#include "CodeGenDAGPatterns.h"
#include "CodeGenSchedule.h"
#include "CodeGenTarget.h"
-#include "TableGenBackends.h"
#include "SequenceToOffsetTable.h"
+#include "TableGenBackends.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
void emitEnums(raw_ostream &OS);
typedef std::map<std::vector<std::string>, unsigned> OperandInfoMapTy;
+
+ /// The keys of this map are maps which have OpName enum values as their keys
+ /// and instruction operand indices as their values. The values of this map
+ /// are lists of instruction names.
+ typedef std::map<std::map<unsigned, unsigned>,
+ std::vector<std::string> > OpNameMapTy;
+ typedef std::map<std::string, unsigned>::iterator StrUintMapIter;
void emitRecord(const CodeGenInstruction &Inst, unsigned Num,
Record *InstrInfo,
std::map<std::vector<Record*>, unsigned> &EL,
const OperandInfoMapTy &OpInfo,
raw_ostream &OS);
+ void emitOperandTypesEnum(raw_ostream &OS, const CodeGenTarget &Target);
+ void initOperandMapData(
+ const std::vector<const CodeGenInstruction *> &NumberedInstructions,
+ const std::string &Namespace,
+ std::map<std::string, unsigned> &Operands,
+ OpNameMapTy &OperandMap);
+ void emitOperandNameMappings(raw_ostream &OS, const CodeGenTarget &Target,
+ const std::vector<const CodeGenInstruction*> &NumberedInstructions);
// Operand information.
void EmitOperandInfo(raw_ostream &OS, OperandInfoMapTy &OperandInfoIDs);
InstrInfoEmitter::GetOperandInfo(const CodeGenInstruction &Inst) {
std::vector<std::string> Result;
- for (unsigned i = 0, e = Inst.Operands.size(); i != e; ++i) {
+ for (auto &Op : Inst.Operands) {
// Handle aggregate operands and normal operands the same way by expanding
// either case into a list of operands for this op.
std::vector<CGIOperandList::OperandInfo> OperandList;
// registers in their multi-operand operands. It may also be an anonymous
// operand, which has a single operand, but no declared class for the
// operand.
- DagInit *MIOI = Inst.Operands[i].MIOperandInfo;
+ DagInit *MIOI = Op.MIOperandInfo;
if (!MIOI || MIOI->getNumArgs() == 0) {
// Single, anonymous, operand.
- OperandList.push_back(Inst.Operands[i]);
+ OperandList.push_back(Op);
} else {
- for (unsigned j = 0, e = Inst.Operands[i].MINumOperands; j != e; ++j) {
- OperandList.push_back(Inst.Operands[i]);
+ for (unsigned j = 0, e = Op.MINumOperands; j != e; ++j) {
+ OperandList.push_back(Op);
Record *OpR = cast<DefInit>(MIOI->getArg(j))->getDef();
OperandList.back().Rec = OpR;
Res += "|(1<<MCOI::LookupPtrRegClass)";
// Predicate operands. Check to see if the original unexpanded operand
- // was of type PredicateOperand.
- if (Inst.Operands[i].Rec->isSubClassOf("PredicateOperand"))
+ // was of type PredicateOp.
+ if (Op.Rec->isSubClassOf("PredicateOp"))
Res += "|(1<<MCOI::Predicate)";
// Optional def operands. Check to see if the original unexpanded operand
// was of type OptionalDefOperand.
- if (Inst.Operands[i].Rec->isSubClassOf("OptionalDefOperand"))
+ if (Op.Rec->isSubClassOf("OptionalDefOperand"))
Res += "|(1<<MCOI::OptionalDef)";
// Fill in operand type.
- Res += ", MCOI::";
- assert(!Inst.Operands[i].OperandType.empty() && "Invalid operand type.");
- Res += Inst.Operands[i].OperandType;
+ Res += ", ";
+ assert(!Op.OperandType.empty() && "Invalid operand type.");
+ Res += Op.OperandType;
// Fill in constraint info.
