-CodeGenRegisterClass::CodeGenRegisterClass(Record *R) : TheDef(R) {
- // Rename anonymous register classes.
- if (R->getName().size() > 9 && R->getName()[9] == '.') {
- static unsigned AnonCounter = 0;
- R->setName("AnonRegClass_"+utostr(AnonCounter++));
- }
-
- std::vector<Record*> TypeList = R->getValueAsListOfDefs("RegTypes");
- for (unsigned i = 0, e = TypeList.size(); i != e; ++i) {
- Record *Type = TypeList[i];
- if (!Type->isSubClassOf("ValueType"))
- throw "RegTypes list member '" + Type->getName() +
- "' does not derive from the ValueType class!";
- VTs.push_back(getValueType(Type));
- }
- assert(!VTs.empty() && "RegisterClass must contain at least one ValueType!");
-
- std::vector<Record*> RegList = R->getValueAsListOfDefs("MemberList");
- for (unsigned i = 0, e = RegList.size(); i != e; ++i) {
- Record *Reg = RegList[i];
- if (!Reg->isSubClassOf("Register"))
- throw "Register Class member '" + Reg->getName() +
- "' does not derive from the Register class!";
- Elements.push_back(Reg);
- }
-
- std::vector<Record*> SubRegClassList =
- R->getValueAsListOfDefs("SubRegClassList");
- for (unsigned i = 0, e = SubRegClassList.size(); i != e; ++i) {
- Record *SubRegClass = SubRegClassList[i];
- if (!SubRegClass->isSubClassOf("RegisterClass"))
- throw "Register Class member '" + SubRegClass->getName() +
- "' does not derive from the RegisterClass class!";
- SubRegClasses.push_back(SubRegClass);
- }
-
- // Allow targets to override the size in bits of the RegisterClass.
- unsigned Size = R->getValueAsInt("Size");
-
- Namespace = R->getValueAsString("Namespace");
- SpillSize = Size ? Size : EVT(VTs[0]).getSizeInBits();
- SpillAlignment = R->getValueAsInt("Alignment");
- CopyCost = R->getValueAsInt("CopyCost");
- MethodBodies = R->getValueAsCode("MethodBodies");
- MethodProtos = R->getValueAsCode("MethodProtos");
-}
-
-const std::string &CodeGenRegisterClass::getName() const {
- return TheDef->getName();
-}
-