diff options
Diffstat (limited to 'clang/lib/CodeGen/CGDebugInfo.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index a8ab1c1c6b4..eff9d2284f0 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -3084,6 +3084,30 @@ void CGDebugInfo::EmitUsingDecl(const UsingDecl &UD) { getLineNumber(USD.getLocation())); } +llvm::DIImportedEntity +CGDebugInfo::EmitNamespaceAlias(const NamespaceAliasDecl &NA) { + if (CGM.getCodeGenOpts().getDebugInfo() < CodeGenOptions::LimitedDebugInfo) + return llvm::DIImportedEntity(0); + llvm::WeakVH &VH = NamespaceAliasCache[&NA]; + if (VH) + return llvm::DIImportedEntity(cast<llvm::MDNode>(VH)); + llvm::DIImportedEntity R(0); + if (const NamespaceAliasDecl *Underlying = + dyn_cast<NamespaceAliasDecl>(NA.getAliasedNamespace())) + // This could cache & dedup here rather than relying on metadata deduping. + R = DBuilder.createImportedModule( + getCurrentContextDescriptor(cast<Decl>(NA.getDeclContext())), + EmitNamespaceAlias(*Underlying), getLineNumber(NA.getLocation()), + NA.getName()); + else + R = DBuilder.createImportedModule( + getCurrentContextDescriptor(cast<Decl>(NA.getDeclContext())), + getOrCreateNameSpace(cast<NamespaceDecl>(NA.getAliasedNamespace())), + getLineNumber(NA.getLocation()), NA.getName()); + VH = R; + return R; +} + /// getOrCreateNamesSpace - Return namespace descriptor for the given /// namespace decl. llvm::DINameSpace |
