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Make IrCloner more convenient to use #2495

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Merged
merged 1 commit into from
Feb 21, 2023
Merged

Make IrCloner more convenient to use #2495

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27 changes: 25 additions & 2 deletions third_party/nvfuser/csrc/ir_cloner.h
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,9 @@
#include <dispatch.h>
#include <ir_builder.h>

#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <vector>

namespace nvfuser {
Expand All @@ -28,23 +30,44 @@ class TORCH_CUDA_CU_API IrCloner {

Statement* clone(const Statement* statement);

int64_t clone(int64_t x) {
return x;
}

template <class T>
T* clone(const T* node) {
return node ? clone(node->template as<Statement>())->template as<T>()
: nullptr;
}

template <class T>
std::vector<T*> clone(const std::vector<T*>& container) {
std::vector<T> clone(const std::vector<T>& container) {
// NOLINTNEXTLINE(cppcoreguidelines-init-variables)
std::vector<T*> copy;
std::vector<T> copy;
copy.reserve(container.size());
for (auto p : container) {
copy.push_back(clone(p));
}
return copy;
}

template <class T>
std::unordered_set<T> clone(const std::unordered_set<T>& container) {
std::unordered_set<T> copy;
copy.reserve(container.size());
for (auto p : container) {
copy.insert(clone(p));
}
return copy;
}

template <typename... Ts>
std::tuple<Ts...> clone(const std::tuple<Ts...>& tup) {
return std::apply(
[this](auto&... x) { return std::make_tuple<Ts...>(clone(x)...); },
tup);
}

IrContainer* container() const {
return ir_container_;
}
Expand Down