llvm-cov: Introduce `--binary-counters` (#120841)

In `llvm-cov show`, this option rounds counters (line, branch) to
`[1,0]` at rendering. This will be useful when the number of counts
doesn't interest but **Covered/uncoverd** does.

1 files changed, 9 insertions, 6 deletions

diff --git a/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp b/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
index e2be576..c94d385 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
@@ -1019,19 +1019,22 @@ void SourceCoverageViewHTML::renderLine(raw_ostream &OS, LineRef L,
     // Just consider the segments which start *and* end on this line.
     for (unsigned I = 0, E = Segments.size() - 1; I < E; ++I) {
       const auto *CurSeg = Segments[I];
+      auto CurSegCount = BinaryCount(CurSeg->Count);
+      auto LCSCount = BinaryCount(LCS.getExecutionCount());
       if (!CurSeg->IsRegionEntry)
         continue;
-      if (CurSeg->Count == LCS.getExecutionCount())
+      if (CurSegCount == LCSCount)
         continue;
 
       Snippets[I + 1] =
-          tag("div", Snippets[I + 1] + tag("span", formatCount(CurSeg->Count),
-                                           "tooltip-content"),
+          tag("div",
+              Snippets[I + 1] +
+                  tag("span", formatCount(CurSegCount), "tooltip-content"),
               "tooltip");
 
       if (getOptions().Debug)
         errs() << "Marker at " << CurSeg->Line << ":" << CurSeg->Col << " = "
-               << formatCount(CurSeg->Count) << "\n";
+               << formatCount(CurSegCount) << "\n";
     }
   }
 
@@ -1051,7 +1054,7 @@ void SourceCoverageViewHTML::renderLineCoverageColumn(
     raw_ostream &OS, const LineCoverageStats &Line) {
   std::string Count;
   if (Line.isMapped())
-    Count = tag("pre", formatCount(Line.getExecutionCount()));
+    Count = tag("pre", formatBinaryCount(Line.getExecutionCount()));
   std::string CoverageClass =
       (Line.getExecutionCount() > 0)
           ? "covered-line"
@@ -1106,7 +1109,7 @@ void SourceCoverageViewHTML::renderBranchView(raw_ostream &OS, BranchView &BRV,
 
     OS << tag("span", Label, (Count ? "None" : "red branch")) << ": ";
     if (getOptions().ShowBranchCounts)
-      OS << tag("span", formatCount(Count),
+      OS << tag("span", formatBinaryCount(Count),
                 (Count ? "covered-line" : "uncovered-line"));
     else
       OS << format("%0.2f", (Total != 0 ? 100.0 * Count / Total : 0.0)) << "%";