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#include "mkql_tooptional.h"
#include <yql/essentials/minikql/computation/mkql_computation_node_codegen.h> // Y_IGNORE
#include <yql/essentials/minikql/mkql_node_cast.h>
namespace NKikimr {
namespace NMiniKQL {
namespace {
template <bool IsOptional>
class THeadWrapper : public TMutableCodegeneratorPtrNode<THeadWrapper<IsOptional>> {
typedef TMutableCodegeneratorPtrNode<THeadWrapper<IsOptional>> TBaseComputation;
public:
THeadWrapper(TComputationMutables& mutables, EValueRepresentation kind, IComputationNode* list)
: TBaseComputation(mutables, kind), List(list)
{}
NUdf::TUnboxedValue DoCalculate(TComputationContext& ctx) const {
const auto& value = List->GetValue(ctx);
if (const auto ptr = value.GetElements()) {
if (value.GetListLength() > 0ULL) {
return NUdf::TUnboxedValuePod(*ptr).MakeOptionalIf<IsOptional>();
}
} else if (const auto iter = value.GetListIterator()) {
NUdf::TUnboxedValue result;
if (iter.Next(result)) {
return result.Release().MakeOptionalIf<IsOptional>();
}
}
return NUdf::TUnboxedValue();
}
#ifndef MKQL_DISABLE_CODEGEN
void DoGenerateGetValue(const TCodegenContext& ctx, Value* result, BasicBlock*& block) const {
auto& context = ctx.Codegen.GetContext();
const auto valueType = Type::getInt128Ty(context);
const auto ptrType = PointerType::getUnqual(valueType);
const auto list = GetNodeValue(List, ctx, block);
const auto elements = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElements>(ptrType, list, 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 many = BasicBlock::Create(context, "many", ctx.Func);
const auto none = BasicBlock::Create(context, "none", ctx.Func);
const auto done = BasicBlock::Create(context, "done", ctx.Func);
const auto good = IsOptional ? BasicBlock::Create(context, "good", ctx.Func) : done;
BranchInst::Create(slow, fast, null, block);
{
block = fast;
const auto size = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetListLength>(Type::getInt64Ty(context), list, ctx.Codegen, block);
const auto test = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_UGT, size, ConstantInt::get(size->getType(), 0ULL), "test", block);
BranchInst::Create(many, none, test, block);
block = many;
const auto item = new LoadInst(valueType, elements, "item", block);
ValueAddRef(this->GetRepresentation(), item, ctx, block);
new StoreInst(IsOptional ? MakeOptional(context, item, block) : item, result, block);
BranchInst::Create(done, block);
}
{
block = slow;
CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetListIterator>(result, list, ctx.Codegen, block);
const auto iter = new LoadInst(valueType, result, "iter", block);
new StoreInst(ConstantInt::get(valueType, 0ULL), result, block);
const auto status = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::Next>(Type::getInt1Ty(context), iter, ctx.Codegen, block, result);
UnRefBoxed(iter, ctx, block);
BranchInst::Create(good, none, status, block);
if constexpr (IsOptional) {
block = good;
const auto item = new LoadInst(valueType, result, "item", block);
new StoreInst(MakeOptional(context, item, block), result, block);
BranchInst::Create(done, block);
}
}
block = none;
new StoreInst(ConstantInt::get(valueType, 0ULL), result, block);
BranchInst::Create(done, block);
block = done;
if (List->IsTemporaryValue())
CleanupBoxed(list, ctx, block);
}
#endif
private:
void RegisterDependencies() const final {
this->DependsOn(List);
}
IComputationNode* const List;
};
template <bool IsOptional>
class TLastWrapper : public TMutableCodegeneratorPtrNode<TLastWrapper<IsOptional>> {
typedef TMutableCodegeneratorPtrNode<TLastWrapper<IsOptional>> TBaseComputation;
public:
TLastWrapper(TComputationMutables& mutables, EValueRepresentation kind, IComputationNode* list)
: TBaseComputation(mutables, kind), List(list)
{}
NUdf::TUnboxedValue DoCalculate(TComputationContext& ctx) const {
const auto& value = List->GetValue(ctx);
if (const auto ptr = value.GetElements()) {
if (const auto size = value.GetListLength()) {
return NUdf::TUnboxedValuePod(ptr[size - 1U]).MakeOptionalIf<IsOptional>();
}
} else if (const auto iter = value.GetListIterator()) {
NUdf::TUnboxedValue result;
if (iter.Next(result)) {
while (iter.Next(result)) continue;
