CodeGenerator Class Reference

#include <CodeGenerator.h>

Inheritance diagram for CodeGenerator:

Collaboration diagram for CodeGenerator:

Classes
struct	ArgNullcheckBBs
struct	ExecutorRequired
struct	GPUTarget
struct	NullCheckCodegen

Public Member Functions
	CodeGenerator (Executor *executor)
	CodeGenerator (CgenState *cgen_state, PlanState *plan_state)
std::vector< llvm::Value * >	codegen (const Analyzer::Expr *, const bool fetch_columns, const CompilationOptions &)
llvm::Value *	codegenPerRowStringOper (const Analyzer::StringOper *string_oper, const CompilationOptions &co)
llvm::Value *	codegenPseudoStringOper (const Analyzer::ColumnVar *, const std::vector< StringOps_Namespace::StringOpInfo > &string_op_infos, const CompilationOptions &)
std::vector< llvm::Value * >	codegenHoistedConstants (const std::vector< const Analyzer::Constant * > &constants, const EncodingType enc_type, const shared::StringDictKey &dict_id)
llvm::Value *	codegenCastBetweenIntTypes (llvm::Value *operand_lv, const SQLTypeInfo &operand_ti, const SQLTypeInfo &ti, bool upscale=true)
void	codegenCastBetweenIntTypesOverflowChecks (llvm::Value *operand_lv, const SQLTypeInfo &operand_ti, const SQLTypeInfo &ti, const int64_t scale)
llvm::Value *	posArg (const Analyzer::Expr *) const
llvm::Value *	toBool (llvm::Value *)
llvm::Value *	castArrayPointer (llvm::Value *ptr, const SQLTypeInfo &elem_ti)
llvm::Value *	codegenCastBetweenTimestamps (llvm::Value *ts_lv, const SQLTypeInfo &operand_dimen, const SQLTypeInfo &target_dimen, const bool nullable)
llvm::Value *	codegenWindowPosition (const WindowFunctionContext *window_func_context, llvm::Value *pos_arg)

Static Public Member Functions
static llvm::ConstantInt *	codegenIntConst (const Analyzer::Constant *constant, CgenState *cgen_state)
static std::unordered_set < llvm::Function * >	markDeadRuntimeFuncs (llvm::Module &module, const std::vector< llvm::Function * > &roots, const std::vector< llvm::Function * > &leaves)
static ExecutionEngineWrapper	generateNativeCPUCode (llvm::Function *func, const std::unordered_set< llvm::Function * > &live_funcs, const CompilationOptions &co)
static std::string	generatePTX (const std::string &cuda_llir, llvm::TargetMachine *nvptx_target_machine, llvm::LLVMContext &context)
static std::unique_ptr < llvm::TargetMachine >	initializeNVPTXBackend (const CudaMgr_Namespace::NvidiaDeviceArch arch)
static bool	alwaysCloneRuntimeFunction (const llvm::Function *func)
static void	linkModuleWithLibdevice (Executor *executor, llvm::Module &module, llvm::PassManagerBuilder &pass_manager_builder, const GPUTarget &gpu_target)
static std::shared_ptr < GpuCompilationContext >	generateNativeGPUCode (Executor *executor, llvm::Function *func, llvm::Function *wrapper_func, const std::unordered_set< llvm::Function * > &live_funcs, const bool is_gpu_smem_used, const CompilationOptions &co, const GPUTarget &gpu_target)
static void	link_udf_module (const std::unique_ptr< llvm::Module > &udf_module, llvm::Module &module, CgenState *cgen_state, llvm::Linker::Flags flags=llvm::Linker::Flags::None)
static bool	prioritizeQuals (const RelAlgExecutionUnit &ra_exe_unit, std::vector< Analyzer::Expr * > &primary_quals, std::vector< Analyzer::Expr * > &deferred_quals, const PlanState::HoistedFiltersSet &hoisted_quals)
static ArrayLoadCodegen	codegenGeoArrayLoadAndNullcheck (llvm::Value *byte_stream, llvm::Value *pos, const SQLTypeInfo &ti, CgenState *cgen_state)

Protected Member Functions
Executor *	executor () const

Protected Attributes
CgenState *	cgen_state_
PlanState *	plan_state_

Private Member Functions
std::vector< llvm::Value * >	codegen (const Analyzer::Constant *, const EncodingType enc_type, const shared::StringDictKey &dict_id, const CompilationOptions &)
virtual std::vector < llvm::Value * >	codegenColumn (const Analyzer::ColumnVar *, const bool fetch_column, const CompilationOptions &)
llvm::Value *	codegenArith (const Analyzer::BinOper *, const CompilationOptions &)
llvm::Value *	codegenUMinus (const Analyzer::UOper *, const CompilationOptions &)
llvm::Value *	codegenCmp (const Analyzer::BinOper *, const CompilationOptions &)
llvm::Value *	codegenCmp (const SQLOps, const SQLQualifier, std::vector< llvm::Value * >, const SQLTypeInfo &, const Analyzer::Expr *, const CompilationOptions &)
llvm::Value *	codegenIsNull (const Analyzer::UOper *, const CompilationOptions &)
llvm::Value *	codegenIsNullNumber (llvm::Value *, const SQLTypeInfo &)
llvm::Value *	codegenLogical (const Analyzer::BinOper *, const CompilationOptions &)
llvm::Value *	codegenLogical (const Analyzer::UOper *, const CompilationOptions &)
llvm::Value *	codegenCast (const Analyzer::UOper *, const CompilationOptions &)
llvm::Value *	codegenCast (llvm::Value *operand_lv, const SQLTypeInfo &operand_ti, const SQLTypeInfo &ti, const bool operand_is_const, const CompilationOptions &co)
llvm::Value *	codegen (const Analyzer::InValues *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::InIntegerSet *expr, const CompilationOptions &co)
std::vector< llvm::Value * >	codegen (const Analyzer::CaseExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::ExtractExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::DateaddExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::DatediffExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::DatetruncExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::CharLengthExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::KeyForStringExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::SampleRatioExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::WidthBucketExpr *, const CompilationOptions &)
llvm::Value *	codegenConstantWidthBucketExpr (const Analyzer::WidthBucketExpr *, const CompilationOptions &)
llvm::Value *	codegenWidthBucketExpr (const Analyzer::WidthBucketExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::StringOper *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::LikeExpr *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::RegexpExpr *, const CompilationOptions &)
llvm::Value *	codegenUnnest (const Analyzer::UOper *, const CompilationOptions &)
llvm::Value *	codegenArrayAt (const Analyzer::BinOper *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::CardinalityExpr *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenArrayExpr (const Analyzer::ArrayExpr *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeoColumnVar (const Analyzer::GeoColumnVar *, const bool fetch_columns, const CompilationOptions &co)
std::vector< llvm::Value * >	codegenGeoExpr (const Analyzer::GeoExpr *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeoConstant (const Analyzer::GeoConstant *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeoOperator (const Analyzer::GeoOperator *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeoUOper (const Analyzer::GeoUOper *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeoBinOper (const Analyzer::GeoBinOper *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeosPredicateCall (const std::string &, std::vector< llvm::Value * >, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeosConstructorCall (const std::string &, std::vector< llvm::Value * >, llvm::Value *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenGeoArgs (const std::vector< std::shared_ptr< Analyzer::Expr >> &, const CompilationOptions &)
llvm::Value *	codegenFunctionOper (const Analyzer::FunctionOper *, const CompilationOptions &)
llvm::Value *	codegenFunctionOperWithCustomTypeHandling (const Analyzer::FunctionOperWithCustomTypeHandling *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::BinOper *, const CompilationOptions &)
llvm::Value *	codegen (const Analyzer::UOper *, const CompilationOptions &)
std::vector< llvm::Value * >	codegenHoistedConstantsLoads (const SQLTypeInfo &type_info, const EncodingType enc_type, const shared::StringDictKey &dict_id, const int16_t lit_off, const size_t lit_bytes)
std::vector< llvm::Value * >	codegenHoistedConstantsPlaceholders (const SQLTypeInfo &type_info, const EncodingType enc_type, const int16_t lit_off, const std::vector< llvm::Value * > &literal_loads)
std::vector< llvm::Value * >	codegenColVar (const Analyzer::ColumnVar *, const bool fetch_column, const bool update_query_plan, const CompilationOptions &)
llvm::Value *	codegenFixedLengthColVar (const Analyzer::ColumnVar *col_var, llvm::Value *col_byte_stream, llvm::Value *pos_arg, const WindowFunctionContext *window_function_context=nullptr)
llvm::Value *	codegenFixedLengthColVarInWindow (const Analyzer::ColumnVar *col_var, llvm::Value *col_byte_stream, llvm::Value *pos_arg, const WindowFunctionContext *window_function_context=nullptr)
std::vector< llvm::Value * >	codegenVariableLengthStringColVar (llvm::Value *col_byte_stream, llvm::Value *pos_arg)
llvm::Value *	codegenRowId (const Analyzer::ColumnVar *col_var, const CompilationOptions &co)
llvm::Value *	codgenAdjustFixedEncNull (llvm::Value *, const SQLTypeInfo &)
std::vector< llvm::Value * >	codegenOuterJoinNullPlaceholder (const Analyzer::ColumnVar *col_var, const bool fetch_column, const CompilationOptions &co)
llvm::Value *	codegenIntArith (const Analyzer::BinOper *, llvm::Value *, llvm::Value *, const CompilationOptions &)
llvm::Value *	codegenFpArith (const Analyzer::BinOper *, llvm::Value *, llvm::Value *)
llvm::Value *	codegenCastTimestampToTime (llvm::Value *ts_lv, const int dimen, const bool nullable)
llvm::Value *	codegenCastTimestampToDate (llvm::Value *ts_lv, const int dimen, const bool nullable)
llvm::Value *	codegenCastFromString (llvm::Value *operand_lv, const SQLTypeInfo &operand_ti, const SQLTypeInfo &ti, const bool operand_is_const, const CompilationOptions &co)
llvm::Value *	codegenCastNonStringToString (llvm::Value *operand_lv, const SQLTypeInfo &operand_ti, const SQLTypeInfo &ti, const bool operand_is_const, const CompilationOptions &co)
llvm::Value *	codegenCastToFp (llvm::Value *operand_lv, const SQLTypeInfo &operand_ti, const SQLTypeInfo &ti)
llvm::Value *	codegenCastFromFp (llvm::Value *operand_lv, const SQLTypeInfo &operand_ti, const SQLTypeInfo &ti)
llvm::Value *	codegenAdd (const Analyzer::BinOper *, llvm::Value *, llvm::Value *, const std::string &null_typename, const std::string &null_check_suffix, const SQLTypeInfo &, const CompilationOptions &)
llvm::Value *	codegenSub (const Analyzer::BinOper *, llvm::Value *, llvm::Value *, const std::string &null_typename, const std::string &null_check_suffix, const SQLTypeInfo &, const CompilationOptions &)
void	codegenSkipOverflowCheckForNull (llvm::Value *lhs_lv, llvm::Value *rhs_lv, llvm::BasicBlock *no_overflow_bb, const SQLTypeInfo &ti)
llvm::Value *	codegenMul (const Analyzer::BinOper *, llvm::Value *, llvm::Value *, const std::string &null_typename, const std::string &null_check_suffix, const SQLTypeInfo &, const CompilationOptions &, bool downscale=true)
llvm::Value *	codegenDiv (llvm::Value *, llvm::Value *, const std::string &null_typename, const std::string &null_check_suffix, const SQLTypeInfo &, bool upscale=true)
llvm::Value *	codegenDeciDiv (const Analyzer::BinOper *, const CompilationOptions &)
llvm::Value *	codegenMod (llvm::Value *, llvm::Value *, const std::string &null_typename, const std::string &null_check_suffix, const SQLTypeInfo &)
llvm::Value *	codegenCase (const Analyzer::CaseExpr *, llvm::Type *case_llvm_type, const bool is_real_str, const CompilationOptions &)
llvm::Value *	codegenExtractHighPrecisionTimestamps (llvm::Value *, const SQLTypeInfo &, const ExtractField &)
llvm::Value *	codegenDateTruncHighPrecisionTimestamps (llvm::Value *, const SQLTypeInfo &, const DatetruncField &)
llvm::Value *	codegenCmpDecimalConst (const SQLOps, const SQLQualifier, const Analyzer::Expr *, const SQLTypeInfo &, const Analyzer::Expr *, const CompilationOptions &)
llvm::Value *	codegenOverlaps (const SQLOps, const SQLQualifier, const std::shared_ptr< Analyzer::Expr >, const std::shared_ptr< Analyzer::Expr >, const CompilationOptions &)
llvm::Value *	codegenStrCmp (const SQLOps, const SQLQualifier, const std::shared_ptr< Analyzer::Expr >, const std::shared_ptr< Analyzer::Expr >, const CompilationOptions &)
llvm::Value *	codegenQualifierCmp (const SQLOps, const SQLQualifier, std::vector< llvm::Value * >, const Analyzer::Expr *, const CompilationOptions &)
llvm::Value *	codegenLogicalShortCircuit (const Analyzer::BinOper *, const CompilationOptions &)
llvm::Value *	codegenDictLike (const std::shared_ptr< Analyzer::Expr > arg, const Analyzer::Constant *pattern, const bool ilike, const bool is_simple, const char escape_char, const CompilationOptions &)
llvm::Value *	codegenDictStrCmp (const std::shared_ptr< Analyzer::Expr >, const std::shared_ptr< Analyzer::Expr >, const SQLOps, const CompilationOptions &co)
llvm::Value *	codegenDictRegexp (const std::shared_ptr< Analyzer::Expr > arg, const Analyzer::Constant *pattern, const char escape_char, const CompilationOptions &)
llvm::Value *	foundOuterJoinMatch (const size_t nesting_level) const
llvm::Value *	resolveGroupedColumnReference (const Analyzer::ColumnVar *)
llvm::Value *	colByteStream (const Analyzer::ColumnVar *col_var, const bool fetch_column, const bool hoist_literals)
std::shared_ptr< const Analyzer::Expr >	hashJoinLhs (const Analyzer::ColumnVar *rhs) const
std::shared_ptr< const Analyzer::ColumnVar >	hashJoinLhsTuple (const Analyzer::ColumnVar *rhs, const Analyzer::BinOper *tautological_eq) const
bool	needCastForHashJoinLhs (const Analyzer::ColumnVar *rhs) const
std::unique_ptr< InValuesBitmap >	createInValuesBitmap (const Analyzer::InValues *, const CompilationOptions &)
bool	checkExpressionRanges (const Analyzer::UOper *, int64_t, int64_t)
bool	checkExpressionRanges (const Analyzer::BinOper *, int64_t, int64_t)
std::tuple< ArgNullcheckBBs, llvm::Value * >	beginArgsNullcheck (const Analyzer::FunctionOper *function_oper, const std::vector< llvm::Value * > &orig_arg_lvs)
llvm::Value *	endArgsNullcheck (const ArgNullcheckBBs &, llvm::Value *, llvm::Value *, const Analyzer::FunctionOper *)
llvm::Value *	codegenFunctionOperNullArg (const Analyzer::FunctionOper *, const std::vector< llvm::Value * > &)
llvm::Value *	codegenCompression (const SQLTypeInfo &type_info)
std::pair< llvm::Value *, llvm::Value * >	codegenArrayBuff (llvm::Value *chunk, llvm::Value *row_pos, SQLTypes array_type, bool cast_and_extend)
void	codegenBufferArgs (const std::string &udf_func_name, size_t param_num, llvm::Value *buffer_buf, llvm::Value *buffer_size, llvm::Value *buffer_is_null, std::vector< llvm::Value * > &output_args)
llvm::StructType *	createPointStructType (const std::string &udf_func_name, size_t param_num)
void	codegenGeoPointArgs (const std::string &udf_func_name, size_t param_num, llvm::Value *point_buf, llvm::Value *point_size, llvm::Value *compression, llvm::Value *input_srid, llvm::Value *output_srid, std::vector< llvm::Value * > &output_args)
llvm::StructType *	createMultiPointStructType (const std::string &udf_func_name, size_t param_num)
void	codegenGeoMultiPointArgs (const std::string &udf_func_name, size_t param_num, llvm::Value *multi_point_buf, llvm::Value *multi_point_size, llvm::Value *compression, llvm::Value *input_srid, llvm::Value *output_srid, std::vector< llvm::Value * > &output_args)
llvm::StructType *	createLineStringStructType (const std::string &udf_func_name, size_t param_num)
void	codegenGeoLineStringArgs (const std::string &udf_func_name, size_t param_num, llvm::Value *line_string_buf, llvm::Value *line_string_size, llvm::Value *compression, llvm::Value *input_srid, llvm::Value *output_srid, std::vector< llvm::Value * > &output_args)
llvm::StructType *	createMultiLineStringStructType (const std::string &udf_func_name, size_t param_num)
void	codegenGeoMultiLineStringArgs (const std::string &udf_func_name, size_t param_num, llvm::Value *multi_linestring_coords, llvm::Value *multi_linestring_size, llvm::Value *linestring_sizes, llvm::Value *linestring_sizes_size, llvm::Value *compression, llvm::Value *input_srid, llvm::Value *output_srid, std::vector< llvm::Value * > &output_args)
llvm::StructType *	createPolygonStructType (const std::string &udf_func_name, size_t param_num)
void	codegenGeoPolygonArgs (const std::string &udf_func_name, size_t param_num, llvm::Value *polygon_buf, llvm::Value *polygon_size, llvm::Value *ring_sizes_buf, llvm::Value *num_rings, llvm::Value *compression, llvm::Value *input_srid, llvm::Value *output_srid, std::vector< llvm::Value * > &output_args)
llvm::StructType *	createMultiPolygonStructType (const std::string &udf_func_name, size_t param_num)
void	codegenGeoMultiPolygonArgs (const std::string &udf_func_name, size_t param_num, llvm::Value *polygon_coords, llvm::Value *polygon_coords_size, llvm::Value *ring_sizes_buf, llvm::Value *ring_sizes, llvm::Value *polygon_bounds, llvm::Value *polygon_bounds_sizes, llvm::Value *compression, llvm::Value *input_srid, llvm::Value *output_srid, std::vector< llvm::Value * > &output_args)
std::vector< llvm::Value * >	codegenFunctionOperCastArgs (const Analyzer::FunctionOper *, const ExtensionFunction *, const std::vector< llvm::Value * > &, const std::vector< size_t > &, const std::unordered_map< llvm::Value *, llvm::Value * > &, const CompilationOptions &)
llvm::StructType *	createStringViewStructType ()
llvm::Function *	getArithWithOverflowIntrinsic (const Analyzer::BinOper *bin_oper, llvm::Type *type)
llvm::Value *	codegenBinOpWithOverflowForCPU (const Analyzer::BinOper *bin_oper, llvm::Value *lhs_lv, llvm::Value *rhs_lv, const std::string &null_check_suffix, const SQLTypeInfo &ti)
std::pair< std::vector < llvm::Value * > , std::unique_ptr < CodeGenerator::NullCheckCodegen > >	codegenStringFetchAndEncode (const Analyzer::StringOper *expr, const CompilationOptions &co, const size_t arg_idx, const bool codegen_nullcheck)

Private Attributes
Executor *	executor_

Friends
class	GroupByAndAggregate

Detailed Description

Definition at line 26 of file CodeGenerator.h.

