Delete some dead code, NFC

Found using clang's code coverage tool.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274599 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CoverageMappingGen.cpp b/lib/CodeGen/CoverageMappingGen.cpp
index 3980c4704ce284315775ded1c7c96dc8a17be0d2..7055e3a356867a8ac7ee5839b566f29b904b2e03 100644 (file)
--- a/lib/CodeGen/CoverageMappingGen.cpp
+++ b/lib/CodeGen/CoverageMappingGen.cpp
@@ -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.