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	This patch removes most of the trivial cases of weak vtables by pinning them to a single object file. The memory leaks in this version have been fixed. Thanks Alexey for pointing them out. Differential Revision: http://llvm-reviews.chandlerc.com/D2068 Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			616 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			616 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===- InstrInfoEmitter.cpp - Generate a Instruction Set Desc. ------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This tablegen backend is responsible for emitting a description of the target
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// instruction set for the code generator.
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//
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//===----------------------------------------------------------------------===//
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#include "CodeGenDAGPatterns.h"
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#include "CodeGenSchedule.h"
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#include "CodeGenTarget.h"
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#include "SequenceToOffsetTable.h"
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#include "TableGenBackends.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/TableGen/Error.h"
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#include "llvm/TableGen/Record.h"
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#include "llvm/TableGen/TableGenBackend.h"
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#include <algorithm>
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#include <cstdio>
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#include <map>
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#include <vector>
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using namespace llvm;
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namespace {
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class InstrInfoEmitter {
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  RecordKeeper &Records;
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  CodeGenDAGPatterns CDP;
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  const CodeGenSchedModels &SchedModels;
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public:
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  InstrInfoEmitter(RecordKeeper &R):
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    Records(R), CDP(R), SchedModels(CDP.getTargetInfo().getSchedModels()) {}
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  // run - Output the instruction set description.
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  void run(raw_ostream &OS);
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private:
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  void emitEnums(raw_ostream &OS);
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  typedef std::map<std::vector<std::string>, unsigned> OperandInfoMapTy;
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  /// The keys of this map are maps which have OpName enum values as their keys
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  /// and instruction operand indices as their values.  The values of this map
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  /// are lists of instruction names.
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  typedef std::map<std::map<unsigned, unsigned>,
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                   std::vector<std::string> > OpNameMapTy;
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  typedef std::map<std::string, unsigned>::iterator StrUintMapIter;
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  void emitRecord(const CodeGenInstruction &Inst, unsigned Num,
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                  Record *InstrInfo,
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                  std::map<std::vector<Record*>, unsigned> &EL,
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                  const OperandInfoMapTy &OpInfo,
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                  raw_ostream &OS);
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  void emitOperandTypesEnum(raw_ostream &OS, const CodeGenTarget &Target);
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  void initOperandMapData(
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             const std::vector<const CodeGenInstruction *> NumberedInstructions,
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             const std::string &Namespace,
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             std::map<std::string, unsigned> &Operands,
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             OpNameMapTy &OperandMap);
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  void emitOperandNameMappings(raw_ostream &OS, const CodeGenTarget &Target,
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            const std::vector<const CodeGenInstruction*> &NumberedInstructions);
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  // Operand information.
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  void EmitOperandInfo(raw_ostream &OS, OperandInfoMapTy &OperandInfoIDs);
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  std::vector<std::string> GetOperandInfo(const CodeGenInstruction &Inst);
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};
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} // End anonymous namespace
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static void PrintDefList(const std::vector<Record*> &Uses,
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                         unsigned Num, raw_ostream &OS) {
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  OS << "static const uint16_t ImplicitList" << Num << "[] = { ";
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  for (unsigned i = 0, e = Uses.size(); i != e; ++i)
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    OS << getQualifiedName(Uses[i]) << ", ";
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  OS << "0 };\n";
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}
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//===----------------------------------------------------------------------===//
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// Operand Info Emission.
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//===----------------------------------------------------------------------===//
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std::vector<std::string>
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InstrInfoEmitter::GetOperandInfo(const CodeGenInstruction &Inst) {
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  std::vector<std::string> Result;
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  for (unsigned i = 0, e = Inst.Operands.size(); i != e; ++i) {
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    // Handle aggregate operands and normal operands the same way by expanding
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    // either case into a list of operands for this op.
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    std::vector<CGIOperandList::OperandInfo> OperandList;
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    // This might be a multiple operand thing.  Targets like X86 have
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    // registers in their multi-operand operands.  It may also be an anonymous
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    // operand, which has a single operand, but no declared class for the
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    // operand.
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    DagInit *MIOI = Inst.Operands[i].MIOperandInfo;
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    if (!MIOI || MIOI->getNumArgs() == 0) {
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      // Single, anonymous, operand.
