[llvm-cov] Add the project summary to each source file coverage report.

This patch includes the following changes:
- Included header "Code coverage report" and include the date that the report was created.
- Included title (as specified in a command line option, (i.e llvm-cov  -project-title="Simple Test")
- In the summary, list the elf files that the source code file has contributed to.
- Used column heading for "Line No.", "Count No.", Source".

Differential Revision: https://reviews.llvm.org/D23345

llvm-svn: 279628

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/tools/llvm-cov/CoverageViewOptions.h b/llvm/tools/llvm-cov/CoverageViewOptions.h
index 45f2d813987..8e852459771 100644
--- a/llvm/tools/llvm-cov/CoverageViewOptions.h
+++ b/llvm/tools/llvm-cov/CoverageViewOptions.h
@@ -35,6 +35,9 @@ struct CoverageViewOptions {
   std::string ShowOutputDirectory;
   std::vector<std::string> DemanglerOpts;
   uint32_t TabSize;
+  std::string ProjectTitle;
+  std::string ObjectFilename;
+  std::string CreatedTimeStr;
 
   /// \brief Change the output's stream color if the colors are enabled.
   ColoredRawOstream colored_ostream(raw_ostream &OS,
@@ -47,6 +50,12 @@ struct CoverageViewOptions {
 
   /// \brief Check if a demangler has been specified.
   bool hasDemangler() const { return !DemanglerOpts.empty(); }
+
+  /// \brief Check if a project title has been specified.
+  bool hasProjectTitle() const { return !ProjectTitle.empty(); }
+
+  /// \brief Check if the created time of the profile data file is available.
+  bool hasCreatedTime() const { return !CreatedTimeStr.empty(); }
 };
 }