Use anonymous namespace

Author: jdenny-ornl

llvm/lib/Analysis/KernelInfo.cpp

@@ -28,6 +28,8 @@ using namespace llvm;
 
 #define DEBUG_TYPE "kernel-info"
 
+namespace {
+
 /// Data structure holding function info for kernels.
 class KernelInfo {
   void updateForBB(const BasicBlock &BB, int64_t Direction,
@@ -75,6 +77,8 @@ class KernelInfo {
   int64_t FlatAddrspaceAccesses = 0;
 };
 
+} // end anonymous namespace
+
 static bool isKernelFunction(Function &F) {
   // TODO: Is this general enough?  Consider languages beyond OpenMP.
   return F.hasFnAttribute("kernel");