From: Chris Lattner <sabre@nondot.org>
Date: Sun, 6 Mar 2005 02:10:40 +0000 (+0000)
Subject: Add a new method, allow symtab to poke name.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=eaadf5827692ae713faa6b38175559568c3dba26;p=oota-llvm.git

Add a new method, allow symtab to poke name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20468 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/SymbolTable.h b/include/llvm/SymbolTable.h
index 3fe4b04e19e..7df189896ee 100644
--- a/include/llvm/SymbolTable.h
+++ b/include/llvm/SymbolTable.h
@@ -217,6 +217,14 @@ public:
     return this->removeEntry(pmap.find(It->second->getType()), It);
   }
 
+  /// changeName - Given a value with a non-empty name, remove its existing
+  /// entry from the symbol table and insert a new one for Name.  This is
+  /// equivalent to doing "remove(V), V->Name = Name, insert(V)", but is faster,
+  /// and will not temporarily remove the symbol table plane if V is the last
+  /// value in the symtab with that name (which could invalidate iterators to
+  /// that plane).
+  void changeName(Value *V, const std::string &Name);
+
   /// This method will strip the symbol table of its names leaving
   /// the type and values. 
   /// @brief Strip the symbol table. 
diff --git a/include/llvm/Value.h b/include/llvm/Value.h
index 164c7ee811c..aef08453a6f 100644
--- a/include/llvm/Value.h
+++ b/include/llvm/Value.h
@@ -50,6 +50,8 @@ protected:
 private:
   PATypeHolder Ty;
   Use *UseList;
+
+  friend class SymbolTable;    // Allow SymbolTable to directly poke Name.
   std::string Name;
 
   void operator=(const Value &);     // Do not implement