コード例 #1
0
void IntrinsicEmitter::EmitGenerator(const std::vector<CodeGenIntrinsic> &Ints, 
                                     raw_ostream &OS) {
  OS << "// Code for generating Intrinsic function declarations.\n";
  OS << "#ifdef GET_INTRINSIC_GENERATOR\n";
  OS << "  switch (id) {\n";
  OS << "  default: assert(0 && \"Invalid intrinsic!\");\n";
  
  // Similar to GET_INTRINSIC_VERIFIER, batch up cases that have identical
  // types.
  typedef std::map<RecPair, std::vector<unsigned>, RecordListComparator> MapTy;
  MapTy UniqueArgInfos;
  
  // Compute the unique argument type info.
  for (unsigned i = 0, e = Ints.size(); i != e; ++i)
    UniqueArgInfos[make_pair(Ints[i].IS.RetTypeDefs,
                             Ints[i].IS.ParamTypeDefs)].push_back(i);

  // Loop through the array, emitting one generator for each batch.
  std::string IntrinsicStr = TargetPrefix + "Intrinsic::";
  
  for (MapTy::iterator I = UniqueArgInfos.begin(),
       E = UniqueArgInfos.end(); I != E; ++I) {
    for (unsigned i = 0, e = I->second.size(); i != e; ++i)
      OS << "  case " << IntrinsicStr << Ints[I->second[i]].EnumName 
         << ":\t\t// " << Ints[I->second[i]].Name << "\n";
    
    const RecPair &ArgTypes = I->first;
    const std::vector<Record*> &RetTys = ArgTypes.first;
    const std::vector<Record*> &ParamTys = ArgTypes.second;

    unsigned N = ParamTys.size();

    if (N > 1 &&
        getValueType(ParamTys[N - 1]->getValueAsDef("VT")) == MVT::isVoid) {
      OS << "    IsVarArg = true;\n";
      --N;
    }

    unsigned ArgNo = 0;
    OS << "    ResultTy = ";
    EmitTypeGenerate(OS, RetTys, ArgNo);
    OS << ";\n";
    
    for (unsigned j = 0; j != N; ++j) {
      OS << "    ArgTys.push_back(";
      EmitTypeGenerate(OS, ParamTys[j], ArgNo);
      OS << ");\n";
    }

    OS << "    break;\n";
  }

  OS << "  }\n";
  OS << "#endif\n\n";
}
コード例 #2
0
void ento::CheckObjCInstMethSignature(const ObjCImplementationDecl* ID,
                                    BugReporter& BR) {

  const ObjCInterfaceDecl* D = ID->getClassInterface();
  const ObjCInterfaceDecl* C = D->getSuperClass();

  if (!C)
    return;

  ASTContext& Ctx = BR.getContext();

  // Build a DenseMap of the methods for quick querying.
  typedef llvm::DenseMap<Selector,ObjCMethodDecl*> MapTy;
  MapTy IMeths;
  unsigned NumMethods = 0;

  for (ObjCImplementationDecl::instmeth_iterator I=ID->instmeth_begin(),
       E=ID->instmeth_end(); I!=E; ++I) {

    ObjCMethodDecl* M = *I;
    IMeths[M->getSelector()] = M;
    ++NumMethods;
  }

  // Now recurse the class hierarchy chain looking for methods with the
  // same signatures.
  while (C && NumMethods) {
    for (ObjCInterfaceDecl::instmeth_iterator I=C->instmeth_begin(),
         E=C->instmeth_end(); I!=E; ++I) {

      ObjCMethodDecl* M = *I;
      Selector S = M->getSelector();

      MapTy::iterator MI = IMeths.find(S);

      if (MI == IMeths.end() || MI->second == 0)
        continue;

      --NumMethods;
      ObjCMethodDecl* MethDerived = MI->second;
      MI->second = 0;

      CompareReturnTypes(MethDerived, M, BR, Ctx, ID);
    }

    C = C->getSuperClass();
  }
}
コード例 #3
0
void IntrinsicEmitter::EmitVerifier(const std::vector<CodeGenIntrinsic> &Ints, 
                                    std::ostream &OS) {
  OS << "// Verifier::visitIntrinsicFunctionCall code.\n";
  OS << "#ifdef GET_INTRINSIC_VERIFIER\n";
  OS << "  switch (ID) {\n";
  OS << "  default: assert(0 && \"Invalid intrinsic!\");\n";
  