Constructor & Destructor Documentation

CodeGenerator::CodeGenerator ( Executor *  executor )

inline

Definition at line 28 of file CodeGenerator.h.

      : executor_(executor)
      , cgen_state_(executor->cgen_state_.get())
      , plan_state_(executor->plan_state_.get()) {}

CodeGenerator::CodeGenerator ( CgenState *  cgen_state, PlanState *  plan_state  )

inline

Definition at line 35 of file CodeGenerator.h.

      : executor_(nullptr), cgen_state_(cgen_state), plan_state_(plan_state) {}

Member Function Documentation

bool CodeGenerator::alwaysCloneRuntimeFunction ( const llvm::Function *  func )

static

Definition at line 1508 of file NativeCodegen.cpp.

Referenced by CgenState::set_module_shallow_copy().

                                                                       {
  return func->getName() == "query_stub_hoisted_literals" ||
         func->getName() == "multifrag_query_hoisted_literals" ||
         func->getName() == "query_stub" || func->getName() == "multifrag_query" ||
         func->getName() == "fixed_width_int_decode" ||
         func->getName() == "fixed_width_unsigned_decode" ||
         func->getName() == "diff_fixed_width_int_decode" ||
         func->getName() == "fixed_width_double_decode" ||
         func->getName() == "fixed_width_float_decode" ||
         func->getName() == "fixed_width_small_date_decode" ||
         func->getName() == "fixed_width_date_encode" ||
         func->getName() == "record_error_code" || func->getName() == "get_error_code" ||
         func->getName() == "pos_start_impl" || func->getName() == "pos_step_impl" ||
         func->getName() == "group_buff_idx_impl" ||
         func->getName() == "init_shared_mem" ||
         func->getName() == "init_shared_mem_nop" || func->getName() == "write_back_nop";
}

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std::tuple< CodeGenerator::ArgNullcheckBBs, llvm::Value * > CodeGenerator::beginArgsNullcheck ( const Analyzer::FunctionOper *  function_oper, const std::vector< llvm::Value * > &  orig_arg_lvs  )

private

Definition at line 413 of file ExtensionsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, codegenFunctionOperNullArg(), CgenState::context_, CgenState::current_func_, anonymous_namespace{ExtensionsIR.cpp}::ext_func_call_requires_nullcheck(), anonymous_namespace{ExtensionsIR.cpp}::get_buffer_struct_type(), anonymous_namespace{ExtensionsIR.cpp}::get_llvm_type_from_sql_array_type(), Analyzer::Expr::get_type_info(), Analyzer::FunctionOper::getName(), and CgenState::ir_builder_.

Referenced by codegenFunctionOper(), and codegenFunctionOperWithCustomTypeHandling().

                                                                             {
  AUTOMATIC_IR_METADATA(cgen_state_);
  llvm::BasicBlock* args_null_bb{nullptr};
  llvm::BasicBlock* args_notnull_bb{nullptr};
  llvm::BasicBlock* orig_bb = cgen_state_->ir_builder_.GetInsertBlock();
  llvm::Value* null_array_alloca{nullptr};
  // Only generate the check if required (at least one argument must be nullable).
  if (ext_func_call_requires_nullcheck(function_oper)) {
    const auto func_ti = function_oper->get_type_info();
    if (func_ti.is_buffer()) {
      const auto arr_struct_ty = get_buffer_struct_type(
          cgen_state_,
          function_oper->getName(),
          0,
          get_llvm_type_from_sql_array_type(func_ti, cgen_state_->context_));
      null_array_alloca = cgen_state_->ir_builder_.CreateAlloca(arr_struct_ty);
    }
    const auto args_notnull_lv = cgen_state_->ir_builder_.CreateNot(
        codegenFunctionOperNullArg(function_oper, orig_arg_lvs));
    args_notnull_bb = llvm::BasicBlock::Create(
        cgen_state_->context_, "args_notnull", cgen_state_->current_func_);
    args_null_bb = llvm::BasicBlock::Create(
        cgen_state_->context_, "args_null", cgen_state_->current_func_);
    cgen_state_->ir_builder_.CreateCondBr(args_notnull_lv, args_notnull_bb, args_null_bb);
    cgen_state_->ir_builder_.SetInsertPoint(args_notnull_bb);
  }
  return std::make_tuple(
      CodeGenerator::ArgNullcheckBBs{args_null_bb, args_notnull_bb, orig_bb},
      null_array_alloca);
}

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llvm::Value * CodeGenerator::castArrayPointer	(	llvm::Value *	ptr,
		const SQLTypeInfo &	elem_ti
	)

Definition at line 1733 of file ExtensionsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CgenState::context_, SQLTypeInfo::get_compression(), SQLTypeInfo::get_size(), SQLTypeInfo::get_type(), CgenState::ir_builder_, SQLTypeInfo::is_boolean(), SQLTypeInfo::is_integer(), SQLTypeInfo::is_string(), kDOUBLE, kENCODING_DICT, and kFLOAT.

Referenced by codegenFunctionOperCastArgs(), RangeJoinHashTable::codegenKey(), and OverlapsJoinHashTable::codegenKey().

                                                                         {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (elem_ti.get_type() == kFLOAT) {
    return cgen_state_->ir_builder_.CreatePointerCast(
        ptr, llvm::Type::getFloatPtrTy(cgen_state_->context_));
  }
  if (elem_ti.get_type() == kDOUBLE) {
    return cgen_state_->ir_builder_.CreatePointerCast(
        ptr, llvm::Type::getDoublePtrTy(cgen_state_->context_));
  }
  CHECK(elem_ti.is_integer() || elem_ti.is_boolean() ||
        (elem_ti.is_string() && elem_ti.get_compression() == kENCODING_DICT));
  switch (elem_ti.get_size()) {
    case 1:
      return cgen_state_->ir_builder_.CreatePointerCast(
          ptr, llvm::Type::getInt8PtrTy(cgen_state_->context_));
    case 2:
      return cgen_state_->ir_builder_.CreatePointerCast(
          ptr, llvm::Type::getInt16PtrTy(cgen_state_->context_));
    case 4:
      return cgen_state_->ir_builder_.CreatePointerCast(
          ptr, llvm::Type::getInt32PtrTy(cgen_state_->context_));
    case 8:
      return cgen_state_->ir_builder_.CreatePointerCast(
          ptr, llvm::Type::getInt64PtrTy(cgen_state_->context_));
    default:
      CHECK(false);
  }
  return nullptr;
}

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bool CodeGenerator::checkExpressionRanges ( const Analyzer::UOper *  uoper, int64_t  min, int64_t  max  )

private

Definition at line 628 of file ArithmeticIR.cpp.

References CHECK, executor(), executor_, Analyzer::Expr::get_type_info(), getExpressionRange(), Integer, SQLTypeInfo::is_decimal(), ExpressionRange::makeInvalidRange(), plan_state_, and PlanState::query_infos_.

Referenced by codegenAdd(), codegenMul(), codegenSub(), and codegenUMinus().

                                                       {
  if (uoper->get_type_info().is_decimal()) {
    return false;
  }

  CHECK(plan_state_);
  if (executor_) {
    auto expr_range_info =
        plan_state_->query_infos_.size() > 0
            ? getExpressionRange(uoper, plan_state_->query_infos_, executor())
            : ExpressionRange::makeInvalidRange();
    if (expr_range_info.getType() != ExpressionRangeType::Integer) {
      return false;
    }
    if (expr_range_info.getIntMin() >= min && expr_range_info.getIntMax() <= max) {
      return true;
    }
  }

  return false;
}

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bool CodeGenerator::checkExpressionRanges ( const Analyzer::BinOper *  bin_oper, int64_t  min, int64_t  max  )

private

Definition at line 187 of file ArithmeticIR.cpp.

References CHECK, executor(), executor_, Analyzer::BinOper::get_left_operand(), Analyzer::BinOper::get_right_operand(), Analyzer::Expr::get_type_info(), getExpressionRange(), Integer, SQLTypeInfo::is_decimal(), anonymous_namespace{ArithmeticIR.cpp}::is_temporary_column(), ExpressionRange::makeInvalidRange(), plan_state_, and PlanState::query_infos_.

                                                       {
  if (is_temporary_column(bin_oper->get_left_operand()) ||
      is_temporary_column(bin_oper->get_right_operand())) {
    // Computing the range for temporary columns is a lot more expensive than the overflow
    // check.
    return false;
  }
  if (bin_oper->get_type_info().is_decimal()) {
    return false;
  }

  CHECK(plan_state_);
  if (executor_) {
    auto expr_range_info =
        plan_state_->query_infos_.size() > 0
            ? getExpressionRange(bin_oper, plan_state_->query_infos_, executor())
            : ExpressionRange::makeInvalidRange();
    if (expr_range_info.getType() != ExpressionRangeType::Integer) {
      return false;
    }
    if (expr_range_info.getIntMin() >= min && expr_range_info.getIntMax() <= max) {
      return true;
    }
  }

  return false;
}

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std::vector< llvm::Value * > CodeGenerator::codegen	(	const Analyzer::Expr *	expr,
		const bool	fetch_columns,
		const CompilationOptions &	co
	)

Definition at line 30 of file IRCodegen.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK_NE, codegen(), codegenArrayExpr(), codegenColumn(), codegenFunctionOper(), codegenFunctionOperWithCustomTypeHandling(), codegenGeoBinOper(), codegenGeoColumnVar(), codegenGeoExpr(), codegenGeoUOper(), executor_, Analyzer::Expr::get_type_info(), kENCODING_DICT, kNULLT, posArg(), and width_bucket_expr().

Referenced by Executor::buildHoistLeftHandSideFiltersCb(), Executor::buildIsDeletedCb(), Executor::buildJoinLoops(), codegen(), GroupByAndAggregate::codegenAggArg(), TargetExprCodegen::codegenAggregate(), codegenArith(), codegenArrayAt(), codegenArrayExpr(), codegenCase(), codegenCast(), codegenCmp(), codegenCmpDecimalConst(), HashJoin::codegenColOrStringOper(), codegenColVar(), codegenConstantWidthBucketExpr(), codegenDeciDiv(), codegenDictLike(), codegenDictRegexp(), codegenDictStrCmp(), Executor::codegenFrameBoundExpr(), codegenFunctionOper(), codegenFunctionOperWithCustomTypeHandling(), codegenGeoArgs(), codegenGeoColumnVar(), codegenGeoConstant(), codegenGeoOperator(), codegenIsNull(), RangeJoinHashTable::codegenKey(), OverlapsJoinHashTable::codegenKey(), codegenLogical(), codegenLogicalShortCircuit(), OverlapsJoinHashTable::codegenManyKey(), codegenOuterJoinNullPlaceholder(), GroupByAndAggregate::codegenOutputSlot(), codegenPseudoStringOper(), codegenQualifierCmp(), codegenRowId(), codegenStringFetchAndEncode(), codegenUMinus(), codegenUnnest(), codegenWidthBucketExpr(), Executor::codegenWindowFunctionAggregateCalls(), ScalarCodeGenerator::compile(), and Executor::groupByColumnCodegen().

                                                                               {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (!expr) {
    return {posArg(expr)};
  }
  auto bin_oper = dynamic_cast<const Analyzer::BinOper*>(expr);
  if (bin_oper) {
    return {codegen(bin_oper, co)};
  }
  auto u_oper = dynamic_cast<const Analyzer::UOper*>(expr);
  if (u_oper) {
    return {codegen(u_oper, co)};
  }
  auto geo_col_var = dynamic_cast<const Analyzer::GeoColumnVar*>(expr);
  if (geo_col_var) {
    // inherits from ColumnVar, so it is important we check this first
    return codegenGeoColumnVar(geo_col_var, fetch_columns, co);
  }
  auto col_var = dynamic_cast<const Analyzer::ColumnVar*>(expr);
  if (col_var) {
    return codegenColumn(col_var, fetch_columns, co);
  }
  auto constant = dynamic_cast<const Analyzer::Constant*>(expr);
  if (constant) {
    const auto& ti = constant->get_type_info();
    if (ti.get_type() == kNULLT) {
      throw std::runtime_error(
          "NULL type literals are not currently supported in this context.");
    }
    if (constant->get_is_null()) {
      return {ti.is_fp()
                  ? static_cast<llvm::Value*>(executor_->cgen_state_->inlineFpNull(ti))
                  : static_cast<llvm::Value*>(executor_->cgen_state_->inlineIntNull(ti))};
    }
    if (ti.get_compression() == kENCODING_DICT) {
      // The dictionary encoding case should be handled by the parent expression
      // (cast, for now), here is too late to know the dictionary id if not already set
      CHECK_NE(ti.getStringDictKey().dict_id, 0);
      return {codegen(constant, ti.get_compression(), ti.getStringDictKey(), co)};
    }
    return {codegen(constant, ti.get_compression(), {}, co)};
  }
  auto case_expr = dynamic_cast<const Analyzer::CaseExpr*>(expr);
  if (case_expr) {
    return {codegen(case_expr, co)};
  }
  auto extract_expr = dynamic_cast<const Analyzer::ExtractExpr*>(expr);
  if (extract_expr) {
    return {codegen(extract_expr, co)};
  }
  auto dateadd_expr = dynamic_cast<const Analyzer::DateaddExpr*>(expr);
  if (dateadd_expr) {
    return {codegen(dateadd_expr, co)};
  }
  auto datediff_expr = dynamic_cast<const Analyzer::DatediffExpr*>(expr);
  if (datediff_expr) {
    return {codegen(datediff_expr, co)};
  }
  auto datetrunc_expr = dynamic_cast<const Analyzer::DatetruncExpr*>(expr);
  if (datetrunc_expr) {
    return {codegen(datetrunc_expr, co)};
  }
  auto charlength_expr = dynamic_cast<const Analyzer::CharLengthExpr*>(expr);
  if (charlength_expr) {
    return {codegen(charlength_expr, co)};
  }
  auto keyforstring_expr = dynamic_cast<const Analyzer::KeyForStringExpr*>(expr);
  if (keyforstring_expr) {
    return {codegen(keyforstring_expr, co)};
  }
  auto sample_ratio_expr = dynamic_cast<const Analyzer::SampleRatioExpr*>(expr);
  if (sample_ratio_expr) {
    return {codegen(sample_ratio_expr, co)};
  }
  auto string_oper_expr = dynamic_cast<const Analyzer::StringOper*>(expr);
  if (string_oper_expr) {
    return {codegen(string_oper_expr, co)};
  }
  auto cardinality_expr = dynamic_cast<const Analyzer::CardinalityExpr*>(expr);
  if (cardinality_expr) {
    return {codegen(cardinality_expr, co)};
  }
  auto like_expr = dynamic_cast<const Analyzer::LikeExpr*>(expr);
  if (like_expr) {
    return {codegen(like_expr, co)};
  }
  auto regexp_expr = dynamic_cast<const Analyzer::RegexpExpr*>(expr);
  if (regexp_expr) {
    return {codegen(regexp_expr, co)};
  }
  auto width_bucket_expr = dynamic_cast<const Analyzer::WidthBucketExpr*>(expr);
  if (width_bucket_expr) {
    return {codegen(width_bucket_expr, co)};
  }
  auto likelihood_expr = dynamic_cast<const Analyzer::LikelihoodExpr*>(expr);
  if (likelihood_expr) {
    return {codegen(likelihood_expr->get_arg(), fetch_columns, co)};
  }
  auto in_expr = dynamic_cast<const Analyzer::InValues*>(expr);
  if (in_expr) {
    return {codegen(in_expr, co)};
  }
  auto in_integer_set_expr = dynamic_cast<const Analyzer::InIntegerSet*>(expr);
  if (in_integer_set_expr) {
    return {codegen(in_integer_set_expr, co)};
  }
  auto function_oper_with_custom_type_handling_expr =
      dynamic_cast<const Analyzer::FunctionOperWithCustomTypeHandling*>(expr);
  if (function_oper_with_custom_type_handling_expr) {
    return {codegenFunctionOperWithCustomTypeHandling(
        function_oper_with_custom_type_handling_expr, co)};
  }
  auto array_oper_expr = dynamic_cast<const Analyzer::ArrayExpr*>(expr);
  if (array_oper_expr) {
    return {codegenArrayExpr(array_oper_expr, co)};
  }
  auto geo_uop = dynamic_cast<const Analyzer::GeoUOper*>(expr);
  if (geo_uop) {
    return {codegenGeoUOper(geo_uop, co)};
  }
  auto geo_binop = dynamic_cast<const Analyzer::GeoBinOper*>(expr);
  if (geo_binop) {
    return {codegenGeoBinOper(geo_binop, co)};
  }
  auto function_oper_expr = dynamic_cast<const Analyzer::FunctionOper*>(expr);
  if (function_oper_expr) {
    return {codegenFunctionOper(function_oper_expr, co)};
  }
  auto geo_expr = dynamic_cast<const Analyzer::GeoExpr*>(expr);
  if (geo_expr) {
    return codegenGeoExpr(geo_expr, co);
  }
  if (dynamic_cast<const Analyzer::OffsetInFragment*>(expr)) {
    return {posArg(nullptr)};
  }
  if (dynamic_cast<const Analyzer::WindowFunction*>(expr)) {
    throw NativeExecutionError("Window expression not supported in this context");
  }
  abort();
}

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std::vector< llvm::Value * > CodeGenerator::codegen ( const Analyzer::Constant *  constant, const EncodingType  enc_type, const shared::StringDictKey &  dict_id, const CompilationOptions &  co  )

private

Definition at line 20 of file ConstantIR.cpp.