Res += ", ";
const CGIOperandList::ConstraintInfo &Constraint =
- Inst.Operands[i].Constraints[j];
+ Op.Constraints[j];
if (Constraint.isNone())
Res += "0";
else if (Constraint.isEarlyClobber())
OS << "\n";
const CodeGenTarget &Target = CDP.getTargetInfo();
- for (CodeGenTarget::inst_iterator II = Target.inst_begin(),
- E = Target.inst_end(); II != E; ++II) {
- std::vector<std::string> OperandInfo = GetOperandInfo(**II);
+ for (const CodeGenInstruction *Inst : Target.instructions()) {
+ std::vector<std::string> OperandInfo = GetOperandInfo(*Inst);
unsigned &N = OperandInfoIDs[OperandInfo];
if (N != 0) continue;
N = ++OperandListNum;
OS << "static const MCOperandInfo OperandInfo" << N << "[] = { ";
- for (unsigned i = 0, e = OperandInfo.size(); i != e; ++i)
- OS << "{ " << OperandInfo[i] << " }, ";
+ for (const std::string &Info : OperandInfo)
+ OS << "{ " << Info << " }, ";
OS << "};\n";
}
}
+
+/// Initialize data structures for generating operand name mappings.
+///
+/// \param Operands [out] A map used to generate the OpName enum with operand
+/// names as its keys and operand enum values as its values.
+/// \param OperandMap [out] A map for representing the operand name mappings for
+/// each instructions. This is used to generate the OperandMap table as
+/// well as the getNamedOperandIdx() function.
+void InstrInfoEmitter::initOperandMapData(
+ const std::vector<const CodeGenInstruction *> &NumberedInstructions,
+ const std::string &Namespace,
+ std::map<std::string, unsigned> &Operands,
+ OpNameMapTy &OperandMap) {
+
+ unsigned NumOperands = 0;
+ for (const CodeGenInstruction *Inst : NumberedInstructions) {
+ if (!Inst->TheDef->getValueAsBit("UseNamedOperandTable"))
+ continue;
+ std::map<unsigned, unsigned> OpList;
+ for (const auto &Info : Inst->Operands) {
+ StrUintMapIter I = Operands.find(Info.Name);
+
+ if (I == Operands.end()) {
+ I = Operands.insert(Operands.begin(),
+ std::pair<std::string, unsigned>(Info.Name, NumOperands++));
+ }
+ OpList[I->second] = Info.MIOperandNo;
+ }
+ OperandMap[OpList].push_back(Namespace + "::" + Inst->TheDef->getName());
+ }
+}
+
+/// 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 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 {\n";
+ OS << "namespace " << Namespace << " {\n";
+ OS << "namespace OpTypes { \n";
+ OS << "enum OperandType {\n";
+
+ unsigned EnumVal = 0;
+ for (const Record *Op : Operands) {
+ if (!Op->isAnonymous())
+ OS << " " << Op->getName() << " = " << EnumVal << ",\n";
+ ++EnumVal;
+ }
+
+ 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";
+}
+
//===----------------------------------------------------------------------===//
// Main Output.
//===----------------------------------------------------------------------===//
unsigned ListNumber = 0;
// Emit all of the instruction's implicit uses and defs.
- for (CodeGenTarget::inst_iterator II = Target.inst_begin(),
- E = Target.inst_end(); II != E; ++II) {
- Record *Inst = (*II)->TheDef;
+ for (const CodeGenInstruction *II : Target.instructions()) {
+ Record *Inst = II->TheDef;
std::vector<Record*> Uses = Inst->getValueAsListOfDefs("Uses");
if (!Uses.empty()) {
unsigned &IL = EmittedLists[Uses];
const std::vector<const CodeGenInstruction*> &NumberedInstructions =
Target.getInstructionsByEnumValue();
- for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i)
- emitRecord(*NumberedInstructions[i], i, InstrInfo, EmittedLists,
- OperandInfoIDs, OS);
- OS << "};\n\n";
-
- // Build an array of instruction names
SequenceToOffsetTable<std::string> InstrNames;
- for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
- const CodeGenInstruction *Instr = NumberedInstructions[i];
- InstrNames.add(Instr->TheDef->getName());
+ unsigned Num = 0;
+ for (const CodeGenInstruction *Inst : NumberedInstructions) {
+ // Keep a list of the instruction names.