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      OperandList.push_back(Inst.Operands[i]);
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    } else {
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      for (unsigned j = 0, e = Inst.Operands[i].MINumOperands; j != e; ++j) {
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        OperandList.push_back(Inst.Operands[i]);
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        Record *OpR = cast<DefInit>(MIOI->getArg(j))->getDef();
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        OperandList.back().Rec = OpR;
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      }
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    }
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    for (unsigned j = 0, e = OperandList.size(); j != e; ++j) {
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      Record *OpR = OperandList[j].Rec;
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      std::string Res;
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      if (OpR->isSubClassOf("RegisterOperand"))
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        OpR = OpR->getValueAsDef("RegClass");
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      if (OpR->isSubClassOf("RegisterClass"))
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        Res += getQualifiedName(OpR) + "RegClassID, ";
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      else if (OpR->isSubClassOf("PointerLikeRegClass"))
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        Res += utostr(OpR->getValueAsInt("RegClassKind")) + ", ";
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      else
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        // -1 means the operand does not have a fixed register class.
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        Res += "-1, ";
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      // Fill in applicable flags.
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      Res += "0";
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      // Ptr value whose register class is resolved via callback.
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      if (OpR->isSubClassOf("PointerLikeRegClass"))
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        Res += "|(1<<MCOI::LookupPtrRegClass)";
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      // Predicate operands.  Check to see if the original unexpanded operand
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      // was of type PredicateOp.
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      if (Inst.Operands[i].Rec->isSubClassOf("PredicateOp"))
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        Res += "|(1<<MCOI::Predicate)";
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      // Optional def operands.  Check to see if the original unexpanded operand
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      // was of type OptionalDefOperand.
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      if (Inst.Operands[i].Rec->isSubClassOf("OptionalDefOperand"))
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        Res += "|(1<<MCOI::OptionalDef)";
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      // Fill in operand type.
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      Res += ", MCOI::";
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      assert(!Inst.Operands[i].OperandType.empty() && "Invalid operand type.");
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      Res += Inst.Operands[i].OperandType;
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      // Fill in constraint info.
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      Res += ", ";
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      const CGIOperandList::ConstraintInfo &Constraint =
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        Inst.Operands[i].Constraints[j];
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      if (Constraint.isNone())
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        Res += "0";
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      else if (Constraint.isEarlyClobber())
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        Res += "(1 << MCOI::EARLY_CLOBBER)";
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      else {
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        assert(Constraint.isTied());
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        Res += "((" + utostr(Constraint.getTiedOperand()) +
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                    " << 16) | (1 << MCOI::TIED_TO))";
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      }
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      Result.push_back(Res);
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    }
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  }
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  return Result;
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}
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void InstrInfoEmitter::EmitOperandInfo(raw_ostream &OS,
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                                       OperandInfoMapTy &OperandInfoIDs) {
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  // ID #0 is for no operand info.
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  unsigned OperandListNum = 0;
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  OperandInfoIDs[std::vector<std::string>()] = ++OperandListNum;
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  OS << "\n";
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  const CodeGenTarget &Target = CDP.getTargetInfo();
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  for (CodeGenTarget::inst_iterator II = Target.inst_begin(),
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       E = Target.inst_end(); II != E; ++II) {
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    std::vector<std::string> OperandInfo = GetOperandInfo(**II);
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    unsigned &N = OperandInfoIDs[OperandInfo];
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    if (N != 0) continue;
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    N = ++OperandListNum;
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    OS << "static const MCOperandInfo OperandInfo" << N << "[] = { ";
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    for (unsigned i = 0, e = OperandInfo.size(); i != e; ++i)
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      OS << "{ " << OperandInfo[i] << " }, ";
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    OS << "};\n";
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  }
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}
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/// Initialize data structures for generating operand name mappings.
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/// 
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/// \param Operands [out] A map used to generate the OpName enum with operand
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///        names as its keys and operand enum values as its values.
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/// \param OperandMap [out] A map for representing the operand name mappings for
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///        each instructions.  This is used to generate the OperandMap table as
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///        well as the getNamedOperandIdx() function.
