Keep track of named mdnodes in a Module using an ilist.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77476 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp
index 35db8d25b5..c9d599eb95 100644
--- a/lib/VMCore/Module.cpp
+++ b/lib/VMCore/Module.cpp
@@ -67,6 +67,7 @@ Module::~Module() {
   FunctionList.clear();
   AliasList.clear();
   LibraryList.clear();
+  NamedMDList.clear();
   delete ValSymTab;
   delete TypeSymTab;
 }
@@ -288,6 +289,13 @@ GlobalAlias *Module::getNamedAlias(const StringRef &Name) const {
   return dyn_cast_or_null<GlobalAlias>(getNamedValue(Name));
 }
 
+/// getNamedMetadata - Return the first named MDNode in the module with the
+/// specified name. This method returns null if a MDNode with the specified
+/// name is not found.
+NamedMDNode *Module::getNamedMetadata(const StringRef &Name) const {
+  return dyn_cast_or_null<NamedMDNode>(getNamedValue(Name));
+}
+
 //===----------------------------------------------------------------------===//
 // Methods for easy access to the types in the module.
 //