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117 Commits

Author SHA1 Message Date
David Blaikie 753c6e4eb2 DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers 
This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

Originally committed as r197073 and reverted in r197079.
Recommitted as r197197 to reproduce the failure and reverted as r197199

Turns out there was unstable ordering in the type unit dumping code.
Fixed by using MapVector in DWARFContext to store the debug_types
comdat sections.

llvm-svn: 197210
 2013-12-13 06:27:38 +00:00
David Blaikie 6201712bb0 Revert "DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers" 
This reverts commit r197197.

llvm-svn: 197199
 2013-12-13 01:24:54 +00:00
David Blaikie baaf74d4ca DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers 
This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

Originally committed as r197073 and reverted in r197079.

This commit originally got jumbled up with another build-breaking commit
and I can't find the failures I thought this caused anymore.
Recommitting to hopefully get some clean buildbot results to work from.
I have a sneaking suspicion there's unstable output in the comdat group
output of MCStreamer...

llvm-svn: 197197
 2013-12-13 01:06:41 +00:00
David Blaikie 727747eb29 Revert "DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers" 
This reverts commit r197073.

The test seems to be failing on some buildbots for unknown reasons.
Reverting until I can figure that out. If anyone's got a reproduction
(.s and .o together would be great) - I'd really appreciate it.

llvm-svn: 197079
 2013-12-11 22:08:39 +00:00
David Blaikie 4fe3c00eed DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers 
This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

llvm-svn: 197073
 2013-12-11 21:36:27 +00:00
David Blaikie 3332d4c75f DwarfUnit: LLVM_OVERRIDE and constify some functions 
llvm-svn: 197072
 2013-12-11 21:14:02 +00:00
Eric Christopher 4287a49913 Rename CompileUnit->DwarfCompileUnit and TypeUnit->DwarfTypeUnit for 
clarity. No functional change.

llvm-svn: 196844
 2013-12-09 23:57:44 +00:00
Eric Christopher a5a7942297 Rename Unit->DwarfUnit to match the file name and make it a bit less 
ambiguous. Reformat to match.

llvm-svn: 196838
 2013-12-09 23:32:48 +00:00
David Blaikie 1ab7c2dab4 DwarfDebug/Unit: Remove another case of label recreation by storing the gnu_ranges label in the unit. 
llvm-svn: 196793
 2013-12-09 17:51:30 +00:00
David Blaikie 7d73460218 DebugInfo: Move unit begin/end labels into the unit 
This removes another case of spooky action at a distance (building the
same label names in multiple places creating an implicit dependency
between those places) and helps pave the way for type units.

llvm-svn: 196617
 2013-12-06 22:33:05 +00:00
David Blaikie 03073f747e DebugInfo: Include the section and start-of-section label in the unit 
This is a precursor to moving type units into the correct (debug_types)
section with comdat groups and full type unit headers.

llvm-svn: 196615
 2013-12-06 22:14:48 +00:00
Eric Christopher f8194853ff Rename DwarfUnits to DwarfFile to help avoid some naming confusion. 
llvm-svn: 196519
 2013-12-05 18:06:10 +00:00
Eric Christopher f8790646b2 Make RangeSpanList take a symbol for the beginning of the range 
rather than magically making the names match.

llvm-svn: 196419
 2013-12-04 22:04:50 +00:00
Eric Christopher 270ba4a5d3 Use move and stack allocation for RangeSpanLists. As a result make 
a few things more const as well because we're now using const
references to refer to iterators.

llvm-svn: 196398
 2013-12-04 19:06:58 +00:00
Eric Christopher 0f63d06d64 Make ranges and range lists be a discrete entity that can be located 
and emitted per function and CU. Begins coalescing ranges as a first
class entity through debug info. No functional change.

llvm-svn: 196178
 2013-12-03 00:45:45 +00:00
David Blaikie 2a80e4426c DebugInfo: Rename generic unit references to "TheU" instead of TheCU now that they might be type units instead of compile units. 
CR feedback from Eric Christopher on r196139.

llvm-svn: 196159
 2013-12-02 22:09:48 +00:00
David Blaikie 2c86a72331 DebugInfo: Rename DwarfCompileUnit.* to DwarfUnit.* to match their contents. 
llvm-svn: 196140
 2013-12-02 19:33:15 +00:00