r274599 - Delete some dead code, NFC

[Vedant Kumar via cfe-commits]

Author: vedantk
Date: Tue Jul  5 22:08:47 2016
New Revision: 274599

URL: http://llvm.org/viewvc/llvm-project?rev=274599&view=rev
Log:
Delete some dead code, NFC

Found using clang's code coverage tool.

Modified:
    cfe/trunk/lib/CodeGen/CoverageMappingGen.cpp

Modified: cfe/trunk/lib/CodeGen/CoverageMappingGen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CoverageMappingGen.cpp?rev=274599&r1=274598&r2=274599&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CoverageMappingGen.cpp (original)
+++ cfe/trunk/lib/CodeGen/CoverageMappingGen.cpp Tue Jul  5 22:08:47 2016
@@ -202,12 +202,6 @@ public:
     return None;
   }
 
-  /// \brief Return true if the given clang's file id has a corresponding
-  /// coverage file id.
-  bool hasExistingCoverageFileID(FileID File) const {
-    return FileIDMapping.count(File);
-  }
-
   /// \brief Gather all the regions that were skipped by the preprocessor
   /// using the constructs like #if.
   void gatherSkippedRegions() {
@@ -387,10 +381,6 @@ struct CounterCoverageMappingBuilder
     return addCounters(addCounters(C1, C2), C3);
   }
 
-  Counter addCounters(Counter C1, Counter C2, Counter C3, Counter C4) {
-    return addCounters(addCounters(C1, C2, C3), C4);
-  }
-
   /// \brief Return the region counter for the given statement.
   ///
   /// This should only be called on statements that have a dedicated counter.