diff --git a/llvm/utils/TableGen/CodeGenRegisters.cpp b/llvm/utils/TableGen/CodeGenRegisters.cpp
index 7c6661742aac..1d06f3e52876 100644
--- a/llvm/utils/TableGen/CodeGenRegisters.cpp
+++ b/llvm/utils/TableGen/CodeGenRegisters.cpp
@@ -503,7 +503,7 @@ static int TopoOrderRC(const void *PA, const void *PB) {
     return 1;
 
   // Finally order by name as a tie breaker.
-  return A->getName() < B->getName();
+  return StringRef(A->getName()).compare(B->getName());
 }
 
 std::string CodeGenRegisterClass::getQualifiedName() const {