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a66e5da8be
llvm-mirror/test/Linker
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Teresa Johnson a66e5da8be Ensure ModuleLinker materializes complete comdat groups 
Summary:
The module linker lazy links some "discardable if unused" global
values (e.g. linkonce), materializing and linking them only
if they are referenced in the module. If a comdat group contains a
linkonce member that is not referenced, however, it would not be
materialized and linked, leading to an incomplete comdat group.

If there are other object files not part of the same LTO link that also
define and use that comdat group, the linker may select the incomplete
group leading to link time unsats.

To solve this, whenever a global value body is linked, make sure we
materialize any other members of the same comdat group that are not yet
materialized. This ensures they are in the lazy link list and get linked
as well.

Added new test and adjusted old test to remove parts that didn't
make sense with fix.

Reviewers: rafael

Subscribers: dexonsmith, davidxl, llvm-commits

Differential Revision: http://reviews.llvm.org/D14516

llvm-svn: 252647
2015-11-10 21:09:06 +00:00
..
Inputs Ensure ModuleLinker materializes complete comdat groups 2015-11-10 21:09:06 +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
2003-01-30-LinkerTypeRename.ll
2003-04-23-LinkOnceLost.ll
2003-04-26-NullPtrLinkProblem.ll
2003-05-15-TypeProblem.ll
2003-05-31-LinkerRename.ll
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 DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
2009-09-03-mdnode.ll DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
2011-08-04-DebugLoc2.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
2011-08-04-DebugLoc.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
2011-08-04-Metadata2.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
2011-08-04-Metadata.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
2011-08-18-unique-class-type2.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
2011-08-18-unique-class-type.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
2011-08-18-unique-debug-type2.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
2011-08-18-unique-debug-type.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
alias.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
alignment.ll
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
available_externally_a.ll
available_externally_b.ll
basiclink.ll
broken.ll tools: Unify how verifyModule() is called 2015-03-31 03:07:23 +00:00
comdat2.ll
comdat4.ll
comdat5.ll
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
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 [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
comdat10.ll Linker: Do not expect comdat to exist in source module. 2015-06-22 21:46:51 +00:00
comdat_group.ll Ensure ModuleLinker materializes complete comdat groups 2015-11-10 21:09:06 +00:00
comdat.ll
ConstantGlobals.ll
constructor-comdat.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
ctors.ll
datalayout.ll Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +00:00
DbgDeclare2.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
DbgDeclare.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
debug-info-version-a.ll DI: Disallow uniquable DICompileUnits 2015-08-03 17:26:41 +00:00
debug-info-version-b.ll DI: Disallow uniquable DICompileUnits 2015-08-03 17:26:41 +00:00
distinct-cycles.ll
distinct.ll Restore "Move metadata linking after lazy global materialization/linking." 2015-11-06 17:50:53 +00:00
dllstorage-a.ll
dllstorage-b.ll
drop-debug.ll Work around pr23045 and make it easier to reproduce. 2015-03-27 15:55:06 +00:00
func-attrs-a.ll
func-attrs-b.ll
funcimport.ll [ThinLTO] WeakAny fixes/cleanup 2015-11-10 18:20:11 +00:00
global_ctors.ll
ident.ll
inlineasm.ll
link-flags.ll Fix test check label. 2015-10-29 21:24:38 +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
linkage.ll
linkmdnode2.ll
linkmdnode.ll
linknamedmdnode2.ll
linknamedmdnode.ll
LinkOnce.ll
lto-attributes.ll
mdlocation.ll DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
metadata-a.ll
metadata-b.ll
metadata-function.ll Linker: Copy over function metadata attachments 2015-04-24 22:07:31 +00:00
module-flags-1-a.ll
module-flags-1-b.ll
module-flags-2-a.ll
module-flags-2-b.ll
module-flags-3-a.ll
module-flags-3-b.ll llvm-link: Verify input modules 2015-03-25 23:22:10 +00:00
module-flags-4-a.ll
module-flags-4-b.ll llvm-link: Verify input modules 2015-03-25 23:22:10 +00:00
module-flags-5-a.ll
module-flags-5-b.ll
module-flags-6-a.ll
module-flags-6-b.ll
module-flags-7-a.ll
module-flags-7-b.ll
module-flags-8-a.ll
module-flags-8-b.ll
module-flags-dont-change-others.ll
module-flags-pic-1-a.ll
module-flags-pic-2-a.ll
multiple-merged-structs.ll
only-needed-named-metadata.ll Ensure ModuleLinker materializes complete comdat groups 2015-11-10 21:09:06 +00:00
opaque.ll
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 Linker: Update -override testcase to check callers 2015-04-24 16:56:24 +00:00
override.ll Linker: Add flag to override linkage rules 2015-04-22 04:11:00 +00:00
partial-type-refinement-link.ll
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
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
PR8300.ll
prologuedata.ll
redefinition.ll
replaced-function-matches-first-subprogram.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
subprogram-linkonce-weak.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +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 Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +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
type-unique-inheritance.ll
type-unique-name.ll
type-unique-odr-a.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
type-unique-odr-b.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
type-unique-opaque.ll
type-unique-simple2-a.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
type-unique-simple2-b.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +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 DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
type-unique-simple-b.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
type-unique-src-type.ll
type-unique-type-array-a.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
type-unique-type-array-b.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
type-unique-unrelated.ll
unique-fwd-decl-a.ll
unique-fwd-decl-order.ll
uniqued-distinct-cycles.ll Linker: Fix references to uniqued nodes after r243883 2015-08-04 06:42:31 +00:00
unnamed-addr1-a.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +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
unnamed-addr-err-b.ll
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