lib/CodeGen/CGDebugInfo.cpp

151   if (const NamespaceDecl *NSDecl = dyn_cast<NamespaceDecl>(Context))
152     return getOrCreateNameSpace(NSDecl);
2482       if (const NamespaceDecl *NSDecl =
2484         FDContext = getOrCreateNameSpace(NSDecl);
3233 CGDebugInfo::getOrCreateNameSpace(const NamespaceDecl *NSDecl) {
3234   NSDecl = NSDecl->getCanonicalDecl();
3236     NameSpaceCache.find(NSDecl);
3240   unsigned LineNo = getLineNumber(NSDecl->getLocation());
3241   llvm::DIFile FileD = getOrCreateFile(NSDecl->getLocation());
3243     getContextDescriptor(dyn_cast<Decl>(NSDecl->getDeclContext()));
3245     DBuilder.createNameSpace(Context, NSDecl->getName(), FileD, LineNo);
3246   NameSpaceCache[NSDecl] = llvm::WeakVH(NS);