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365 Commits

Author SHA1 Message Date
Devang Patel a6d20f446f 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 9b5005cd4b Added a comment. 
llvm-svn: 106063
 2010-06-15 23:06:30 +00:00
Stuart Hastings afe54f1625 Support for nested functions/classes in debug output. (Again.) Radar 7424645. 
llvm-svn: 105828
 2010-06-11 20:08:44 +00:00
Stuart Hastings 3ca391027f Revert 105492 & 105493 due to a testcase regression. Radar 7424645. 
llvm-svn: 105511
 2010-06-05 00:39:29 +00:00
Stuart Hastings 7c015988fe Support for nested functions/classes in debug output. Radar 7424645. 
llvm-svn: 105492
 2010-06-04 22:36:03 +00:00
Devang Patel c2254f6b98 Skip identical instruction while calculating DBG_VALUE range. 
llvm-svn: 105340
 2010-06-02 19:05:13 +00:00
Devang Patel 21ccf05b4c Use local small vector. 
llvm-svn: 105332
 2010-06-02 16:42:51 +00:00
Devang Patel d43e0ca916 Ignore line number of debug value in undefined register. 
llvm-svn: 105292
 2010-06-01 21:43:09 +00:00
Stuart Hastings c1e216583f Revert 104841, 104842, 104876 due to buildbot failures. Radar 7424645. 
llvm-svn: 104953
 2010-05-28 16:41:07 +00:00
Devang Patel 7a9dedf0ab Do not drop location info for inlined function args. 
llvm-svn: 104884
 2010-05-27 20:25:04 +00:00
Devang Patel 5e6b71ce34 inlined function's arguments need a label to mark the start point because they are not directly attached to current function. 
llvm-svn: 104848
 2010-05-27 16:47:30 +00:00
Stuart Hastings 8e99e50d08 Support for nested functions/classes in debug output. Radar 7424645. 
llvm-svn: 104841
 2010-05-27 16:16:54 +00:00
Devang Patel 6b9a9fe207 Simplify. Eliminate unneeded debug_loc entry. 
llvm-svn: 104785
 2010-05-26 23:55:23 +00:00
Devang Patel acc32a5c19 There is no need to force an line number entry (using previous location) for a temp label at unknown location. 
llvm-svn: 104740
 2010-05-26 21:23:46 +00:00
Devang Patel 002d54ddc9 Identify instructions, that needs a label to mark debug info entity, in advance. This simplifies beginScope(). 
llvm-svn: 104720
 2010-05-26 19:37:24 +00:00
Devang Patel 95fcc96752 Remove dead code. 
llvm-svn: 104706
 2010-05-26 17:42:50 +00:00
Devang Patel 5a5e0bc3b5 Do not construct location list backword! 
llvm-svn: 104705
 2010-05-26 17:29:32 +00:00
Devang Patel 9fc11706e3 First cut at supporting .debug_loc section. 
This is used to track variable information.

llvm-svn: 104649
 2010-05-25 23:40:22 +00:00
Devang Patel 51b37e0bd8 Do not emit line number entries for unknown debug values. 
This fixes recent regression in store.exp from gdb testsuite.

llvm-svn: 104524
 2010-05-24 18:26:49 +00:00
Devang Patel 4a8e6e83dc Collect variable information during endFunction() instead of beginFunction(). 
llvm-svn: 104412
 2010-05-22 00:04:14 +00:00
Devang Patel 1782aae355 Simplify 
llvm-svn: 104338
 2010-05-21 18:49:09 +00:00
Devang Patel fbd6c45e06 Simplify. 
llvm-svn: 104302
 2010-05-21 00:10:20 +00:00
Devang Patel 490c8ab76d Refactor. 
llvm-svn: 104265
 2010-05-20 19:57:06 +00:00
Devang Patel e1c53f29d3 Split DbgVariable. Eventually, variable info will be communicated through frame index, or DBG_VALUE instruction, or collection of DBG_VALUE instructions. Plus each DbgVariable may not need a label. 
llvm-svn: 104233
 2010-05-20 16:36:41 +00:00
Devang Patel a08130864e Revert r104165. 
llvm-svn: 104172
 2010-05-19 21:58:28 +00:00
Devang Patel 0fe341e2e2 There is no need to maintain InsnsBeginScopeSet separately. 
llvm-svn: 104165
 2010-05-19 21:26:53 +00:00
Devang Patel 36debf8046 Do not forget to mark prcessed arguments. 
llvm-svn: 103822
 2010-05-14 21:55:50 +00:00
Devang Patel e0a94bfe9f 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
Devang Patel 1a0df9a80e Enable multiple Compile Units in one module. 
This means now 'llvm-ld a.bc b.bc' will preserve debug info appropriately.

llvm-svn: 103439
 2010-05-10 22:49:55 +00:00
Devang Patel 0625af2a88 Instead of just verifying compile unit, verify entire type, variable, namespace etc.. 
llvm-svn: 103327
 2010-05-07 23:33:41 +00:00
Devang Patel cbe7a8508a Remove DIGlobal. 
llvm-svn: 103325
 2010-05-07 23:19:07 +00:00
Devang Patel 8d6a2b7428 Verify entire type descriptor not just tag. 
llvm-svn: 103303
 2010-05-07 21:45:47 +00:00
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