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#include "mkql_element.h"
#include <yql/essentials/minikql/computation/mkql_computation_node_codegen.h> // Y_IGNORE
#include <yql/essentials/minikql/mkql_node_cast.h>
#include <yql/essentials/minikql/mkql_node_builder.h>
namespace NKikimr {
namespace NMiniKQL {
namespace {
template <bool IsOptional>
class TElementsWrapper : public TMutableCodegeneratorNode<TElementsWrapper<IsOptional>> {
typedef TMutableCodegeneratorNode<TElementsWrapper<IsOptional>> TBaseComputation;
public:
TElementsWrapper(TComputationMutables& mutables, IComputationNode* array)
: TBaseComputation(mutables, EValueRepresentation::Embedded), Array(array)
{}
NUdf::TUnboxedValuePod DoCalculate(TComputationContext& compCtx) const {
const auto& array = Array->GetValue(compCtx);
if constexpr (IsOptional) {
return array ? NUdf::TUnboxedValuePod(reinterpret_cast<ui64>(array.GetElements())) : NUdf::TUnboxedValuePod();
} else {
return NUdf::TUnboxedValuePod(reinterpret_cast<ui64>(array.GetElements()));
}
}
#ifndef MKQL_DISABLE_CODEGEN
Value* DoGenerateGetValue(const TCodegenContext& ctx, BasicBlock*& block) const {
auto& context = ctx.Codegen.GetContext();
const auto array = GetNodeValue(Array, ctx, block);
const auto elementsType = PointerType::getUnqual(array->getType());
if constexpr (IsOptional) {
const auto good = BasicBlock::Create(context, "good", ctx.Func);
const auto done = BasicBlock::Create(context, "done", ctx.Func);
const auto result = PHINode::Create(array->getType(), 2U, "result", done);
result->addIncoming(ConstantInt::get(array->getType(), 0ULL), block);
BranchInst::Create(done, good, IsEmpty(array, block), block);
block = good;
const auto elements = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElements>(elementsType, array, ctx.Codegen, block);
const auto cast = CastInst::Create(Instruction::PtrToInt, elements, Type::getInt64Ty(context), "cast", block);
const auto wide = SetterFor<ui64>(cast, context, block);
result->addIncoming(wide, block);
BranchInst::Create(done, block);
block = done;
return result;
} else {
const auto elements = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElements>(elementsType, array, ctx.Codegen, block);
const auto cast = CastInst::Create(Instruction::PtrToInt, elements, Type::getInt64Ty(context), "cast", block);
return SetterFor<ui64>(cast, context, block);
}
}
#endif
private:
void RegisterDependencies() const final {
this->DependsOn(Array);
}
IComputationNode* const Array;
};
template <bool IsOptional>
class TElementWrapper : public TMutableCodegeneratorPtrNode<TElementWrapper<IsOptional>> {
typedef TMutableCodegeneratorPtrNode<TElementWrapper<IsOptional>> TBaseComputation;
public:
TElementWrapper(TComputationMutables& mutables, EValueRepresentation kind, IComputationNode* cache, IComputationNode* array, ui32 index)
: TBaseComputation(mutables, kind), Cache(cache), Array(array), Index(index)
{}
NUdf::TUnboxedValue DoCalculate(TComputationContext& ctx) const {
if (Cache->GetDependencesCount() > 1U) {
const auto cache = Cache->GetValue(ctx);
if (IsOptional && !cache) {
return NUdf::TUnboxedValue();
}
if (const auto elements = cache.Get<ui64>()) {
return reinterpret_cast<const NUdf::TUnboxedValuePod*>(elements)[Index];
}
}
const auto& array = Array->GetValue(ctx);
if constexpr (IsOptional) {
return array ? array.GetElement(Index) : NUdf::TUnboxedValue();
} else {
return array.GetElement(Index);
}
}
#ifndef MKQL_DISABLE_CODEGEN
void DoGenerateGetElement(const TCodegenContext& ctx, Value* pointer, BasicBlock*& block) const {
auto& context = ctx.Codegen.GetContext();
const auto array = GetNodeValue(Array, ctx, block);
const auto index = ConstantInt::get(Type::getInt32Ty(context), Index);
if constexpr (IsOptional) {
const auto good = BasicBlock::Create(context, "good", ctx.Func);
const auto zero = BasicBlock::Create(context, "zero", ctx.Func);
const auto exit = BasicBlock::Create(context, "exit", ctx.Func);
BranchInst::Create(zero, good, IsEmpty(array, block), block);
block = zero;
new StoreInst(ConstantInt::get(array->getType(), 0ULL), pointer, block);
BranchInst::Create(exit, block);
block = good;
CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElement>(pointer, array, ctx.Codegen, block, index);
if (Array->IsTemporaryValue())
CleanupBoxed(array, ctx, block);
BranchInst::Create(exit, block);
block = exit;
} else {
CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElement>(pointer, array, ctx.Codegen, block, index);
if (Array->IsTemporaryValue())
