return AddMatcher(new CheckIntegerMatcher(II->getValue()));
}
+ // An UnsetInit represents a named node without any constraints.
+ if (N->getLeafValue() == UnsetInit::get()) {
+ assert(N->hasName() && "Unnamed ? leaf");
+ return;
+ }
+
DefInit *DI = dyn_cast<DefInit>(N->getLeafValue());
if (DI == 0) {
errs() << "Unknown leaf kind: " << *N << "\n";
}
Record *LeafRec = DI->getDef();
+
+ // A ValueType leaf node can represent a register when named, or itself when
+ // unnamed.
+ if (LeafRec->isSubClassOf("ValueType")) {
+ // A named ValueType leaf always matches: (add i32:$a, i32:$b).
+ if (N->hasName())
+ return;
+ // An unnamed ValueType as in (sext_inreg GPR:$foo, i8).
+ return AddMatcher(new CheckValueTypeMatcher(LeafRec->getName()));
+ }
+
if (// Handle register references. Nothing to do here, they always match.
LeafRec->isSubClassOf("RegisterClass") ||
LeafRec->isSubClassOf("RegisterOperand") ||
return;
}
- if (LeafRec->isSubClassOf("ValueType"))
- return AddMatcher(new CheckValueTypeMatcher(LeafRec->getName()));
-
if (LeafRec->isSubClassOf("CondCode"))
return AddMatcher(new CheckCondCodeMatcher(LeafRec->getName()));