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#include "mkql_builtins_decimal.h" // Y_IGNORE
#include "mkql_builtins_compare.h"
#include <cmath>
namespace NKikimr {
namespace NMiniKQL {
namespace {
template <typename T, std::enable_if_t<std::is_integral<T>::value>* = nullptr>
inline T Min(T l, T r) {
return std::min(l, r);
}
template <typename T, std::enable_if_t<std::is_floating_point<T>::value>* = nullptr>
inline T Min(T l, T r) {
return std::fmin(l, r);
}
template<typename TLeft, typename TRight, typename TOutput>
struct TMin : public TSimpleArithmeticBinary<TLeft, TRight, TOutput, TMin<TLeft, TRight, TOutput>> {
static TOutput Do(TLeft left, TRight right)
{
return Min<TOutput>(left, right);
}
#ifndef MKQL_DISABLE_CODEGEN
static Value* Gen(Value* left, Value* right, const TCodegenContext& ctx, BasicBlock*& block)
{
if constexpr (std::is_floating_point<TOutput>()) {
auto& context = ctx.Codegen.GetContext();
auto& module = ctx.Codegen.GetModule();
const auto fnType = FunctionType::get(GetTypeFor<TOutput>(context), {left->getType(), right->getType()}, false);
const auto& name = GetFuncNameForType<TOutput>("llvm.minnum");
const auto func = module.getOrInsertFunction(name, fnType).getCallee();
const auto res = CallInst::Create(fnType, func, {left, right}, "minnum", block);
return res;
} else {
const auto check = CmpInst::Create(Instruction::ICmp, std::is_signed<TOutput>() ? ICmpInst::ICMP_SGT : ICmpInst::ICMP_UGT, left, right, "greater", block);
const auto res = SelectInst::Create(check, right, left, "min", block);
return res;
}
}
#endif
};
template<typename TType>
struct TFloatAggrMin : public TSimpleArithmeticBinary<TType, TType, TType, TFloatAggrMin<TType>> {
static TType Do(TType left, TType right)
{
return left < right || std::isnan(right) ? left : right;
}
#ifndef MKQL_DISABLE_CODEGEN
static Value* Gen(Value* left, Value* right, const TCodegenContext&, BasicBlock*& block)
{
const auto ult = CmpInst::Create(Instruction::FCmp, FCmpInst::FCMP_ULT, left, right, "less", block);
const auto ord = CmpInst::Create(Instruction::FCmp, FCmpInst::FCMP_ORD, ConstantFP::get(left->getType(), 0.0), left, "ordered", block);
const auto both = BinaryOperator::CreateAnd(ult, ord, "and", block);
return SelectInst::Create(both, left, right, "min", block);
}
#endif
};
template<NUdf::EDataSlot Slot>
struct TDecimalMin {
static NUdf::TUnboxedValuePod Execute(const NUdf::TUnboxedValuePod& left, const NUdf::TUnboxedValuePod& right) {
const auto lv = left.GetInt128();
if (!NYql::NDecimal::IsComparable(lv))
return right;
const auto rv = right.GetInt128();
if (!NYql::NDecimal::IsComparable(rv))
return left;
return NUdf::TUnboxedValuePod(lv > rv ? rv : lv);
}
#ifndef MKQL_DISABLE_CODEGEN
static Value* Generate(Value* left, Value* right, const TCodegenContext& ctx, BasicBlock*& block)
{
auto& context = ctx.Codegen.GetContext();
const auto next = BasicBlock::Create(context, "next", ctx.Func);
const auto good = BasicBlock::Create(context, "good", ctx.Func);
const auto done = BasicBlock::Create(context, "done", ctx.Func);
const auto result = PHINode::Create(Type::getInt128Ty(context), 3, "result", done);
const auto l = GetterForInt128(left, block);
const auto lok = NDecimal::GenIsComparable(l, context, block);
result->addIncoming(right, block);
BranchInst::Create(next, done, lok, block);
block = next;
const auto r = GetterForInt128(right, block);
const auto rok = NDecimal::GenIsComparable(r, context, block);
result->addIncoming(left, block);
BranchInst::Create(good, done, rok, block);
block = good;
const auto greater = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_SGT, l, r, "greater", block);
const auto res = SelectInst::Create(greater, right, left, "min", block);
result->addIncoming(res, block);
BranchInst::Create(done, block);
block = done;
return result;
}
#endif
};
template<NUdf::EDataSlot Slot>
struct TDecimalAggrMin {
static NUdf::TUnboxedValuePod Execute(const NUdf::TUnboxedValuePod& left, const NUdf::TUnboxedValuePod& right) {
const auto lv = left.GetInt128();
const auto rv = right.GetInt128();
return lv < rv ? left : right;
}
#ifndef MKQL_DISABLE_CODEGEN
