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diff --git a/llvm/tools/llvm-cov/CoverageReport.h b/llvm/tools/llvm-cov/CoverageReport.h
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+++ b/llvm/tools/llvm-cov/CoverageReport.h
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+//===- CoverageReport.h - Code coverage report ----------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This class implements rendering of a code coverage report.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_COV_COVERAGEREPORT_H
+#define LLVM_COV_COVERAGEREPORT_H
+
+#include "CoverageFilters.h"
+#include "CoverageSummaryInfo.h"
+#include "CoverageViewOptions.h"
+
+namespace llvm {
+
+/// Displays the code coverage report.
+class CoverageReport {
+  const CoverageViewOptions &Options;
+  const coverage::CoverageMapping &Coverage;
+
+  void render(const FileCoverageSummary &File, raw_ostream &OS) const;
+  void render(const FunctionCoverageSummary &Function, const DemangleCache &DC,
+              raw_ostream &OS) const;
+
+public:
+  CoverageReport(const CoverageViewOptions &Options,
+                 const coverage::CoverageMapping &Coverage)
+      : Options(Options), Coverage(Coverage) {}
+
+  void renderFunctionReports(ArrayRef<std::string> Files,
+                             const DemangleCache &DC, raw_ostream &OS);
+
+  /// Prepare file reports for the files specified in \p Files.
+  static std::vector<FileCoverageSummary>
+  prepareFileReports(const coverage::CoverageMapping &Coverage,
+                     FileCoverageSummary &Totals, ArrayRef<std::string> Files,
+                     const CoverageViewOptions &Options,
+                     const CoverageFilter &Filters = CoverageFiltersMatchAll());
+
+  static void
+  prepareSingleFileReport(const StringRef Filename,
+                          const coverage::CoverageMapping *Coverage,
+                          const CoverageViewOptions &Options,
+                          const unsigned LCP,
+                          FileCoverageSummary *FileReport,
+                          const CoverageFilter *Filters);
+
+  /// Render file reports for every unique file in the coverage mapping.
+  void renderFileReports(raw_ostream &OS,
+                         const CoverageFilters &IgnoreFilenameFilters) const;
+
+  /// Render file reports for the files specified in \p Files.
+  void renderFileReports(raw_ostream &OS, ArrayRef<std::string> Files) const;
+
+  /// Render file reports for the files specified in \p Files and the functions
+  /// in \p Filters.
+  void renderFileReports(raw_ostream &OS, ArrayRef<std::string> Files,
+                         const CoverageFiltersMatchAll &Filters) const;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_COV_COVERAGEREPORT_H