- ResultOperands.push_back(ResOp);
- ResultInstOperandIndex.push_back(std::make_pair(i, -1));
- ++AliasOpNo;
+ // If this is a simple operand, or a complex operand with a custom match
+ // class, then we can match is verbatim.
+ if (NumSubOps == 1 ||
+ (InstOpRec->getValue("ParserMatchClass") &&
+ InstOpRec->getValueAsDef("ParserMatchClass")
+ ->getValueAsString("Name") != "Imm")) {
+ ResultOperands.push_back(ResOp);
+ ResultInstOperandIndex.push_back(std::make_pair(i, -1));
+ ++AliasOpNo;
+
+ // Otherwise, we need to match each of the suboperands individually.
+ } else {
+ DagInit *MIOI = ResultInst->Operands[i].MIOperandInfo;
+ for (unsigned SubOp = 0; SubOp != NumSubOps; ++SubOp) {
+ Record *SubRec = cast<DefInit>(MIOI->getArg(SubOp))->getDef();
+
+ // Take care to instantiate each of the suboperands with the correct
+ // nomenclature: $foo.bar
+ ResultOperands.emplace_back(Result->getArgName(AliasOpNo) + "." +
+ MIOI->getArgName(SubOp),
+ SubRec);
+ ResultInstOperandIndex.push_back(std::make_pair(i, SubOp));
+ }
+ ++AliasOpNo;
+ }