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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223470 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-12-05 15:42:30 +00:00
parent c4c08aab64
commit 46cbde27ce
1 changed files with 20 additions and 20 deletions
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40
lib/Linker/LinkModules.cpp
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@@ -1028,30 +1028,30 @@ bool ModuleLinker::linkGlobalValueProto(GlobalValue *SGV) {
else else
NewGV = linkGlobalAliasProto(cast<GlobalAlias>(SGV), DGV, LinkFromSrc); NewGV = linkGlobalAliasProto(cast<GlobalAlias>(SGV), DGV, LinkFromSrc);
if (NewGV) { if (!NewGV)
if (NewGV != DGV) return false;
copyGVAttributes(NewGV, SGV);
NewGV->setUnnamedAddr(HasUnnamedAddr); if (NewGV != DGV)
NewGV->setVisibility(Visibility); copyGVAttributes(NewGV, SGV);
if (auto *NewGO = dyn_cast<GlobalObject>(NewGV)) { NewGV->setUnnamedAddr(HasUnnamedAddr);
if (C) NewGV->setVisibility(Visibility);
NewGO->setComdat(C);
if (DGV && DGV->hasCommonLinkage() && SGV->hasCommonLinkage()) if (auto *NewGO = dyn_cast<GlobalObject>(NewGV)) {
NewGO->setAlignment(std::max(DGV->getAlignment(), SGV->getAlignment())); if (C)
} NewGO->setComdat(C);
// Make sure to remember this mapping. if (DGV && DGV->hasCommonLinkage() && SGV->hasCommonLinkage())
if (NewGV != DGV) { NewGO->setAlignment(std::max(DGV->getAlignment(), SGV->getAlignment()));
if (DGV) { }
DGV->replaceAllUsesWith(
ConstantExpr::getBitCast(NewGV, DGV->getType())); // Make sure to remember this mapping.
DGV->eraseFromParent(); if (NewGV != DGV) {
} if (DGV) {
ValueMap[SGV] = NewGV; DGV->replaceAllUsesWith(ConstantExpr::getBitCast(NewGV, DGV->getType()));
DGV->eraseFromParent();
} }
ValueMap[SGV] = NewGV;
} }
return false; return false;