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llvm-mirror/test/Linker
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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
..
Inputs
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2002-07-17-GlobalFail.ll
…
2002-07-17-LinkTest2.ll
…
2002-08-20-ConstantExpr.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2003-01-30-LinkerRename.ll
Have a single way for creating unique value names.
2015-11-22 00:16:24 +00:00
2003-01-30-LinkerTypeRename.ll
…
2003-04-23-LinkOnceLost.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
2003-04-26-NullPtrLinkProblem.ll
…
2003-05-15-TypeProblem.ll
…
2003-05-31-LinkerRename.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
2003-06-02-TypeResolveProblem2.ll
…
2003-06-02-TypeResolveProblem.ll
…
2003-08-20-OpaqueTypeResolve.ll
…
2003-08-23-GlobalVarLinking.ll
…
2003-08-23-RecursiveOpaqueTypeResolve.ll
…
2003-08-24-InheritPtrSize.ll
…
2003-08-28-TypeResolvesGlobal2.ll
…
2003-08-28-TypeResolvesGlobal3.ll
…
2003-08-28-TypeResolvesGlobal.ll
…
2003-10-27-LinkOncePromote.ll
…
2003-11-18-TypeResolution.ll
…
2004-02-17-WeakStrongLinkage.ll
…
2004-05-07-TypeResolution1.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2004-05-07-TypeResolution2.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2004-12-03-DisagreeingType.ll
…
2005-02-12-ConstantGlobals-2.ll
…
2005-02-12-ConstantGlobals.ll
…
2005-12-06-AppendingZeroLengthArrays.ll
…
2006-01-19-ConstantPacked.ll
…
2008-03-05-AliasReference2.ll
…
2008-03-05-AliasReference.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
2008-03-07-DroppedSection_a.ll
…
2008-03-07-DroppedSection_b.ll
…
2008-06-13-LinkOnceRedefinition.ll
…
2008-06-26-AddressSpace.ll
…
2008-07-06-AliasFnDecl2.ll
…
2008-07-06-AliasFnDecl.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
2008-07-06-AliasWeakDest2.ll
…
2008-07-06-AliasWeakDest.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
2009-09-03-mdnode2.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2009-09-03-mdnode.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-04-DebugLoc2.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-04-DebugLoc.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-04-Metadata2.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-04-Metadata.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-18-unique-class-type2.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-18-unique-class-type.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-18-unique-debug-type2.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
2011-08-18-unique-debug-type.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
alias-2.ll
Fix PR26152.
2016-01-20 22:05:50 +00:00
alias.ll
Slit lib/Linker in two.
2015-12-10 14:19:35 +00:00
alignment.ll
Add a few extra cases to the test. NFC.
2014-12-05 00:02:42 +00:00
AppendingLinkage2.ll
…
AppendingLinkage.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
apple-version.ll
[LinkModules] Change the way ModuleLinker merges triples.
2015-02-13 00:40:41 +00:00
available_externally_a.ll
…
available_externally_b.ll
…
available_externally_over_decl.ll
Fix another case where the linkage was not set.
2015-12-10 18:44:26 +00:00
basiclink.ll
…
broken.ll
tools: Unify how verifyModule() is called
2015-03-31 03:07:23 +00:00
comdat2.ll
Change the .ll syntax for comdats and add a syntactic sugar.
2015-01-06 22:55:16 +00:00
comdat4.ll
Change the .ll syntax for comdats and add a syntactic sugar.
2015-01-06 22:55:16 +00:00
comdat5.ll
Change the .ll syntax for comdats and add a syntactic sugar.
2015-01-06 22:55:16 +00:00
comdat6.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
comdat7.ll
Change the .ll syntax for comdats and add a syntactic sugar.
2015-01-06 22:55:16 +00:00
comdat8.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
comdat9.ll
Fix lazy linking of comdat members.
2016-03-24 00:06:03 +00:00
comdat10.ll
Linker: Do not expect comdat to exist in source module.