References CgenState::addStringConstant(), AUTOMATIC_IR_METADATA, Datum::boolval, cgen_state_, CHECK, codegenGeoConstant(), codegenHoistedConstants(), codegenIntConst(), CgenState::context_, decimal_to_int_type(), CompilationOptions::device_type, Datum::doubleval, executor(), Datum::floatval, Analyzer::Constant::get_constval(), get_int_type(), Analyzer::Constant::get_is_null(), Analyzer::Expr::get_type_info(), CompilationOptions::hoist_literals, inline_int_null_val(), kBIGINT, kBOOLEAN, kCHAR, kDATE, kDOUBLE, kENCODING_DICT, kFLOAT, kINT, kINTERVAL_DAY_TIME, kINTERVAL_YEAR_MONTH, kSMALLINT, kTEXT, kTIME, kTIMESTAMP, kTINYINT, kVARCHAR, CgenState::llInt(), Datum::stringval, and run_benchmark_import::type.

                                                                               {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (co.hoist_literals) {
    if (const auto geo_constant = dynamic_cast<const Analyzer::GeoConstant*>(constant)) {
      return codegenGeoConstant(geo_constant, co);
    } else {
      std::vector<const Analyzer::Constant*> constants(
          executor()->deviceCount(co.device_type), constant);
      return codegenHoistedConstants(constants, enc_type, dict_id);
    }
  }
  const auto& type_info = constant->get_type_info();
  const auto type =
      type_info.is_decimal() ? decimal_to_int_type(type_info) : type_info.get_type();
  switch (type) {
    case kBOOLEAN:
      return {llvm::ConstantInt::get(get_int_type(8, cgen_state_->context_),
                                     constant->get_constval().boolval)};
    case kTINYINT:
    case kSMALLINT:
    case kINT:
    case kBIGINT:
    case kTIME:
    case kTIMESTAMP:
    case kDATE:
    case kINTERVAL_DAY_TIME:
    case kINTERVAL_YEAR_MONTH:
      return {CodeGenerator::codegenIntConst(constant, cgen_state_)};
    case kFLOAT:
      return {llvm::ConstantFP::get(llvm::Type::getFloatTy(cgen_state_->context_),
                                    constant->get_constval().floatval)};
    case kDOUBLE:
      return {llvm::ConstantFP::get(llvm::Type::getDoubleTy(cgen_state_->context_),
                                    constant->get_constval().doubleval)};
    case kVARCHAR:
    case kCHAR:
    case kTEXT: {
      CHECK(constant->get_constval().stringval || constant->get_is_null());
      if (constant->get_is_null()) {
        if (enc_type == kENCODING_DICT) {
          return {
              cgen_state_->llInt(static_cast<int32_t>(inline_int_null_val(type_info)))};
        }
        return {cgen_state_->llInt(int64_t(0)),
                llvm::Constant::getNullValue(
                    llvm::PointerType::get(get_int_type(8, cgen_state_->context_), 0)),
                cgen_state_->llInt(int32_t(0))};
      }
      const auto& str_const = *constant->get_constval().stringval;
      if (enc_type == kENCODING_DICT) {
        return {
            cgen_state_->llInt(executor()
                                   ->getStringDictionaryProxy(
                                       dict_id, executor()->getRowSetMemoryOwner(), true)
                                   ->getIdOfString(str_const))};
      }
      return {cgen_state_->llInt(int64_t(0)),
              cgen_state_->addStringConstant(str_const),
              cgen_state_->llInt(static_cast<int32_t>(str_const.size()))};
    }
    default:
      CHECK(false);
  }
  abort();
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::InValues *  expr, const CompilationOptions &  co  )

private

Definition at line 23 of file InValuesIR.cpp.

References CgenState::addInValuesBitmap(), AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegen(), InValuesBitmap::codegen(), codegenCmp(), CgenState::context_, createInValuesBitmap(), CgenState::emitCall(), executor(), Analyzer::InValues::get_arg(), Analyzer::Expr::get_type_info(), Analyzer::InValues::get_value_list(), CompilationOptions::hoist_literals, CgenState::inlineIntNull(), CgenState::ir_builder_, is_unnest(), kBOOLEAN, kEQ, kONE, CgenState::llInt(), run_benchmark_import::result, and toBool().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto in_arg = expr->get_arg();
  if (is_unnest(in_arg)) {
    throw std::runtime_error("IN not supported for unnested expressions");
  }
  const auto& expr_ti = expr->get_type_info();
  CHECK(expr_ti.is_boolean());
  const auto lhs_lvs = codegen(in_arg, true, co);
  llvm::Value* result{nullptr};
  if (expr_ti.get_notnull()) {
    result = llvm::ConstantInt::get(llvm::IntegerType::getInt1Ty(cgen_state_->context_),
                                    false);
  } else {
    result = cgen_state_->llInt(int8_t(0));
  }
  CHECK(result);
  if (co.hoist_literals) {  // TODO(alex): remove this constraint
    auto in_vals_bitmap = createInValuesBitmap(expr, co);
    if (in_vals_bitmap) {
      if (in_vals_bitmap->isEmpty()) {
        return in_vals_bitmap->hasNull()
                   ? cgen_state_->inlineIntNull(SQLTypeInfo(kBOOLEAN, false))
                   : result;
      }
      CHECK_EQ(size_t(1), lhs_lvs.size());
      return cgen_state_->addInValuesBitmap(in_vals_bitmap)
          ->codegen(lhs_lvs.front(), executor());
    }
  }
  if (expr_ti.get_notnull()) {
    for (auto in_val : expr->get_value_list()) {
      result = cgen_state_->ir_builder_.CreateOr(
          result,
          toBool(
              codegenCmp(kEQ, kONE, lhs_lvs, in_arg->get_type_info(), in_val.get(), co)));
    }
  } else {
    for (auto in_val : expr->get_value_list()) {
      const auto crt =
          codegenCmp(kEQ, kONE, lhs_lvs, in_arg->get_type_info(), in_val.get(), co);
      result = cgen_state_->emitCall("logical_or",
                                     {result, crt, cgen_state_->inlineIntNull(expr_ti)});
    }
  }
  return result;
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::InIntegerSet *  expr, const CompilationOptions &  co  )

private

Definition at line 72 of file InValuesIR.cpp.

References CgenState::addInValuesBitmap(), AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegen(), InValuesBitmap::codegen(), CgenState::context_, Data_Namespace::CPU_LEVEL, CompilationOptions::device_type, executor(), Analyzer::InIntegerSet::get_arg(), Analyzer::Expr::get_type_info(), Analyzer::InIntegerSet::get_value_list(), GPU, Data_Namespace::GPU_LEVEL, CompilationOptions::hoist_literals, inline_int_null_val(), is_unnest(), CgenState::llInt(), and run_benchmark_import::result.

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto in_arg = in_integer_set->get_arg();
  if (is_unnest(in_arg)) {
    throw std::runtime_error("IN not supported for unnested expressions");
  }
  const auto& ti = in_integer_set->get_arg()->get_type_info();
  const auto needle_null_val = inline_int_null_val(ti);
  if (!co.hoist_literals) {
    // We never run without literal hoisting in real world scenarios, this avoids a crash
    // when testing.
    throw std::runtime_error(
        "IN subquery with many right-hand side values not supported when literal "
        "hoisting is disabled");
  }
  auto in_vals_bitmap = std::make_unique<InValuesBitmap>(
      in_integer_set->get_value_list(),
      needle_null_val,
      co.device_type == ExecutorDeviceType::GPU ? Data_Namespace::GPU_LEVEL
                                                : Data_Namespace::CPU_LEVEL,
      executor()->deviceCount(co.device_type),
      executor()->data_mgr_);
  const auto& in_integer_set_ti = in_integer_set->get_type_info();
  CHECK(in_integer_set_ti.is_boolean());
  const auto lhs_lvs = codegen(in_arg, true, co);
  llvm::Value* result{nullptr};
  if (in_integer_set_ti.get_notnull()) {
    result = llvm::ConstantInt::get(llvm::IntegerType::getInt1Ty(cgen_state_->context_),
                                    false);
  } else {
    result = cgen_state_->llInt(int8_t(0));
  }
  CHECK(result);
  CHECK_EQ(size_t(1), lhs_lvs.size());
  return cgen_state_->addInValuesBitmap(in_vals_bitmap)
      ->codegen(lhs_lvs.front(), executor());
}

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std::vector< llvm::Value * > CodeGenerator::codegen ( const Analyzer::CaseExpr *  case_expr, const CompilationOptions &  co  )

private

Definition at line 20 of file CaseIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegenCase(), CgenState::context_, createStringViewStructType(), get_bit_width(), Analyzer::CaseExpr::get_else_expr(), get_int_type(), Analyzer::Expr::get_type_info(), CgenState::ir_builder_, kENCODING_DICT, and kFLOAT.

                                                                               {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto case_ti = case_expr->get_type_info();
  llvm::Type* case_llvm_type = nullptr;
  bool is_real_str = false;
  if (case_ti.is_integer() || case_ti.is_time() || case_ti.is_decimal()) {
    case_llvm_type = get_int_type(get_bit_width(case_ti), cgen_state_->context_);
  } else if (case_ti.is_fp()) {
    case_llvm_type = case_ti.get_type() == kFLOAT
                         ? llvm::Type::getFloatTy(cgen_state_->context_)
                         : llvm::Type::getDoubleTy(cgen_state_->context_);
  } else if (case_ti.is_string()) {
    if (case_ti.get_compression() == kENCODING_DICT) {
      case_llvm_type =
          get_int_type(8 * case_ti.get_logical_size(), cgen_state_->context_);
    } else {
      is_real_str = true;
      case_llvm_type = createStringViewStructType();
    }
  } else if (case_ti.is_boolean()) {
    case_llvm_type = get_int_type(8 * case_ti.get_logical_size(), cgen_state_->context_);
  }
  CHECK(case_llvm_type);
  const auto& else_ti = case_expr->get_else_expr()->get_type_info();
  CHECK_EQ(else_ti.get_type(), case_ti.get_type());
  llvm::Value* case_val = codegenCase(case_expr, case_llvm_type, is_real_str, co);
  std::vector<llvm::Value*> ret_vals{case_val};
  if (is_real_str) {
    ret_vals.push_back(cgen_state_->ir_builder_.CreateExtractValue(case_val, 0));
    ret_vals.push_back(cgen_state_->ir_builder_.CreateExtractValue(case_val, 1));
    ret_vals.back() = cgen_state_->ir_builder_.CreateTrunc(
        ret_vals.back(), llvm::Type::getInt32Ty(cgen_state_->context_));
  }
  return ret_vals;
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::ExtractExpr *  extract_expr, const CompilationOptions &  co  )

private

Definition at line 76 of file DateTimeIR.cpp.

References AUTOMATIC_IR_METADATA, CHECK, DateTimeUtils::get_extract_timestamp_precision_scale(), Analyzer::ExtractExpr::get_field(), Analyzer::ExtractExpr::get_from_expr(), get_int_type(), Analyzer::Expr::get_type_info(), DateTimeUtils::is_subsecond_extract_field(), kDATE, kEPOCH, and kTIMESTAMP.

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  auto from_expr = codegen(extract_expr->get_from_expr(), true, co).front();
  const int32_t extract_field{extract_expr->get_field()};
  const auto& extract_expr_ti = extract_expr->get_from_expr()->get_type_info();
  if (extract_field == kEPOCH) {
    CHECK(extract_expr_ti.get_type() == kTIMESTAMP ||
          extract_expr_ti.get_type() == kDATE);
    if (from_expr->getType()->isIntegerTy(32)) {
      from_expr =
          cgen_state_->ir_builder_.CreateCast(llvm::Instruction::CastOps::SExt,
                                              from_expr,
                                              get_int_type(64, cgen_state_->context_));
      return from_expr;
    }
  }
  CHECK(from_expr->getType()->isIntegerTy(64));
  if (extract_expr_ti.is_high_precision_timestamp()) {
    from_expr = codegenExtractHighPrecisionTimestamps(
        from_expr, extract_expr_ti, extract_expr->get_field());
  }
  if (!extract_expr_ti.is_high_precision_timestamp() &&
      is_subsecond_extract_field(extract_expr->get_field())) {
    from_expr =
        extract_expr_ti.get_notnull()
            ? cgen_state_->ir_builder_.CreateMul(
                  from_expr,
                  cgen_state_->llInt(
                      get_extract_timestamp_precision_scale(extract_expr->get_field())))
            : cgen_state_->emitCall(
                  "mul_int64_t_nullable_lhs",
                  {from_expr,
                   cgen_state_->llInt(
                       get_extract_timestamp_precision_scale(extract_expr->get_field())),
                   cgen_state_->inlineIntNull(extract_expr_ti)});
  }
  const auto extract_fname = get_extract_function_name(extract_expr->get_field());
  if (!extract_expr_ti.get_notnull()) {
    llvm::BasicBlock* extract_nullcheck_bb{nullptr};
    llvm::PHINode* extract_nullcheck_value{nullptr};
    {
      DiamondCodegen null_check(cgen_state_->ir_builder_.CreateICmp(
                                    llvm::ICmpInst::ICMP_EQ,
                                    from_expr,
                                    cgen_state_->inlineIntNull(extract_expr_ti)),
                                executor(),
                                false,
                                "extract_nullcheck",
                                nullptr,
                                false);
      // generate a phi node depending on whether we got a null or not
      extract_nullcheck_bb = llvm::BasicBlock::Create(
          cgen_state_->context_, "extract_nullcheck_bb", cgen_state_->current_func_);

      // update the blocks created by diamond codegen to point to the newly created phi
      // block
      cgen_state_->ir_builder_.SetInsertPoint(null_check.cond_true_);
      cgen_state_->ir_builder_.CreateBr(extract_nullcheck_bb);
      cgen_state_->ir_builder_.SetInsertPoint(null_check.cond_false_);
      auto extract_call =
          cgen_state_->emitExternalCall(extract_fname,
                                        get_int_type(64, cgen_state_->context_),
                                        std::vector<llvm::Value*>{from_expr});
      cgen_state_->ir_builder_.CreateBr(extract_nullcheck_bb);

      cgen_state_->ir_builder_.SetInsertPoint(extract_nullcheck_bb);
      extract_nullcheck_value = cgen_state_->ir_builder_.CreatePHI(
          get_int_type(64, cgen_state_->context_), 2, "extract_value");
      extract_nullcheck_value->addIncoming(extract_call, null_check.cond_false_);
      extract_nullcheck_value->addIncoming(cgen_state_->inlineIntNull(extract_expr_ti),
                                           null_check.cond_true_);
    }

