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Diffstat (limited to 'lib/CodeGen/CodeGenModule.cpp')
-rw-r--r--lib/CodeGen/CodeGenModule.cpp15
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 7432b01e25..ccba324aa0 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -264,7 +264,8 @@ void CodeGenModule::SetGlobalValueAttributes(const Decl *D,
} else
GV->setLinkage(llvm::Function::DLLImportLinkage);
}
- }
+ } else if (D->getAttr<WeakAttr>())
+ GV->setLinkage(llvm::Function::ExternalWeakLinkage);
} else {
if (IsInternal) {
GV->setLinkage(llvm::Function::InternalLinkage);
@@ -287,11 +288,10 @@ void CodeGenModule::SetGlobalValueAttributes(const Decl *D,
setGlobalVisibility(GV, attr->getVisibility());
// FIXME: else handle -fvisibility
- if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) {
- // Prefaced with special LLVM marker to indicate that the name
- // should not be munged.
+ // Prefaced with special LLVM marker to indicate that the name
+ // should not be munged.
+ if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>())
GV->setName("\01" + ALA->getLabel());
- }
if (const SectionAttr *SA = D->getAttr<SectionAttr>())
GV->setSection(SA->getName());
@@ -598,8 +598,13 @@ void CodeGenModule::EmitGlobalDefinition(const ValueDecl *D) {
GV->setConstant(D->getType().isConstant(Context));
+ // FIXME: Merge with other attribute handling code.
+
if (D->getStorageClass() == VarDecl::PrivateExtern)
setGlobalVisibility(GV, VisibilityAttr::HiddenVisibility);
+
+ if (D->getAttr<WeakAttr>())
+ GV->setLinkage(llvm::GlobalValue::ExternalWeakLinkage);
}
// Make sure the result is of the correct type.