Revert r135423.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135454 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/FastISel.h

@@ -118,10 +118,6 @@ public:
     DebugLoc DL;
   };
 
-  /// recomputeDebugLocForMaterializedRegs - Recompute debug location for
-  /// very first instruction in a basic block.
-  void recomputeDebugLocForMaterializedRegs();
-
   /// enterLocalValueArea - Prepare InsertPt to begin inserting instructions
   /// into the local value area and return the old insert position.
   SavePoint enterLocalValueArea();