1 files changed, 13 insertions, 3 deletions
diff --git a/tools/llvm-cov/llvm-cov.cpp b/tools/llvm-cov/llvm-cov.cpp
index 7b21c5b..5f6999e 100644
--- a/tools/llvm-cov/llvm-cov.cpp
+++ b/tools/llvm-cov/llvm-cov.cpp
@@ -17,6 +17,7 @@
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryObject.h"
 #include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/system_error.h"
 using namespace llvm;
@@ -30,6 +31,9 @@ InputGCNO("gcno", cl::desc("<input gcno file>"), cl::init(""));
 static cl::opt<std::string>
 InputGCDA("gcda", cl::desc("<input gcda file>"), cl::init(""));
 
+static cl::opt<std::string>
+OutputFile("o", cl::desc("<output llvm-cov file>"), cl::init("-"));
+
 
 //===----------------------------------------------------------------------===//
 int main(int argc, char **argv) {
@@ -38,7 +42,12 @@ int main(int argc, char **argv) {
   PrettyStackTraceProgram X(argc, argv);
   llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
 
-  cl::ParseCommandLineOptions(argc, argv, "llvm cov\n");
+  cl::ParseCommandLineOptions(argc, argv, "llvm coverage tool\n");
+
+  std::string ErrorInfo;
+  raw_fd_ostream OS(OutputFile.c_str(), ErrorInfo);
+  if (!ErrorInfo.empty())
+    errs() << ErrorInfo << "\n";
 
   GCOVFile GF;
   if (InputGCNO.empty())
@@ -49,7 +58,7 @@ int main(int argc, char **argv) {
     errs() << InputGCNO << ": " << ec.message() << "\n";
     return 1;
   }
-  GCOVBuffer GCNO_GB(GCNO_Buff.take());
+  GCOVBuffer GCNO_GB(GCNO_Buff.get());
   if (!GF.read(GCNO_GB)) {
     errs() << "Invalid .gcno File!\n";
     return 1;
@@ -61,7 +70,7 @@ int main(int argc, char **argv) {
       errs() << InputGCDA << ": " << ec.message() << "\n";
       return 1;
     }
-    GCOVBuffer GCDA_GB(GCDA_Buff.take());
+    GCOVBuffer GCDA_GB(GCDA_Buff.get());
     if (!GF.read(GCDA_GB)) {
       errs() << "Invalid .gcda File!\n";
       return 1;
@@ -74,5 +83,6 @@ int main(int argc, char **argv) {
 
   FileInfo FI;
   GF.collectLineCounts(FI);
+  FI.print(OS, InputGCNO, InputGCDA);
   return 0;
 }