InstrProf: Teach llvm-cov to handle universal binaries when given -arch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231902 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/ProfileData/CoverageMapping.h

@@ -18,6 +18,7 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/Hashing.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/ADT/iterator.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorOr.h"
@@ -408,7 +409,8 @@ public:
 
   /// \brief Load the coverage mapping from the given files.
   static ErrorOr<std::unique_ptr<CoverageMapping>>
-  load(StringRef ObjectFilename, StringRef ProfileFilename);
+  load(StringRef ObjectFilename, StringRef ProfileFilename,
+       Triple::ArchType Arch = Triple::ArchType::UnknownArch);
 
   /// \brief The number of functions that couldn't have their profiles mapped.
   ///