    // diamond codegen will set the insert point in its destructor. override it to
    // continue using the extract nullcheck bb
    CHECK(extract_nullcheck_bb);
    cgen_state_->ir_builder_.SetInsertPoint(extract_nullcheck_bb);
    CHECK(extract_nullcheck_value);
    return extract_nullcheck_value;
  } else {
    return cgen_state_->emitExternalCall(extract_fname,
                                         get_int_type(64, cgen_state_->context_),
                                         std::vector<llvm::Value*>{from_expr});
  }
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::DateaddExpr *  dateadd_expr, const CompilationOptions &  co  )

private

Definition at line 163 of file DateTimeIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, codegen(), CgenState::context_, CgenState::emitExternalCall(), Analyzer::DateaddExpr::get_datetime_expr(), Analyzer::DateaddExpr::get_field(), get_int_type(), Analyzer::DateaddExpr::get_number_expr(), Analyzer::Expr::get_type_info(), inline_fixed_encoding_null_val(), inline_int_null_val(), DateTimeUtils::is_subsecond_dateadd_field(), kDATE, kTIMESTAMP, CgenState::llInt(), and Analyzer::DateaddExpr::use_fixed_encoding_null_val().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto& dateadd_expr_ti = dateadd_expr->get_type_info();
  CHECK(dateadd_expr_ti.get_type() == kTIMESTAMP || dateadd_expr_ti.get_type() == kDATE);
  auto datetime = codegen(dateadd_expr->get_datetime_expr(), true, co).front();
  CHECK(datetime->getType()->isIntegerTy(64));
  auto number = codegen(dateadd_expr->get_number_expr(), true, co).front();

  const auto& datetime_ti = dateadd_expr->get_datetime_expr()->get_type_info();
  std::vector<llvm::Value*> dateadd_args{
      cgen_state_->llInt(static_cast<int32_t>(dateadd_expr->get_field())),
      number,
      datetime};
  std::string dateadd_fname{"DateAdd"};
  if (is_subsecond_dateadd_field(dateadd_expr->get_field()) ||
      dateadd_expr_ti.is_high_precision_timestamp()) {
    dateadd_fname += "HighPrecision";
    dateadd_args.push_back(
        cgen_state_->llInt(static_cast<int32_t>(datetime_ti.get_dimension())));
  }
  if (!datetime_ti.get_notnull()) {
    auto null_val = dateadd_expr->use_fixed_encoding_null_val()
                        ? inline_fixed_encoding_null_val(datetime_ti)
                        : inline_int_null_val(datetime_ti);
    dateadd_args.push_back(cgen_state_->llInt((int64_t)null_val));
    dateadd_fname += "Nullable";
  }
  return cgen_state_->emitExternalCall(dateadd_fname,
                                       get_int_type(64, cgen_state_->context_),
                                       dateadd_args,
                                       {llvm::Attribute::NoUnwind,
                                        llvm::Attribute::ReadNone,
                                        llvm::Attribute::Speculatable});
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::DatediffExpr *  datediff_expr, const CompilationOptions &  co  )

private

Definition at line 199 of file DateTimeIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, codegen(), CgenState::context_, CgenState::emitExternalCall(), Analyzer::DatediffExpr::get_end_expr(), Analyzer::DatediffExpr::get_field(), get_int_type(), Analyzer::DatediffExpr::get_start_expr(), Analyzer::Expr::get_type_info(), CgenState::inlineIntNull(), and CgenState::llInt().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  auto start = codegen(datediff_expr->get_start_expr(), true, co).front();
  CHECK(start->getType()->isIntegerTy(64));
  auto end = codegen(datediff_expr->get_end_expr(), true, co).front();
  CHECK(end->getType()->isIntegerTy(32) || end->getType()->isIntegerTy(64));
  const auto& start_ti = datediff_expr->get_start_expr()->get_type_info();
  const auto& end_ti = datediff_expr->get_end_expr()->get_type_info();
  std::vector<llvm::Value*> datediff_args{
      cgen_state_->llInt(static_cast<int32_t>(datediff_expr->get_field())), start, end};
  std::string datediff_fname{"DateDiff"};
  if (start_ti.is_high_precision_timestamp() || end_ti.is_high_precision_timestamp()) {
    datediff_fname += "HighPrecision";
    datediff_args.push_back(
        cgen_state_->llInt(static_cast<int32_t>(start_ti.get_dimension())));
    datediff_args.push_back(
        cgen_state_->llInt(static_cast<int32_t>(end_ti.get_dimension())));
  }
  const auto& ret_ti = datediff_expr->get_type_info();
  if (!start_ti.get_notnull() || !end_ti.get_notnull()) {
    datediff_args.push_back(cgen_state_->inlineIntNull(ret_ti));
    datediff_fname += "Nullable";
  }
  return cgen_state_->emitExternalCall(
      datediff_fname, get_int_type(64, cgen_state_->context_), datediff_args);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::DatetruncExpr *  datetrunc_expr, const CompilationOptions &  co  )

private

Definition at line 227 of file DateTimeIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, codegen(), codegenDateTruncHighPrecisionTimestamps(), CgenState::context_, datetrunc_fname_lookup, dtMICROSECOND, dtMILLISECOND, dtNANOSECOND, dtSECOND, CgenState::emitExternalCall(), executor(), field(), Analyzer::DatetruncExpr::get_field(), Analyzer::DatetruncExpr::get_from_expr(), get_int_type(), Analyzer::Expr::get_type_info(), and CgenState::ir_builder_.

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  auto from_expr = codegen(datetrunc_expr->get_from_expr(), true, co).front();
  const auto& datetrunc_expr_ti = datetrunc_expr->get_from_expr()->get_type_info();
  CHECK(from_expr->getType()->isIntegerTy(64));
  DatetruncField const field = datetrunc_expr->get_field();
  if (datetrunc_expr_ti.is_high_precision_timestamp()) {
    return codegenDateTruncHighPrecisionTimestamps(from_expr, datetrunc_expr_ti, field);
  }
  static_assert(dtSECOND + 1 == dtMILLISECOND, "Please keep these consecutive.");
  static_assert(dtMILLISECOND + 1 == dtMICROSECOND, "Please keep these consecutive.");
  static_assert(dtMICROSECOND + 1 == dtNANOSECOND, "Please keep these consecutive.");
  if (dtSECOND <= field && field <= dtNANOSECOND) {
    return cgen_state_->ir_builder_.CreateCast(llvm::Instruction::CastOps::SExt,
                                               from_expr,
                                               get_int_type(64, cgen_state_->context_));
  }
  std::unique_ptr<CodeGenerator::NullCheckCodegen> nullcheck_codegen;
  const bool is_nullable = !datetrunc_expr_ti.get_notnull();
  if (is_nullable) {
    nullcheck_codegen = std::make_unique<NullCheckCodegen>(
        cgen_state_, executor(), from_expr, datetrunc_expr_ti, "date_trunc_nullcheck");
  }
  char const* const fname = datetrunc_fname_lookup.at(field);
  auto ret = cgen_state_->emitExternalCall(
      fname, get_int_type(64, cgen_state_->context_), {from_expr});
  if (is_nullable) {
    ret = nullcheck_codegen->finalize(ll_int(NULL_BIGINT, cgen_state_->context_), ret);
  }
  return ret;
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::CharLengthExpr *  expr, const CompilationOptions &  co  )

private

Definition at line 219 of file StringOpsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK_EQ, codegen(), CgenState::context_, CompilationOptions::device_type, CgenState::emitCall(), CgenState::emitExternalCall(), Analyzer::CharLengthExpr::get_arg(), Analyzer::CharLengthExpr::get_calc_encoded_length(), get_int_type(), SQLTypeInfo::get_notnull(), Analyzer::Expr::get_type_info(), GPU, CgenState::inlineIntNull(), and CgenState::ir_builder_.

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  auto str_lv = codegen(expr->get_arg(), true, co);
  if (str_lv.size() != 3) {
    CHECK_EQ(size_t(1), str_lv.size());
    str_lv.push_back(cgen_state_->ir_builder_.CreateExtractValue(str_lv.front(), 0));
    str_lv.push_back(cgen_state_->ir_builder_.CreateExtractValue(str_lv.front(), 1));
    str_lv.back() = cgen_state_->ir_builder_.CreateTrunc(
        str_lv.back(), llvm::Type::getInt32Ty(cgen_state_->context_));
    if (co.device_type == ExecutorDeviceType::GPU) {
      throw QueryMustRunOnCpu();
    }
  }
  std::vector<llvm::Value*> charlength_args{str_lv[1], str_lv[2]};
  std::string fn_name("char_length");
  if (expr->get_calc_encoded_length()) {
    fn_name += "_encoded";
  }
  const bool is_nullable{!expr->get_arg()->get_type_info().get_notnull()};
  if (is_nullable) {
    fn_name += "_nullable";
    charlength_args.push_back(cgen_state_->inlineIntNull(expr->get_type_info()));
  }
  return expr->get_calc_encoded_length()
             ? cgen_state_->emitExternalCall(
                   fn_name, get_int_type(32, cgen_state_->context_), charlength_args)
             : cgen_state_->emitCall(fn_name, charlength_args);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::KeyForStringExpr *  expr, const CompilationOptions &  co  )

private

Definition at line 249 of file StringOpsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK_EQ, codegen(), CgenState::emitCall(), and Analyzer::KeyForStringExpr::get_arg().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  auto str_lv = codegen(expr->get_arg(), true, co);
  CHECK_EQ(size_t(1), str_lv.size());
  return cgen_state_->emitCall("key_for_string_encoded", str_lv);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::SampleRatioExpr *  expr, const CompilationOptions &  co  )

private

Definition at line 217 of file IRCodegen.cpp.

References run_benchmark_import::args, AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegen(), CgenState::context_, CgenState::emitCall(), executor(), Analyzer::SampleRatioExpr::get_arg(), kDOUBLE, ll_bool(), and posArg().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  auto input_expr = expr->get_arg();
  CHECK(input_expr);

  auto double_lv = codegen(input_expr, true, co);
  CHECK_EQ(size_t(1), double_lv.size());

  std::unique_ptr<CodeGenerator::NullCheckCodegen> nullcheck_codegen;
  const bool is_nullable = !input_expr->get_type_info().get_notnull();
  if (is_nullable) {
    nullcheck_codegen = std::make_unique<NullCheckCodegen>(cgen_state_,
                                                           executor(),
                                                           double_lv.front(),
                                                           input_expr->get_type_info(),
                                                           "sample_ratio_nullcheck");
  }
  CHECK_EQ(input_expr->get_type_info().get_type(), kDOUBLE);
  std::vector<llvm::Value*> args{double_lv[0], posArg(nullptr)};
  auto ret = cgen_state_->emitCall("sample_ratio", args);
  if (nullcheck_codegen) {
    ret = nullcheck_codegen->finalize(ll_bool(false, cgen_state_->context_), ret);
  }
  return ret;
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::WidthBucketExpr *  expr, const CompilationOptions &  co  )

private

Definition at line 244 of file IRCodegen.cpp.

References AUTOMATIC_IR_METADATA, Analyzer::WidthBucketExpr::can_skip_out_of_bound_check(), cgen_state_, CHECK, codegenConstantWidthBucketExpr(), codegenWidthBucketExpr(), executor_, Analyzer::WidthBucketExpr::get_lower_bound(), Analyzer::WidthBucketExpr::get_partition_count(), Analyzer::WidthBucketExpr::get_partition_count_val(), Analyzer::WidthBucketExpr::get_target_value(), Analyzer::WidthBucketExpr::get_upper_bound(), getExpressionRange(), PlanState::getSimpleQuals(), Integer, Analyzer::WidthBucketExpr::is_constant_expr(), kCAST, plan_state_, PlanState::query_infos_, Analyzer::WidthBucketExpr::set_constant_expr(), and Analyzer::WidthBucketExpr::skip_out_of_bound_check().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  auto target_value_expr = expr->get_target_value();
  auto lower_bound_expr = expr->get_lower_bound();
  auto upper_bound_expr = expr->get_upper_bound();
  auto partition_count_expr = expr->get_partition_count();
  CHECK(target_value_expr);
  CHECK(lower_bound_expr);
  CHECK(upper_bound_expr);
  CHECK(partition_count_expr);

  auto is_constant_expr = [](const Analyzer::Expr* expr) {
    auto target_expr = expr;
    if (auto cast_expr = dynamic_cast<const Analyzer::UOper*>(expr)) {
      if (cast_expr->get_optype() == SQLOps::kCAST) {
        target_expr = cast_expr->get_operand();
      }
    }
    // there are more complex constant expr like 1+2, 1/2*3, and so on
    // but when considering a typical usage of width_bucket function
    // it is sufficient to consider a singleton constant expr
    auto constant_expr = dynamic_cast<const Analyzer::Constant*>(target_expr);
    if (constant_expr) {
      return true;
    }
    return false;
  };
  if (is_constant_expr(lower_bound_expr) && is_constant_expr(upper_bound_expr) &&
      is_constant_expr(partition_count_expr)) {
    expr->set_constant_expr();
  }
  // compute width_bucket's expresn range and check the possibility of avoiding oob check
  auto col_range =
      getExpressionRange(expr,
                         plan_state_->query_infos_,
                         executor_,
                         boost::make_optional(plan_state_->getSimpleQuals()));
  // check whether target_expr is valid
  if (col_range.getType() == ExpressionRangeType::Integer &&
      !expr->can_skip_out_of_bound_check() && col_range.getIntMin() > 0 &&
      col_range.getIntMax() <= expr->get_partition_count_val()) {
    // check whether target_col is not-nullable or has filter expr on it
    if (!col_range.hasNulls()) {
      // Even if the target_expr has its filter expression, target_col_range may exactly
      // the same with the col_range of the target_expr's operand col,
      // i.e., SELECT WIDTH_BUCKET(v1, 1, 10, 10) FROM T WHERE v1 != 1;
      // In that query, col_range of v1 with/without considering the filter expression
      // v1 != 1 have exactly the same col ranges, so we cannot recognize the existence
      // of the filter expression based on them. Also, is (not) null is located in
      // FilterNode, so we cannot trace it in here.
      // todo (yoonmin): relax this to allow skipping oob check more cases
      expr->skip_out_of_bound_check();
    }
  }
  return expr->is_constant_expr() ? codegenConstantWidthBucketExpr(expr, co)
                                  : codegenWidthBucketExpr(expr, co);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::StringOper *  expr, const CompilationOptions &  co  )

private

Definition at line 490 of file StringOpsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK_EQ, CHECK_GE, codegen(), StringDictionaryTranslationMgr::codegen(), codegenPerRowStringOper(), CompilationOptions::device_type, executor(), Analyzer::Expr::get_type_info(), Analyzer::StringOper::getArg(), Analyzer::StringOper::getArity(), CgenState::moveStringDictionaryTranslationMgr(), Analyzer::StringOper::requiresPerRowTranslation(), and translate_dict_strings().

                                                                  {
  CHECK_GE(expr->getArity(), 1UL);
  if (expr->requiresPerRowTranslation()) {
    return codegenPerRowStringOper(expr, co);
  }

  AUTOMATIC_IR_METADATA(cgen_state_);

  auto string_dictionary_translation_mgr =
      translate_dict_strings(expr, co.device_type, executor());

  auto str_id_lv = codegen(expr->getArg(0), true, co);
  CHECK_EQ(size_t(1), str_id_lv.size());
  const auto& expr_ti = expr->get_type_info();

  return cgen_state_
      ->moveStringDictionaryTranslationMgr(std::move(string_dictionary_translation_mgr))
      ->codegen(str_id_lv[0], expr_ti, true /* add_nullcheck */, co);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::LikeExpr *  expr, const CompilationOptions &  co  )

private

Definition at line 544 of file StringOpsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegen(), codegenDictLike(), CgenState::context_, CompilationOptions::device_type, CgenState::emitCall(), extract_cast_arg(), g_enable_watchdog, Analyzer::LikeExpr::get_arg(), Analyzer::LikeExpr::get_escape_expr(), Analyzer::LikeExpr::get_is_ilike(), Analyzer::LikeExpr::get_is_simple(), Analyzer::LikeExpr::get_like_expr(), SQLTypeInfo::get_notnull(), Analyzer::LikeExpr::get_own_arg(), Analyzer::Expr::get_type_info(), GPU, CgenState::inlineIntNull(), CgenState::ir_builder_, is_unnest(), kENCODING_NONE, and CgenState::llInt().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (is_unnest(extract_cast_arg(expr->get_arg()))) {
    throw std::runtime_error("LIKE not supported for unnested expressions");
  }
  char escape_char{'\\'};
  if (expr->get_escape_expr()) {
    auto escape_char_expr =
        dynamic_cast<const Analyzer::Constant*>(expr->get_escape_expr());
    CHECK(escape_char_expr);
    CHECK(escape_char_expr->get_type_info().is_string());
    CHECK_EQ(size_t(1), escape_char_expr->get_constval().stringval->size());
    escape_char = (*escape_char_expr->get_constval().stringval)[0];
  }
  auto pattern = dynamic_cast<const Analyzer::Constant*>(expr->get_like_expr());
  CHECK(pattern);
  auto fast_dict_like_lv = codegenDictLike(expr->get_own_arg(),
                                           pattern,
                                           expr->get_is_ilike(),
                                           expr->get_is_simple(),
                                           escape_char,
                                           co);
  if (fast_dict_like_lv) {
    return fast_dict_like_lv;
  }
  const auto& ti = expr->get_arg()->get_type_info();
  CHECK(ti.is_string());
  if (g_enable_watchdog && ti.get_compression() != kENCODING_NONE) {
    throw WatchdogException(
        "Cannot do LIKE / ILIKE on this dictionary encoded column, its cardinality is "
        "too high");
  }
  auto str_lv = codegen(expr->get_arg(), true, co);
  if (str_lv.size() != 3) {
    CHECK_EQ(size_t(1), str_lv.size());
    str_lv.push_back(cgen_state_->ir_builder_.CreateExtractValue(str_lv.front(), 0));
    str_lv.push_back(cgen_state_->ir_builder_.CreateExtractValue(str_lv.front(), 1));
    str_lv.back() = cgen_state_->ir_builder_.CreateTrunc(
        str_lv.back(), llvm::Type::getInt32Ty(cgen_state_->context_));
    if (co.device_type == ExecutorDeviceType::GPU) {
      throw QueryMustRunOnCpu();
    }
  }
  auto like_expr_arg_lvs = codegen(expr->get_like_expr(), true, co);
  CHECK_EQ(size_t(3), like_expr_arg_lvs.size());
  const bool is_nullable{!expr->get_arg()->get_type_info().get_notnull()};
  std::vector<llvm::Value*> str_like_args{
      str_lv[1], str_lv[2], like_expr_arg_lvs[1], like_expr_arg_lvs[2]};
  std::string fn_name{expr->get_is_ilike() ? "string_ilike" : "string_like"};
  if (expr->get_is_simple()) {
    fn_name += "_simple";
  } else {
    str_like_args.push_back(cgen_state_->llInt(int8_t(escape_char)));
  }
  if (is_nullable) {
    fn_name += "_nullable";
    str_like_args.push_back(cgen_state_->inlineIntNull(expr->get_type_info()));
  }
  return cgen_state_->emitCall(fn_name, str_like_args);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::RegexpExpr *  expr, const CompilationOptions &  co  )

