From bedd1b2427b7bdc7de5280e26b36fb4256891e60 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 2 Jul 2008 05:26:32 +0000
Subject: [PATCH] Add a new (simple) StringMap::clear method, patch by Pratik
 Solanki!

llvm-svn: 53008
---
 llvm/include/llvm/ADT/StringMap.h      | 6 ++++++
 llvm/lib/CodeGen/CollectorMetadata.cpp | 5 +----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/llvm/include/llvm/ADT/StringMap.h b/llvm/include/llvm/ADT/StringMap.h
index f180b3636060..7189931abb9f 100644
--- a/llvm/include/llvm/ADT/StringMap.h
+++ b/llvm/include/llvm/ADT/StringMap.h
@@ -333,6 +333,12 @@ public:
     return true;
   }
 
+  // clear - Empties out the StringMap
+  void clear() {
+    while (!empty())
+      erase(begin());
+  }
+
   /// GetOrCreateValue - Look up the specified key in the table.  If a value
   /// exists, return it.  Otherwise, default construct a value, insert it, and
   /// return.
diff --git a/llvm/lib/CodeGen/CollectorMetadata.cpp b/llvm/lib/CodeGen/CollectorMetadata.cpp
index 7a5a699a117f..5b8c7c799961 100644
--- a/llvm/lib/CodeGen/CollectorMetadata.cpp
+++ b/llvm/lib/CodeGen/CollectorMetadata.cpp
@@ -112,10 +112,7 @@ CollectorMetadata &CollectorModuleMetadata::get(const Function &F) {
 
 void CollectorModuleMetadata::clear() {
   Map.clear();
-  
-  // TODO: StringMap should provide a clear method.
-  while (!NameMap.empty())
-    NameMap.erase(NameMap.begin());
+  NameMap.clear();
   
   for (iterator I = begin(), E = end(); I != E; ++I)
     delete *I;