return result.Release().MakeOptionalIf<IsOptional>();
}
}
return NUdf::TUnboxedValue();
}
#ifndef MKQL_DISABLE_CODEGEN
void DoGenerateGetValue(const TCodegenContext& ctx, Value* result, BasicBlock*& block) const {
auto& context = ctx.Codegen.GetContext();
const auto valueType = Type::getInt128Ty(context);
const auto ptrType = PointerType::getUnqual(valueType);
const auto list = GetNodeValue(List, ctx, block);
const auto elements = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetElements>(ptrType, list, 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 nope = BasicBlock::Create(context, "nope", ctx.Func);
const auto loop = BasicBlock::Create(context, "loop", ctx.Func);
const auto good = BasicBlock::Create(context, "good", ctx.Func);
const auto many = BasicBlock::Create(context, "many", ctx.Func);
const auto none = BasicBlock::Create(context, "none", ctx.Func);
const auto done = BasicBlock::Create(context, "done", ctx.Func);
BranchInst::Create(slow, fast, null, block);
{
block = fast;
const auto size = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetListLength>(Type::getInt64Ty(context), list, ctx.Codegen, block);
const auto test = CmpInst::Create(Instruction::ICmp, ICmpInst::ICMP_UGT, size, ConstantInt::get(size->getType(), 0ULL), "test", block);
BranchInst::Create(many, none, test, block);
block = many;
const auto index = BinaryOperator::CreateSub(size, ConstantInt::get(size->getType(), 1), "index", block);
const auto last = GetElementPtrInst::CreateInBounds(valueType, elements, {index}, "last", block);
const auto item = new LoadInst(valueType, last, "item", block);
ValueAddRef(this->GetRepresentation(), item, ctx, block);
new StoreInst(IsOptional ? MakeOptional(context, item, block) : item, result, block);
BranchInst::Create(done, block);
}
{
block = slow;
CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::GetListIterator>(result, list, ctx.Codegen, block);
const auto iter = new LoadInst(valueType, result, "iter", block);
new StoreInst(ConstantInt::get(valueType, 0ULL), result, block);
const auto first = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::Next>(Type::getInt1Ty(context), iter, ctx.Codegen, block, result);
BranchInst::Create(loop, nope, first, block);
block = nope;
UnRefBoxed(iter, ctx, block);
BranchInst::Create(none, block);
block = loop;
const auto status = CallBoxedValueVirtualMethod<NUdf::TBoxedValueAccessor::EMethod::Next>(Type::getInt1Ty(context), iter, ctx.Codegen, block, result);
BranchInst::Create(loop, good, status, block);
block = good;
UnRefBoxed(iter, ctx, block);
if constexpr (IsOptional) {
const auto item = new LoadInst(valueType, result, "item", block);
new StoreInst(MakeOptional(context, item, block), result, block);
}
BranchInst::Create(done, block);
}
block = none;
new StoreInst(ConstantInt::get(valueType, 0ULL), result, block);
BranchInst::Create(done, block);
block = done;
if (List->IsTemporaryValue())
CleanupBoxed(list, ctx, block);
}
#endif
private:
void RegisterDependencies() const final {
this->DependsOn(List);
}
IComputationNode* const List;
};
}
IComputationNode* WrapHead(TCallable& callable, const TComputationNodeFactoryContext& ctx) {
MKQL_ENSURE(callable.GetInputsCount() == 1, "Expected 1 args");
if (AS_TYPE(TOptionalType, callable.GetType()->GetReturnType())->IsOptional()) {
return new THeadWrapper<true>(ctx.Mutables, GetValueRepresentation(callable.GetType()->GetReturnType()), LocateNode(ctx.NodeLocator, callable, 0));
} else {
return new THeadWrapper<false>(ctx.Mutables, GetValueRepresentation(callable.GetType()->GetReturnType()), LocateNode(ctx.NodeLocator, callable, 0));
}
}
IComputationNode* WrapLast(TCallable& callable, const TComputationNodeFactoryContext& ctx) {
MKQL_ENSURE(callable.GetInputsCount() == 1, "Expected 1 args");
if (AS_TYPE(TOptionalType, callable.GetType()->GetReturnType())->IsOptional()) {
return new TLastWrapper<true>(ctx.Mutables, GetValueRepresentation(callable.GetType()->GetReturnType()), LocateNode(ctx.NodeLocator, callable, 0));
} else {
return new TLastWrapper<false>(ctx.Mutables, GetValueRepresentation(callable.GetType()->GetReturnType()), LocateNode(ctx.NodeLocator, callable, 0));
}
}
}
}
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