anonymous_namespace{ExtensionsIR.cpp} Namespace Reference

Functions
llvm::Type *	ext_arg_type_to_llvm_type (const ExtArgumentType ext_arg_type, llvm::LLVMContext &ctx)
SQLTypeInfo	get_sql_type_from_llvm_type (const llvm::Type *ll_type)
bool	ext_func_call_requires_nullcheck (const Analyzer::FunctionOper *function_oper)
bool	call_requires_custom_type_handling (const Analyzer::FunctionOper *function_oper)

Function Documentation

bool anonymous_namespace{ExtensionsIR.cpp}::call_requires_custom_type_handling

(

const Analyzer::FunctionOper *

function_oper

)

Definition at line 238 of file ExtensionsIR.cpp.

References Analyzer::Expr::get_type_info(), Analyzer::FunctionOper::getArg(), and Analyzer::FunctionOper::getArity().

Referenced by CodeGenerator::codegenFunctionOperWithCustomTypeHandling().

                                                                                   {
  const auto& ret_ti = function_oper->get_type_info();
  if (!ret_ti.is_integer() && !ret_ti.is_fp()) {
    return true;
  }
  for (size_t i = 0; i < function_oper->getArity(); ++i) {
    const auto arg = function_oper->getArg(i);
    const auto& arg_ti = arg->get_type_info();
    if (!arg_ti.is_integer() && !arg_ti.is_fp()) {
      return true;
    }
  }
  return false;
}

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llvm::Type* anonymous_namespace{ExtensionsIR.cpp}::ext_arg_type_to_llvm_type	(	const ExtArgumentType	ext_arg_type,
		llvm::LLVMContext &	ctx
	)

Definition at line 29 of file ExtensionsIR.cpp.

References Bool, CHECK(), Double, Float, get_int_type(), Int16, Int32, Int64, and Int8.

Referenced by CodeGenerator::codegenFunctionOper().

                                                            {
  switch (ext_arg_type) {
    case ExtArgumentType::Bool:  // pass thru to Int8
    case ExtArgumentType::Int8:
      return get_int_type(8, ctx);
    case ExtArgumentType::Int16:
      return get_int_type(16, ctx);
    case ExtArgumentType::Int32:
      return get_int_type(32, ctx);
    case ExtArgumentType::Int64:
      return get_int_type(64, ctx);
    case ExtArgumentType::Float:
      return llvm::Type::getFloatTy(ctx);
    case ExtArgumentType::Double:
      return llvm::Type::getDoubleTy(ctx);
    default:
      CHECK(false);
  }
  CHECK(false);
  return nullptr;
}

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bool anonymous_namespace{ExtensionsIR.cpp}::ext_func_call_requires_nullcheck

(

const Analyzer::FunctionOper *

function_oper

)

Definition at line 87 of file ExtensionsIR.cpp.

References Analyzer::Expr::get_type_info(), Analyzer::FunctionOper::getArg(), and Analyzer::FunctionOper::getArity().

Referenced by CodeGenerator::beginArgsNullcheck().

                                                                                 {
  for (size_t i = 0; i < function_oper->getArity(); ++i) {
    const auto arg = function_oper->getArg(i);
    const auto& arg_ti = arg->get_type_info();
    if (!arg_ti.get_notnull() && !arg_ti.is_array() && !arg_ti.is_geometry()) {
      return true;
    }
  }
  return false;
}

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SQLTypeInfo anonymous_namespace{ExtensionsIR.cpp}::get_sql_type_from_llvm_type ( const llvm::Type *  ll_type )

inline

Definition at line 52 of file ExtensionsIR.cpp.

References CHECK(), logger::FATAL, kBIGINT, kBOOLEAN, kDOUBLE, kFLOAT, kINT, kSMALLINT, kTINYINT, LOG, and UNREACHABLE.

Referenced by CodeGenerator::codegenFunctionOper(), and CodeGenerator::endArgsNullcheck().

                                                                        {
  CHECK(ll_type);
  const auto bits = ll_type->getPrimitiveSizeInBits();

  if (ll_type->isFloatingPointTy()) {
    switch (bits) {
      case 32:
        return SQLTypeInfo(kFLOAT, false);
      case 64:
        return SQLTypeInfo(kDOUBLE, false);
      default:
        LOG(FATAL) << "Unsupported llvm floating point type: " << bits
                   << ", only 32 and 64 bit floating point is supported.";
    }
  } else {
    switch (bits) {
      case 1:
        return SQLTypeInfo(kBOOLEAN, false);
      case 8:
        return SQLTypeInfo(kTINYINT, false);
      case 16:
        return SQLTypeInfo(kSMALLINT, false);
      case 32:
        return SQLTypeInfo(kINT, false);
      case 64:
        return SQLTypeInfo(kBIGINT, false);
      default:
        LOG(FATAL) << "Unrecognized llvm type for SQL type: "
                   << bits;  // TODO let's get the real name here
    }
  }
  UNREACHABLE();
  return SQLTypeInfo();
}

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