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+//===- CoverageSummaryInfo.h - Coverage summary for function/file ---------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These structures are used to represent code coverage metrics
+// for functions/files.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_COV_COVERAGESUMMARYINFO_H
+#define LLVM_COV_COVERAGESUMMARYINFO_H
+
+#include "llvm/ProfileData/CoverageMapping.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+
+/// \brief Provides information about region coverage for a function/file.
+struct RegionCoverageInfo {
+  /// \brief The number of regions that were executed at least once.
+  size_t Covered;
+
+  /// \brief The number of regions that weren't executed.
+  size_t NotCovered;
+
+  /// \brief The total number of regions in a function/file.
+  size_t NumRegions;
+
+  RegionCoverageInfo(size_t Covered, size_t NumRegions)
+      : Covered(Covered), NotCovered(NumRegions - Covered),
+        NumRegions(NumRegions) {}
+
+  bool isFullyCovered() const { return Covered == NumRegions; }
+
+  double getPercentCovered() const {
+    return double(Covered) / double(NumRegions) * 100.0;
+  }
+};
+
+/// \brief Provides information about line coverage for a function/file.
+struct LineCoverageInfo {
+  /// \brief The number of lines that were executed at least once.
+  size_t Covered;
+
+  /// \brief The number of lines that weren't executed.
+  size_t NotCovered;
+
+  /// \brief The number of lines that aren't code.
+  size_t NonCodeLines;
+
+  /// \brief The total number of lines in a function/file.
+  size_t NumLines;
+
+  LineCoverageInfo(size_t Covered, size_t NumNonCodeLines, size_t NumLines)
+      : Covered(Covered), NotCovered(NumLines - NumNonCodeLines - Covered),
+        NonCodeLines(NumNonCodeLines), NumLines(NumLines) {}
+
+  bool isFullyCovered() const { return Covered == (NumLines - NonCodeLines); }
+
+  double getPercentCovered() const {
+    return double(Covered) / double(NumLines - NonCodeLines) * 100.0;
+  }
+};
+
+/// \brief Provides information about function coverage for a file.
+struct FunctionCoverageInfo {
+  /// \brief The number of functions that were executed.
+  size_t Executed;
+
+  /// \brief The total number of functions in this file.
+  size_t NumFunctions;
+
+  FunctionCoverageInfo(size_t Executed, size_t NumFunctions)
+      : Executed(Executed), NumFunctions(NumFunctions) {}
+
+  bool isFullyCovered() const { return Executed == NumFunctions; }
+
+  double getPercentCovered() const {
+    return double(Executed) / double(NumFunctions) * 100.0;
+  }
+};
+
+/// \brief A summary of function's code coverage.
+struct FunctionCoverageSummary {
+  StringRef Name;
+  uint64_t ExecutionCount;
+  RegionCoverageInfo RegionCoverage;
+  LineCoverageInfo LineCoverage;
+
+  FunctionCoverageSummary(StringRef Name, uint64_t ExecutionCount,
+                          const RegionCoverageInfo &RegionCoverage,
+                          const LineCoverageInfo &LineCoverage)
+      : Name(Name), ExecutionCount(ExecutionCount),
+        RegionCoverage(RegionCoverage), LineCoverage(LineCoverage) {
+  }
+
+  /// \brief Compute the code coverage summary for the given function coverage
+  /// mapping record.
+  static FunctionCoverageSummary
+  get(const coverage::FunctionRecord &Function);
+};
+
+/// \brief A summary of file's code coverage.
+struct FileCoverageSummary {
+  StringRef Name;
+  RegionCoverageInfo RegionCoverage;
+  LineCoverageInfo LineCoverage;
+  FunctionCoverageInfo FunctionCoverage;
+  /// \brief The summary of every function
+  /// in this file.
+  ArrayRef<FunctionCoverageSummary> FunctionSummaries;
+
+  FileCoverageSummary(StringRef Name, const RegionCoverageInfo &RegionCoverage,
+                      const LineCoverageInfo &LineCoverage,
+                      const FunctionCoverageInfo &FunctionCoverage,
+                      ArrayRef<FunctionCoverageSummary> FunctionSummaries)
+      : Name(Name), RegionCoverage(RegionCoverage), LineCoverage(LineCoverage),
+        FunctionCoverage(FunctionCoverage),
+        FunctionSummaries(FunctionSummaries) {}
+
+  /// \brief Compute the code coverage summary for a file.
+  static FileCoverageSummary
+  get(StringRef Name, ArrayRef<FunctionCoverageSummary> FunctionSummaries);
+};
+
+} // namespace llvm
+
+#endif // LLVM_COV_COVERAGESUMMARYINFO_H