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-rw-r--r--contrib/llvm/utils/TableGen/InstrInfoEmitter.cpp205
1 files changed, 198 insertions, 7 deletions
diff --git a/contrib/llvm/utils/TableGen/InstrInfoEmitter.cpp b/contrib/llvm/utils/TableGen/InstrInfoEmitter.cpp
index d6020a8..d3d9cc1 100644
--- a/contrib/llvm/utils/TableGen/InstrInfoEmitter.cpp
+++ b/contrib/llvm/utils/TableGen/InstrInfoEmitter.cpp
@@ -45,11 +45,26 @@ private:
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);
@@ -118,8 +133,8 @@ InstrInfoEmitter::GetOperandInfo(const CodeGenInstruction &Inst) {
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 (Inst.Operands[i].Rec->isSubClassOf("PredicateOp"))
Res += "|(1<<MCOI::Predicate)";
// Optional def operands. Check to see if the original unexpanded operand
@@ -176,6 +191,155 @@ void InstrInfoEmitter::EmitOperandInfo(raw_ostream &OS,
}
}
+
+/// 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 (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
+ const CodeGenInstruction *Inst = NumberedInstructions[i];
+ if (!Inst->TheDef->getValueAsBit("UseNamedOperandTable")) {
+ continue;
+ }
+ std::map<unsigned, unsigned> OpList;
+ for (unsigned j = 0, je = Inst->Operands.size(); j != je; ++j) {
+ const CGIOperandList::OperandInfo &Info = Inst->Operands[j];
+ 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 {";
+ 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";
+ if (!Operands.empty()) {
+ 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";
+ } 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 {";
+ 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";
+}
+
//===----------------------------------------------------------------------===//
// Main Output.
//===----------------------------------------------------------------------===//
@@ -273,13 +437,14 @@ void InstrInfoEmitter::run(raw_ostream &OS) {
OS << "namespace llvm {\n";
OS << "struct " << ClassName << " : public TargetInstrInfo {\n"
<< " explicit " << ClassName << "(int SO = -1, int DO = -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";
@@ -289,10 +454,15 @@ void InstrInfoEmitter::run(raw_ostream &OS) {
<< " : TargetInstrInfo(SO, DO) {\n"
<< " InitMCInstrInfo(" << TargetName << "Insts, "
<< TargetName << "InstrNameIndices, " << TargetName << "InstrNameData, "
- << NumberedInstructions.size() << ");\n}\n";
+ << 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,
@@ -377,6 +547,19 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
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
+ << ",0";
+ else
+ // Instruction isn't deprecated.
+ OS << ",0,0";
+
OS << " }, // Inst #" << Num << " = " << Inst.TheDef->getName() << "\n";
}
@@ -408,7 +591,15 @@ void InstrInfoEmitter::emitEnums(raw_ostream &OS) {
<< "\t= " << i << ",\n";
}
OS << " INSTRUCTION_LIST_END = " << NumberedInstructions.size() << "\n";
- OS << " };\n}\n";
+ OS << " };\n";
+ OS << "namespace Sched {\n";
+ OS << " enum {\n";
+ for (unsigned i = 0, e = SchedModels.numInstrSchedClasses(); i != e; ++i) {
+ OS << " " << SchedModels.getSchedClass(i).Name
+ << "\t= " << i << ",\n";
+ }
+ OS << " SCHED_LIST_END = " << SchedModels.numInstrSchedClasses() << "\n";
+ OS << " };\n}\n}\n";
OS << "} // End llvm namespace \n";
OS << "#endif // GET_INSTRINFO_ENUM\n\n";
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