2015-06-22 21:46:51 +00:00
comdat11.ll
Bring r254336 back:
2015-12-01 15:19:48 +00:00
comdat12.ll
Bring r254336 back:
2015-12-01 15:19:48 +00:00
comdat13.ll
Bring r254336 back:
2015-12-01 15:19:48 +00:00
comdat14.ll
Don't copy information from aliasee to alias.
2015-12-02 20:03:17 +00:00
comdat15.ll
Also copy private linkage globals when needed.
2015-12-02 20:57:33 +00:00
comdat16.ll
Fix logic for which symbols to keep with comdats.
2016-03-23 21:16:33 +00:00
comdat_group.ll
Pass .ll directly to llvm-link
2015-11-27 23:21:45 +00:00
comdat-rm-dst.ll
Drop comdats from the dst module if they are not selected.
2016-03-22 21:35:47 +00:00
comdat.ll
Change the .ll syntax for comdats and add a syntactic sugar.
2015-01-06 22:55:16 +00:00
ConstantGlobals.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
constructor-comdat.ll
Fix logic for which symbols to keep with comdats.
2016-03-23 21:16:33 +00:00
ctors2.ll
Correctly handle llvm.global_ctors merging.
2015-11-29 03:29:42 +00:00
ctors3.ll
Fix another llvm.ctors merging bug.
2015-11-30 18:54:24 +00:00
ctors4.ll
Add an interesting case we already get right.
2015-12-02 15:02:43 +00:00
ctors5.ll
Change how the linker handles the old llvm.global_ctors.
2015-12-07 13:24:23 +00:00
ctors.ll
Avoid writing to source directory of tests
2015-11-30 20:36:23 +00:00
datalayout.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
DbgDeclare2.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
DbgDeclare.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
debug-info-version-a.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
debug-info-version-b.ll
DI: Disallow uniquable DICompileUnits
2015-08-03 17:26:41 +00:00
distinct-cycles.ll
Utils: Resolve cycles under distinct MDNodes
2015-02-04 19:44:34 +00:00
distinct.ll
Restore "Move metadata linking after lazy global materialization/linking."
2015-11-06 17:50:53 +00:00
dllstorage-a.ll
Copy dll storage in copyAttributes.
2014-02-13 05:11:35 +00:00
dllstorage-b.ll
Copy dll storage in copyAttributes.
2014-02-13 05:11:35 +00:00
drop-debug.ll
Use diagnostic handler in the LLVMContext
2015-12-14 23:17:03 +00:00
func-attrs-a.ll
Verify that attributes are not lost during linking.
2014-01-24 19:20:15 +00:00
func-attrs-b.ll
Verify that attributes are not lost during linking.
2014-01-24 19:20:15 +00:00
funcimport2.ll
Move summary creation out of llvm-as into opt
2016-04-12 21:35:18 +00:00
funcimport_appending_global.ll
Move summary creation out of llvm-as into opt
2016-04-12 21:35:18 +00:00
funcimport_comdat.ll
Move summary creation out of llvm-as into opt
2016-04-12 21:35:18 +00:00
funcimport.ll
Move summary creation out of llvm-as into opt
2016-04-12 21:35:18 +00:00
global_ctors.ll
Simplify test. NFC.
2015-12-01 15:46:46 +00:00
ident.ll
[Linker] Add some test coverage for llvm.ident merging
2014-11-05 21:33:34 +00:00
inlineasm.ll
…
internalize-lazy.ll
Add a test showing that we internalize lazily linked GVs.
2015-12-08 02:38:14 +00:00
link-flags.ll
Simplify test. NFC.
2015-12-08 02:29:45 +00:00
link-global-to-func.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
link-type-names.ll
…
linkage2.ll
Merge alignment of common GlobalValue.
2014-09-09 17:48:18 +00:00
linkage.ll
…
linkmdnode2.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
linkmdnode.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
linknamedmdnode2.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
linknamedmdnode.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
LinkOnce.ll
…
lto-attributes.ll
Lazily link GlobalVariables and GlobalAliases.
