[Coverage] Mark more methods const (NFC)

llvm-svn: 276474

diff --git a/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h b/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h
index 6afde56..30571ce 100644 (file)
--- a/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h
+++ b/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h
@@ -418,12 +418,16 @@ public:
   /// \brief Get the name of the file this data covers.
   StringRef getFilename() const { return Filename; }
 
-  std::vector<CoverageSegment>::iterator begin() { return Segments.begin(); }
-  std::vector<CoverageSegment>::iterator end() { return Segments.end(); }
-  bool empty() { return Segments.empty(); }
+  std::vector<CoverageSegment>::const_iterator begin() const {
+    return Segments.begin();
+  }
+  std::vector<CoverageSegment>::const_iterator end() const {
+    return Segments.end();
+  }
+  bool empty() const { return Segments.empty(); }
 
   /// \brief Expansions that can be further processed.
-  ArrayRef<ExpansionRecord> getExpansions() { return Expansions; }
+  ArrayRef<ExpansionRecord> getExpansions() const { return Expansions; }
 };
 
 /// \brief The mapping of profile information to coverage data.