private

Definition at line 799 of file StringOpsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegen(), codegenDictRegexp(), CgenState::context_, CompilationOptions::device_type, CgenState::emitExternalCall(), extract_cast_arg(), g_enable_watchdog, Analyzer::RegexpExpr::get_arg(), Analyzer::RegexpExpr::get_escape_expr(), get_int_type(), SQLTypeInfo::get_notnull(), Analyzer::RegexpExpr::get_own_arg(), Analyzer::RegexpExpr::get_pattern_expr(), Analyzer::Expr::get_type_info(), GPU, CgenState::inlineIntNull(), CgenState::ir_builder_, is_unnest(), kENCODING_NONE, and CgenState::llInt().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (is_unnest(extract_cast_arg(expr->get_arg()))) {
    throw std::runtime_error("REGEXP not supported for unnested expressions");
  }
  char escape_char{'\\'};
  if (expr->get_escape_expr()) {
    auto escape_char_expr =
        dynamic_cast<const Analyzer::Constant*>(expr->get_escape_expr());
    CHECK(escape_char_expr);
    CHECK(escape_char_expr->get_type_info().is_string());
    CHECK_EQ(size_t(1), escape_char_expr->get_constval().stringval->size());
    escape_char = (*escape_char_expr->get_constval().stringval)[0];
  }
  auto pattern = dynamic_cast<const Analyzer::Constant*>(expr->get_pattern_expr());
  CHECK(pattern);
  auto fast_dict_pattern_lv =
      codegenDictRegexp(expr->get_own_arg(), pattern, escape_char, co);
  if (fast_dict_pattern_lv) {
    return fast_dict_pattern_lv;
  }
  const auto& ti = expr->get_arg()->get_type_info();
  CHECK(ti.is_string());
  if (g_enable_watchdog && ti.get_compression() != kENCODING_NONE) {
    throw WatchdogException(
        "Cannot do REGEXP_LIKE on this dictionary encoded column, its cardinality is too "
        "high");
  }
  // Now we know we are working on NONE ENCODED column. So switch back to CPU
  if (co.device_type == ExecutorDeviceType::GPU) {
    throw QueryMustRunOnCpu();
  }
  auto str_lv = codegen(expr->get_arg(), true, co);
  if (str_lv.size() != 3) {
    CHECK_EQ(size_t(1), str_lv.size());
    str_lv.push_back(cgen_state_->ir_builder_.CreateExtractValue(str_lv.front(), 0));
    str_lv.push_back(cgen_state_->ir_builder_.CreateExtractValue(str_lv.front(), 1));
    str_lv.back() = cgen_state_->ir_builder_.CreateTrunc(
        str_lv.back(), llvm::Type::getInt32Ty(cgen_state_->context_));
  }
  auto regexp_expr_arg_lvs = codegen(expr->get_pattern_expr(), true, co);
  CHECK_EQ(size_t(3), regexp_expr_arg_lvs.size());
  const bool is_nullable{!expr->get_arg()->get_type_info().get_notnull()};
  std::vector<llvm::Value*> regexp_args{
      str_lv[1], str_lv[2], regexp_expr_arg_lvs[1], regexp_expr_arg_lvs[2]};
  std::string fn_name("regexp_like");
  regexp_args.push_back(cgen_state_->llInt(int8_t(escape_char)));
  if (is_nullable) {
    fn_name += "_nullable";
    regexp_args.push_back(cgen_state_->inlineIntNull(expr->get_type_info()));
    return cgen_state_->emitExternalCall(
        fn_name, get_int_type(8, cgen_state_->context_), regexp_args);
  }
  return cgen_state_->emitExternalCall(
      fn_name, get_int_type(1, cgen_state_->context_), regexp_args);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::CardinalityExpr *  expr, const CompilationOptions &  co  )

private

Definition at line 68 of file ArrayIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, codegen(), CgenState::context_, CgenState::emitExternalCall(), Analyzer::CardinalityExpr::get_arg(), get_int_type(), Analyzer::Expr::get_type_info(), CgenState::inlineIntNull(), CgenState::llInt(), log2_bytes(), and posArg().

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto arr_expr = expr->get_arg();
  const auto& array_ti = arr_expr->get_type_info();
  CHECK(array_ti.is_array());
  const auto& elem_ti = array_ti.get_elem_type();
  auto arr_lv = codegen(arr_expr, true, co);
  std::string fn_name("array_size");

  std::vector<llvm::Value*> array_size_args{
      arr_lv.front(),
      posArg(arr_expr),
      cgen_state_->llInt(log2_bytes(elem_ti.get_logical_size()))};
  const bool is_nullable{!arr_expr->get_type_info().get_notnull()};
  if (is_nullable) {
    fn_name += "_nullable";
    array_size_args.push_back(cgen_state_->inlineIntNull(expr->get_type_info()));
  }
  return cgen_state_->emitExternalCall(
      fn_name, get_int_type(32, cgen_state_->context_), array_size_args);
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::BinOper *  bin_oper, const CompilationOptions &  co  )

private

Definition at line 173 of file IRCodegen.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, codegenArith(), codegenArrayAt(), codegenCmp(), codegenLogical(), Analyzer::BinOper::get_optype(), IS_ARITHMETIC, IS_COMPARISON, IS_LOGIC, and kARRAY_AT.

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto optype = bin_oper->get_optype();
  if (IS_ARITHMETIC(optype)) {
    return codegenArith(bin_oper, co);
  }
  if (IS_COMPARISON(optype)) {
    return codegenCmp(bin_oper, co);
  }
  if (IS_LOGIC(optype)) {
    return codegenLogical(bin_oper, co);
  }
  if (optype == kARRAY_AT) {
    return codegenArrayAt(bin_oper, co);
  }
  abort();
}

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llvm::Value * CodeGenerator::codegen ( const Analyzer::UOper *  u_oper, const CompilationOptions &  co  )

private

Definition at line 192 of file IRCodegen.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, codegenCast(), codegenIsNull(), codegenLogical(), codegenUMinus(), codegenUnnest(), Analyzer::UOper::get_optype(), kCAST, kISNULL, kNOT, kUMINUS, kUNNEST, and UNREACHABLE.

                                                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto optype = u_oper->get_optype();
  switch (optype) {
    case kNOT: {
      return codegenLogical(u_oper, co);
    }
    case kCAST: {
      return codegenCast(u_oper, co);
    }
    case kUMINUS: {
      return codegenUMinus(u_oper, co);
    }
    case kISNULL: {
      return codegenIsNull(u_oper, co);
    }
    case kUNNEST:
      return codegenUnnest(u_oper, co);
    default:
      UNREACHABLE();
  }
  return nullptr;
}

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llvm::Value * CodeGenerator::codegenAdd ( const Analyzer::BinOper *  bin_oper, llvm::Value *  lhs_lv, llvm::Value *  rhs_lv, const std::string &  null_typename, const std::string &  null_check_suffix, const SQLTypeInfo &  ti, const CompilationOptions &  co  )

private

Definition at line 217 of file ArithmeticIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, checkExpressionRanges(), codegenBinOpWithOverflowForCPU(), codegenSkipOverflowCheckForNull(), CgenState::context_, CPU, CgenState::current_func_, CompilationOptions::device_type, CgenState::emitCall(), Executor::ERR_OVERFLOW_OR_UNDERFLOW, SQLTypeInfo::get_size(), inline_int_null_val(), CgenState::inlineIntMaxMin(), CgenState::ir_builder_, SQLTypeInfo::is_decimal(), SQLTypeInfo::is_integer(), SQLTypeInfo::is_timeinterval(), CgenState::llInt(), and CgenState::needs_error_check_.

Referenced by codegenIntArith().

                                                                     {
  AUTOMATIC_IR_METADATA(cgen_state_);
  CHECK_EQ(lhs_lv->getType(), rhs_lv->getType());
  CHECK(ti.is_integer() || ti.is_decimal() || ti.is_timeinterval());
  llvm::Value* chosen_max{nullptr};
  llvm::Value* chosen_min{nullptr};
  std::tie(chosen_max, chosen_min) = cgen_state_->inlineIntMaxMin(ti.get_size(), true);
  auto need_overflow_check =
      !checkExpressionRanges(bin_oper,
                             static_cast<llvm::ConstantInt*>(chosen_min)->getSExtValue(),
                             static_cast<llvm::ConstantInt*>(chosen_max)->getSExtValue());

  if (need_overflow_check && co.device_type == ExecutorDeviceType::CPU) {
    return codegenBinOpWithOverflowForCPU(
        bin_oper, lhs_lv, rhs_lv, null_check_suffix, ti);
  }

  llvm::BasicBlock* add_ok{nullptr};
  llvm::BasicBlock* add_fail{nullptr};
  if (need_overflow_check) {
    cgen_state_->needs_error_check_ = true;
    add_ok = llvm::BasicBlock::Create(
        cgen_state_->context_, "add_ok", cgen_state_->current_func_);
    if (!null_check_suffix.empty()) {
      codegenSkipOverflowCheckForNull(lhs_lv, rhs_lv, add_ok, ti);
    }
    add_fail = llvm::BasicBlock::Create(
        cgen_state_->context_, "add_fail", cgen_state_->current_func_);
    llvm::Value* detected{nullptr};
    auto const_zero = llvm::ConstantInt::get(lhs_lv->getType(), 0, true);
    auto overflow = cgen_state_->ir_builder_.CreateAnd(
        cgen_state_->ir_builder_.CreateICmpSGT(lhs_lv, const_zero),
        cgen_state_->ir_builder_.CreateICmpSGT(
            rhs_lv, cgen_state_->ir_builder_.CreateSub(chosen_max, lhs_lv)));
    auto underflow = cgen_state_->ir_builder_.CreateAnd(
        cgen_state_->ir_builder_.CreateICmpSLT(lhs_lv, const_zero),
        cgen_state_->ir_builder_.CreateICmpSLT(
            rhs_lv, cgen_state_->ir_builder_.CreateSub(chosen_min, lhs_lv)));
    detected = cgen_state_->ir_builder_.CreateOr(overflow, underflow);
    cgen_state_->ir_builder_.CreateCondBr(detected, add_fail, add_ok);
    cgen_state_->ir_builder_.SetInsertPoint(add_ok);
  }
  auto ret = null_check_suffix.empty()
                 ? cgen_state_->ir_builder_.CreateAdd(lhs_lv, rhs_lv)
                 : cgen_state_->emitCall(
                       "add_" + null_typename + null_check_suffix,
                       {lhs_lv, rhs_lv, cgen_state_->llInt(inline_int_null_val(ti))});
  if (need_overflow_check) {
    cgen_state_->ir_builder_.SetInsertPoint(add_fail);
    cgen_state_->ir_builder_.CreateRet(
        cgen_state_->llInt(Executor::ERR_OVERFLOW_OR_UNDERFLOW));
    cgen_state_->ir_builder_.SetInsertPoint(add_ok);
  }
  return ret;
}

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llvm::Value * CodeGenerator::codegenArith ( const Analyzer::BinOper *  bin_oper, const CompilationOptions &  co  )

private

Definition at line 36 of file ArithmeticIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegen(), codegenCastBetweenIntTypes(), codegenDeciDiv(), codegenFpArith(), codegenIntArith(), Analyzer::BinOper::get_left_operand(), Analyzer::BinOper::get_optype(), Analyzer::BinOper::get_right_operand(), Analyzer::Expr::get_type_info(), IS_ARITHMETIC, and kDIVIDE.

Referenced by codegen().

                                                                       {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto optype = bin_oper->get_optype();
  CHECK(IS_ARITHMETIC(optype));
  const auto lhs = bin_oper->get_left_operand();
  const auto rhs = bin_oper->get_right_operand();
  const auto& lhs_type = lhs->get_type_info();
  const auto& rhs_type = rhs->get_type_info();

  if (lhs_type.is_decimal() && rhs_type.is_decimal() && optype == kDIVIDE) {
    const auto ret = codegenDeciDiv(bin_oper, co);
    if (ret) {
      return ret;
    }
  }

  auto lhs_lv = codegen(lhs, true, co).front();
  auto rhs_lv = codegen(rhs, true, co).front();
  // Handle operations when a time interval operand is involved, an operation
  // between an integer and a time interval isn't normalized by the analyzer.
  if (lhs_type.is_timeinterval()) {
    rhs_lv = codegenCastBetweenIntTypes(rhs_lv, rhs_type, lhs_type);
  } else if (rhs_type.is_timeinterval()) {
    lhs_lv = codegenCastBetweenIntTypes(lhs_lv, lhs_type, rhs_type);
  } else {
    CHECK_EQ(lhs_type.get_type(), rhs_type.get_type());
  }
  if (lhs_type.is_integer() || lhs_type.is_decimal() || lhs_type.is_timeinterval()) {
    return codegenIntArith(bin_oper, lhs_lv, rhs_lv, co);
  }
  if (lhs_type.is_fp()) {
    return codegenFpArith(bin_oper, lhs_lv, rhs_lv);
  }
  CHECK(false);
  return nullptr;
}

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llvm::Value * CodeGenerator::codegenArrayAt ( const Analyzer::BinOper *  array_at, const CompilationOptions &  co  )

private

Definition at line 26 of file ArrayIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, codegen(), CgenState::context_, CgenState::emitExternalCall(), get_int_type(), Analyzer::BinOper::get_left_operand(), Analyzer::BinOper::get_right_operand(), Analyzer::Expr::get_type_info(), CgenState::inlineFpNull(), CgenState::inlineIntNull(), CgenState::ir_builder_, kDOUBLE, posArg(), and to_string().

Referenced by codegen().

                                                                         {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto arr_expr = array_at->get_left_operand();
  const auto idx_expr = array_at->get_right_operand();
  const auto& idx_ti = idx_expr->get_type_info();
  CHECK(idx_ti.is_integer());
  auto idx_lvs = codegen(idx_expr, true, co);
  CHECK_EQ(size_t(1), idx_lvs.size());
  auto idx_lv = idx_lvs.front();
  if (idx_ti.get_logical_size() < 8) {
    idx_lv = cgen_state_->ir_builder_.CreateCast(llvm::Instruction::CastOps::SExt,
                                                 idx_lv,
                                                 get_int_type(64, cgen_state_->context_));
  }
  const auto& array_ti = arr_expr->get_type_info();
  CHECK(array_ti.is_array());
  const auto& elem_ti = array_ti.get_elem_type();
  const std::string array_at_fname{
      elem_ti.is_fp()
          ? "array_at_" + std::string(elem_ti.get_type() == kDOUBLE ? "double_checked"
                                                                    : "float_checked")
          : "array_at_int" + std::to_string(elem_ti.get_logical_size() * 8) +
                "_t_checked"};
  const auto ret_ty =
      elem_ti.is_fp()
          ? (elem_ti.get_type() == kDOUBLE
                 ? llvm::Type::getDoubleTy(cgen_state_->context_)
                 : llvm::Type::getFloatTy(cgen_state_->context_))
          : get_int_type(elem_ti.get_logical_size() * 8, cgen_state_->context_);
  const auto arr_lvs = codegen(arr_expr, true, co);
  CHECK_EQ(size_t(1), arr_lvs.size());
  return cgen_state_->emitExternalCall(
      array_at_fname,
      ret_ty,
      {arr_lvs.front(),
       posArg(arr_expr),
       idx_lv,
       elem_ti.is_fp() ? static_cast<llvm::Value*>(cgen_state_->inlineFpNull(elem_ti))
                       : static_cast<llvm::Value*>(cgen_state_->inlineIntNull(elem_ti))});
}

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std::pair< llvm::Value *, llvm::Value * > CodeGenerator::codegenArrayBuff ( llvm::Value *  chunk, llvm::Value *  row_pos, SQLTypes  array_type, bool  cast_and_extend  )

private

Definition at line 670 of file ExtensionsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CgenState::context_, CgenState::emitExternalCall(), SQLTypeInfo::get_elem_type(), kARRAY, and kENCODING_NONE.

Referenced by codegenFunctionOperCastArgs().

                          {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto elem_ti =
      SQLTypeInfo(
          SQLTypes::kARRAY, 0, 0, false, EncodingType::kENCODING_NONE, 0, array_type)
          .get_elem_type();

  auto buff = cgen_state_->emitExternalCall(
      "array_buff", llvm::Type::getInt32PtrTy(cgen_state_->context_), {chunk, row_pos});

  auto len = cgen_state_->emitExternalCall(
      "array_size",
      get_int_type(32, cgen_state_->context_),
      {chunk, row_pos, cgen_state_->llInt(log2_bytes(elem_ti.get_logical_size()))});

  if (cast_and_extend) {
    buff = castArrayPointer(buff, elem_ti);
    len =
        cgen_state_->ir_builder_.CreateZExt(len, get_int_type(64, cgen_state_->context_));
  }

  return std::make_pair(buff, len);
}

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std::vector< llvm::Value * > CodeGenerator::codegenArrayExpr ( const Analyzer::ArrayExpr *  array_expr, const CompilationOptions &  co  )

private

Definition at line 91 of file ArrayIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, codegen(), CgenState::context_, CompilationOptions::device_type, CgenState::emitExternalCall(), executor(), get_int_array_type(), get_int_type(), Analyzer::Expr::get_type_info(), Analyzer::ArrayExpr::getElement(), Analyzer::ArrayExpr::getElementCount(), GPU, CgenState::ir_builder_, Analyzer::ArrayExpr::isLocalAlloc(), Analyzer::ArrayExpr::isNull(), kENCODING_GEOINT, CgenState::llFp(), and CgenState::llInt().

Referenced by codegen().