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void InstrInfoEmitter::initOperandMapData(
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        const std::vector<const CodeGenInstruction *> NumberedInstructions,
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        const std::string &Namespace,
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        std::map<std::string, unsigned> &Operands,
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        OpNameMapTy &OperandMap) {
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  unsigned NumOperands = 0;
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  for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
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    const CodeGenInstruction *Inst = NumberedInstructions[i];
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    if (!Inst->TheDef->getValueAsBit("UseNamedOperandTable")) {
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      continue;
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    }
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    std::map<unsigned, unsigned> OpList;
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    for (unsigned j = 0, je = Inst->Operands.size(); j != je; ++j) {
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      const CGIOperandList::OperandInfo &Info = Inst->Operands[j];
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      StrUintMapIter I = Operands.find(Info.Name);
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      if (I == Operands.end()) {
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        I = Operands.insert(Operands.begin(),
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                    std::pair<std::string, unsigned>(Info.Name, NumOperands++));
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      }
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      OpList[I->second] = Info.MIOperandNo;
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    }
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    OperandMap[OpList].push_back(Namespace + "::" + Inst->TheDef->getName());
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  }
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}
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/// Generate a table and function for looking up the indices of operands by
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/// name.
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///
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/// This code generates:
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/// - An enum in the llvm::TargetNamespace::OpName namespace, with one entry
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///   for each operand name.
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/// - A 2-dimensional table called OperandMap for mapping OpName enum values to
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///   operand indices.
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/// - A function called getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIdx)
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///   for looking up the operand index for an instruction, given a value from
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///   OpName enum
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void InstrInfoEmitter::emitOperandNameMappings(raw_ostream &OS,
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           const CodeGenTarget &Target,
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           const std::vector<const CodeGenInstruction*> &NumberedInstructions) {
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  const std::string &Namespace = Target.getInstNamespace();
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  std::string OpNameNS = "OpName";
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  // Map of operand names to their enumeration value.  This will be used to
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  // generate the OpName enum.
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  std::map<std::string, unsigned> Operands;
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  OpNameMapTy OperandMap;
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  initOperandMapData(NumberedInstructions, Namespace, Operands, OperandMap);
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  OS << "#ifdef GET_INSTRINFO_OPERAND_ENUM\n";
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  OS << "#undef GET_INSTRINFO_OPERAND_ENUM\n";
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  OS << "namespace llvm {";
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  OS << "namespace " << Namespace << " {\n";
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  OS << "namespace " << OpNameNS << " { \n";
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  OS << "enum {\n";
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  for (StrUintMapIter i = Operands.begin(), e = Operands.end(); i != e; ++i)
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    OS << "  " << i->first << " = " << i->second << ",\n";
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  OS << "OPERAND_LAST";
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  OS << "\n};\n";
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  OS << "} // End namespace OpName\n";
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  OS << "} // End namespace " << Namespace << "\n";
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  OS << "} // End namespace llvm\n";
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  OS << "#endif //GET_INSTRINFO_OPERAND_ENUM\n";
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  OS << "#ifdef GET_INSTRINFO_NAMED_OPS\n";
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  OS << "#undef GET_INSTRINFO_NAMED_OPS\n";
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  OS << "namespace llvm {";
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  OS << "namespace " << Namespace << " {\n";
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  OS << "int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIdx) {\n";
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  if (!Operands.empty()) {
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    OS << "  static const int16_t OperandMap [][" << Operands.size()
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       << "] = {\n";
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    for (OpNameMapTy::iterator i = OperandMap.begin(), e = OperandMap.end();
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                                                       i != e; ++i) {
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      const std::map<unsigned, unsigned> &OpList = i->first;
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      OS << "{";
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      // Emit a row of the OperandMap table
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      for (unsigned ii = 0, ie = Operands.size(); ii != ie; ++ii)
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        OS << (OpList.count(ii) == 0 ? -1 : (int)OpList.find(ii)->second)
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           << ", ";
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      OS << "},\n";
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    }
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    OS << "};\n";
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    OS << "  switch(Opcode) {\n";
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    unsigned TableIndex = 0;
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    for (OpNameMapTy::iterator i = OperandMap.begin(), e = OperandMap.end();
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                                                       i != e; ++i) {
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      std::vector<std::string> &OpcodeList = i->second;
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      for (unsigned ii = 0, ie = OpcodeList.size(); ii != ie; ++ii)
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        OS << "  case " << OpcodeList[ii] << ":\n";
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      OS << "    return OperandMap[" << TableIndex++ << "][NamedIdx];\n";
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    }
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    OS << "    default: return -1;\n";
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    OS << "  }\n";
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  } else {
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    // There are no operands, so no need to emit anything
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    OS << "  return -1;\n";
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  }
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  OS << "}\n";
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  OS << "} // End namespace " << Namespace << "\n";
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  OS << "} // End namespace llvm\n";
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  OS << "#endif //GET_INSTRINFO_NAMED_OPS\n";
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}
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/// Generate an enum for all the operand types for this target, under the
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/// llvm::TargetNamespace::OpTypes namespace.
