[ValueTypes] Remove hardcoded 224 from VTEmitter.cpp. NFC

Add a new bit to ValueTypes.td to indicate whether a type should be
part of the [FIRST_VALUETYPE,LAST_VALUETYPE] range or not.

This was reviewed as part of #93654.

Author: topperc

llvm/include/llvm/CodeGen/ValueTypes.td

@@ -23,6 +23,9 @@ class ValueType<int size, int value> {
   bit isFP = false;
   bit isVector = false;
   bit isScalable = false;
+  // Indicates this VT should be included in the
+  // [FIRST_VALUETYPE,LAST_VALUETYPE] range.
+  bit isNormalValueType = true;
 }
 
 class VTAny<int value> : ValueType<0, value> {
@@ -287,6 +290,7 @@ def aarch64svcount
               : ValueType<16,  199>;  // AArch64 predicate-as-counter
 def spirvbuiltin : ValueType<0, 200>; // SPIR-V's builtin type
 
+let isNormalValueType = false in {
 def token      : ValueType<0, 248>;  // TokenTy
 def MetadataVT : ValueType<0, 249> { // Metadata
   let LLVMName = "Metadata";
@@ -316,6 +320,8 @@ def iPTR       : ValueType<0, 254>;
 // Should only be used in TableGen.
 def Any        : VTAny<255>;
 
+} // isNormalValueType = false
+
 } // end defset ValueTypes
 
 /// This class is for targets that want to use pointer types in patterns

llvm/utils/TableGen/VTEmitter.cpp

@@ -72,6 +72,7 @@ void VTEmitter::run(raw_ostream &OS) {
     bool IsFP = VT->getValueAsBit("isFP");
     bool IsVector = VT->getValueAsBit("isVector");
     bool IsScalable = VT->getValueAsBit("isScalable");
+    bool IsNormalValueType =  VT->getValueAsBit("isNormalValueType");
 
     UpdateVTRange("INTEGER_FIXEDLEN_VECTOR_VALUETYPE", Name,
                   IsInteger && IsVector && !IsScalable);
@@ -85,7 +86,7 @@ void VTEmitter::run(raw_ostream &OS) {
     UpdateVTRange("VECTOR_VALUETYPE", Name, IsVector);
     UpdateVTRange("INTEGER_VALUETYPE", Name, IsInteger && !IsVector);
     UpdateVTRange("FP_VALUETYPE", Name, IsFP && !IsVector);
-    UpdateVTRange("VALUETYPE", Name, Value < 224);
+    UpdateVTRange("VALUETYPE", Name, IsNormalValueType);
 
     // clang-format off
     OS << "  GET_VT_ATTR("