                                  {
  AUTOMATIC_IR_METADATA(cgen_state_);
  using ValueVector = std::vector<llvm::Value*>;
  ValueVector argument_list;
  auto& ir_builder(cgen_state_->ir_builder_);

  const auto& return_type = array_expr->get_type_info();
  auto coord_compression = (return_type.get_compression() == kENCODING_GEOINT);
  if (coord_compression) {
    CHECK(array_expr->isLocalAlloc() && array_expr->getElementCount() == 2);
  }
  for (size_t i = 0; i < array_expr->getElementCount(); i++) {
    const auto arg = array_expr->getElement(i);
    const auto arg_lvs = codegen(arg, true, co);
    if (arg_lvs.size() == 1) {
      if (coord_compression) {
        // Compress double coords on the fly
        auto mult = cgen_state_->llFp(2147483647.0 / (i == 0 ? 180.0 : 90.0));
        auto c = ir_builder.CreateCast(llvm::Instruction::CastOps::FPToSI,
                                       ir_builder.CreateFMul(arg_lvs.front(), mult),
                                       get_int_type(32, cgen_state_->context_));
        argument_list.push_back(c);
      } else {
        argument_list.push_back(arg_lvs.front());
      }
    } else {
      throw std::runtime_error(
          "Unexpected argument count during array[] code generation.");
    }
  }

  auto array_element_size_bytes =
      return_type.get_elem_type().get_array_context_logical_size();
  auto* array_index_type =
      get_int_type(array_element_size_bytes * 8, cgen_state_->context_);
  auto* array_type = get_int_array_type(
      array_element_size_bytes * 8, array_expr->getElementCount(), cgen_state_->context_);

  if (array_expr->isNull()) {
    return {llvm::ConstantPointerNull::get(
                llvm::PointerType::get(get_int_type(64, cgen_state_->context_), 0)),
            cgen_state_->llInt(0)};
  }

  if (0 == array_expr->getElementCount()) {
    llvm::Constant* dead_const = cgen_state_->llInt(0xdead);
    llvm::Value* dead_pointer = llvm::ConstantExpr::getIntToPtr(
        dead_const, llvm::PointerType::get(get_int_type(64, cgen_state_->context_), 0));
    return {dead_pointer, cgen_state_->llInt(0)};
  }

  llvm::Value* allocated_target_buffer;
  if (array_expr->isLocalAlloc()) {
    allocated_target_buffer = ir_builder.CreateAlloca(array_type);
  } else {
    if (co.device_type == ExecutorDeviceType::GPU) {
      throw QueryMustRunOnCpu();
    }

    allocated_target_buffer =
        cgen_state_->emitExternalCall("allocate_varlen_buffer",
                                      llvm::Type::getInt8PtrTy(cgen_state_->context_),
                                      {cgen_state_->llInt(array_expr->getElementCount()),
                                       cgen_state_->llInt(array_element_size_bytes)});
    cgen_state_->emitExternalCall(
        "register_buffer_with_executor_rsm",
        llvm::Type::getVoidTy(cgen_state_->context_),
        {cgen_state_->llInt(reinterpret_cast<int64_t>(executor())),
         allocated_target_buffer});
  }
  llvm::Value* casted_allocated_target_buffer =
      ir_builder.CreatePointerCast(allocated_target_buffer, array_type->getPointerTo());

  for (size_t i = 0; i < array_expr->getElementCount(); i++) {
    auto* element = argument_list[i];
    auto* element_ptr = ir_builder.CreateGEP(
        array_type,
        casted_allocated_target_buffer,
        std::vector<llvm::Value*>{cgen_state_->llInt(0), cgen_state_->llInt(i)});

    const auto& elem_ti = return_type.get_elem_type();
    if (elem_ti.is_boolean()) {
      const auto byte_casted_bit =
          ir_builder.CreateIntCast(element, array_index_type, true);
      ir_builder.CreateStore(byte_casted_bit, element_ptr);
    } else if (elem_ti.is_fp()) {
      switch (elem_ti.get_size()) {
        case sizeof(double): {
          const auto double_element_ptr = ir_builder.CreatePointerCast(
              element_ptr, llvm::Type::getDoublePtrTy(cgen_state_->context_));
          ir_builder.CreateStore(element, double_element_ptr);
          break;
        }
        case sizeof(float): {
          const auto float_element_ptr = ir_builder.CreatePointerCast(
              element_ptr, llvm::Type::getFloatPtrTy(cgen_state_->context_));
          ir_builder.CreateStore(element, float_element_ptr);
          break;
        }
        default:
          UNREACHABLE();
      }
    } else if (elem_ti.is_integer() || elem_ti.is_decimal() || elem_ti.is_date() ||
               elem_ti.is_timestamp() || elem_ti.is_time() || elem_ti.is_timeinterval() ||
               elem_ti.is_dict_encoded_string()) {
      // TODO(adb): this validation and handling should be done elsewhere
      const auto sign_extended_element = ir_builder.CreateSExt(element, array_index_type);
      ir_builder.CreateStore(sign_extended_element, element_ptr);
    } else {
      throw std::runtime_error("Unsupported type used in ARRAY construction.");
    }
  }

  return {ir_builder.CreateGEP(
              array_type, casted_allocated_target_buffer, cgen_state_->llInt(0)),
          cgen_state_->llInt(array_expr->getElementCount())};
}

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llvm::Value * CodeGenerator::codegenBinOpWithOverflowForCPU ( const Analyzer::BinOper *  bin_oper, llvm::Value *  lhs_lv, llvm::Value *  rhs_lv, const std::string &  null_check_suffix, const SQLTypeInfo &  ti  )

private

Definition at line 726 of file ArithmeticIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, codegenSkipOverflowCheckForNull(), CgenState::context_, CgenState::current_func_, Executor::ERR_OVERFLOW_OR_UNDERFLOW, getArithWithOverflowIntrinsic(), inline_int_null_val(), CgenState::ir_builder_, CgenState::llInt(), and CgenState::needs_error_check_.

Referenced by codegenAdd(), codegenMul(), and codegenSub().

                           {
  AUTOMATIC_IR_METADATA(cgen_state_);
  cgen_state_->needs_error_check_ = true;

  llvm::BasicBlock* check_ok = llvm::BasicBlock::Create(
      cgen_state_->context_, "ovf_ok", cgen_state_->current_func_);
  llvm::BasicBlock* check_fail = llvm::BasicBlock::Create(
      cgen_state_->context_, "ovf_detected", cgen_state_->current_func_);
  llvm::BasicBlock* null_check{nullptr};

  if (!null_check_suffix.empty()) {
    null_check = cgen_state_->ir_builder_.GetInsertBlock();
    codegenSkipOverflowCheckForNull(lhs_lv, rhs_lv, check_ok, ti);
  }

  // Compute result and overflow flag
  auto func = getArithWithOverflowIntrinsic(bin_oper, lhs_lv->getType());
  auto ret_and_overflow = cgen_state_->ir_builder_.CreateCall(
      func, std::vector<llvm::Value*>{lhs_lv, rhs_lv});
  auto ret = cgen_state_->ir_builder_.CreateExtractValue(ret_and_overflow,
                                                         std::vector<unsigned>{0});
  auto overflow = cgen_state_->ir_builder_.CreateExtractValue(ret_and_overflow,
                                                              std::vector<unsigned>{1});
  auto val_bb = cgen_state_->ir_builder_.GetInsertBlock();

  // Return error on overflow
  cgen_state_->ir_builder_.CreateCondBr(overflow, check_fail, check_ok);
  cgen_state_->ir_builder_.SetInsertPoint(check_fail);
  cgen_state_->ir_builder_.CreateRet(
      cgen_state_->llInt(Executor::ERR_OVERFLOW_OR_UNDERFLOW));

  cgen_state_->ir_builder_.SetInsertPoint(check_ok);

  // In case of null check we have to use NULL result on check fail
  if (null_check) {
    auto phi = cgen_state_->ir_builder_.CreatePHI(ret->getType(), 2);
    phi->addIncoming(llvm::ConstantInt::get(ret->getType(), inline_int_null_val(ti)),
                     null_check);
    phi->addIncoming(ret, val_bb);
    ret = phi;
  }

  return ret;
}

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void CodeGenerator::codegenBufferArgs ( const std::string &  udf_func_name, size_t  param_num, llvm::Value *  buffer_buf, llvm::Value *  buffer_size, llvm::Value *  buffer_is_null, std::vector< llvm::Value * > &  output_args  )

private

Definition at line 698 of file ExtensionsIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CgenState::context_, anonymous_namespace{ExtensionsIR.cpp}::get_buffer_struct_type(), and CgenState::ir_builder_.

Referenced by codegenFunctionOperCastArgs().

                                                                          {
  AUTOMATIC_IR_METADATA(cgen_state_);
  CHECK(buffer_buf);
  CHECK(buffer_size);

  auto buffer_abstraction = get_buffer_struct_type(
      cgen_state_, ext_func_name, param_num, buffer_buf->getType());
  auto alloc_mem = cgen_state_->ir_builder_.CreateAlloca(buffer_abstraction);

  auto buffer_buf_ptr =
      cgen_state_->ir_builder_.CreateStructGEP(buffer_abstraction, alloc_mem, 0);
  cgen_state_->ir_builder_.CreateStore(buffer_buf, buffer_buf_ptr);

  auto buffer_size_ptr =
      cgen_state_->ir_builder_.CreateStructGEP(buffer_abstraction, alloc_mem, 1);
  cgen_state_->ir_builder_.CreateStore(buffer_size, buffer_size_ptr);

  auto bool_extended_type = llvm::Type::getInt8Ty(cgen_state_->context_);
  auto buffer_null_extended =
      cgen_state_->ir_builder_.CreateZExt(buffer_null, bool_extended_type);
  auto buffer_is_null_ptr =
      cgen_state_->ir_builder_.CreateStructGEP(buffer_abstraction, alloc_mem, 2);
  cgen_state_->ir_builder_.CreateStore(buffer_null_extended, buffer_is_null_ptr);
  output_args.push_back(alloc_mem);
}

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llvm::Value * CodeGenerator::codegenCase ( const Analyzer::CaseExpr *  case_expr, llvm::Type *  case_llvm_type, const bool  is_real_str, const CompilationOptions &  co  )

private

Definition at line 57 of file CaseIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK_EQ, codegen(), CgenState::context_, CgenState::current_func_, CgenState::emitCall(), Analyzer::CaseExpr::get_expr_pair_list(), CgenState::ir_builder_, and toBool().

Referenced by codegen().

                                                                      {
  AUTOMATIC_IR_METADATA(cgen_state_);
  // Here the linear control flow will diverge and expressions cached during the
  // code branch code generation (currently just column decoding) are not going
  // to be available once we're done generating the case. Take a snapshot of
  // the cache with FetchCacheAnchor and restore it once we're done with CASE.
  Executor::FetchCacheAnchor anchor(cgen_state_);
  const auto& expr_pair_list = case_expr->get_expr_pair_list();
  std::vector<llvm::Value*> then_lvs;
  std::vector<llvm::BasicBlock*> then_bbs;
  const auto end_bb = llvm::BasicBlock::Create(
      cgen_state_->context_, "end_case", cgen_state_->current_func_);
  for (const auto& expr_pair : expr_pair_list) {
    Executor::FetchCacheAnchor branch_anchor(cgen_state_);
    const auto when_lv = toBool(codegen(expr_pair.first.get(), true, co).front());
    const auto cmp_bb = cgen_state_->ir_builder_.GetInsertBlock();
    const auto then_bb = llvm::BasicBlock::Create(cgen_state_->context_,
                                                  "then_case",
                                                  cgen_state_->current_func_,
                                                  /*insert_before=*/end_bb);
    cgen_state_->ir_builder_.SetInsertPoint(then_bb);
    auto then_bb_lvs = codegen(expr_pair.second.get(), true, co);
    if (is_real_str) {
      if (then_bb_lvs.size() == 3) {
        then_lvs.push_back(
            cgen_state_->emitCall("string_pack", {then_bb_lvs[1], then_bb_lvs[2]}));
      } else {
        then_lvs.push_back(then_bb_lvs.front());
      }
    } else {
      CHECK_EQ(size_t(1), then_bb_lvs.size());
      then_lvs.push_back(then_bb_lvs.front());
    }
    then_bbs.push_back(cgen_state_->ir_builder_.GetInsertBlock());
    cgen_state_->ir_builder_.CreateBr(end_bb);
    const auto when_bb = llvm::BasicBlock::Create(
        cgen_state_->context_, "when_case", cgen_state_->current_func_);
    cgen_state_->ir_builder_.SetInsertPoint(cmp_bb);
    cgen_state_->ir_builder_.CreateCondBr(when_lv, then_bb, when_bb);
    cgen_state_->ir_builder_.SetInsertPoint(when_bb);
  }
  const auto else_expr = case_expr->get_else_expr();
  CHECK(else_expr);
  auto else_lvs = codegen(else_expr, true, co);
  llvm::Value* else_lv{nullptr};
  if (else_lvs.size() == 3) {
    else_lv = cgen_state_->emitCall("string_pack", {else_lvs[1], else_lvs[2]});
  } else {
    else_lv = else_lvs.front();
  }
  CHECK(else_lv);
  auto else_bb = cgen_state_->ir_builder_.GetInsertBlock();
  cgen_state_->ir_builder_.CreateBr(end_bb);
  cgen_state_->ir_builder_.SetInsertPoint(end_bb);
  auto then_phi =
      cgen_state_->ir_builder_.CreatePHI(case_llvm_type, expr_pair_list.size() + 1);
  CHECK_EQ(then_bbs.size(), then_lvs.size());
  for (size_t i = 0; i < then_bbs.size(); ++i) {
    then_phi->addIncoming(then_lvs[i], then_bbs[i]);
  }
  then_phi->addIncoming(else_lv, else_bb);
  return then_phi;
}

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llvm::Value * CodeGenerator::codegenCast ( const Analyzer::UOper *  uoper, const CompilationOptions &  co  )

private

Definition at line 21 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK_EQ, codegen(), CgenState::context_, CgenState::emitCall(), executor_, get_int_type(), Analyzer::UOper::get_operand(), Analyzer::UOper::get_optype(), Analyzer::Expr::get_type_info(), CgenState::ir_builder_, and kCAST.

Referenced by codegen(), codegenCmpDecimalConst(), codegenFunctionOper(), and codegenFunctionOperWithCustomTypeHandling().

                                                                      {
  AUTOMATIC_IR_METADATA(cgen_state_);
  CHECK_EQ(uoper->get_optype(), kCAST);
  const auto& ti = uoper->get_type_info();
  const auto operand = uoper->get_operand();
  const auto operand_as_const = dynamic_cast<const Analyzer::Constant*>(operand);
  // For dictionary encoded constants, the cast holds the dictionary id
  // information as the compression parameter; handle this case separately.
  llvm::Value* operand_lv{nullptr};
  if (operand_as_const) {
    const auto operand_lvs =
        codegen(operand_as_const, ti.get_compression(), ti.getStringDictKey(), co);
    if (operand_lvs.size() == 3) {
      operand_lv = cgen_state_->emitCall("string_pack", {operand_lvs[1], operand_lvs[2]});
    } else {
      operand_lv = operand_lvs.front();
    }
  } else {
    operand_lv = codegen(operand, true, co).front();
  }

  // If the operand is a TextEncodingNone struct ({i8*, i64, i8})
  // unpack it into an int64_t using "string_pack" so that codegenCast
  // can properly cast it to a TextEncodingDict
  if (operand_lv->getType()->isPointerTy() &&
      operand_lv->getType()->getPointerElementType()->isStructTy()) {
    auto _struct = cgen_state_->ir_builder_.CreateLoad(
        operand_lv->getType()->getPointerElementType(), operand_lv);
    auto ptr = cgen_state_->ir_builder_.CreateExtractValue(_struct, {0});
    auto len = cgen_state_->ir_builder_.CreateTrunc(
        cgen_state_->ir_builder_.CreateExtractValue(_struct, {1}),
        get_int_type(32, cgen_state_->context_));
    executor_->cgen_state_->emitExternalCall(
        "register_buffer_with_executor_rsm",
        llvm::Type::getVoidTy(executor_->cgen_state_->context_),
        {executor_->cgen_state_->llInt(reinterpret_cast<int64_t>(executor_)), ptr});
    operand_lv = cgen_state_->emitCall("string_pack", {ptr, len});
  }
  const auto& operand_ti = operand->get_type_info();
  return codegenCast(operand_lv, operand_ti, ti, operand_as_const, co);
}

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llvm::Value * CodeGenerator::codegenCast ( llvm::Value *  operand_lv, const SQLTypeInfo &  operand_ti, const SQLTypeInfo &  ti, const bool  operand_is_const, const CompilationOptions &  co  )

private

Definition at line 73 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, anonymous_namespace{CastIR.cpp}::byte_array_cast(), CgenState::castToTypeIn(), cgen_state_, CHECK, codegenCastBetweenIntTypes(), codegenCastBetweenTimestamps(), codegenCastFromFp(), codegenCastFromString(), codegenCastNonStringToString(), codegenCastTimestampToDate(), codegenCastTimestampToTime(), codegenCastToFp(), CgenState::context_, SQLTypeInfo::get_dimension(), get_int_array_type(), SQLTypeInfo::get_notnull(), SQLTypeInfo::get_size(), SQLTypeInfo::get_type(), CgenState::ir_builder_, SQLTypeInfo::is_boolean(), SQLTypeInfo::is_decimal(), SQLTypeInfo::is_integer(), SQLTypeInfo::is_string(), SQLTypeInfo::is_text_encoding_dict(), SQLTypeInfo::is_time(), SQLTypeInfo::is_timestamp(), kDATE, kTIME, and kTIMESTAMP.