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/// Operand types are all definitions derived of the Operand Target.td class.
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void InstrInfoEmitter::emitOperandTypesEnum(raw_ostream &OS,
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                                            const CodeGenTarget &Target) {
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  const std::string &Namespace = Target.getInstNamespace();
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  std::vector<Record *> Operands = Records.getAllDerivedDefinitions("Operand");
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  OS << "\n#ifdef GET_INSTRINFO_OPERAND_TYPES_ENUM\n";
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  OS << "#undef GET_INSTRINFO_OPERAND_TYPES_ENUM\n";
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  OS << "namespace llvm {";
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  OS << "namespace " << Namespace << " {\n";
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  OS << "namespace OpTypes { \n";
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  OS << "enum OperandType {\n";
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  for (unsigned oi = 0, oe = Operands.size(); oi != oe; ++oi) {
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    if (!Operands[oi]->isAnonymous())
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      OS << "  " << Operands[oi]->getName() << " = " << oi << ",\n";
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  }
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  OS << "  OPERAND_TYPE_LIST_END" << "\n};\n";
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  OS << "} // End namespace OpTypes\n";
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  OS << "} // End namespace " << Namespace << "\n";
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  OS << "} // End namespace llvm\n";
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  OS << "#endif // GET_INSTRINFO_OPERAND_TYPES_ENUM\n";
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}
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//===----------------------------------------------------------------------===//
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// Main Output.
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//===----------------------------------------------------------------------===//
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// run - Emit the main instruction description records for the target...
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void InstrInfoEmitter::run(raw_ostream &OS) {
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  emitSourceFileHeader("Target Instruction Enum Values", OS);
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  emitEnums(OS);
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  emitSourceFileHeader("Target Instruction Descriptors", OS);
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  OS << "\n#ifdef GET_INSTRINFO_MC_DESC\n";
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  OS << "#undef GET_INSTRINFO_MC_DESC\n";
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  OS << "namespace llvm {\n\n";
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  CodeGenTarget &Target = CDP.getTargetInfo();
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  const std::string &TargetName = Target.getName();
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  Record *InstrInfo = Target.getInstructionSet();
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  // Keep track of all of the def lists we have emitted already.
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  std::map<std::vector<Record*>, unsigned> EmittedLists;
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  unsigned ListNumber = 0;
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  // Emit all of the instruction's implicit uses and defs.
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  for (CodeGenTarget::inst_iterator II = Target.inst_begin(),
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         E = Target.inst_end(); II != E; ++II) {
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    Record *Inst = (*II)->TheDef;
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    std::vector<Record*> Uses = Inst->getValueAsListOfDefs("Uses");
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    if (!Uses.empty()) {
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      unsigned &IL = EmittedLists[Uses];
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      if (!IL) PrintDefList(Uses, IL = ++ListNumber, OS);
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    }
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    std::vector<Record*> Defs = Inst->getValueAsListOfDefs("Defs");
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    if (!Defs.empty()) {
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      unsigned &IL = EmittedLists[Defs];
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      if (!IL) PrintDefList(Defs, IL = ++ListNumber, OS);
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    }
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  }
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  OperandInfoMapTy OperandInfoIDs;
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  // Emit all of the operand info records.
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  EmitOperandInfo(OS, OperandInfoIDs);
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  // Emit all of the MCInstrDesc records in their ENUM ordering.
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  //
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  OS << "\nextern const MCInstrDesc " << TargetName << "Insts[] = {\n";
 | 
						|
  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());
 | 
						|
  }
 | 
						|
 | 
						|
  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)
 | 
						|
      OS << "\n    ";
 | 
						|
    const CodeGenInstruction *Instr = NumberedInstructions[i];
 | 
						|
    OS << InstrNames.get(Instr->TheDef->getName()) << "U, ";
 | 
						|
  }
 | 
						|
 | 
						|
  OS << "\n};\n\n";
 | 
						|
 | 
						|
  // MCInstrInfo initialization routine.
 | 
						|
  OS << "static inline void Init" << TargetName
 | 
						|
     << "MCInstrInfo(MCInstrInfo *II) {\n";
 | 
						|
  OS << "  II->InitMCInstrInfo(" << TargetName << "Insts, "
 | 
						|
     << TargetName << "InstrNameIndices, " << TargetName << "InstrNameData, "
 | 
						|
     << NumberedInstructions.size() << ");\n}\n\n";
 | 
						|
 | 
						|
  OS << "} // End llvm namespace \n";
 | 
						|
 | 
						|
  OS << "#endif // GET_INSTRINFO_MC_DESC\n\n";
 | 
						|
 | 
						|
  // Create a TargetInstrInfo subclass to hide the MC layer initialization.
