Compress SimpleValueType lists by sharing.

Many register classes have the same value types. Share the table space.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153764 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/SequenceToOffsetTable.h

@@ -103,7 +103,9 @@ public:
 
   /// emit - Print out the table as the body of an array initializer.
   /// Use the Print function to print elements.
-  void emit(raw_ostream &OS, void (*Print)(raw_ostream&, ElemT)) const {
+  void emit(raw_ostream &OS,
+            void (*Print)(raw_ostream&, ElemT),
+            const char *Term = "0") const {
     assert(Entries && "Call layout() before emit()");
     for (typename SeqMap::const_iterator I = Seqs.begin(), E = Seqs.end();
          I != E; ++I) {
@@ -113,7 +115,7 @@ public:
         Print(OS, *SI);
         OS << ", ";
       }
-      OS << "0,\n";
+      OS << Term << ",\n";
     }
   }
 };