Start canonicalizing template names. This is not yet complete, but it
improves type identity with dependent types.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71152 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index c1a232c..3b1a11c 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1700,6 +1700,17 @@
VAT->getIndexTypeQualifier());
}
+TemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) {
+ // If this template name refers to a template, the canonical
+ // template name merely stores the template itself.
+ if (TemplateDecl *Template = Name.getAsTemplateDecl())
+ return TemplateName(Template);
+
+ DependentTemplateName *DTN = Name.getAsDependentTemplateName();
+ assert(DTN && "Non-dependent template names must refer to template decls.");
+ return DTN->CanonicalTemplateName;
+}
+
NestedNameSpecifier *
ASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) {
if (!NNS)