[llvm-cov] - Add the coverage of lines in the summary report.

The llvm-cov ‘report' command displays a summary of the coverage of a binary file.
The summary report currently only includes covered regions and covered functions.
This patch adds the coverage of lines in the summary report.

Differential Revision: https://reviews.llvm.org/D22569

llvm-svn: 276409
diff --git a/llvm/tools/llvm-cov/CoverageReport.cpp b/llvm/tools/llvm-cov/CoverageReport.cpp
index 10e53b3..ab74568 100644
--- a/llvm/tools/llvm-cov/CoverageReport.cpp
+++ b/llvm/tools/llvm-cov/CoverageReport.cpp
@@ -88,7 +88,8 @@
   return Column(Str, Width).set(Value);
 }
 
-static size_t FileReportColumns[] = {25, 10, 8, 8, 10, 10};
+// Specify the default column widths.
+static size_t FileReportColumns[] = {25, 12, 18, 10, 12, 18, 10, 12, 18, 10};
 static size_t FunctionReportColumns[] = {25, 10, 8, 8, 10, 8, 8};
 
 /// \brief  Adjust column widths to fit long file paths and function names.
@@ -136,10 +137,24 @@
                 File.RegionCoverage.getPercentCovered()) << '%';
   OS << format("%*u", FileReportColumns[4],
                (unsigned)File.FunctionCoverage.NumFunctions);
+  OS << format("%*u", FileReportColumns[5],
+               (unsigned)(File.FunctionCoverage.NumFunctions -
+                          File.FunctionCoverage.Executed));
   Options.colored_ostream(
       OS, determineCoveragePercentageColor(File.FunctionCoverage))
-      << format("%*.2f", FileReportColumns[5] - 1,
+      << format("%*.2f", FileReportColumns[6] - 1,
                 File.FunctionCoverage.getPercentCovered()) << '%';
+  OS << format("%*u", FileReportColumns[7],
+               (unsigned)File.LineCoverage.NumLines);
+  Options.colored_ostream(OS, File.LineCoverage.isFullyCovered()
+                                  ? raw_ostream::GREEN
+                                  : raw_ostream::RED)
+      << format("%*u", FileReportColumns[8],
+                (unsigned)File.LineCoverage.NotCovered);
+  Options.colored_ostream(OS,
+                          determineCoveragePercentageColor(File.LineCoverage))
+      << format("%*.2f", FileReportColumns[9] - 1,
+                File.LineCoverage.getPercentCovered()) << '%';
   OS << "\n";
 }
 
@@ -211,10 +226,15 @@
   adjustColumnWidths(Coverage.get());
   OS << column("Filename", FileReportColumns[0])
      << column("Regions", FileReportColumns[1], Column::RightAlignment)
-     << column("Miss", FileReportColumns[2], Column::RightAlignment)
+     << column("Missed Regions", FileReportColumns[2], Column::RightAlignment)
      << column("Cover", FileReportColumns[3], Column::RightAlignment)
      << column("Functions", FileReportColumns[4], Column::RightAlignment)
-     << column("Executed", FileReportColumns[5], Column::RightAlignment)
+     << column("Missed Functions", FileReportColumns[5],
+               Column::RightAlignment)
+     << column("Executed", FileReportColumns[6], Column::RightAlignment)
+     << column("Lines", FileReportColumns[7], Column::RightAlignment)
+     << column("Missed Lines", FileReportColumns[8], Column::RightAlignment)
+     << column("Cover", FileReportColumns[9], Column::RightAlignment)
      << "\n";
   renderDivider(FileReportColumns, OS);
   OS << "\n";