static Value* Generate(Value* left, Value* right, const TCodegenContext&, BasicBlock*& block)
{
const auto l = GetterForInt128(left, block);
const auto r = GetterForInt128(right, block);
const auto less = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_SLT, l, r, "less", block);
return SelectInst::Create(less, left, right, "min", block);
}
#endif
};
template<typename TType>
using TAggrMin = std::conditional_t<std::is_floating_point<TType>::value, TFloatAggrMin<TType>, TMin<TType, TType, TType>>;
template<typename TType>
struct TTzMin : public TSelectArithmeticBinaryCopyTimezone<TType, TTzMin<TType>> {
static bool Do(TType left, TType right)
{
return left <= right;
}
#ifndef MKQL_DISABLE_CODEGEN
static Value* Gen(Value* left, Value* right, const TCodegenContext&, BasicBlock*& block)
{
return CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_ULE, left, right, "less_or_equal", block);
}
#endif
};
template<typename TType>
struct TAggrTzMin : public TSelectArithmeticBinaryWithTimezone<TType, TAggrTzMin<TType>> {
static bool Do(TType left, TType right)
{
return left <= right;
}
static bool DoTz(ui16 left, ui16 right)
{
return left <= right;
}
#ifndef MKQL_DISABLE_CODEGEN
static Value* Gen(Value* left, Value* right, const TCodegenContext&, BasicBlock*& block)
{
return CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_ULE, left, right, "less_value", block);
}
static Value* GenTz(Value* left, Value* right, const TCodegenContext&, BasicBlock*& block)
{
return CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_ULE, left, right, "less_timezone", block);
}
#endif
};
template<NUdf::EDataSlot Slot>
struct TCustomMin {
static NUdf::TUnboxedValuePod Execute(const NUdf::TUnboxedValuePod& left, const NUdf::TUnboxedValuePod& right) {
const bool r = CompareCustoms<Slot>(left, right) > 0;
(r ? left : right).DeleteUnreferenced();
return r ? right : left;
}
#ifndef MKQL_DISABLE_CODEGEN
static Value* Generate(Value* left, Value* right, const TCodegenContext& ctx, BasicBlock*& block)
{
auto& context = ctx.Codegen.GetContext();
const auto res = CallBinaryUnboxedValueFunction(&CompareCustoms<Slot>, Type::getInt32Ty(context), left, right, ctx.Codegen, block);
const auto comp = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_SGT, res, ConstantInt::get(res->getType(), 0), "greater", block);
const auto max = SelectInst::Create(comp, left, right, "max", block);
ValueCleanup(EValueRepresentation::String, max, ctx, block);
const auto min = SelectInst::Create(comp, right, left, "min", block);
return min;
}
#endif
};
}
void RegisterMin(IBuiltinFunctionRegistry& registry) {
RegisterBinaryNumericFunctionOpt<TMin, TBinaryArgsOpt>(registry, "Min");
RegisterBooleanSameTypesFunction<TAggrMin, TBinaryArgsOpt>(registry, "Min");
RegisterDatetimeSameTypesFunction<TAggrMin, TBinaryArgsOpt>(registry, "Min");
RegisterTzDatetimeSameTypesFunction<TTzMin, TBinaryArgsOpt>(registry, "Min");
RegisterCustomSameTypesFunction<NUdf::TDataType<NUdf::TDecimal>, TDecimalMin, TBinaryArgsOpt>(registry, "Min");
RegisterCustomSameTypesFunction<NUdf::TDataType<char*>, TCustomMin, TBinaryArgsOpt>(registry, "Min");
RegisterCustomSameTypesFunction<NUdf::TDataType<NUdf::TUtf8>, TCustomMin, TBinaryArgsOpt>(registry, "Min");
}
void RegisterAggrMin(IBuiltinFunctionRegistry& registry) {
RegisterNumericAggregateFunction<TAggrMin, TBinaryArgsSameOpt>(registry, "AggrMin");
RegisterBooleanAggregateFunction<TAggrMin, TBinaryArgsSameOpt>(registry, "AggrMin");
RegisterDatetimeAggregateFunction<TAggrMin, TBinaryArgsSameOpt>(registry, "AggrMin");
RegisterBigDateAggregateFunction<TAggrMin, TBinaryArgsSameOpt>(registry, "AggrMin");
RegisterTzDatetimeAggregateFunction<TAggrTzMin, TBinaryArgsSameOpt>(registry, "AggrMin");
RegisterCustomAggregateFunction<NUdf::TDataType<NUdf::TDecimal>, TDecimalAggrMin, TBinaryArgsSameOpt>(registry, "AggrMin");
RegisterCustomAggregateFunction<NUdf::TDataType<char*>, TCustomMin, TBinaryArgsSameOpt>(registry, "AggrMin");
RegisterCustomAggregateFunction<NUdf::TDataType<NUdf::TUtf8>, TCustomMin, TBinaryArgsSameOpt>(registry, "AggrMin");
}
} // namespace NMiniKQL
} // namespace NKikimr
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