/// Generate an enum for all the operand types for this target, under the
/// llvm::TargetNamespace::OpTypes namespace.
/// Operand types are all definitions derived of the Operand Target.td class.
void InstrInfoEmitter::emitOperandTypesEnum(raw_ostream &OS,
const CodeGenTarget &Target) {
const std::string &Namespace = Target.getInstNamespace();
std::vector<Record *> Operands = Records.getAllDerivedDefinitions("Operand");
OS << "\n#ifdef GET_INSTRINFO_OPERAND_TYPES_ENUM\n";
OS << "#undef GET_INSTRINFO_OPERAND_TYPES_ENUM\n";
OS << "namespace llvm {";
OS << "namespace " << Namespace << " {\n";
OS << "namespace OpTypes { \n";
OS << "enum OperandType {\n";
for (unsigned oi = 0, oe = Operands.size(); oi != oe; ++oi) {
if (!Operands[oi]->isAnonymous())
OS << " " << Operands[oi]->getName() << " = " << oi << ",\n";
}
OS << " OPERAND_TYPE_LIST_END" << "\n};\n";
OS << "} // End namespace OpTypes\n";
OS << "} // End namespace " << Namespace << "\n";
OS << "} // End namespace llvm\n";
OS << "#endif // GET_INSTRINFO_OPERAND_TYPES_ENUM\n";
}
/// Generate a table and function for looking up the indices of operands by
/// name.
///
/// This code generates:
/// - An enum in the llvm::TargetNamespace::OpName namespace, with one entry
/// for each operand name.
/// - A 2-dimensional table called OperandMap for mapping OpName enum values to
/// operand indices.
/// - A function called getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIdx)
/// for looking up the operand index for an instruction, given a value from
/// OpName enum
void InstrInfoEmitter::emitOperandNameMappings(raw_ostream &OS,
const CodeGenTarget &Target,
const std::vector<const CodeGenInstruction*> &NumberedInstructions) {
const std::string &Namespace = Target.getInstNamespace();
std::string OpNameNS = "OpName";
// Map of operand names to their enumeration value. This will be used to
// generate the OpName enum.
std::map<std::string, unsigned> Operands;
OpNameMapTy OperandMap;
initOperandMapData(NumberedInstructions, Namespace, Operands, OperandMap);
OS << "#ifdef GET_INSTRINFO_OPERAND_ENUM\n";
OS << "#undef GET_INSTRINFO_OPERAND_ENUM\n";
OS << "namespace llvm {\n";
OS << "namespace " << Namespace << " {\n";
OS << "namespace " << OpNameNS << " { \n";
OS << "enum {\n";
for (const auto &Op : Operands)
OS << " " << Op.first << " = " << Op.second << ",\n";
OS << "OPERAND_LAST";
OS << "\n};\n";
OS << "} // end namespace OpName\n";
OS << "} // end namespace " << Namespace << "\n";
OS << "} // end namespace llvm\n";
OS << "#endif //GET_INSTRINFO_OPERAND_ENUM\n";
OS << "#ifdef GET_INSTRINFO_NAMED_OPS\n";
OS << "#undef GET_INSTRINFO_NAMED_OPS\n";
OS << "namespace llvm {\n";
OS << "namespace " << Namespace << " {\n";
OS << "LLVM_READONLY\n";
OS << "int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIdx) {\n";
if (!Operands.empty()) {
OS << " static const int16_t OperandMap [][" << Operands.size()
<< "] = {\n";
for (const auto &Entry : OperandMap) {
const std::map<unsigned, unsigned> &OpList = Entry.first;
OS << "{";
// Emit a row of the OperandMap table
for (unsigned i = 0, e = Operands.size(); i != e; ++i)
OS << (OpList.count(i) == 0 ? -1 : (int)OpList.find(i)->second) << ", ";
OS << "},\n";
}
OS << "};\n";
OS << " switch(Opcode) {\n";
unsigned TableIndex = 0;
for (const auto &Entry : OperandMap) {
for (const std::string &Name : Entry.second)
OS << " case " << Name << ":\n";
OS << " return OperandMap[" << TableIndex++ << "][NamedIdx];\n";
}
OS << " default: return -1;\n";
OS << " }\n";
} else {
// There are no operands, so no need to emit anything
OS << " return -1;\n";
}
OS << "}\n";
OS << "} // end namespace " << Namespace << "\n";
OS << "} // end namespace llvm\n";
OS << "#endif //GET_INSTRINFO_NAMED_OPS\n";
}
/// Generate a table and function for looking up the indices of operands by
/// name.
