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llvm-mirror/test/DebugInfo
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Adrian Prantl fb3abba237 [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 
Currently each Function points to a DISubprogram and DISubprogram has a
scope field. For member functions the scope is a DICompositeType. DIScopes
point to the DICompileUnit to facilitate type uniquing.

Distinct DISubprograms (with isDefinition: true) are not part of the type
hierarchy and cannot be uniqued. This change removes the subprograms
list from DICompileUnit and instead adds a pointer to the owning compile
unit to distinct DISubprograms. This would make it easy for ThinLTO to
strip unneeded DISubprograms and their transitively referenced debug info.

Motivation
----------

Materializing DISubprograms is currently the most expensive operation when
doing a ThinLTO build of clang.

We want the DISubprogram to be stored in a separate Bitcode block (or the
same block as the function body) so we can avoid having to expensively
deserialize all DISubprograms together with the global metadata. If a
function has been inlined into another subprogram we need to store a
reference the block containing the inlined subprogram.

Attached to https://llvm.org/bugs/show_bug.cgi?id=27284 is a python script
that updates LLVM IR testcases to the new format.

http://reviews.llvm.org/D19034
<rdar://problem/25256815>

llvm-svn: 266446
2016-04-15 15:57:41 +00:00
..
AArch64 [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
ARM [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
COFF [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
Generic [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
Inputs [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
Lanai [lanai] Add Lanai backend. 2016-03-28 13:09:54 +00:00
Mips [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
MIR [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
PDB Fix some display bugs in llvm-pdbdump. 2016-04-11 20:39:17 +00:00
PowerPC [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
Sparc [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
SystemZ [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
X86 [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
arm-relocs.test
debuglineinfo-macho.test [DWARF] Fix a bug in line info handling 2015-05-31 23:37:04 +00:00
debuglineinfo.test [DWARF] Fix a bug in line info handling 2015-05-31 23:37:04 +00:00
debugmacinfo.test Fix several accidental DOS line endings in source files 2016-01-03 17:22:03 +00:00
dwarfdump-64-bit-dwarf.test DebugInfo: .debug_line DWARF64 support 2015-05-28 15:38:17 +00:00
dwarfdump-accel.test Fix a bunch of trivial cases of 'CHECK[^:]*$' in the tests. NFCI 2015-08-10 19:01:27 +00:00
dwarfdump-debug-frame-simple.test [dwarfdump] Make debug_frame dump actually useful. 2015-02-25 21:30:22 +00:00
dwarfdump-debug-loc-simple.test
dwarfdump-dump-flags.test [dwarfdump] Ignore scattered relocations for mach-o. 2015-07-31 20:22:50 +00:00
dwarfdump-dwp.test dwarfdump: Correctly indentify the indicies for DWP records 2015-12-03 18:41:59 +00:00
dwarfdump-invalid.test Make llvm-dwarfdump exit with non-zero exit code if error was occured. 2015-06-25 23:40:15 +00:00
dwarfdump-line-dwo.test
dwarfdump-macho-relocs.test [dwarfdump] Do not apply relocations in mach-o files if there is no LoadedObjectInfo. 2015-08-23 04:44:21 +00:00
dwarfdump-macho-universal.test Don't use test inputs from other directories. 2015-08-03 11:59:45 +00:00
dwarfdump-objc.test [dwarfdump] Prettyprint DW_AT_APPLE_property_attribute bitfield values. 2014-10-10 15:51:10 +00:00
dwarfdump-pubnames.test
dwarfdump-ranges.test [dwarfdump] Dump DW_AT_ranges values inline in the debug_info dump. 2014-10-23 04:08:34 +00:00
dwarfdump-type-units.test
dwarfdump-zlib.test Kill symbolization functionality in llvm-dwarfdump. We have llvm-symbolizer for that. 2014-05-19 18:45:32 +00:00
dwo.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
llvm-symbolizer-zlib.test Kill symbolization functionality in llvm-dwarfdump. We have llvm-symbolizer for that. 2014-05-19 18:45:32 +00:00
llvm-symbolizer.test Fix the test case for Windows. 2015-11-04 01:09:37 +00:00
member-pointers.o Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
missing-abstract-variable.o Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
skeletoncu.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00