28 +00:00
Dan Gohman e9135cb3fb Revert 102135, 102129, 102127, 102106, 102104, 102102, 102012, 102004, 
because 102004 causes codegen to emit invalid assembly on at least
x86_64-unknown-gnu-linux.

llvm-svn: 102155
 2010-04-23 01:18:53 +00:00
Devang Patel ea2744f4dc Adjust debug range offsets for isWeakForLinker() functions. 
llvm-svn: 102127
 2010-04-22 20:52:00 +00:00
Devang Patel 0fde4aeedd Rename InsnAfterLabelMap and InsnBeforeLabelMap. 
llvm-svn: 102106
 2010-04-22 18:43:35 +00:00
Devang Patel 53f530d44c Keep track of MCSymbol used to mark beginning of a function. 
llvm-svn: 102104
 2010-04-22 18:39:21 +00:00
Devang Patel bae14a1cab At this point Start and End are not null. 
llvm-svn: 102102
 2010-04-22 18:28:58 +00:00
Devang Patel 1a6e399874 Add command line option to disable debug info printing in .s file. This option does not impact debug info generation and preservation through earlier compile starges. 
llvm-svn: 102012
 2010-04-21 19:08:53 +00:00
Devang Patel 0940a8085e Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
llvm-svn: 102004
 2010-04-21 16:32:19 +00:00
Evan Cheng 4158a0ff6b Implement -disable-non-leaf-fp-elim which disable frame pointer elimination 
optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181

llvm-svn: 101984
 2010-04-21 03:18:23 +00:00
Dan Gohman 3df671a81c Remove MachineFunction's DefaultDebugLoc member, and make DwarfDebug.cpp 
responsible for figuring out what that's supposed to be on its own.

llvm-svn: 101844
 2010-04-20 00:37:27 +00:00
Devang Patel 6188093cca Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag. 
llvm-svn: 101805
 2010-04-19 19:14:02 +00:00
Dan Gohman 88f7f6aeda Use const_cast instead of a C-style cast to cast away const. 
llvm-svn: 101639
 2010-04-17 16:43:55 +00:00
Devang Patel 12563b3495 Add support to emit dwarf ranges. 
llvm-svn: 101575
 2010-04-16 23:33:45 +00:00
Dan Gohman b29cda9b3c Fix a bunch of namespace polution. 
llvm-svn: 101376
 2010-04-15 17:08:50 +00:00
Devang Patel 97bdf94da3 There is no need to track compile unit offsets if there is only one compile unit. 
llvm-svn: 101315
 2010-04-14 23:56:24 +00:00
Devang Patel b7eadda495 Clear MachineInstr->MCSymbol maps at the end of a function. 
llvm-svn: 101202
 2010-04-14 01:18:28 +00:00
Devang Patel 12d150ea43 Do not include types without any definition in pubtypes list. 
llvm-svn: 101171
 2010-04-13 20:35:04 +00:00
Devang Patel 541019ddec Clear InsnsBeginScopeSet and InsnsEndScopeSet at the end of function. 
llvm-svn: 100867
 2010-04-09 16:04:20 +00:00
Devang Patel 359b013129 Rename a function. 
llvm-svn: 100797
 2010-04-08 18:43:56 +00:00
Devang Patel 3ebd8931fb One instruction may start (or end) multiple lexical scopes. 
There is no need to remember labels identifying regions marked by such instructions in each scope.

llvm-svn: 100781
 2010-04-08 16:50:29 +00:00
Devang Patel 2abed283e5 Remove dead code. 
llvm-svn: 100771
 2010-04-08 15:48:02 +00:00
Devang Patel adfd4df12c Delete out of date comment. 
llvm-svn: 100769
 2010-04-08 15:41:13 +00:00
Devang Patel f1d5a1e994 Refactor. 
llvm-svn: 100768
 2010-04-08 15:37:09 +00:00
Benjamin Kramer f2351a7a6e Remove unused method. 
llvm-svn: 100620
 2010-04-07 11:23:46 +00:00
Torok Edwin f8dba24a9b Workaround the breakage in r100616 by guarding all timers with 
TimePassesIsEnabled. This should allow make check to pass.

llvm-svn: 100618
 2010-04-07 10:44:46 +00:00
Bill Wendling fcc14141c7 Use the "NamedGroupTimer" class to categorize DWARF emission better. 
llvm-svn: 100616
 2010-04-07 09:28:04 +00:00
Devang Patel 019922d1b0 Do not emit specification DIE with DW_AT_specification attribute for member functions of a funcation local class. This trips gdb's partial scan of DIEs at load time. Fixes Radar 7833483. 
llvm-svn: 100586
 2010-04-06 23:53:48 +00:00
John McCall 796583eec0 Fix a number of clang -Wsign-compare warnings that didn't have an obvious 
solution.  The only reason these don't fire with gcc-4.2 is that gcc turns off
part of -Wsign-compare in C++ on accident.

llvm-svn: 100581
 2010-04-06 23:35:53 +00:00
Stuart Hastings 4bd3dd956f Reverting 100530 & 100531 due to regressions in the GDB test suite. 
llvm-svn: 100563
 2010-04-06 21:38:29 +00:00
Stuart Hastings c067196984 Revise debug info machinery to digest nested functions and classes. 
A certain GDB testsuite case (local.cc) has a function nested inside a
class nested inside another function.  GCC presents the innermost
function to llvm-convert first.  Heretofore, the debug info mistakenly
placed the inner function at module scope.  This patch walks the GCC
context links and instantiates the outer class and function so the
debug info is properly nested.  Radar 7426545.

llvm-svn: 100530
 2010-04-06 17:19:32 +00:00
Bill Wendling 30346347b3 Output floating point representations in DWARF format. This is done by outputing 
the FP encoding directly as a hex representation.

llvm-svn: 100487
 2010-04-05 22:59:21 +00:00
Chris Lattner 3f3fb970e4 prune #includes, realize the MMI can never be null. 
llvm-svn: 100407
 2010-04-05 05:24:55 +00:00
Chris Lattner f0d6bd3ef4 change AsmPrinter to use DwarfDebug/DwarfException directly 
instead of going through DwarfWriter.

llvm-svn: 100405
 2010-04-05 05:11:15 +00:00
Chris Lattner f5d0636850 trim some spurious references to DwarfWriter. SDIsel really doesn't 
need it anymore, so don't addRequire it.

llvm-svn: 100400
 2010-04-05 04:09:20 +00:00
Chris Lattner 196dbdc160 eliminate DwarfDebug::shouldEmit, which is the same now as MMI::hasDebugInfo 
llvm-svn: 100386
 2010-04-05 03:52:55 +00:00
Chris Lattner d2f5062c6d fix a regression on 2009-08-17-DebugInfo.m 
llvm-svn: 100385
 2010-04-05 03:49:26 +00:00