 | 
						|
  OS << "\n#ifdef GET_INSTRINFO_HEADER\n";
 | 
						|
  OS << "#undef GET_INSTRINFO_HEADER\n";
 | 
						|
 | 
						|
  std::string ClassName = TargetName + "GenInstrInfo";
 | 
						|
  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_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"
 | 
						|
     << "  : TargetInstrInfo(SO, DO) {\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_DTOR\n\n";
 | 
						|
 | 
						|
  emitOperandNameMappings(OS, Target, NumberedInstructions);
 | 
						|
 | 
						|
  emitOperandTypesEnum(OS, Target);
 | 
						|
}
 | 
						|
 | 
						|
void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
 | 
						|
                                  Record *InstrInfo,
 | 
						|
                         std::map<std::vector<Record*>, unsigned> &EmittedLists,
 | 
						|
                                  const OperandInfoMapTy &OpInfo,
 | 
						|
                                  raw_ostream &OS) {
 | 
						|
  int MinOperands = 0;
 | 
						|
  if (!Inst.Operands.empty())
 | 
						|
    // Each logical operand can be multiple MI operands.
 | 
						|
    MinOperands = Inst.Operands.back().MIOperandNo +
 | 
						|
                  Inst.Operands.back().MINumOperands;
 | 
						|
 | 
						|
  OS << "  { ";
 | 
						|
  OS << Num << ",\t" << MinOperands << ",\t"
 | 
						|
     << Inst.Operands.NumDefs << ",\t"
 | 
						|
     << SchedModels.getSchedClassIdx(Inst) << ",\t"
 | 
						|
     << Inst.TheDef->getValueAsInt("Size") << ",\t0";
 | 
						|
 | 
						|
  // Emit all of the target indepedent flags...
 | 
						|
  if (Inst.isPseudo)           OS << "|(1<<MCID::Pseudo)";
 | 
						|
  if (Inst.isReturn)           OS << "|(1<<MCID::Return)";
 | 
						|
  if (Inst.isBranch)           OS << "|(1<<MCID::Branch)";
 | 
						|
  if (Inst.isIndirectBranch)   OS << "|(1<<MCID::IndirectBranch)";
 | 
						|
  if (Inst.isCompare)          OS << "|(1<<MCID::Compare)";
 | 
						|
  if (Inst.isMoveImm)          OS << "|(1<<MCID::MoveImm)";
 | 
						|
  if (Inst.isBitcast)          OS << "|(1<<MCID::Bitcast)";
 | 
						|
  if (Inst.isSelect)           OS << "|(1<<MCID::Select)";
 | 
						|
  if (Inst.isBarrier)          OS << "|(1<<MCID::Barrier)";
 | 
						|
  if (Inst.hasDelaySlot)       OS << "|(1<<MCID::DelaySlot)";
 | 
						|
  if (Inst.isCall)             OS << "|(1<<MCID::Call)";
 | 
						|
  if (Inst.canFoldAsLoad)      OS << "|(1<<MCID::FoldableAsLoad)";
 | 
						|
  if (Inst.mayLoad)            OS << "|(1<<MCID::MayLoad)";
 | 
						|
  if (Inst.mayStore)           OS << "|(1<<MCID::MayStore)";
 | 
						|
  if (Inst.isPredicable)       OS << "|(1<<MCID::Predicable)";
 | 
						|
  if (Inst.isConvertibleToThreeAddress) OS << "|(1<<MCID::ConvertibleTo3Addr)";
 | 
						|
  if (Inst.isCommutable)       OS << "|(1<<MCID::Commutable)";
 | 
						|
  if (Inst.isTerminator)       OS << "|(1<<MCID::Terminator)";
 | 
						|
  if (Inst.isReMaterializable) OS << "|(1<<MCID::Rematerializable)";
 | 
						|
  if (Inst.isNotDuplicable)    OS << "|(1<<MCID::NotDuplicable)";
 | 
						|
  if (Inst.Operands.hasOptionalDef) OS << "|(1<<MCID::HasOptionalDef)";
 | 
						|
  if (Inst.usesCustomInserter) OS << "|(1<<MCID::UsesCustomInserter)";
 | 
						|
  if (Inst.hasPostISelHook)    OS << "|(1<<MCID::HasPostISelHook)";
 | 
						|
  if (Inst.Operands.isVariadic)OS << "|(1<<MCID::Variadic)";
 | 
						|
  if (Inst.hasSideEffects)     OS << "|(1<<MCID::UnmodeledSideEffects)";
 | 
						|
  if (Inst.isAsCheapAsAMove)   OS << "|(1<<MCID::CheapAsAMove)";
 | 
						|
  if (Inst.hasExtraSrcRegAllocReq) OS << "|(1<<MCID::ExtraSrcRegAllocReq)";
 | 
						|
  if (Inst.hasExtraDefRegAllocReq) OS << "|(1<<MCID::ExtraDefRegAllocReq)";
 | 
						|
 | 
						|
  // Emit all of the target-specific flags...
