revert r81335, which breaks the build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81347 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/ProfileInfoLoader.cpp

@@ -34,8 +34,8 @@ static inline unsigned ByteSwap(unsigned Var, bool Really) {
 
 static unsigned AddCounts(unsigned A, unsigned B) {
   // If either value is undefined, use the other.
-  if (A == ProfileInfoLoader::Uncounted) return B;
-  if (B == ProfileInfoLoader::Uncounted) return A;
+  if (A == ~0U) return B;
+  if (B == ~0U) return A;
   return A + B;
 }
 
@@ -64,7 +64,7 @@ static void ReadProfilingBlock(const char *ToolName, FILE *F,
   // Make sure we have enough space... The space is initialised to -1 to
   // facitiltate the loading of missing values for OptimalEdgeProfiling.
   if (Data.size() < NumEntries)
-    Data.resize(NumEntries, ProfileInfoLoader::Uncounted);
+    Data.resize(NumEntries, ~0U);
 
   // Accumulate the data we just read into the data.
   if (!ShouldByteSwap) {