3 files changed, 29 insertions, 9 deletions
diff --git a/contrib/llvm/tools/llvm-cov/CoverageReport.cpp b/contrib/llvm/tools/llvm-cov/CoverageReport.cpp
index 497c2f8..ed01a2e 100644
--- a/contrib/llvm/tools/llvm-cov/CoverageReport.cpp
+++ b/contrib/llvm/tools/llvm-cov/CoverageReport.cpp
@@ -20,7 +20,7 @@ using namespace llvm;
 namespace {
 /// \brief Helper struct which prints trimmed and aligned columns.
 struct Column {
-  enum TrimKind { NoTrim, LeftTrim, RightTrim };
+  enum TrimKind { NoTrim, WidthTrim, LeftTrim, RightTrim };
 
   enum AlignmentKind { LeftAlignment, RightAlignment };
 
@@ -30,7 +30,7 @@ struct Column {
   AlignmentKind Alignment;
 
   Column(StringRef Str, unsigned Width)
-      : Str(Str), Width(Width), Trim(NoTrim), Alignment(LeftAlignment) {}
+      : Str(Str), Width(Width), Trim(WidthTrim), Alignment(LeftAlignment) {}
 
   Column &set(TrimKind Value) {
     Trim = Value;
@@ -44,6 +44,7 @@ struct Column {
 
   void render(raw_ostream &OS) const;
 };
+
 raw_ostream &operator<<(raw_ostream &OS, const Column &Value) {
   Value.render(OS);
   return OS;
@@ -64,6 +65,9 @@ void Column::render(raw_ostream &OS) const {
 
   switch (Trim) {
   case NoTrim:
+    OS << Str;
+    break;
+  case WidthTrim:
     OS << Str.substr(0, Width);
     break;
   case LeftTrim:
@@ -84,8 +88,19 @@ static Column column(StringRef Str, unsigned Width, const T &Value) {
   return Column(Str, Width).set(Value);
 }
 
-static const unsigned FileReportColumns[] = {25, 10, 8, 8, 10, 10};
-static const unsigned FunctionReportColumns[] = {25, 10, 8, 8, 10, 8, 8};
+static size_t FileReportColumns[] = {25, 10, 8, 8, 10, 10};
+static size_t FunctionReportColumns[] = {25, 10, 8, 8, 10, 8, 8};
+
+/// \brief  Adjust column widths to fit long file paths and function names.
+static void adjustColumnWidths(coverage::CoverageMapping *CM) {
+  for (StringRef Filename : CM->getUniqueSourceFiles()) {
+    FileReportColumns[0] = std::max(FileReportColumns[0], Filename.size());
+    for (const auto &F : CM->getCoveredFunctions(Filename)) {
+      FunctionReportColumns[0] =
+          std::max(FunctionReportColumns[0], F.Name.size());
+    }
+  }
+}
 
 /// \brief Prints a horizontal divider which spans across the given columns.
 template <typename T, size_t N>
@@ -108,8 +123,9 @@ static raw_ostream::Colors determineCoveragePercentageColor(const T &Info) {
 }
 
 void CoverageReport::render(const FileCoverageSummary &File, raw_ostream &OS) {
-  OS << column(File.Name, FileReportColumns[0], Column::LeftTrim)
-     << format("%*u", FileReportColumns[1], (unsigned)File.RegionCoverage.NumRegions);
+  OS << column(File.Name, FileReportColumns[0], Column::NoTrim)
+     << format("%*u", FileReportColumns[1],
+               (unsigned)File.RegionCoverage.NumRegions);
   Options.colored_ostream(OS, File.RegionCoverage.isFullyCovered()
                                   ? raw_ostream::GREEN
                                   : raw_ostream::RED)
@@ -157,6 +173,7 @@ void CoverageReport::render(const FunctionCoverageSummary &Function,
 
 void CoverageReport::renderFunctionReports(ArrayRef<std::string> Files,
                                            raw_ostream &OS) {
+  adjustColumnWidths(Coverage.get());
   bool isFirst = true;
   for (StringRef Filename : Files) {
     if (isFirst)
@@ -191,6 +208,7 @@ void CoverageReport::renderFunctionReports(ArrayRef<std::string> Files,
 }
 
 void CoverageReport::renderFileReports(raw_ostream &OS) {
+  adjustColumnWidths(Coverage.get());
   OS << column("Filename", FileReportColumns[0])
      << column("Regions", FileReportColumns[1], Column::RightAlignment)
      << column("Miss", FileReportColumns[2], Column::RightAlignment)
@@ -200,6 +218,7 @@ void CoverageReport::renderFileReports(raw_ostream &OS) {
      << "\n";
   renderDivider(FileReportColumns, OS);
   OS << "\n";
+
   FileCoverageSummary Totals("TOTAL");
   for (StringRef Filename : Coverage->getUniqueSourceFiles()) {
     FileCoverageSummary Summary(Filename);
diff --git a/contrib/llvm/tools/llvm-cov/CoverageViewOptions.h b/contrib/llvm/tools/llvm-cov/CoverageViewOptions.h
index 94b55fe..1208fad 100644
--- a/contrib/llvm/tools/llvm-cov/CoverageViewOptions.h
+++ b/contrib/llvm/tools/llvm-cov/CoverageViewOptions.h
@@ -24,6 +24,7 @@ struct CoverageViewOptions {
   bool ShowLineStatsOrRegionMarkers;
   bool ShowExpandedRegions;
   bool ShowFunctionInstantiations;
+  bool ShowFullFilenames;
 
   /// \brief Change the output's stream color if the colors are enabled.
   ColoredRawOstream colored_ostream(raw_ostream &OS,
diff --git a/contrib/llvm/tools/llvm-cov/gcov.cpp b/contrib/llvm/tools/llvm-cov/gcov.cpp
index 4377a50..a5343fa 100644
--- a/contrib/llvm/tools/llvm-cov/gcov.cpp
+++ b/contrib/llvm/tools/llvm-cov/gcov.cpp
@@ -26,7 +26,7 @@ using namespace llvm;
 static void reportCoverage(StringRef SourceFile, StringRef ObjectDir,
                            const std::string &InputGCNO,
                            const std::string &InputGCDA, bool DumpGCOV,
-                           const GCOVOptions &Options) {
+                           const GCOV::Options &Options) {
   SmallString<128> CoverageFileStem(ObjectDir);
   if (CoverageFileStem.empty()) {
     // If no directory was specified with -o, look next to the source file.
@@ -143,8 +143,8 @@ int gcovMain(int argc, const char *argv[]) {
 
   cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
 
-  GCOVOptions Options(AllBlocks, BranchProb, BranchCount, FuncSummary,
-                      PreservePaths, UncondBranch, LongNames, NoOutput);
+  GCOV::Options Options(AllBlocks, BranchProb, BranchCount, FuncSummary,
+                        PreservePaths, UncondBranch, LongNames, NoOutput);
 
   for (const auto &SourceFile : SourceFiles)
     reportCoverage(SourceFile, ObjectDir, InputGCNO, InputGCDA, DumpGCOV,