+ InstrNames.add(Inst->TheDef->getName());
+ // Emit the record into the table.
+ emitRecord(*Inst, Num++, InstrInfo, EmittedLists, OperandInfoIDs, OS);
}
+ OS << "};\n\n";
+ // Emit the array of instruction names.
InstrNames.layout();
OS << "extern const char " << TargetName << "InstrNameData[] = {\n";
InstrNames.emit(OS, printChar);
OS << "};\n\n";
OS << "extern const unsigned " << TargetName <<"InstrNameIndices[] = {";
- for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
- if (i % 8 == 0)
+ Num = 0;
+ for (const CodeGenInstruction *Inst : NumberedInstructions) {
+ // Newline every eight entries.
+ if (Num % 8 == 0)
OS << "\n ";
- const CodeGenInstruction *Instr = NumberedInstructions[i];
- OS << InstrNames.get(Instr->TheDef->getName()) << "U, ";
+ OS << InstrNames.get(Inst->TheDef->getName()) << "U, ";
+ ++Num;
}
OS << "\n};\n\n";
std::string ClassName = TargetName + "GenInstrInfo";
OS << "namespace llvm {\n";
- OS << "struct " << ClassName << " : public TargetInstrInfoImpl {\n"
- << " explicit " << ClassName << "(int SO = -1, int DO = -1);\n"
+ OS << "struct " << ClassName << " : public TargetInstrInfo {\n"
+ << " explicit " << ClassName
+ << "(int CFSetupOpcode = -1, int CFDestroyOpcode = -1);\n"
+ << " virtual ~" << ClassName << "();\n"
<< "};\n";
OS << "} // End llvm namespace \n";
OS << "#endif // GET_INSTRINFO_HEADER\n\n";
- OS << "\n#ifdef GET_INSTRINFO_CTOR\n";
- OS << "#undef GET_INSTRINFO_CTOR\n";
+ OS << "\n#ifdef GET_INSTRINFO_CTOR_DTOR\n";
+ OS << "#undef GET_INSTRINFO_CTOR_DTOR\n";
OS << "namespace llvm {\n";
OS << "extern const MCInstrDesc " << TargetName << "Insts[];\n";
OS << "extern const unsigned " << TargetName << "InstrNameIndices[];\n";
OS << "extern const char " << TargetName << "InstrNameData[];\n";
- OS << ClassName << "::" << ClassName << "(int SO, int DO)\n"
- << " : TargetInstrInfoImpl(SO, DO) {\n"
- << " InitMCInstrInfo(" << TargetName << "Insts, "
- << TargetName << "InstrNameIndices, " << TargetName << "InstrNameData, "
- << NumberedInstructions.size() << ");\n}\n";
+ OS << ClassName << "::" << ClassName
+ << "(int CFSetupOpcode, int CFDestroyOpcode)\n"
+ << " : TargetInstrInfo(CFSetupOpcode, CFDestroyOpcode) {\n"
+ << " InitMCInstrInfo(" << TargetName << "Insts, " << TargetName
+ << "InstrNameIndices, " << TargetName << "InstrNameData, "
+ << NumberedInstructions.size() << ");\n}\n"
+ << ClassName << "::~" << ClassName << "() {}\n";
OS << "} // End llvm namespace \n";
- OS << "#endif // GET_INSTRINFO_CTOR\n\n";
+ OS << "#endif // GET_INSTRINFO_CTOR_DTOR\n\n";
+
+ emitOperandNameMappings(OS, Target, NumberedInstructions);
+
+ emitOperandTypesEnum(OS, Target);
}
void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
<< SchedModels.getSchedClassIdx(Inst) << ",\t"
<< Inst.TheDef->getValueAsInt("Size") << ",\t0";
- // Emit all of the target indepedent flags...
