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diff --git a/llvm/tools/llvm-cov/FunctionCoverageMapping.h b/llvm/tools/llvm-cov/FunctionCoverageMapping.h
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+//===- FunctionCoverageMapping.h - Function coverage mapping record -------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// A structure that stores the coverage mapping record for a single function.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_COV_FUNCTIONCOVERAGEMAPPING_H
+#define LLVM_COV_FUNCTIONCOVERAGEMAPPING_H
+
+#include <string>
+#include <vector>
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ProfileData/CoverageMapping.h"
+
+namespace llvm {
+
+/// \brief Associates a source range with an execution count.
+struct MappingRegion : public coverage::CounterMappingRegion {
+  uint64_t ExecutionCount;
+
+  MappingRegion(const CounterMappingRegion &R, uint64_t ExecutionCount)
+      : CounterMappingRegion(R), ExecutionCount(ExecutionCount) {}
+};
+
+/// \brief Stores all the required information
+/// about code coverage for a single function.
+struct FunctionCoverageMapping {
+  /// \brief Raw function name.
+  std::string Name;
+  /// \brief Demangled function name.
+  std::string PrettyName;
+  std::vector<std::string> Filenames;
+  std::vector<MappingRegion> MappingRegions;
+
+  FunctionCoverageMapping(StringRef Name, ArrayRef<StringRef> Filenames)
+      : Name(Name), PrettyName(Name),
+        Filenames(Filenames.begin(), Filenames.end()) {}
+};
+
+} // namespace llvm
+
+#endif // LLVM_COV_FUNCTIONCOVERAGEMAPPING_H