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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 | 95ace5570124bd2af07c0a1c29269f8d02a1d35b (patch) | |
| tree | 739447fd381b2e720ad8a6cd334717c907333a57 /clang/lib | |
| parent | ee0707501053e6a026022237a5a08b70a37792fc (diff) | |
| download | bcm5719-llvm-95ace5570124bd2af07c0a1c29269f8d02a1d35b.tar.gz bcm5719-llvm-95ace5570124bd2af07c0a1c29269f8d02a1d35b.zip | |
This patch finalizes implementatin of weak_import
objective-c2 classes (radar 6815425).
llvm-svn: 89157
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CGObjCMac.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp index 2a89620ce9b..4355e66feec 100644 --- a/clang/lib/CodeGen/CGObjCMac.cpp +++ b/clang/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); } |
