1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
#include "mkql_removemember.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 TRemoveMemberWrapper : public TMutableCodegeneratorFallbackNode<TRemoveMemberWrapper> {
typedef TMutableCodegeneratorFallbackNode<TRemoveMemberWrapper> TBaseComputation;
public:
TRemoveMemberWrapper(TComputationMutables& mutables, IComputationNode* structObj, ui32 index, std::vector<EValueRepresentation>&& representations)
: TBaseComputation(mutables, EValueRepresentation::Boxed)
, StructObj(structObj)
, 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 (Representations.size() > 1) {
Y_ABORT_UNLESS(itemsPtr);
if (const auto ptr = baseStruct.GetElements()) {
for (ui32 i = 0; i < Index; ++i) {
*itemsPtr++ = ptr[i];
}
for (ui32 i = Index + 1; i < Representations.size(); ++i) {
*itemsPtr++ = ptr[i];
}
} else {
for (ui32 i = 0; i < Index; ++i) {
*itemsPtr++ = baseStruct.GetElement(i);
}
for (ui32 i = Index + 1; 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 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 < Representations.size(); ++i) {
const auto oldIndex = ConstantInt::get(idxType, i);
const auto newIndex = ConstantInt::get(idxType, i - 1U);
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], 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 < Representations.size(); ++i) {
const auto oldIndex = ConstantInt::get(idxType, i);
const auto newIndex = ConstantInt::get(idxType, i - 1U);
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);
}
IComputationNode* const StructObj;
const ui32 Index;
const std::vector<EValueRepresentation> Representations;
const TContainerCacheOnContext Cache;
};
}
IComputationNode* WrapRemoveMember(TCallable& callable, const TComputationNodeFactoryContext& ctx) {
MKQL_ENSURE(callable.GetInputsCount() == 2, "Expected 2 args");
const auto structType = AS_TYPE(TStructType, callable.GetInput(0));
const auto indexData = AS_VALUE(TDataLiteral, callable.GetInput(1));
const ui32 index = 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, callable, 0);
return new TRemoveMemberWrapper(ctx.Mutables, structObj, index, std::move(representations));
}
}
}
|
