Teresa Johnson 89c5c63c3c [ThinLTO] Prevent importing of "llvm.used" values ... Summary: This patch prevents importing from (and therefore exporting from) any module with a "llvm.used" local value. Local values need to be promoted and renamed when importing, and their presense on the llvm.used variable indicates that there are opaque uses that won't see the rename. One such example is a use in inline assembly. See also the discussion at: http://lists.llvm.org/pipermail/llvm-dev/2016-April/098047.html As part of this, move collectUsedGlobalVariables out of Transforms/Utils and into IR/Module so that it can be used more widely. There are several other places in LLVM that used copies of this code that can be cleaned up as a follow on NFC patch. Reviewers: joker.eph Subscribers: pcc, llvm-commits, joker.eph Differential Revision: http://reviews.llvm.org/D18986 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266877 91177308-0d34-0410-b5e6-96231b3b80d8		2016-04-20 14:39:45 +00:00
..
ADCE	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
AddDiscriminators	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
AlignmentFromAssumptions
ArgumentPromotion	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
AtomicExpand	ARM: use a pseudo-instruction for cmpxchg at -O0.	2016-04-18 21:48:55 +00:00
BBVectorize
BDCE
BranchFolding
CodeExtractor
CodeGenPrepare	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
ConstantHoisting	ARM: don't try to hoist constant RHS out of a division.	2016-04-15 18:17:18 +00:00
ConstantMerge
ConstProp
CorrelatedValuePropagation
CrossDSOCFI
DeadArgElim	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
DeadStoreElimination	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
EarlyCSE
EliminateAvailableExternally
Float2Int
ForcedFunctionAttrs
FunctionAttrs	Don't IPO over functions that can be de-refined	2016-04-08 00:48:30 +00:00
FunctionImport	[ThinLTO] Prevent importing of "llvm.used" values	2016-04-20 14:39:45 +00:00
GCOVProfiling	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
GlobalDCE
GlobalOpt	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
GVN	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
IndVarSimplify	[LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC.	2016-04-19 23:51:52 +00:00
InferFunctionAttrs
Inline	Revert "Replace the use of MaxFunctionCount module flag"	2016-04-18 15:31:11 +00:00
InstCombine	[InstCombine][X86] Added extra tests introduced for D17490	2016-04-19 12:59:52 +00:00
InstMerge
InstSimplify	[ValueTracking] Correct lit test comments. NFC.	2016-04-18 19:11:45 +00:00
Internalize
IPConstantProp	Don't IPO over functions that can be de-refined	2016-04-08 00:48:30 +00:00
IRCE
JumpThreading	[ValueTracking] Improve isImpliedCondition for conditions with matching operands.	2016-04-19 17:19:14 +00:00
LCSSA
LICM	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
LoadCombine
LoopDataPrefetch
LoopDeletion
LoopDistribute
LoopIdiom	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
LoopInterchange
LoopLoadElim
LoopReroll	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
LoopRotate	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
LoopSimplify	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
LoopSimplifyCFG
LoopStrengthReduce	Don't delete empty preheaders in CodeGenPrepare if it would create a critical edge	2016-04-05 14:06:20 +00:00
LoopUnroll	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
LoopUnswitch
LoopVectorize	[ARM] AArch32 v8 NEON is still not IEEE-754 compliant	2016-04-18 12:06:47 +00:00
LoopVersioning
LoopVersioningLICM
LowerAtomic
LowerBitSets	[cfi] Support explicit sections for functions in cfi-icall.	2016-04-15 22:55:38 +00:00
LowerExpectIntrinsic
LowerGuardIntrinsic
LowerInvoke
LowerSwitch
Mem2Reg	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
MemCpyOpt
MergeFunc	MergeFunctions: test alloca better	2016-04-12 00:03:26 +00:00
MetaRenamer
NameAnonFunctions	Add a pass to name anonymous/nameless function	2016-04-12 21:35:28 +00:00
NaryReassociate
ObjCARC	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
PartiallyInlineLibCalls
PGOProfile	[PGO] Avoid instrumenting direct callee's at value sites.	2016-04-04 18:56:36 +00:00
PhaseOrdering
PlaceSafepoints
PruneEH
Reassociate
Reg2Mem
RewriteStatepointsForGC	[RS4GC] Better codegen for deoptimize calls	2016-04-05 23:18:35 +00:00
SafeStack	[AArch64] [ARM] Make a target-independent llvm.thread.pointer intrinsic.	2016-04-19 20:51:05 +00:00
SampleProfile	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
Scalarizer	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
ScalarRepl	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
SCCP	Don't IPO over functions that can be de-refined	2016-04-08 00:48:30 +00:00
SeparateConstOffsetFromGEP
SimplifyCFG	[LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC.	2016-04-19 23:51:52 +00:00
Sink
SLPVectorizer	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
SpeculativeExecution	Move divergent-target test into CodeGen/NVPTX because it requires an NVPTX target.	2016-04-15 01:20:52 +00:00
SROA	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
StraightLineStrengthReduce
StripDeadPrototypes
StripSymbols	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
StructurizeCFG	AMDGPU: Remove leftover ShaderType attributes in tests	2016-04-13 00:39:48 +00:00
TailCallElim
Util	[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.	2016-04-15 15:57:41 +00:00
WholeProgramDevirt