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0d8bc759d0
Internalizing an individual comdat group member without also internalizing the other members of the comdat can break comdat semantics. For example, if a module contains a reference to an internalized comdat member, and the linker chooses a comdat group from a different object file, this will break the reference to the internalized member. This change causes the internalizer to only internalize comdat members if all other members of the comdat are not externally visible. Once a comdat group has been fully internalized, there is no need to apply comdat rules to its members; later optimization passes (e.g. globaldce) can legally drop individual members of the comdat. So we drop the comdat attribute from all comdat members. Differential Revision: http://reviews.llvm.org/D10679 llvm-svn: 242423 |
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| .. | ||
| ADCE | ||
| AddDiscriminators | ||
| AlignmentFromAssumptions | ||
| ArgumentPromotion | ||
| AtomicExpand/ARM | ||
| BBVectorize | ||
| BDCE | ||
| BranchFolding | ||
| CodeExtractor | ||
| CodeGenPrepare | ||
| ConstantHoisting | ||
| ConstantMerge | ||
| ConstProp | ||
| CorrelatedValuePropagation | ||
| DeadArgElim | ||
| DeadStoreElimination | ||
| EarlyCSE | ||
| EliminateAvailableExternally | ||
| Float2Int | ||
| FunctionAttrs | ||
| GCOVProfiling | ||
| GlobalDCE | ||
| GlobalOpt | ||
| GVN | ||
| IndVarSimplify | ||
| Inline | ||
| InstCombine | ||
| InstMerge | ||
| InstSimplify | ||
| Internalize | ||
| IPConstantProp | ||
| IRCE | ||
| JumpThreading | ||
| LCSSA | ||
| LICM | ||
| LoadCombine | ||
| LoopDeletion | ||
| LoopDistribute | ||
| LoopIdiom | ||
| LoopInterchange | ||
| LoopReroll | ||
| LoopRotate | ||
| LoopSimplify | ||
| LoopStrengthReduce | ||
| LoopUnroll | ||
| LoopUnswitch | ||
| LoopVectorize | ||
| LowerAtomic | ||
| LowerBitSets | ||
| LowerExpectIntrinsic | ||
| LowerInvoke | ||
| LowerSwitch | ||
| Mem2Reg | ||
| MemCpyOpt | ||
| MergeFunc | ||
| MetaRenamer | ||
| NaryReassociate | ||
| ObjCARC | ||
| PartiallyInlineLibCalls | ||
| PhaseOrdering | ||
| PlaceSafepoints | ||
| PruneEH | ||
| Reassociate | ||
| Reg2Mem | ||
| RewriteStatepointsForGC | ||
| SafeStack | ||
| SampleProfile | ||
| Scalarizer | ||
| ScalarRepl | ||
| SCCP | ||
| SeparateConstOffsetFromGEP | ||
| SimplifyCFG | ||
| Sink | ||
| SLPVectorizer | ||
| SpeculativeExecution | ||
| SROA | ||
| StraightLineStrengthReduce | ||
| StripSymbols | ||
| StructurizeCFG | ||
| TailCallElim | ||
| TailDup | ||
| Util | ||