 | 
						|
  BitsInit *TSF = Inst.TheDef->getValueAsBitsInit("TSFlags");
 | 
						|
  if (!TSF)
 | 
						|
    PrintFatalError("no TSFlags?");
 | 
						|
  uint64_t Value = 0;
 | 
						|
  for (unsigned i = 0, e = TSF->getNumBits(); i != e; ++i) {
 | 
						|
    if (BitInit *Bit = dyn_cast<BitInit>(TSF->getBit(i)))
 | 
						|
      Value |= uint64_t(Bit->getValue()) << i;
 | 
						|
    else
 | 
						|
      PrintFatalError("Invalid TSFlags bit in " + Inst.TheDef->getName());
 | 
						|
  }
 | 
						|
  OS << ", 0x";
 | 
						|
  OS.write_hex(Value);
 | 
						|
  OS << "ULL, ";
 | 
						|
 | 
						|
  // Emit the implicit uses and defs lists...
 | 
						|
  std::vector<Record*> UseList = Inst.TheDef->getValueAsListOfDefs("Uses");
 | 
						|
  if (UseList.empty())
 | 
						|
    OS << "NULL, ";
 | 
						|
  else
 | 
						|
    OS << "ImplicitList" << EmittedLists[UseList] << ", ";
 | 
						|
 | 
						|
  std::vector<Record*> DefList = Inst.TheDef->getValueAsListOfDefs("Defs");
 | 
						|
  if (DefList.empty())
 | 
						|
    OS << "NULL, ";
 | 
						|
  else
 | 
						|
    OS << "ImplicitList" << EmittedLists[DefList] << ", ";
 | 
						|
 | 
						|
  // Emit the operand info.
 | 
						|
  std::vector<std::string> OperandInfo = GetOperandInfo(Inst);
 | 
						|
  if (OperandInfo.empty())
 | 
						|
    OS << "0";
 | 
						|
  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";
 | 
						|
}
 | 
						|
 | 
						|
// emitEnums - Print out enum values for all of the instructions.
 | 
						|
void InstrInfoEmitter::emitEnums(raw_ostream &OS) {
 | 
						|
 | 
						|
  OS << "\n#ifdef GET_INSTRINFO_ENUM\n";
 | 
						|
  OS << "#undef GET_INSTRINFO_ENUM\n";
 | 
						|
 | 
						|
  OS << "namespace llvm {\n\n";
 | 
						|
 | 
						|
  CodeGenTarget Target(Records);
 | 
						|
 | 
						|
  // We must emit the PHI opcode first...
 | 
						|
  std::string Namespace = Target.getInstNamespace();
 | 
						|
 | 
						|
  if (Namespace.empty()) {
 | 
						|
    fprintf(stderr, "No instructions defined!\n");
 | 
						|
    exit(1);
 | 
						|
  }
 | 
						|
 | 
						|
  const std::vector<const CodeGenInstruction*> &NumberedInstructions =
 | 
						|
    Target.getInstructionsByEnumValue();
 | 
						|
 | 
						|
  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";
 | 
						|
  }
 | 
						|
  OS << "    INSTRUCTION_LIST_END = " << NumberedInstructions.size() << "\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";
 | 
						|
}
 | 
						|
 | 
						|
namespace llvm {
 | 
						|
 | 
						|
void EmitInstrInfo(RecordKeeper &RK, raw_ostream &OS) {
 | 
						|
  InstrInfoEmitter(RK).run(OS);
 | 
						|
  EmitMapTable(RK, OS);
 | 
						|
}
 | 
						|
 | 
						|
} // End llvm namespace
 |