2014-12-08 18:45:16 +00:00
mdlocation.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
metadata-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
metadata-b.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
metadata-function.ll
Linker: Copy over function metadata attachments
2015-04-24 22:07:31 +00:00
module-flags-1-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-1-b.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-2-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-2-b.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-3-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-3-b.ll
llvm-link: Verify input modules
2015-03-25 23:22:10 +00:00
module-flags-4-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-4-b.ll
llvm-link: Verify input modules
2015-03-25 23:22:10 +00:00
module-flags-5-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-5-b.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-6-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-6-b.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-7-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-7-b.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-8-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-8-b.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-dont-change-others.ll
Linker: Don't use MDNode::replaceOperandWith()
2015-01-07 21:32:27 +00:00
module-flags-pic-1-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
module-flags-pic-2-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
multiple-merged-structs.ll
…
only-needed-debug-metadata.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
only-needed-named-metadata.ll
Revert obsolete llvm-link -preserve-modules option/test
2016-01-21 14:28:52 +00:00
opaque.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
override-different-linkage.ll
Linker: Add flag to override linkage rules
2015-04-22 04:11:00 +00:00
override-with-internal-linkage-2.ll
Changed renaming of local symbols by inserting a dot vefore the numeric suffix.
2015-05-12 16:47:30 +00:00
override-with-internal-linkage.ll
Have a single way for creating unique value names.
2015-11-22 00:16:24 +00:00
override.ll
Linker: Add flag to override linkage rules
2015-04-22 04:11:00 +00:00
partial-type-refinement-link.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
partial-type-refinement.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
pr21374.ll
Ask the module for its the identified types.
2014-12-03 07:18:23 +00:00
pr21494.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
pr22807.ll
Remember to move a type to the correct set when setting the body.
2015-03-06 00:50:21 +00:00
pr26037.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
pr27044.ll
Fix another case where we were unconditionally linking linkonce GVs.
2016-03-24 15:23:01 +00:00
PR8300.ll
…
prologuedata.ll
Make this test less strict.
2015-11-29 14:53:06 +00:00
redefinition.ll
Unify and update link-messages.ll and redefinition.ll. NFC.
2014-10-31 16:52:30 +00:00
replaced-function-matches-first-subprogram.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
subprogram-linkonce-weak.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
targettriple.ll
lit: Add 'cd' support to the internal shell and port some tests
2015-03-02 21:33:18 +00:00
testlink.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
thinlto_funcimport_debug.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
transitive-lazy-link.ll
…
type-unique-alias.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
type-unique-dst-types.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
type-unique-inheritance.ll
Debug Info: In DIBuilder, the context fields of a TAG_inheritance and a
2013-09-09 23:07:58 +00:00
type-unique-name.ll
Set the body of a new struct as soon as it is created.
2014-11-25 15:33:40 +00:00
type-unique-odr-a.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-odr-b.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-opaque.ll
Add back r222727 with a fix.
2014-11-28 16:41:24 +00:00
type-unique-simple2-a.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-simple2-b.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-simple2.ll
Make the default triple optional by allowing an empty string
2015-09-16 05:34:32 +00:00
type-unique-simple-a.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-simple-b.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-src-type.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
type-unique-type-array-a.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-type-array-b.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
type-unique-unrelated.ll
Add an interesting test that we already get right. NFC.
2014-11-25 03:47:57 +00:00
unique-fwd-decl-a.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
unique-fwd-decl-order.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
uniqued-distinct-cycles.ll
Linker: Fix references to uniqued nodes after r243883
2015-08-04 06:42:31 +00:00
unnamed-addr1-a.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00
unnamed-addr1-b.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
unnamed-addr-err-a.ll
Error on linking appending globals with different unnamed_addr.
2013-09-04 15:33:34 +00:00
unnamed-addr-err-b.ll
Error on linking appending globals with different unnamed_addr.
2013-09-04 15:33:34 +00:00
visibility.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
weakextern.ll
Link declaration lazily.
2015-12-07 16:31:41 +00:00