diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/GlobalDCE.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/GlobalDCE.cpp | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/llvm/lib/Transforms/IPO/GlobalDCE.cpp b/llvm/lib/Transforms/IPO/GlobalDCE.cpp index f30e69ccbcd..4c74698a1b6 100644 --- a/llvm/lib/Transforms/IPO/GlobalDCE.cpp +++ b/llvm/lib/Transforms/IPO/GlobalDCE.cpp @@ -96,21 +96,14 @@ PreservedAnalyses GlobalDCEPass::run(Module &M, ModuleAnalysisManager &) { ComdatMembers.insert(std::make_pair(C, &GA)); // Loop over the module, adding globals which are obviously necessary. - for (Function &F : M) { - Changed |= RemoveUnusedGlobalValue(F); - // Functions with external linkage are needed if they have a body - if (!F.isDeclaration() && !F.hasAvailableExternallyLinkage()) - if (!F.isDiscardableIfUnused()) - GlobalIsNeeded(&F); - } - - for (GlobalVariable &GV : M.globals()) { - Changed |= RemoveUnusedGlobalValue(GV); + for (GlobalObject &GO : M.global_objects()) { + Changed |= RemoveUnusedGlobalValue(GO); + // Functions with external linkage are needed if they have a body. // Externally visible & appending globals are needed, if they have an // initializer. - if (!GV.isDeclaration() && !GV.hasAvailableExternallyLinkage()) - if (!GV.isDiscardableIfUnused()) - GlobalIsNeeded(&GV); + if (!GO.isDeclaration() && !GO.hasAvailableExternallyLinkage()) + if (!GO.isDiscardableIfUnused()) + GlobalIsNeeded(&GO); } for (GlobalAlias &GA : M.aliases()) { |
