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#pragma once
#include <memory>
#include <util/generic/fwd.h>
#include <util/generic/strbuf.h>
class IOutputStream;
namespace llvm {
class Module;
class Function;
class LLVMContext;
class ExecutionEngine;
}
namespace NYql {
namespace NCodegen {
enum class ETarget {
Native, // Run on current processor and OS
CurrentOS,
Linux,
Windows,
Darwin
};
enum class ESanitize {
Auto,
Asan,
Msan,
Tsan
};
struct TCodegenStats {
ui64 TotalFunctions = 0;
ui64 TotalInstructions = 0;
ui64 MaxFunctionInstructions = 0;
};
struct TCompileStats {
ui32 FunctionPassTime = 0;
ui32 ModulePassTime = 0;
ui32 FinalizeTime = 0;
ui64 TotalObjectSize = 0;
};
class ICodegen {
public:
virtual ~ICodegen() = default;
virtual ETarget GetEffectiveTarget() const = 0;
virtual llvm::LLVMContext& GetContext() = 0;
virtual llvm::Module& GetModule() = 0;
virtual llvm::ExecutionEngine& GetEngine() = 0;
virtual void Verify() = 0;
virtual void GetStats(TCodegenStats& stats) = 0;
virtual void ExportSymbol(llvm::Function* function) = 0; // to run DCE before Compile
virtual void Compile(const TStringBuf compileOpts = TStringBuf(), TCompileStats* compileStats = nullptr) = 0;
virtual void* GetPointerToFunction(llvm::Function* function) = 0;
virtual ui64 GetFunctionCodeSize(llvm::Function* function) = 0;
virtual void ShowGeneratedFunctions(IOutputStream* out) = 0;
virtual void LoadBitCode(TStringBuf bitcode, TStringBuf uniqId) = 0;
virtual void AddGlobalMapping(TStringBuf name, const void* address) = 0;
virtual void TogglePerfJITEventListener() = 0;
using TPtr = std::unique_ptr<ICodegen>;
static TPtr Make(ETarget target, ESanitize sanitize = ESanitize::Auto);
using TSharedPtr = std::shared_ptr<ICodegen>;
static TSharedPtr MakeShared(ETarget target, ESanitize sanitize = ESanitize::Auto);
static bool IsCodegenAvailable();
};
}
}
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