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";
}
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();
}
}
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";
}
Stmt* ParentMap::getParent(Stmt* S) const {
MapTy* M = (MapTy*) Impl;
MapTy::iterator I = M->find(S);
return I == M->end() ? 0 : I->second;
}
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)));
}