                                                                      {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (byte_array_cast(operand_ti, ti)) {
    auto* byte_array_type = get_int_array_type(8, ti.get_size(), cgen_state_->context_);
    return cgen_state_->ir_builder_.CreatePointerCast(operand_lv,
                                                      byte_array_type->getPointerTo());
  } else if (!operand_ti.is_string() && ti.is_text_encoding_dict()) {
    return codegenCastNonStringToString(operand_lv, operand_ti, ti, operand_is_const, co);
  } else if (operand_ti.is_string()) {
    return codegenCastFromString(operand_lv, operand_ti, ti, operand_is_const, co);
  } else if (operand_lv->getType()->isIntegerTy()) {
    CHECK(operand_ti.is_integer() || operand_ti.is_decimal() || operand_ti.is_time() ||
          operand_ti.is_boolean());

    if (operand_ti.is_boolean()) {
      // cast boolean to int8
      CHECK(operand_lv->getType()->isIntegerTy(1) ||
            operand_lv->getType()->isIntegerTy(8));
      if (operand_lv->getType()->isIntegerTy(1)) {
        operand_lv = cgen_state_->castToTypeIn(operand_lv, 8);
      }
      if (ti.is_boolean()) {
        return operand_lv;
      }
    }
    if (operand_ti.is_integer() && operand_lv->getType()->isIntegerTy(8) &&
        ti.is_boolean()) {
      // cast int8 to boolean
      return codegenCastBetweenIntTypes(operand_lv, operand_ti, ti);
    }
    if (operand_ti.get_type() == kTIMESTAMP && ti.get_type() == kDATE) {
      // Maybe we should instead generate DatetruncExpr directly from RelAlgTranslator
      // for this pattern. However, DatetruncExpr is supposed to return a timestamp,
      // whereas this cast returns a date. The underlying type for both is still the same,
      // but it still doesn't look like a good idea to misuse DatetruncExpr.
      // Date will have default precision of day, but TIMESTAMP dimension would
      // matter but while converting date through seconds
      return codegenCastTimestampToDate(
          operand_lv, operand_ti.get_dimension(), !ti.get_notnull());
    }
    if (operand_ti.get_type() == kTIMESTAMP && ti.get_type() == kTIME) {
      return codegenCastTimestampToTime(
          operand_lv, operand_ti.get_dimension(), !ti.get_notnull());
    }
    if ((operand_ti.get_type() == kTIMESTAMP || operand_ti.get_type() == kDATE) &&
        ti.get_type() == kTIMESTAMP) {
      const auto operand_dimen =
          (operand_ti.is_timestamp()) ? operand_ti.get_dimension() : 0;
      if (operand_dimen != ti.get_dimension()) {
        return codegenCastBetweenTimestamps(
            operand_lv, operand_ti, ti, !ti.get_notnull());
      }
    }
    if (ti.is_integer() || ti.is_decimal() || ti.is_time()) {
      return codegenCastBetweenIntTypes(operand_lv, operand_ti, ti);
    } else {
      return codegenCastToFp(operand_lv, operand_ti, ti);
    }
  } else {
    return codegenCastFromFp(operand_lv, operand_ti, ti);
  }
  CHECK(false);
  return nullptr;
}

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llvm::Value * CodeGenerator::codegenCastBetweenIntTypes	(	llvm::Value *	operand_lv,
		const SQLTypeInfo &	operand_ti,
		const SQLTypeInfo &	ti,
		bool	upscale = true
	)

Definition at line 427 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, codegenCastBetweenIntTypesOverflowChecks(), CgenState::context_, CgenState::emitCall(), exp_to_scale(), get_bit_width(), get_int_type(), SQLTypeInfo::get_logical_size(), SQLTypeInfo::get_notnull(), SQLTypeInfo::get_scale(), inline_int_null_val(), CgenState::inlineIntNull(), CgenState::ir_builder_, SQLTypeInfo::is_decimal(), SQLTypeInfo::is_integer(), kBIGINT, CgenState::llInt(), and numeric_type_name().

Referenced by codegenArith(), codegenCast(), codegenDeciDiv(), codegenWidthBucketExpr(), and Executor::codegenWindowFunctionAggregateCalls().

                                                                     {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (ti.is_decimal() &&
      (!operand_ti.is_decimal() || operand_ti.get_scale() <= ti.get_scale())) {
    if (upscale) {
      if (operand_ti.get_scale() < ti.get_scale()) {  // scale only if needed
        auto scale = exp_to_scale(ti.get_scale() - operand_ti.get_scale());
        const auto scale_lv =
            llvm::ConstantInt::get(get_int_type(64, cgen_state_->context_), scale);
        operand_lv = cgen_state_->ir_builder_.CreateSExt(
            operand_lv, get_int_type(64, cgen_state_->context_));

        codegenCastBetweenIntTypesOverflowChecks(operand_lv, operand_ti, ti, scale);

        if (operand_ti.get_notnull()) {
          operand_lv = cgen_state_->ir_builder_.CreateMul(operand_lv, scale_lv);
        } else {
          operand_lv = cgen_state_->emitCall(
              "scale_decimal_up",
              {operand_lv,
               scale_lv,
               cgen_state_->llInt(inline_int_null_val(operand_ti)),
               cgen_state_->inlineIntNull(SQLTypeInfo(kBIGINT, false))});
        }
      }
    }
  } else if (operand_ti.is_decimal()) {
    // rounded scale down
    auto scale = (int64_t)exp_to_scale(operand_ti.get_scale() - ti.get_scale());
    const auto scale_lv =
        llvm::ConstantInt::get(get_int_type(64, cgen_state_->context_), scale);

    const auto operand_width =
        static_cast<llvm::IntegerType*>(operand_lv->getType())->getBitWidth();

    std::string method_name = "scale_decimal_down_nullable";
    if (operand_ti.get_notnull()) {
      method_name = "scale_decimal_down_not_nullable";
    }

    CHECK(operand_width == 64);
    operand_lv = cgen_state_->emitCall(
        method_name,
        {operand_lv, scale_lv, cgen_state_->llInt(inline_int_null_val(operand_ti))});
  }
  if (ti.is_integer() && operand_ti.is_integer() &&
      operand_ti.get_logical_size() > ti.get_logical_size()) {
    codegenCastBetweenIntTypesOverflowChecks(operand_lv, operand_ti, ti, 1);
  }

  const auto operand_width =
      static_cast<llvm::IntegerType*>(operand_lv->getType())->getBitWidth();
  const auto target_width = get_bit_width(ti);
  if (target_width == operand_width) {
    return operand_lv;
  }
  if (operand_ti.get_notnull()) {
    return cgen_state_->ir_builder_.CreateCast(
        target_width > operand_width ? llvm::Instruction::CastOps::SExt
                                     : llvm::Instruction::CastOps::Trunc,
        operand_lv,
        get_int_type(target_width, cgen_state_->context_));
  }
  return cgen_state_->emitCall("cast_" + numeric_type_name(operand_ti) + "_to_" +
                                   numeric_type_name(ti) + "_nullable",
                               {operand_lv,
                                cgen_state_->inlineIntNull(operand_ti),
                                cgen_state_->inlineIntNull(ti)});
}

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void CodeGenerator::codegenCastBetweenIntTypesOverflowChecks	(	llvm::Value *	operand_lv,
		const SQLTypeInfo &	operand_ti,
		const SQLTypeInfo &	ti,
		const int64_t	scale
	)

Definition at line 500 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CgenState::context_, CgenState::current_func_, CgenState::emitCall(), get_int_type(), SQLTypeInfo::get_logical_size(), SQLTypeInfo::get_notnull(), inline_int_null_val(), CgenState::inlineIntMaxMin(), CgenState::inlineIntNull(), CgenState::ir_builder_, kBOOLEAN, CgenState::llInt(), CgenState::needs_error_check_, numeric_type_name(), toBool(), and type_name().

Referenced by codegenCastBetweenIntTypes(), and codegenCastBetweenTimestamps().

                         {
  AUTOMATIC_IR_METADATA(cgen_state_);
  llvm::Value* chosen_max{nullptr};
  llvm::Value* chosen_min{nullptr};
  std::tie(chosen_max, chosen_min) =
      cgen_state_->inlineIntMaxMin(ti.get_logical_size(), true);

  cgen_state_->needs_error_check_ = true;
  auto cast_ok = llvm::BasicBlock::Create(
      cgen_state_->context_, "cast_ok", cgen_state_->current_func_);
  auto cast_fail = llvm::BasicBlock::Create(
      cgen_state_->context_, "cast_fail", cgen_state_->current_func_);
  auto operand_max = static_cast<llvm::ConstantInt*>(chosen_max)->getSExtValue() / scale;
  auto operand_min = static_cast<llvm::ConstantInt*>(chosen_min)->getSExtValue() / scale;
  const auto ti_llvm_type =
      get_int_type(8 * ti.get_logical_size(), cgen_state_->context_);
  llvm::Value* operand_max_lv = llvm::ConstantInt::get(ti_llvm_type, operand_max);
  llvm::Value* operand_min_lv = llvm::ConstantInt::get(ti_llvm_type, operand_min);
  const bool is_narrowing = operand_ti.get_logical_size() > ti.get_logical_size();
  if (is_narrowing) {
    const auto operand_ti_llvm_type =
        get_int_type(8 * operand_ti.get_logical_size(), cgen_state_->context_);
    operand_max_lv =
        cgen_state_->ir_builder_.CreateSExt(operand_max_lv, operand_ti_llvm_type);
    operand_min_lv =
        cgen_state_->ir_builder_.CreateSExt(operand_min_lv, operand_ti_llvm_type);
  }
  llvm::Value* over{nullptr};
  llvm::Value* under{nullptr};
  if (operand_ti.get_notnull()) {
    over = cgen_state_->ir_builder_.CreateICmpSGT(operand_lv, operand_max_lv);
    under = cgen_state_->ir_builder_.CreateICmpSLE(operand_lv, operand_min_lv);
  } else {
    const auto type_name =
        is_narrowing ? numeric_type_name(operand_ti) : numeric_type_name(ti);
    const auto null_operand_val = cgen_state_->llInt(inline_int_null_val(operand_ti));
    const auto null_bool_val = cgen_state_->inlineIntNull(SQLTypeInfo(kBOOLEAN, false));
    over = toBool(cgen_state_->emitCall(
        "gt_" + type_name + "_nullable_lhs",
        {operand_lv, operand_max_lv, null_operand_val, null_bool_val}));
    under = toBool(cgen_state_->emitCall(
        "le_" + type_name + "_nullable_lhs",
        {operand_lv, operand_min_lv, null_operand_val, null_bool_val}));
  }
  const auto detected = cgen_state_->ir_builder_.CreateOr(over, under, "overflow");
  cgen_state_->ir_builder_.CreateCondBr(detected, cast_fail, cast_ok);

  cgen_state_->ir_builder_.SetInsertPoint(cast_fail);
  cgen_state_->ir_builder_.CreateRet(
      cgen_state_->llInt(Executor::ERR_OVERFLOW_OR_UNDERFLOW));

  cgen_state_->ir_builder_.SetInsertPoint(cast_ok);
}

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llvm::Value * CodeGenerator::codegenCastBetweenTimestamps	(	llvm::Value *	ts_lv,
		const SQLTypeInfo &	operand_dimen,
		const SQLTypeInfo &	target_dimen,
		const bool	nullable
	)

Definition at line 199 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, codegenCastBetweenIntTypesOverflowChecks(), CgenState::emitCall(), SQLTypeInfo::get_dimension(), DateTimeUtils::get_timestamp_precision_scale(), CgenState::inlineIntNull(), CgenState::ir_builder_, and CgenState::llInt().

Referenced by anonymous_namespace{TableFunctionCompilationContext.cpp}::cast_value(), and codegenCast().

                                                                              {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto operand_dimen = operand_ti.get_dimension();
  const auto target_dimen = target_ti.get_dimension();
  if (operand_dimen == target_dimen) {
    return ts_lv;
  }
  CHECK(ts_lv->getType()->isIntegerTy(64));
  const auto scale =
      DateTimeUtils::get_timestamp_precision_scale(abs(operand_dimen - target_dimen));
  if (operand_dimen < target_dimen) {
    codegenCastBetweenIntTypesOverflowChecks(ts_lv, operand_ti, target_ti, scale);
    return nullable
               ? cgen_state_->emitCall("mul_int64_t_nullable_lhs",
                                       {ts_lv,
                                        cgen_state_->llInt(static_cast<int64_t>(scale)),
                                        cgen_state_->inlineIntNull(operand_ti)})
               : cgen_state_->ir_builder_.CreateMul(
                     ts_lv, cgen_state_->llInt(static_cast<int64_t>(scale)));
  }
  return nullable
             ? cgen_state_->emitCall("floor_div_nullable_lhs",
                                     {ts_lv,
                                      cgen_state_->llInt(static_cast<int64_t>(scale)),
                                      cgen_state_->inlineIntNull(operand_ti)})
             : cgen_state_->ir_builder_.CreateSDiv(
                   ts_lv, cgen_state_->llInt(static_cast<int64_t>(scale)));
}

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llvm::Value * CodeGenerator::codegenCastFromFp ( llvm::Value *  operand_lv, const SQLTypeInfo &  operand_ti, const SQLTypeInfo &  ti  )

private

Definition at line 601 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CgenState::context_, CgenState::emitCall(), get_bit_width(), get_int_type(), SQLTypeInfo::get_notnull(), SQLTypeInfo::get_type(), SQLTypeInfo::get_type_name(), CgenState::inlineFpNull(), CgenState::inlineIntNull(), CgenState::ir_builder_, SQLTypeInfo::is_decimal(), SQLTypeInfo::is_fp(), SQLTypeInfo::is_integer(), SQLTypeInfo::is_number(), kDOUBLE, kFLOAT, and numeric_type_name().

Referenced by codegenCast().

                                                                     {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (!operand_ti.is_fp() || !ti.is_number() || ti.is_decimal()) {
    throw std::runtime_error("Cast from " + operand_ti.get_type_name() + " to " +
                             ti.get_type_name() + " not supported");
  }
  if (operand_ti.get_type() == ti.get_type()) {
    // Should not have been called when both dimensions are same.
    return operand_lv;
  }
  CHECK(operand_lv->getType()->isFloatTy() || operand_lv->getType()->isDoubleTy());
  if (operand_ti.get_notnull()) {
    if (ti.get_type() == kDOUBLE) {
      return cgen_state_->ir_builder_.CreateFPExt(
          operand_lv, llvm::Type::getDoubleTy(cgen_state_->context_));
    } else if (ti.get_type() == kFLOAT) {
      return cgen_state_->ir_builder_.CreateFPTrunc(
          operand_lv, llvm::Type::getFloatTy(cgen_state_->context_));
    } else if (ti.is_integer()) {
      // Round by adding/subtracting 0.5 before fptosi.
      auto* fp_type = operand_lv->getType()->isFloatTy()
                          ? llvm::Type::getFloatTy(cgen_state_->context_)
                          : llvm::Type::getDoubleTy(cgen_state_->context_);
      auto* zero = llvm::ConstantFP::get(fp_type, 0.0);
      auto* mhalf = llvm::ConstantFP::get(fp_type, -0.5);
      auto* phalf = llvm::ConstantFP::get(fp_type, 0.5);
      auto* is_negative = cgen_state_->ir_builder_.CreateFCmpOLT(operand_lv, zero);
      auto* offset = cgen_state_->ir_builder_.CreateSelect(is_negative, mhalf, phalf);
      operand_lv = cgen_state_->ir_builder_.CreateFAdd(operand_lv, offset);
      return cgen_state_->ir_builder_.CreateFPToSI(
          operand_lv, get_int_type(get_bit_width(ti), cgen_state_->context_));
    } else {
      CHECK(false);
    }
  } else {
    const auto from_tname = numeric_type_name(operand_ti);
    const auto to_tname = numeric_type_name(ti);
    if (ti.is_fp()) {
      return cgen_state_->emitCall("cast_" + from_tname + "_to_" + to_tname + "_nullable",
                                   {operand_lv,
                                    cgen_state_->inlineFpNull(operand_ti),
                                    cgen_state_->inlineFpNull(ti)});
    } else if (ti.is_integer()) {
      return cgen_state_->emitCall("cast_" + from_tname + "_to_" + to_tname + "_nullable",
                                   {operand_lv,
                                    cgen_state_->inlineFpNull(operand_ti),
                                    cgen_state_->inlineIntNull(ti)});
    } else {
      CHECK(false);
    }
  }
  CHECK(false);
  return nullptr;
}

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llvm::Value * CodeGenerator::codegenCastFromString ( llvm::Value *  operand_lv, const SQLTypeInfo &  operand_ti, const SQLTypeInfo &  ti, const bool  operand_is_const, const CompilationOptions &  co  )

private

Definition at line 231 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CHECK_EQ, StringDictionaryTranslationMgr::codegen(), CgenState::context_, CPU, Data_Namespace::CPU_LEVEL, createStringViewStructType(), CompilationOptions::device_type, shared::StringDictKey::dict_id, CgenState::emitExternalCall(), executor(), g_cluster, SQLTypeInfo::get_compression(), get_int_type(), SQLTypeInfo::get_type_name(), SQLTypeInfo::getStringDictKey(), GPU, Data_Namespace::GPU_LEVEL, SQLTypeInfo::is_dict_intersection(), SQLTypeInfo::is_string(), kENCODING_DICT, kENCODING_NONE, dict_ref_t::literalsDictId, CgenState::llInt(), and CgenState::moveStringDictionaryTranslationMgr().

Referenced by codegenCast().