CleanupBoxed(array, ctx, block);
}
}
void DoGenerateGetValue(const TCodegenContext& ctx, Value* pointer, BasicBlock*& block) const {
if (Cache->GetDependencesCount() <= 1U) {
return DoGenerateGetElement(ctx, pointer, block);
}
auto& context = ctx.Codegen.GetContext();
const auto cache = GetNodeValue(Cache, ctx, block);
const auto fast = BasicBlock::Create(context, "fast", ctx.Func);
const auto slow = BasicBlock::Create(context, "slow", ctx.Func);
const auto done = BasicBlock::Create(context, "done", ctx.Func);
if constexpr (IsOptional) {
const auto zero = ConstantInt::get(cache->getType(), 0ULL);
const auto check = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_EQ, cache, zero, "check", block);
const auto good = BasicBlock::Create(context, "good", ctx.Func);
const auto none = BasicBlock::Create(context, "none", ctx.Func);
BranchInst::Create(none, good, check, block);
block = none;
new StoreInst(zero, pointer, block);
BranchInst::Create(done, block);
block = good;
}
const auto trunc = CastInst::Create(Instruction::Trunc, cache, Type::getInt64Ty(context), "trunc", block);
const auto type = PointerType::getUnqual(cache->getType());
const auto elements = CastInst::Create(Instruction::IntToPtr, trunc, type, "elements", block);
const auto fill = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_NE, elements, ConstantPointerNull::get(type), "fill", block);
BranchInst::Create(fast, slow, fill, block);
block = fast;
const auto index = ConstantInt::get(Type::getInt32Ty(context), this->Index);
const auto ptr = GetElementPtrInst::CreateInBounds(cache->getType(), elements, {index}, "ptr", block);
const auto item = new LoadInst(cache->getType(), ptr, "item", block);
ValueAddRef(this->GetRepresentation(), item, ctx, block);
new StoreInst(item, pointer, block);
BranchInst::Create(done, block);
block = slow;
DoGenerateGetElement(ctx, pointer, block);
BranchInst::Create(done, block);
block = done;
}
#endif
private:
void RegisterDependencies() const final {
this->DependsOn(Array);
this->DependsOn(Cache);
}
IComputationNode *const Cache;
IComputationNode *const Array;
const ui32 Index;
};
IComputationNode* WrapElements(IComputationNode* array, const TComputationNodeFactoryContext& ctx, bool isOptional) {
if (isOptional) {
return new TElementsWrapper<true>(ctx.Mutables, array);
} else {
return new TElementsWrapper<false>(ctx.Mutables, array);
}
}
}
IComputationNode* WrapNth(TCallable& callable, const TComputationNodeFactoryContext& ctx) {
MKQL_ENSURE(callable.GetInputsCount() == 2U, "Expected two args.");
const auto input = callable.GetInput(0U);
bool isOptional;
const auto tupleType = AS_TYPE(TTupleType, UnpackOptional(input.GetStaticType(), isOptional));
const auto indexData = AS_VALUE(TDataLiteral, callable.GetInput(1U));
const auto index = indexData->AsValue().Get<ui32>();
MKQL_ENSURE(index < tupleType->GetElementsCount(), "Bad tuple index");
const auto tuple = LocateNode(ctx.NodeLocator, callable, 0);
const auto ins = ctx.ElementsCache.emplace(tuple, nullptr);
if (ins.second) {
ctx.NodePushBack(ins.first->second = WrapElements(tuple, ctx, isOptional));
}
if (isOptional) {
return new TElementWrapper<true>(ctx.Mutables, GetValueRepresentation(tupleType->GetElementType(index)), ins.first->second, tuple, index);
} else {
return new TElementWrapper<false>(ctx.Mutables, GetValueRepresentation(tupleType->GetElementType(index)), ins.first->second, tuple, index);
}
}
IComputationNode* WrapMember(TCallable& callable, const TComputationNodeFactoryContext& ctx) {
MKQL_ENSURE(callable.GetInputsCount() == 2U, "Expected two args.");
const auto input = callable.GetInput(0U);
bool isOptional;
const auto structType = AS_TYPE(TStructType, UnpackOptional(input.GetStaticType(), isOptional));
const auto indexData = AS_VALUE(TDataLiteral, callable.GetInput(1U));
const auto index = indexData->AsValue().Get<ui32>();
MKQL_ENSURE(index < structType->GetMembersCount(), "Bad member index");
const auto structObj = LocateNode(ctx.NodeLocator, callable, 0U);
const auto ins = ctx.ElementsCache.emplace(structObj, nullptr);
if (ins.second) {
ctx.NodePushBack(ins.first->second = WrapElements(structObj, ctx, isOptional));
}
if (isOptional) {
return new TElementWrapper<true>(ctx.Mutables, GetValueRepresentation(structType->GetMemberType(index)), ins.first->second, structObj, index);
} else {
return new TElementWrapper<false>(ctx.Mutables, GetValueRepresentation(structType->GetMemberType(index)), ins.first->second, structObj, index);
}
}
}
}
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