Teach getCXXRecordDeclForPointerType about references.

Then, rename it getPointeeCXXRecordDecl and give it a nice doc comment,
and actually use it.

No intended functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165077 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 3 deletions

diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index 9db41c4b1e..218e6e9a4d 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -512,10 +512,18 @@ const ObjCObjectPointerType *Type::getAsObjCInterfacePointerType() const {
   return 0;
 }
 
-const CXXRecordDecl *Type::getCXXRecordDeclForPointerType() const {
+const CXXRecordDecl *Type::getPointeeCXXRecordDecl() const {
+  QualType PointeeType;
   if (const PointerType *PT = getAs<PointerType>())
-    if (const RecordType *RT = PT->getPointeeType()->getAs<RecordType>())
-      return dyn_cast<CXXRecordDecl>(RT->getDecl());
+    PointeeType = PT->getPointeeType();
+  else if (const ReferenceType *RT = getAs<ReferenceType>())
+    PointeeType = RT->getPointeeType();
+  else
+    return 0;
+
+  if (const RecordType *RT = PointeeType->getAs<RecordType>())
+    return dyn_cast<CXXRecordDecl>(RT->getDecl());
+
   return 0;
 }