Delete the CollectorNamePool if it should become empty.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44775 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/include/llvm/Support/StringPool.h b/include/llvm/Support/StringPool.h
index 7ac2b147c3..46087e4d1f 100644
--- a/include/llvm/Support/StringPool.h
+++ b/include/llvm/Support/StringPool.h
@@ -70,6 +70,10 @@ namespace llvm {
     /// reference-counted pointer to it. No additional memory is allocated if
     /// the string already exists in the pool.
     inline PooledStringPtr intern(const char *Str);
+    
+    /// empty - Checks whether the pool is empty. Returns true if so.
+    /// 
+    inline bool empty() const { return InternTable.empty(); }
   };
   
   /// PooledStringPtr - A pointer to an interned string. Use operator bool to