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| author | Fariborz Jahanian <fjahanian@apple.com> | 2009-11-17 22:42:00 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2009-11-17 22:42:00 +0000 |
| commit | 269f8bc10a33e29e2951df7720cad0abb45c74cb (patch) | |
| tree | 41f3435111fcd6d3cec2fe7c3964e02b5f935a9a /lib/CodeGen | |
| parent | 5fae856de2520b63fd371c281a9d36c1547e17f3 (diff) | |
This patch finalizes implementatin of weak_import
objective-c2 classes (radar 6815425).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89157 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGObjCMac.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp index 2a89620ce9..4355e66fee 100644 --- a/lib/CodeGen/CGObjCMac.cpp +++ b/lib/CodeGen/CGObjCMac.cpp @@ -5243,6 +5243,12 @@ llvm::Value *CGObjCNonFragileABIMac::EmitMetaClassRef(CGBuilderTy &Builder, /// decl. llvm::Value *CGObjCNonFragileABIMac::GetClass(CGBuilderTy &Builder, const ObjCInterfaceDecl *ID) { + if (ID->hasAttr<WeakImportAttr>()) { + std::string ClassName(getClassSymbolPrefix() + ID->getNameAsString()); + llvm::GlobalVariable *ClassGV = GetClassGlobal(ClassName); + ClassGV->setLinkage(llvm::GlobalValue::ExternalWeakLinkage); + } + return EmitClassRef(Builder, ID); } |