}
// Emit the string itself.
- O << " const char AsmStrs[] = {\n";
+ O << " static const char AsmStrs[] = {\n";
StringTable.emit(O, printChar);
O << " };\n\n";
// before it can be matched to the mnemonic.
std::map<std::string, std::vector<IAPrinter*> > IAPrinterMap;
+ // A list of MCOperandPredicates for all operands in use, and the reverse map
+ std::vector<const Record*> MCOpPredicates;
+ DenseMap<const Record*, unsigned> MCOpPredicateMap;
+
for (auto &Aliases : AliasMap) {
for (auto &Alias : Aliases.second) {
const CodeGenInstAlias *CGA = Alias.first;
Cond = std::string("MRI.getRegClass(") + Target.getName() + "::" +
R->getName() + "RegClassID)"
".contains(" + Op + ".getReg())";
- IAP->addCond(Cond);
} else {
Cond = Op + ".getReg() == MI->getOperand(" +
llvm::utostr(IAP->getOpIndex(ROName)) + ").getReg()";
- IAP->addCond(Cond);
}
} else {
// Assume all printable operands are desired for now. This can be
// overridden in the InstAlias instantiation if necessary.
IAP->addOperand(ROName, MIOpNum, PrintMethodIdx);
- }
+ // There might be an additional predicate on the MCOperand
+ unsigned Entry = MCOpPredicateMap[Rec];
+ if (!Entry) {
+ if (!Rec->isValueUnset("MCOperandPredicate")) {
+ MCOpPredicates.push_back(Rec);
+ Entry = MCOpPredicates.size();
+ MCOpPredicateMap[Rec] = Entry;
+ } else
+ break; // No conditions on this operand at all
+ }
+ Cond = Target.getName() + ClassName + "ValidateMCOperand(" +
+ Op + ", " + llvm::utostr(Entry) + ")";
+ }
+ // for all subcases of ResultOperand::K_Record:
+ IAP->addCond(Cond);
break;
}
case CodeGenInstAlias::ResultOperand::K_Imm: {
return;
}
+ if (MCOpPredicates.size())
+ O << "static bool " << Target.getName() << ClassName
+ << "ValidateMCOperand(\n"
+ << " const MCOperand &MCOp, unsigned PredicateIndex);\n";
+
O << HeaderO.str();
O.indent(2) << "const char *AsmString;\n";
O.indent(2) << "switch (MI->getOpcode()) {\n";
}
O << "}\n\n";
+ if (MCOpPredicates.size()) {
+ O << "static bool " << Target.getName() << ClassName
+ << "ValidateMCOperand(\n"
+ << " const MCOperand &MCOp, unsigned PredicateIndex) {\n"
+ << " switch (PredicateIndex) {\n"
+ << " default:\n"
+ << " llvm_unreachable(\"Unknown MCOperandPredicate kind\");\n"
+ << " break;\n";
+
+ for (unsigned i = 0; i < MCOpPredicates.size(); ++i) {
+ Init *MCOpPred = MCOpPredicates[i]->getValueInit("MCOperandPredicate");
+ if (StringInit *SI = dyn_cast<StringInit>(MCOpPred)) {
+ O << " case " << i + 1 << ": {\n"
+ << SI->getValue() << "\n"
+ << " }\n";
+ } else
+ llvm_unreachable("Unexpected MCOperandPredicate field!");
+ }
+ O << " }\n"
+ << "}\n\n";
+ }
+
O << "#endif // PRINT_ALIAS_INSTR\n";
}