                                                                                {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (!ti.is_string()) {
    throw std::runtime_error("Cast from " + operand_ti.get_type_name() + " to " +
                             ti.get_type_name() + " not supported");
  }
  if (operand_ti.get_compression() == kENCODING_NONE &&
      ti.get_compression() == kENCODING_NONE) {
    return operand_lv;
  }
  if (ti.get_compression() == kENCODING_DICT &&
      operand_ti.get_compression() == kENCODING_DICT) {
    if (ti.getStringDictKey() == operand_ti.getStringDictKey()) {
      return operand_lv;
    }
    if (operand_ti.getStringDictKey().dict_id == DictRef::literalsDictId) {
      // Anything being casted from a literal dictionary is not materialized at this point
      // Should already have been kicked to CPU if it was originally a GPU query

      CHECK(co.device_type == ExecutorDeviceType::CPU);
      const int64_t source_string_proxy_handle =
          reinterpret_cast<int64_t>(executor()->getStringDictionaryProxy(
              operand_ti.getStringDictKey(), executor()->getRowSetMemoryOwner(), true));

      const int64_t dest_string_proxy_handle =
          reinterpret_cast<int64_t>(executor()->getStringDictionaryProxy(
              ti.getStringDictKey(), executor()->getRowSetMemoryOwner(), true));

      auto source_string_proxy_handle_lv = cgen_state_->llInt(source_string_proxy_handle);
      auto dest_string_proxy_handle_lv = cgen_state_->llInt(dest_string_proxy_handle);

      std::vector<llvm::Value*> string_cast_lvs{
          operand_lv, source_string_proxy_handle_lv, dest_string_proxy_handle_lv};
      if (ti.is_dict_intersection()) {
        return cgen_state_->emitExternalCall(
            "intersect_translate_string_id_to_other_dict",
            get_int_type(32, cgen_state_->context_),
            string_cast_lvs);
      } else {
        return cgen_state_->emitExternalCall("union_translate_string_id_to_other_dict",
                                             get_int_type(32, cgen_state_->context_),
                                             string_cast_lvs);
      }
    }

    const std::vector<StringOps_Namespace::StringOpInfo> string_op_infos;
    auto string_dictionary_translation_mgr =
        std::make_unique<StringDictionaryTranslationMgr>(
            operand_ti.getStringDictKey(),
            ti.getStringDictKey(),
            ti.is_dict_intersection(),
            ti,
            string_op_infos,
            co.device_type == ExecutorDeviceType::GPU ? Data_Namespace::GPU_LEVEL
                                                      : Data_Namespace::CPU_LEVEL,
            executor()->deviceCount(co.device_type),
            executor(),
            executor()->getDataMgr(),
            false /* delay_translation */);

    return cgen_state_
        ->moveStringDictionaryTranslationMgr(std::move(string_dictionary_translation_mgr))
        ->codegen(operand_lv, operand_ti, true /* add_nullcheck */, co);
  }
  // dictionary encode non-constant
  if (operand_ti.get_compression() != kENCODING_DICT && !operand_is_const) {
    if (g_cluster) {
      throw std::runtime_error(
          "Cast from none-encoded string to dictionary-encoded not supported for "
          "distributed queries");
    }
    CHECK_EQ(kENCODING_NONE, operand_ti.get_compression());
    CHECK_EQ(kENCODING_DICT, ti.get_compression());
    CHECK(operand_lv->getType()->isStructTy());  // StringView
    if (co.device_type == ExecutorDeviceType::GPU) {
      throw QueryMustRunOnCpu();
    }
    return cgen_state_->emitExternalCall(
        "string_compress",
        get_int_type(32, cgen_state_->context_),
        {operand_lv,
         cgen_state_->llInt(int64_t(executor()->getStringDictionaryProxy(
             ti.getStringDictKey(), executor()->getRowSetMemoryOwner(), true)))});
  }
  CHECK(operand_lv->getType()->isIntegerTy(32));
  if (ti.get_compression() == kENCODING_NONE) {
    if (g_cluster) {
      throw std::runtime_error(
          "Cast from dictionary-encoded string to none-encoded not "
          "currently supported for distributed queries.");
    }
    // Removed watchdog check here in exchange for row cardinality based check in
    // RelAlgExecutor
    CHECK_EQ(kENCODING_DICT, operand_ti.get_compression());
    if (co.device_type == ExecutorDeviceType::GPU) {
      throw QueryMustRunOnCpu();
    }
    const int64_t string_dictionary_ptr =
        operand_ti.getStringDictKey().dict_id == 0
            ? reinterpret_cast<int64_t>(
                  executor()->getRowSetMemoryOwner()->getLiteralStringDictProxy())
            : reinterpret_cast<int64_t>(
                  executor()->getStringDictionaryProxy(operand_ti.getStringDictKey(),
                                                       executor()->getRowSetMemoryOwner(),
                                                       true));
    return cgen_state_->emitExternalCall(
        "string_decompress",
        createStringViewStructType(),
        {operand_lv, cgen_state_->llInt(string_dictionary_ptr)});
  }
  CHECK(operand_is_const);
  CHECK_EQ(kENCODING_DICT, ti.get_compression());
  return operand_lv;
}

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llvm::Value * CodeGenerator::codegenCastNonStringToString ( llvm::Value *  operand_lv, const SQLTypeInfo &  operand_ti, const SQLTypeInfo &  ti, const bool  operand_is_const, const CompilationOptions &  co  )

private

Definition at line 350 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CgenState::context_, CompilationOptions::device_type, CgenState::emitExternalCall(), executor(), g_cluster, SQLTypeInfo::get_compression(), SQLTypeInfo::get_dimension(), get_int_type(), SQLTypeInfo::get_notnull(), SQLTypeInfo::get_precision(), SQLTypeInfo::get_scale(), SQLTypeInfo::get_type(), SQLTypeInfo::getStringDictKey(), GPU, SQLTypeInfo::is_string(), kBIGINT, kBOOLEAN, kDATE, kDECIMAL, kDOUBLE, kENCODING_NONE, kFLOAT, kINT, kNUMERIC, kSMALLINT, kTIME, kTIMESTAMP, kTINYINT, CgenState::llInt(), to_lower(), and toString().

Referenced by codegenCast().

                                                                                       {
  AUTOMATIC_IR_METADATA(cgen_state_);
  CHECK(!operand_ti.is_string());
  if (ti.get_compression() == kENCODING_NONE) {
    throw std::runtime_error("Cast to none-encoded strings currently unsupported.");
  }
  if (g_cluster) {
    throw std::runtime_error(
        "Cast to dictionary-encoded string type not supported for "
        "distributed queries");
  }
  if (co.device_type == ExecutorDeviceType::GPU) {
    throw QueryMustRunOnCpu();
  }
  std::string fn_call{"convert_to_string_and_encode_"};
  const auto operand_type = operand_ti.get_type();
  std::vector operand_lvs{operand_lv};
  switch (operand_type) {
    case kBOOLEAN:
      fn_call += "bool";
      break;
    case kTINYINT:
    case kSMALLINT:
    case kINT:
    case kBIGINT:
    case kFLOAT:
    case kDOUBLE:
      fn_call += to_lower(toString(operand_type));
      break;
    case kNUMERIC:
    case kDECIMAL:
      fn_call += "decimal";
      operand_lvs.emplace_back(llvm::ConstantInt::get(
          get_int_type(32, cgen_state_->context_), operand_ti.get_precision()));
      operand_lvs.emplace_back(llvm::ConstantInt::get(
          get_int_type(32, cgen_state_->context_), operand_ti.get_scale()));
      break;
    case kTIME:
      fn_call += "time";
      break;
    case kTIMESTAMP:
      fn_call += "timestamp";
      operand_lvs.emplace_back(llvm::ConstantInt::get(
          get_int_type(32, cgen_state_->context_), operand_ti.get_dimension()));
      break;
    case kDATE:
      fn_call += "date";
      break;
    default:
      throw std::runtime_error("Unimplemented type for string cast");
  }
  operand_lvs.emplace_back(
      cgen_state_->llInt(int64_t(executor()->getStringDictionaryProxy(
          ti.getStringDictKey(), executor()->getRowSetMemoryOwner(), true))));

  auto ret = cgen_state_->emitExternalCall(
      fn_call, get_int_type(32, cgen_state_->context_), operand_lvs);

  std::unique_ptr<CodeGenerator::NullCheckCodegen> nullcheck_codegen;
  const bool is_nullable = !operand_ti.get_notnull();
  if (is_nullable) {
    nullcheck_codegen =
        std::make_unique<NullCheckCodegen>(cgen_state_,
                                           executor(),
                                           operand_lvs.front(),
                                           operand_ti,
                                           "cast_non_string_to_string_nullcheck");
    CHECK(nullcheck_codegen);
    ret = nullcheck_codegen->finalize(cgen_state_->inlineNull(ti), ret);
  }
  return ret;
}

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llvm::Value * CodeGenerator::codegenCastTimestampToDate ( llvm::Value *  ts_lv, const int  dimen, const bool  nullable  )

private

Definition at line 162 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CgenState::context_, CgenState::emitExternalCall(), get_int_type(), DateTimeUtils::get_timestamp_precision_scale(), CgenState::inlineIntNull(), kBIGINT, and CgenState::llInt().

Referenced by codegenCast().

                                                                            {
  AUTOMATIC_IR_METADATA(cgen_state_);
  CHECK(ts_lv->getType()->isIntegerTy(64));
  if (dimen > 0) {
    if (nullable) {
      return cgen_state_->emitExternalCall(
          "DateTruncateHighPrecisionToDateNullable",
          get_int_type(64, cgen_state_->context_),
          {{ts_lv,
            cgen_state_->llInt(DateTimeUtils::get_timestamp_precision_scale(dimen)),
            cgen_state_->inlineIntNull(SQLTypeInfo(kBIGINT, false))}});
    }
    return cgen_state_->emitExternalCall(
        "DateTruncateHighPrecisionToDate",
        get_int_type(64, cgen_state_->context_),
        {{ts_lv,
          cgen_state_->llInt(DateTimeUtils::get_timestamp_precision_scale(dimen))}});
  }
  std::unique_ptr<CodeGenerator::NullCheckCodegen> nullcheck_codegen;
  if (nullable) {
    nullcheck_codegen =
        std::make_unique<NullCheckCodegen>(cgen_state_,
                                           executor(),
                                           ts_lv,
                                           SQLTypeInfo(kTIMESTAMP, dimen, 0, !nullable),
                                           "cast_timestamp_nullcheck");
  }
  auto ret = cgen_state_->emitExternalCall(
      "datetrunc_day", get_int_type(64, cgen_state_->context_), {ts_lv});
  if (nullcheck_codegen) {
    ret = nullcheck_codegen->finalize(ll_int(NULL_BIGINT, cgen_state_->context_), ret);
  }
  return ret;
}

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llvm::Value * CodeGenerator::codegenCastTimestampToTime ( llvm::Value *  ts_lv, const int  dimen, const bool  nullable  )

private

Definition at line 142 of file CastIR.cpp.

References cgen_state_, CgenState::context_, CgenState::emitExternalCall(), get_int_type(), DateTimeUtils::get_timestamp_precision_scale(), CgenState::inlineIntNull(), kBIGINT, and CgenState::llInt().

Referenced by codegenCast().

                                                                            {
  std::vector<llvm::Value*> datetrunc_args{ts_lv};
  std::string hptodate_fname;
  if (dimen > 0) {
    hptodate_fname = "ExtractTimeFromHPTimestamp";
    datetrunc_args.push_back(
        cgen_state_->llInt(DateTimeUtils::get_timestamp_precision_scale(dimen)));
  } else {
    hptodate_fname = "ExtractTimeFromLPTimestamp";
  }
  if (nullable) {
    datetrunc_args.push_back(cgen_state_->inlineIntNull(SQLTypeInfo(kBIGINT, false)));
    hptodate_fname += "Nullable";
  }
  return cgen_state_->emitExternalCall(
      hptodate_fname, get_int_type(64, cgen_state_->context_), datetrunc_args);
}

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llvm::Value * CodeGenerator::codegenCastToFp ( llvm::Value *  operand_lv, const SQLTypeInfo &  operand_ti, const SQLTypeInfo &  ti  )

private

Definition at line 558 of file CastIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, CgenState::context_, CgenState::emitCall(), SQLTypeInfo::get_notnull(), SQLTypeInfo::get_scale(), SQLTypeInfo::get_type(), SQLTypeInfo::get_type_name(), CgenState::inlineFpNull(), CgenState::inlineIntNull(), CgenState::ir_builder_, SQLTypeInfo::is_fp(), kFLOAT, numeric_type_name(), and shared::power10inv().

Referenced by codegenCast().

                                                                   {
  AUTOMATIC_IR_METADATA(cgen_state_);
  if (!ti.is_fp()) {
    throw std::runtime_error("Cast from " + operand_ti.get_type_name() + " to " +
                             ti.get_type_name() + " not supported");
  }
  llvm::Value* result_lv;
  if (operand_ti.get_notnull()) {
    auto const fp_type = ti.get_type() == kFLOAT
                             ? llvm::Type::getFloatTy(cgen_state_->context_)
                             : llvm::Type::getDoubleTy(cgen_state_->context_);
    result_lv = cgen_state_->ir_builder_.CreateSIToFP(operand_lv, fp_type);
    if (auto const scale = static_cast<unsigned>(operand_ti.get_scale())) {
      double const multiplier = shared::power10inv(scale);
      result_lv = cgen_state_->ir_builder_.CreateFMul(
          result_lv, llvm::ConstantFP::get(result_lv->getType(), multiplier));
    }
  } else {
    if (auto const scale = static_cast<unsigned>(operand_ti.get_scale())) {
      double const multiplier = shared::power10inv(scale);
      auto const fp_type = ti.get_type() == kFLOAT
                               ? llvm::Type::getFloatTy(cgen_state_->context_)
                               : llvm::Type::getDoubleTy(cgen_state_->context_);
      result_lv = cgen_state_->emitCall("cast_" + numeric_type_name(operand_ti) + "_to_" +
                                            numeric_type_name(ti) + "_scaled_nullable",
                                        {operand_lv,
                                         cgen_state_->inlineIntNull(operand_ti),
                                         cgen_state_->inlineFpNull(ti),
                                         llvm::ConstantFP::get(fp_type, multiplier)});
    } else {
      result_lv = cgen_state_->emitCall("cast_" + numeric_type_name(operand_ti) + "_to_" +
                                            numeric_type_name(ti) + "_nullable",
                                        {operand_lv,
                                         cgen_state_->inlineIntNull(operand_ti),
                                         cgen_state_->inlineFpNull(ti)});
    }
  }
  CHECK(result_lv);
  return result_lv;
}

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llvm::Value * CodeGenerator::codegenCmp ( const Analyzer::BinOper *  bin_oper, const CompilationOptions &  co  )

private

Definition at line 230 of file CompareIR.cpp.

References AUTOMATIC_IR_METADATA, cgen_state_, CHECK, anonymous_namespace{CompareIR.cpp}::check_array_comp_cond(), CHECK_EQ, codegen(), codegenCmpDecimalConst(), codegenLogical(), codegenOverlaps(), codegenStrCmp(), Analyzer::BinOper::get_left_operand(), Analyzer::BinOper::get_optype(), Analyzer::BinOper::get_own_left_operand(), Analyzer::BinOper::get_own_right_operand(), Analyzer::BinOper::get_qualifier(), Analyzer::BinOper::get_right_operand(), IS_EQUIVALENCE, is_unnest(), kBW_EQ, kNE, kOVERLAPS, anonymous_namespace{CompareIR.cpp}::lower_bw_eq(), and anonymous_namespace{CompareIR.cpp}::lower_multicol_compare().

Referenced by codegen(), codegenCmpDecimalConst(), and codegenWidthBucketExpr().

                                                                     {
  AUTOMATIC_IR_METADATA(cgen_state_);
  const auto qualifier = bin_oper->get_qualifier();
  const auto lhs = bin_oper->get_left_operand();
  const auto rhs = bin_oper->get_right_operand();
  if (dynamic_cast<const Analyzer::ExpressionTuple*>(lhs)) {
    CHECK(dynamic_cast<const Analyzer::ExpressionTuple*>(rhs));
    const auto lowered = lower_multicol_compare(bin_oper);
    const auto lowered_lvs = codegen(lowered.get(), true, co);
    CHECK_EQ(size_t(1), lowered_lvs.size());
    return lowered_lvs.front();
  }
  const auto optype = bin_oper->get_optype();
  if (optype == kBW_EQ) {
    const auto bw_eq_oper = lower_bw_eq(bin_oper);
    return codegenLogical(bw_eq_oper.get(), co);
  }
  if (optype == kOVERLAPS) {
    return codegenOverlaps(optype,
                           qualifier,
                           bin_oper->get_own_left_operand(),
                           bin_oper->get_own_right_operand(),
                           co);
  }
  if (is_unnest(lhs) || is_unnest(rhs)) {
    throw std::runtime_error("Unnest not supported in comparisons");
  }
  check_array_comp_cond(bin_oper);
  const auto& lhs_ti = lhs->get_type_info();
  const auto& rhs_ti = rhs->get_type_info();

  if (lhs_ti.is_string() && rhs_ti.is_string() &&
      !(IS_EQUIVALENCE(optype) || optype == kNE)) {
    auto cmp_str = codegenStrCmp(optype,
                                 qualifier,
                                 bin_oper->get_own_left_operand(),
                                 bin_oper->get_own_right_operand(),
                                 co);
    if (cmp_str) {
      return cmp_str;
    }
  }

  if (lhs_ti.is_decimal()) {
    auto cmp_decimal_const =
        codegenCmpDecimalConst(optype, qualifier, lhs, lhs_ti, rhs, co);
    if (cmp_decimal_const) {
      return cmp_decimal_const;
    }
  }
  auto lhs_lvs = codegen(lhs, true, co);
  return codegenCmp(optype, qualifier, lhs_lvs, lhs_ti, rhs, co);
}

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llvm::Value * CodeGenerator::codegenCmp ( const SQLOps  optype, const SQLQualifier  qualifier, std::vector< llvm::Value * >  lhs_lvs, const SQLTypeInfo &  lhs_ti, const Analyzer::Expr *  rhs, const CompilationOptions &  co  )

private

Definition at line 454 of file CompareIR.cpp.

References AUTOMATIC_IR_METADATA, CgenState::castToTypeIn(), cgen_state_, CHECK, CHECK_EQ, codegen(), codegenQualifierCmp(), CgenState::context_, CgenState::emitCall(), SQLTypeInfo::get_compression(), get_null_check_suffix(), SQLTypeInfo::get_type(), Analyzer::Expr::get_type_info(), anonymous_namespace{CompareIR.cpp}::icmp_name(), inline_int_null_val(), CgenState::inlineIntNull(), CgenState::ir_builder_, SQLTypeInfo::is_boolean(), IS_COMPARISON, SQLTypeInfo::is_decimal(), SQLTypeInfo::is_geometry(), SQLTypeInfo::is_integer(), SQLTypeInfo::is_string(), SQLTypeInfo::is_time(), SQLTypeInfo::is_timeinterval(), kBOOLEAN, kDOUBLE, kENCODING_NONE, kEQ, kFLOAT, kNE, kONE, kOVERLAPS, CgenState::llFp(), CgenState::llInt(), anonymous_namespace{CompareIR.cpp}::llvm_fcmp_pred(), anonymous_namespace{CompareIR.cpp}::llvm_icmp_pred(), NULL_DOUBLE, NULL_FLOAT, numeric_type_name(), and anonymous_namespace{CompareIR.cpp}::string_cmp_func().

                                                                     {
  AUTOMATIC_IR_METADATA(cgen_state_);
  CHECK(IS_COMPARISON(optype));
  const auto& rhs_ti = rhs->get_type_info();
  if (rhs_ti.is_array()) {
    return codegenQualifierCmp(optype, qualifier, lhs_lvs, rhs, co);
  }
  auto rhs_lvs = codegen(rhs, true, co);
  CHECK_EQ(kONE, qualifier);
  if (optype == kOVERLAPS) {
    CHECK(lhs_ti.is_geometry());
    CHECK(rhs_ti.i