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#pragma once
#ifdef TORCH_ENABLE_LLVM
#include <c10/util/Exception.h>
#include <c10/util/Optional.h>
#include <torch/csrc/Export.h>
#include <llvm/ExecutionEngine/JITSymbol.h>
#include <llvm/ExecutionEngine/Orc/Core.h>
#include <llvm/ExecutionEngine/Orc/ThreadSafeModule.h>
#include <llvm/Target/TargetMachine.h>
#include <memory>
#include <string>
namespace torch {
namespace jit {
namespace tensorexpr {
inline std::string formatError(llvm::Error&& err, const char* msg) {
static constexpr char* defaultErrorMsg = "Unexpected failure in LLVM JIT";
std::string errorMsg(msg ? msg : defaultErrorMsg);
llvm::raw_string_ostream ss(errorMsg);
ss << ": " << err;
return ss.str();
}
template <typename T>
T assertSuccess(llvm::Expected<T> valOrErr, const char* msg = nullptr) {
TORCH_INTERNAL_ASSERT(valOrErr, formatError(valOrErr.takeError(), msg));
return std::move(*valOrErr);
}
inline void assertSuccess(llvm::Error err, const char* msg = nullptr) {
TORCH_INTERNAL_ASSERT(!err, formatError(std::move(err), msg));
}
} // namespace tensorexpr
} // namespace jit
} // namespace torch
namespace llvm {
namespace orc {
class PytorchLLVMJITImpl;
class TORCH_API PytorchLLVMJIT {
public:
PytorchLLVMJIT(
c10::optional<std::string> triple,
c10::optional<std::string> cpu,
c10::optional<std::string> attrs);
~PytorchLLVMJIT();
void addModule(std::unique_ptr<Module> M, std::unique_ptr<LLVMContext> C);
JITSymbol findSymbol(const std::string Name);
bool hasSymbol(const std::string& Name);
TargetMachine& getTargetMachine();
const DataLayout& getDataLayout();
private:
// Use the PImpl idiom here to hide the no-rtti parts of the JIT structure.
std::unique_ptr<PytorchLLVMJITImpl> impl_;
};
} // end namespace orc
} // end namespace llvm
#endif // ENABLE LLVM
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