If a method is virtual and the class key function is in another file, emit the method as available_externally.

Fixes PR6747 llvm-svn: 101757
2010-04-19 00:44:22 +00:00
parent 3fef72f0ba
commit 683fe4fc4c
3 changed files with 28 additions and 1 deletions
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -314,7 +314,14 @@ GetLinkageForFunction(ASTContext &Context, const FunctionDecl *FD,
  if (FD->getTemplateSpecializationKind() 
                                       == TSK_ExplicitInstantiationDeclaration)
    return CodeGenModule::GVA_C99Inline;
-  
+
+  if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
+    const CXXRecordDecl *RD = MD->getParent();
+    if (MD->isVirtual() &&
+	CodeGenVTables::isKeyFunctionInAnotherTU(Context, RD))
+      return CodeGenModule::GVA_C99Inline;
+  }  
+
  return CodeGenModule::GVA_CXXInline;
 }