diff --git a/llvm/include/llvm/TableGen/Record.h b/llvm/include/llvm/TableGen/Record.h
--- a/llvm/include/llvm/TableGen/Record.h
+++ b/llvm/include/llvm/TableGen/Record.h
@@ -1999,17 +1999,19 @@
 
   /// Get all the concrete records that inherit from the one specified
   /// class. The class must be defined.
-  std::vector<Record *> getAllDerivedDefinitions(StringRef ClassName) const;
+  std::vector<Record *> getAllDerivedDefinitions(StringRef ClassName,
+                                                 bool SortNumeric = true) const;
 
   /// Get all the concrete records that inherit from all the specified
   /// classes. The classes must be defined.
-  std::vector<Record *> getAllDerivedDefinitions(
-      ArrayRef<StringRef> ClassNames) const;
+  std::vector<Record *> getAllDerivedDefinitions(ArrayRef<StringRef> ClassNames,
+                                                 bool SortNumeric = true) const;
 
   /// Get all the concrete records that inherit from specified class, if the
   /// class is defined. Returns an empty vector if the class is not defined.
   std::vector<Record *>
-  getAllDerivedDefinitionsIfDefined(StringRef ClassName) const;
+  getAllDerivedDefinitionsIfDefined(StringRef ClassName,
+                                    bool SortNumeric = true) const;
 
   void dump() const;
 
diff --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
--- a/llvm/lib/TableGen/Record.cpp
+++ b/llvm/lib/TableGen/Record.cpp
@@ -2976,18 +2976,21 @@
 }
 
 std::vector<Record *>
-RecordKeeper::getAllDerivedDefinitions(StringRef ClassName) const {
+RecordKeeper::getAllDerivedDefinitions(StringRef ClassName,
+                                       bool SortNumeric) const {
   // We cache the record vectors for single classes. Many backends request
   // the same vectors multiple times.
   auto Pair = ClassRecordsMap.try_emplace(ClassName);
   if (Pair.second)
-    Pair.first->second = getAllDerivedDefinitions(ArrayRef(ClassName));
+    Pair.first->second =
+        getAllDerivedDefinitions(ArrayRef(ClassName), SortNumeric);
 
   return Pair.first->second;
 }
 
-std::vector<Record *> RecordKeeper::getAllDerivedDefinitions(
-    ArrayRef<StringRef> ClassNames) const {
+std::vector<Record *>
+RecordKeeper::getAllDerivedDefinitions(ArrayRef<StringRef> ClassNames,
+                                       bool SortNumeric) const {
   SmallVector<Record *, 2> ClassRecs;
   std::vector<Record *> Defs;
 
@@ -3006,12 +3009,18 @@
       Defs.push_back(OneDef.second.get());
   }
 
+  if (SortNumeric)
+    llvm::sort(Defs, [](Record *LHS, Record *RHS) {
+      return LHS->getName().compare_numeric(RHS->getName()) < 0;
+    });
+
   return Defs;
 }
 
 std::vector<Record *>
-RecordKeeper::getAllDerivedDefinitionsIfDefined(StringRef ClassName) const {
-  return getClass(ClassName) ? getAllDerivedDefinitions(ClassName)
+RecordKeeper::getAllDerivedDefinitionsIfDefined(StringRef ClassName,
+                                                bool SortNumeric) const {
+  return getClass(ClassName) ? getAllDerivedDefinitions(ClassName, SortNumeric)
                              : std::vector<Record *>();
 }
 
diff --git a/llvm/utils/TableGen/CodeGenRegisters.cpp b/llvm/utils/TableGen/CodeGenRegisters.cpp
--- a/llvm/utils/TableGen/CodeGenRegisters.cpp
+++ b/llvm/utils/TableGen/CodeGenRegisters.cpp
@@ -1174,8 +1174,8 @@
     getReg(Regs[i]);
 
   // Expand tuples and number the new registers.
-  std::vector<Record*> Tups =
-    Records.getAllDerivedDefinitions("RegisterTuples");
+  std::vector<Record *> Tups =
+      Records.getAllDerivedDefinitions("RegisterTuples", false);
 
   for (Record *R : Tups) {
     std::vector<Record *> TupRegs = *Sets.expand(R);