/// matcher or it can be a temporary value created by the emitter for things
/// like constants.
class ResultVal {
- unsigned Number : 30;
- enum {
- Recorded, Temporary
- } Kind : 2; // True if temporary, false if recorded.
+ unsigned Number;
public:
- static ResultVal getRecorded(unsigned N) {
+ static ResultVal get(unsigned N) {
ResultVal R;
R.Number = N;
- R.Kind = Recorded;
- return R;
- }
-
- static ResultVal getTemp(unsigned N) {
- ResultVal R;
- R.Number = N;
- R.Kind = Temporary;
return R;
}
- bool isTemp() const { return Kind == Temporary; }
- bool isRecorded() const { return Kind == Recorded; }
-
- unsigned getTempNo() const {
- assert(isTemp());
- return Number;
- }
-
- unsigned getRecordedNo() const {
- assert(isRecorded());
+ unsigned getNumber() const {
return Number;
}
};
/// record into.
unsigned NextRecordedOperandNo;
- /// NextTemporary - As we generate code, this indicates the next temporary
- /// ID that will be generated.
- unsigned NextTemporary;
-
/// InputChains - This maintains the position in the recorded nodes array of
/// all of the recorded input chains.
SmallVector<unsigned, 2> InputChains;
MatcherGen::MatcherGen(const PatternToMatch &pattern,
const CodeGenDAGPatterns &cgp)
-: Pattern(pattern), CGP(cgp), NextRecordedOperandNo(0), NextTemporary(0),
+: Pattern(pattern), CGP(cgp), NextRecordedOperandNo(0),
Matcher(0), CurPredicate(0) {
// We need to produce the matcher tree for the patterns source pattern. To do
// this we need to match the structure as well as the types. To do the type
if (IntInit *II = dynamic_cast<IntInit*>(N->getLeafValue())) {
AddMatcherNode(new EmitIntegerMatcherNode(II->getValue(),N->getTypeNum(0)));
- ResultOps.push_back(ResultVal::getTemp(NextTemporary++));
+ ResultOps.push_back(ResultVal::get(NextRecordedOperandNo++));
return;
}
if (DI->getDef()->isSubClassOf("Register")) {
AddMatcherNode(new EmitRegisterMatcherNode(DI->getDef(),
N->getTypeNum(0)));
- ResultOps.push_back(ResultVal::getTemp(NextTemporary++));
+ ResultOps.push_back(ResultVal::get(NextRecordedOperandNo++));
return;
}
if (DI->getDef()->getName() == "zero_reg") {
AddMatcherNode(new EmitRegisterMatcherNode(0, N->getTypeNum(0)));
- ResultOps.push_back(ResultVal::getTemp(NextTemporary++));
+ ResultOps.push_back(ResultVal::get(NextRecordedOperandNo++));
return;
}