///
/// This code generates:
/// - An enum in the llvm::TargetNamespace::OpName namespace, with one entry
/// for each operand name.
/// - A 2-dimensional table called OperandMap for mapping OpName enum values to
/// operand indices.
/// - A function called getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIdx)
/// for looking up the operand index for an instruction, given a value from
/// OpName enum
void InstrInfoEmitter::emitOperandNameMappings(raw_ostream &OS,
const CodeGenTarget &Target,
const std::vector<const CodeGenInstruction*> &NumberedInstructions) {
const std::string &Namespace = Target.getInstNamespace();
std::string OpNameNS = "OpName";
// Map of operand names to their enumeration value. This will be used to
// generate the OpName enum.
std::map<std::string, unsigned> Operands;
OpNameMapTy OperandMap;
initOperandMapData(NumberedInstructions, Namespace, Operands, OperandMap);
OS << "#ifdef GET_INSTRINFO_OPERAND_ENUM\n";
OS << "#undef GET_INSTRINFO_OPERAND_ENUM\n";
OS << "namespace llvm {";
OS << "namespace " << Namespace << " {\n";
OS << "namespace " << OpNameNS << " { \n";
OS << "enum {\n";
for (StrUintMapIter i = Operands.begin(), e = Operands.end(); i != e; ++i)
OS << " " << i->first << " = " << i->second << ",\n";
OS << "OPERAND_LAST";
OS << "\n};\n";
OS << "} // End namespace OpName\n";
OS << "} // End namespace " << Namespace << "\n";
OS << "} // End namespace llvm\n";
OS << "#endif //GET_INSTRINFO_OPERAND_ENUM\n";
OS << "#ifdef GET_INSTRINFO_NAMED_OPS\n";
OS << "#undef GET_INSTRINFO_NAMED_OPS\n";
OS << "namespace llvm {";
OS << "namespace " << Namespace << " {\n";
OS << "int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIdx) {\n";
OS << " static const int16_t OperandMap []["<< Operands.size() << "] = {\n";
for (OpNameMapTy::iterator i = OperandMap.begin(), e = OperandMap.end();
i != e; ++i) {
const std::map<unsigned, unsigned> &OpList = i->first;
OS << "{";
// Emit a row of the OperandMap table
for (unsigned ii = 0, ie = Operands.size(); ii != ie; ++ii)
OS << (OpList.count(ii) == 0 ? -1 : (int)OpList.find(ii)->second) << ", ";
OS << "},\n";
}
OS << "};\n";
OS << " switch(Opcode) {\n";
unsigned TableIndex = 0;
for (OpNameMapTy::iterator i = OperandMap.begin(), e = OperandMap.end();
i != e; ++i) {
std::vector<std::string> &OpcodeList = i->second;
for (unsigned ii = 0, ie = OpcodeList.size(); ii != ie; ++ii)
OS << " case " << OpcodeList[ii] << ":\n";
OS << " return OperandMap[" << TableIndex++ << "][NamedIdx];\n";
}
OS << " default: return -1;\n";
OS << " }\n";
OS << "}\n";
OS << "} // End namespace " << Namespace << "\n";
OS << "} // End namespace llvm\n";
OS << "#endif //GET_INSTRINFO_NAMED_OPS\n";
}