+ // Emit all of the target independent flags...
if (Inst.isPseudo) OS << "|(1<<MCID::Pseudo)";
if (Inst.isReturn) OS << "|(1<<MCID::Return)";
if (Inst.isBranch) OS << "|(1<<MCID::Branch)";
if (Inst.isAsCheapAsAMove) OS << "|(1<<MCID::CheapAsAMove)";
if (Inst.hasExtraSrcRegAllocReq) OS << "|(1<<MCID::ExtraSrcRegAllocReq)";
if (Inst.hasExtraDefRegAllocReq) OS << "|(1<<MCID::ExtraDefRegAllocReq)";
+ if (Inst.isRegSequence) OS << "|(1<<MCID::RegSequence)";
+ if (Inst.isExtractSubreg) OS << "|(1<<MCID::ExtractSubreg)";
+ if (Inst.isInsertSubreg) OS << "|(1<<MCID::InsertSubreg)";
// Emit all of the target-specific flags...
BitsInit *TSF = Inst.TheDef->getValueAsBitsInit("TSFlags");
// Emit the implicit uses and defs lists...
std::vector<Record*> UseList = Inst.TheDef->getValueAsListOfDefs("Uses");
if (UseList.empty())
- OS << "NULL, ";
+ OS << "nullptr, ";
else
OS << "ImplicitList" << EmittedLists[UseList] << ", ";
std::vector<Record*> DefList = Inst.TheDef->getValueAsListOfDefs("Defs");
if (DefList.empty())
- OS << "NULL, ";
+ OS << "nullptr, ";
else
OS << "ImplicitList" << EmittedLists[DefList] << ", ";
// Emit the operand info.
std::vector<std::string> OperandInfo = GetOperandInfo(Inst);
if (OperandInfo.empty())
- OS << "0";
+ OS << "nullptr";
else
OS << "OperandInfo" << OpInfo.find(OperandInfo)->second;
+ CodeGenTarget &Target = CDP.getTargetInfo();
+ if (Inst.HasComplexDeprecationPredicate)
+ // Emit a function pointer to the complex predicate method.
+ OS << ",0"
+ << ",&get" << Inst.DeprecatedReason << "DeprecationInfo";
+ else if (!Inst.DeprecatedReason.empty())
+ // Emit the Subtarget feature.
+ OS << "," << Target.getInstNamespace() << "::" << Inst.DeprecatedReason
+ << ",nullptr";
+ else
+ // Instruction isn't deprecated.
+ OS << ",0,nullptr";
+
OS << " }, // Inst #" << Num << " = " << Inst.TheDef->getName() << "\n";
}
OS << "namespace " << Namespace << " {\n";
OS << " enum {\n";
- for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
- OS << " " << NumberedInstructions[i]->TheDef->getName()
- << "\t= " << i << ",\n";
- }
+ unsigned Num = 0;
+ for (const CodeGenInstruction *Inst : NumberedInstructions)
+ OS << " " << Inst->TheDef->getName() << "\t= " << Num++ << ",\n";
OS << " INSTRUCTION_LIST_END = " << NumberedInstructions.size() << "\n";
- OS << " };\n}\n";
+ OS << " };\n\n";
+ OS << "namespace Sched {\n";
+ OS << " enum {\n";
+ Num = 0;
+ for (const auto &Class : SchedModels.explicit_classes())
+ OS << " " << Class.Name << "\t= " << Num++ << ",\n";
+ OS << " SCHED_LIST_END = " << SchedModels.numInstrSchedClasses() << "\n";
+ OS << " };\n";
+ OS << "} // End Sched namespace\n";
+ OS << "} // End " << Namespace << " namespace\n";
OS << "} // End llvm namespace \n";
OS << "#endif // GET_INSTRINFO_ENUM\n\n";
projects / oota-llvm.git / blobdiff