Add classof() methods so that dwarf writer can decide what DIDescriptor is in its hand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61740 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 8b802d7fff..b5ff34ecaf 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -181,6 +181,11 @@ unsigned DIArray::getNumElements() const {
   return C->getNumOperands();
 }
 
+/// isSubrange - Return true if the specified tag is legal for DISubrange.
+bool DISubrange::isSubrange(unsigned Tag) {
+  return Tag == dwarf::DW_TAG_subrange_type;
+}
+
 //===----------------------------------------------------------------------===//
 // DIFactory: Basic Helpers
 //===----------------------------------------------------------------------===//