Remove mentions of type planes.

llvm-svn: 134887
diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index 9278e58..94794c3 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -311,11 +311,11 @@
   const Function* TheFunction;
   bool FunctionProcessed;
 
-  /// mMap - The TypePlanes map for the module level data.
+  /// mMap - The slot map for the module level data.
   ValueMap mMap;
   unsigned mNext;
 
-  /// fMap - The TypePlanes map for the function level data.
+  /// fMap - The slot map for the function level data.
   ValueMap fMap;
   unsigned fNext;
 
@@ -536,7 +536,7 @@
   // Check for uninitialized state and do lazy initialization.
   initialize();
 
-  // Find the type plane in the module map
+  // Find the value in the module map
   ValueMap::iterator MI = mMap.find(V);
   return MI == mMap.end() ? -1 : (int)MI->second;
 }
@@ -546,7 +546,7 @@
   // Check for uninitialized state and do lazy initialization.
   initialize();
 
-  // Find the type plane in the module map
+  // Find the MDNode in the module map
   mdn_iterator MI = mdnMap.find(N);
   return MI == mdnMap.end() ? -1 : (int)MI->second;
 }