1 files changed, 25 insertions, 0 deletions
diff --git a/clang/lib/AST/TemplateBase.cpp b/clang/lib/AST/TemplateBase.cpp
index b1c88f93b6a..099f939c7a7 100644
--- a/clang/lib/AST/TemplateBase.cpp
+++ b/clang/lib/AST/TemplateBase.cpp
@@ -243,6 +243,31 @@ Optional<unsigned> TemplateArgument::getNumTemplateExpansions() const {
   return None; 
 }
 
+QualType TemplateArgument::getNonTypeTemplateArgumentType() const {
+  switch (getKind()) {
+  case TemplateArgument::Null:
+  case TemplateArgument::Type:
+  case TemplateArgument::Template:
+  case TemplateArgument::TemplateExpansion:
+  case TemplateArgument::Pack:
+    return QualType();
+
+  case TemplateArgument::Integral:
+    return getIntegralType();
+
+  case TemplateArgument::Expression:
+    return getAsExpr()->getType();
+
+  case TemplateArgument::Declaration:
+    return getParamTypeForDecl();
+
+  case TemplateArgument::NullPtr:
+    return getNullPtrType();
+  }
+
+  llvm_unreachable("Invalid TemplateArgument Kind!");
+}
+
 void TemplateArgument::Profile(llvm::FoldingSetNodeID &ID,
                                const ASTContext &Context) const {
   ID.AddInteger(getKind());