diff --git a/llvm/tools/llvm-cov/CodeCoverage.cpp b/llvm/tools/llvm-cov/CodeCoverage.cpp
--- a/llvm/tools/llvm-cov/CodeCoverage.cpp
+++ b/llvm/tools/llvm-cov/CodeCoverage.cpp
@@ -130,6 +130,9 @@
   CoverageFiltersMatchAll Filters;
   CoverageFilters IgnoreFilenameFilters;
 
+  /// True if InputSourceFiles are provided.
+  bool HasInputSourceFiles;
+
   /// The path to the indexed profile.
   std::string PGOFilename;
 
@@ -777,6 +780,8 @@
       }
     }
 
+    HasInputSourceFiles = !InputSourceFiles.empty();
+
     // IgnoreFilenameFilters are applied even when InputSourceFiles specified.
     for (const std::string &File : InputSourceFiles)
       collectPaths(File);
@@ -895,7 +900,7 @@
 
   auto Printer = CoveragePrinter::create(ViewOpts);
 
-  if (SourceFiles.empty())
+  if (SourceFiles.empty() && !HasInputSourceFiles)
     // Get the source files from the function coverage mapping.
     for (StringRef Filename : Coverage->getUniqueSourceFiles()) {
       if (!IgnoreFilenameFilters.matchesFilename(Filename))