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#include "mkql_addmember.h"
#include <yql/essentials/minikql/computation/mkql_computation_node_codegen.h> // Y_IGNORE
#include <yql/essentials/minikql/computation/mkql_computation_node_holders.h>
#include <yql/essentials/minikql/computation/mkql_computation_node_holders_codegen.h>
#include <yql/essentials/minikql/mkql_node_cast.h>
namespace NKikimr {
namespace NMiniKQL {
namespace {
class TAddMemberWrapper : public TMutableCodegeneratorFallbackNode<TAddMemberWrapper> {
typedef TMutableCodegeneratorFallbackNode<TAddMemberWrapper> TBaseComputation;
public:
TAddMemberWrapper(TComputationMutables& mutables, IComputationNode* structObj, IComputationNode* member, ui32 index,
std::vector<EValueRepresentation>&& representations)
: TBaseComputation(mutables, EValueRepresentation::Boxed)
, StructObj_(structObj)
, Member_(member)
, Index_(index)
, Representations_(std::move(representations))
, Cache_(mutables)
{}
NUdf::TUnboxedValuePod DoCalculate(TComputationContext& ctx) const {
const auto& baseStruct = StructObj_->GetValue(ctx);
NUdf::TUnboxedValue* itemsPtr = nullptr;
const auto result = Cache_.NewArray(ctx, Representations_.size() + 1U, itemsPtr);
if (const auto ptr = baseStruct.GetElements()) {
for (ui32 i = 0; i < Index_; ++i) {
*itemsPtr++ = ptr[i];
}
*itemsPtr++ = Member_->GetValue(ctx);
for (ui32 i = Index_; i < Representations_.size(); ++i) {
*itemsPtr++ = ptr[i];
}
} else {
for (ui32 i = 0; i < Index_; ++i) {
*itemsPtr++ = baseStruct.GetElement(i);
}
*itemsPtr++ = Member_->GetValue(ctx);
for (ui32 i = Index_; i < Representations_.size(); ++i) {
*itemsPtr++ = baseStruct.GetElement(i);
}
}
return result;
}
#ifndef MKQL_DISABLE_CODEGEN
Value* DoGenerateGetValue(const TCodegenContext& ctx, BasicBlock*& block) const {
if (Representations_.size() > CodegenArraysFallbackLimit)
return TBaseComputation::DoGenerateGetValue(ctx, block);
auto& context = ctx.Codegen.GetContext();
const auto newSize = Representations_.size() + 1U;
const auto valType = Type::getInt128Ty(context);
const auto ptrType = PointerType::getUnqual(valType);
const auto idxType = Type::getInt32Ty(context);
const auto type = ArrayType::get(valType, newSize);
const auto itmsType = PointerType::getUnqual(type);
const auto itms = *Stateless || ctx.AlwaysInline ?
new AllocaInst(itmsType, 0U, "itms", &ctx.Func->getEntryBlock().back()):
new AllocaInst(itmsType, 0U, "itms", block);
const auto result = Cache_.GenNewArray(newSize, itms, ctx, block);
const auto itemsPtr = new LoadInst(itmsType, itms, "items", block);
const auto array = GetNodeValue(StructObj_, ctx, block);
const auto zero = ConstantInt::get(idxType, 0);
const auto itemPtr = GetElementPtrInst::CreateInBounds(type, itemsPtr, {zero, ConstantInt::get(idxType, Index_)}, "item", block);
GetNodeValue(itemPtr, Member_, ctx, block);
const auto elements = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElements>(ptrType, array, ctx.Codegen, block);
const auto null = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_EQ, elements, ConstantPointerNull::get(ptrType), "null", 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);
BranchInst::Create(slow, fast, null, block);
{
block = fast;
for (ui32 i = 0; i < Index_; ++i) {
const auto index = ConstantInt::get(idxType, i);
const auto srcPtr = GetElementPtrInst::CreateInBounds(valType, elements, {index}, "src", block);
const auto dstPtr = GetElementPtrInst::CreateInBounds(type, itemsPtr, {zero, index}, "dst", block);
const auto item = new LoadInst(valType, srcPtr, "item", block);
new StoreInst(item, dstPtr, block);
ValueAddRef(Representations_[i], dstPtr, ctx, block);
}
for (ui32 i = Index_ + 1U; i < newSize; ++i) {
const auto oldIndex = ConstantInt::get(idxType, --i);
const auto newIndex = ConstantInt::get(idxType, ++i);
const auto srcPtr = GetElementPtrInst::CreateInBounds(valType, elements, {oldIndex}, "src", block);
const auto dstPtr = GetElementPtrInst::CreateInBounds(type, itemsPtr, {zero, newIndex}, "dst", block);
const auto item = new LoadInst(valType, srcPtr, "item", block);
new StoreInst(item, dstPtr, block);
ValueAddRef(Representations_[i - 1U], dstPtr, ctx, block);
}
BranchInst::Create(done, block);
}
{
block = slow;
for (ui32 i = 0; i < Index_; ++i) {
const auto index = ConstantInt::get(idxType, i);
const auto itemPtr = GetElementPtrInst::CreateInBounds(type, itemsPtr, {zero, index}, "item", block);
CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElement>(itemPtr, array, ctx.Codegen, block, index);
}
for (ui32 i = Index_ + 1U; i < newSize; ++i) {
const auto oldIndex = ConstantInt::get(idxType, --i);
const auto newIndex = ConstantInt::get(idxType, ++i);
const auto itemPtr = GetElementPtrInst::CreateInBounds(type, itemsPtr, {zero, newIndex}, "item", block);
CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElement>(itemPtr, array, ctx.Codegen, block, oldIndex);
}
BranchInst::Create(done, block);
}
block = done;
if (StructObj_->IsTemporaryValue())
CleanupBoxed(array, ctx, block);
return result;
}
#endif
private:
void RegisterDependencies() const final {
DependsOn(StructObj_);
DependsOn(Member_);
}
IComputationNode* const StructObj_;
IComputationNode* const Member_;
const ui32 Index_;
const std::vector<EValueRepresentation> Representations_;
const TContainerCacheOnContext Cache_;
};
}
IComputationNode* AddMember(const TComputationNodeFactoryContext& ctx, TRuntimeNode structData, TRuntimeNode memberData, TRuntimeNode indexData) {
const auto structType = AS_TYPE(TStructType, structData);
const ui32 index = AS_VALUE(TDataLiteral, indexData)->AsValue().Get<ui32>();
MKQL_ENSURE(index <= structType->GetMembersCount(), "Bad member index");
std::vector<EValueRepresentation> representations;
representations.reserve(structType->GetMembersCount());
for (ui32 i = 0; i < structType->GetMembersCount(); ++i) {
representations.emplace_back(GetValueRepresentation(structType->GetMemberType(i)));
}
const auto structObj = LocateNode(ctx.NodeLocator, *structData.GetNode());
const auto member = LocateNode(ctx.NodeLocator, *memberData.GetNode());
return new TAddMemberWrapper(ctx.Mutables, structObj, member, index, std::move(representations));
}
}
}
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