[llvm-cov] Emit a summary in the report directory's index

llvm-cov writes out an index file in '-output-dir' mode, albeit not a
very informative one. Try to fix that by using the CoverageReport API to
include some basic summary information in the index file.

llvm-svn: 281011

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/tools/llvm-cov/CodeCoverage.cpp b/llvm/tools/llvm-cov/CodeCoverage.cpp
index e5b9b69b0e3..6edca9f6071 100644
--- a/llvm/tools/llvm-cov/CodeCoverage.cpp
+++ b/llvm/tools/llvm-cov/CodeCoverage.cpp
@@ -679,7 +679,7 @@ int CodeCoverageTool::show(int argc, const char **argv,
 
   // Create an index out of the source files.
   if (ViewOpts.hasOutputDirectory()) {
-    if (Error E = Printer->createIndexFile(SourceFiles)) {
+    if (Error E = Printer->createIndexFile(SourceFiles, *Coverage)) {
       error("Could not create index file!", toString(std::move(E)));
       return 1;
     }