[llvm-commits] [llvm] r94600 - /llvm/trunk/include/llvm/ValueSymbolTable.h

[Devang Patel]

Author: dpatel
Date: Tue Jan 26 16:03:41 2010
New Revision: 94600

URL: http://llvm.org/viewvc/llvm-project?rev=94600&view=rev
Log:
Before existing NamedMDNode entry in the symbol table, remove any existing entry with the same name.

Modified:
    llvm/trunk/include/llvm/ValueSymbolTable.h

Modified: llvm/trunk/include/llvm/ValueSymbolTable.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ValueSymbolTable.h?rev=94600&r1=94599&r2=94600&view=diff

==============================================================================
--- llvm/trunk/include/llvm/ValueSymbolTable.h (original)
+++ llvm/trunk/include/llvm/ValueSymbolTable.h Tue Jan 26 16:03:41 2010
@@ -194,9 +194,15 @@
 /// @name Mutators
 /// @{
 public:
-  /// insert - The method inserts a new entry into the stringmap.
+  /// insert - The method inserts a new entry into the stringmap. This will
+  /// replace existing entry, if any.
   void insert(StringRef Name,  NamedMDNode *Node) {
-    (void) mmap.GetOrCreateValue(Name, Node);
+    StringMapEntry<NamedMDNode *> &Entry = 
+      mmap.GetOrCreateValue(Name, Node);
+    if (Entry.getValue() != Node) {
+      mmap.remove(&Entry);
+      (void) mmap.GetOrCreateValue(Name, Node);
+    }
   }
   
   /// This method removes a NamedMDNode from the symbol table.