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#pragma once
#ifndef MKQL_DISABLE_CODEGEN
#include <yql/essentials/minikql/computation/mkql_computation_node_impl.h>
#include <llvm/IR/LLVMContext.h>
#include <llvm/IR/Type.h>
#include <llvm/IR/Constant.h>
#include <llvm/IR/DerivedTypes.h>
#include <llvm/IR/Constants.h>
namespace NKikimr::NMiniKQL {
template <class T>
class TLLVMFieldsStructure;
template <class T>
class TLLVMFieldsStructure<TComputationValue<T>> {
protected:
llvm::LLVMContext& Context;
ui32 GetFieldsCount() const {
return FieldsCount;
}
const std::vector<llvm::Type*>& GetFields() const {
return Fields;
}
private:
llvm::PointerType* StructPtrType;
std::vector<llvm::Type*> Fields;
const ui32 FieldsCount;
std::vector<llvm::Type*> BuildFields() {
std::vector<llvm::Type*> result;
result.emplace_back(StructPtrType); // vtbl
result.emplace_back(llvm::Type::getInt32Ty(Context)); // ref
result.emplace_back(llvm::Type::getInt16Ty(Context)); // abi
result.emplace_back(llvm::Type::getInt16Ty(Context)); // reserved
#ifndef NDEBUG
result.emplace_back(StructPtrType); // meminfo
#endif
return result;
}
public:
TLLVMFieldsStructure(llvm::LLVMContext& context)
: Context(context)
, StructPtrType(llvm::PointerType::getUnqual(llvm::StructType::get(Context)))
, Fields(BuildFields())
, FieldsCount(Fields.size()) {
}
llvm::Constant* This() const {
return llvm::ConstantInt::get(llvm::Type::getInt32Ty(Context), 0);
}
const std::vector<llvm::Type*>& GetFieldsArray() const {
return Fields;
}
};
}
#endif
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