  // This checking can emit a lot of very common code.  To reduce the amount of
  // code that we emit, batch up cases that have identical types.  This avoids
  // problems where GCC can run out of memory compiling Verifier.cpp.
  typedef std::map<RecPair, std::vector<unsigned>, RecordListComparator> MapTy;
  MapTy UniqueArgInfos;
  
  // Compute the unique argument type info.
  for (unsigned i = 0, e = Ints.size(); i != e; ++i)
    UniqueArgInfos[make_pair(Ints[i].IS.RetTypeDefs,
                             Ints[i].IS.ParamTypeDefs)].push_back(i);

  // Loop through the array, emitting one comparison for each batch.
  for (MapTy::iterator I = UniqueArgInfos.begin(),
       E = UniqueArgInfos.end(); I != E; ++I) {
    for (unsigned i = 0, e = I->second.size(); i != e; ++i)
      OS << "  case Intrinsic::" << Ints[I->second[i]].EnumName << ":\t\t// "
         << Ints[I->second[i]].Name << "\n";
    
    const RecPair &ArgTypes = I->first;
    const std::vector<Record*> &RetTys = ArgTypes.first;
    const std::vector<Record*> &ParamTys = ArgTypes.second;

    OS << "    VerifyIntrinsicPrototype(ID, IF, " << RetTys.size() << ", "
       << ParamTys.size();

    // Emit return types.
    for (unsigned j = 0, je = RetTys.size(); j != je; ++j) {
      Record *ArgType = RetTys[j];
      OS << ", ";

      if (ArgType->isSubClassOf("LLVMMatchType")) {
        unsigned Number = ArgType->getValueAsInt("Number");
        assert(Number < j && "Invalid matching number!");
        if (ArgType->isSubClassOf("LLVMExtendedElementVectorType"))
          OS << "~(ExtendedElementVectorType | " << Number << ")";
        else if (ArgType->isSubClassOf("LLVMTruncatedElementVectorType"))
          OS << "~(TruncatedElementVectorType | " << Number << ")";
        else
          OS << "~" << Number;
      } else {
        MVT::SimpleValueType VT = getValueType(ArgType->getValueAsDef("VT"));
        OS << getEnumName(VT);

        if (VT == MVT::isVoid && j != 0 && j != je - 1)
          throw "Var arg type not last argument";
      }
    }

    // Emit the parameter types.
    for (unsigned j = 0, je = ParamTys.size(); j != je; ++j) {
      Record *ArgType = ParamTys[j];
      OS << ", ";

      if (ArgType->isSubClassOf("LLVMMatchType")) {
        unsigned Number = ArgType->getValueAsInt("Number");
        assert(Number < j + RetTys.size() && "Invalid matching number!");
        if (ArgType->isSubClassOf("LLVMExtendedElementVectorType"))
          OS << "~(ExtendedElementVectorType | " << Number << ")";
        else if (ArgType->isSubClassOf("LLVMTruncatedElementVectorType"))
          OS << "~(TruncatedElementVectorType | " << Number << ")";
        else
          OS << "~" << Number;
      } else {
        MVT::SimpleValueType VT = getValueType(ArgType->getValueAsDef("VT"));
        OS << getEnumName(VT);

        if (VT == MVT::isVoid && j != 0 && j != je - 1)
          throw "Var arg type not last argument";
      }
    }
      
    OS << ");\n";
    OS << "    break;\n";
  }
  OS << "  }\n";
  OS << "#endif\n\n";
}
コード例 #4
0
ファイル: ParentMap.cpp プロジェクト: 5432935/crossbridge
Stmt* ParentMap::getParent(Stmt* S) const {
  MapTy* M = (MapTy*) Impl;
  MapTy::iterator I = M->find(S);
  return I == M->end() ? 0 : I->second;
}
コード例 #5
0
ファイル: ParentMap.cpp プロジェクト: jaredmcneill/netbsd-src
void ParentMap::setParent(const Stmt *S, const Stmt *Parent) {
  assert(S);
  assert(Parent);
  MapTy *M = reinterpret_cast<MapTy *>(Impl);
  M->insert(std::make_pair(const_cast<Stmt *>(S), const_cast<Stmt *>(Parent)));
}