Moved yql/minikql YQL-19206

init

[nodiff:caesar]
commit_hash:d1182ef7d430ccf7e4d37ed933c7126d7bd5d6e4

1 files changed, 75 insertions, 0 deletions

diff --git a/yql/essentials/minikql/codegen/codegen.h b/yql/essentials/minikql/codegen/codegen.h
new file mode 100644
index 00000000000..4c7e2ab4f12
--- /dev/null
+++ b/yql/essentials/minikql/codegen/codegen.h
@@ -0,0 +1,75 @@
+#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();
+};
+
+}
+}