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  1. //===- IRCompileLayer.h -- Eagerly compile IR for JIT -----------*- C++ -*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. //
  9. // Contains the definition for a basic, eagerly compiling layer of the JIT.
  10. //
  11. //===----------------------------------------------------------------------===//
  12.  
  13. #ifndef LLVM_EXECUTIONENGINE_ORC_IRCOMPILELAYER_H
  14. #define LLVM_EXECUTIONENGINE_ORC_IRCOMPILELAYER_H
  15.  
  16. #include "llvm/ADT/STLExtras.h"
  17. #include "llvm/ExecutionEngine/JITSymbol.h"
  18. #include "llvm/ExecutionEngine/Orc/Layer.h"
  19. #include "llvm/Support/Error.h"
  20. #include "llvm/Support/MemoryBuffer.h"
  21. #include <functional>
  22. #include <memory>
  23. #include <mutex>
  24.  
  25. namespace llvm {
  26.  
  27. class Module;
  28.  
  29. namespace orc {
  30.  
  31. class IRCompileLayer : public IRLayer {
  32. public:
  33.   class IRCompiler {
  34.   public:
  35.     IRCompiler(IRSymbolMapper::ManglingOptions MO) : MO(std::move(MO)) {}
  36.     virtual ~IRCompiler();
  37.     const IRSymbolMapper::ManglingOptions &getManglingOptions() const {
  38.       return MO;
  39.     }
  40.     virtual Expected<std::unique_ptr<MemoryBuffer>> operator()(Module &M) = 0;
  41.  
  42.   protected:
  43.     IRSymbolMapper::ManglingOptions &manglingOptions() { return MO; }
  44.  
  45.   private:
  46.     IRSymbolMapper::ManglingOptions MO;
  47.   };
  48.  
  49.   using NotifyCompiledFunction = std::function<void(
  50.       MaterializationResponsibility &R, ThreadSafeModule TSM)>;
  51.  
  52.   IRCompileLayer(ExecutionSession &ES, ObjectLayer &BaseLayer,
  53.                  std::unique_ptr<IRCompiler> Compile);
  54.  
  55.   IRCompiler &getCompiler() { return *Compile; }
  56.  
  57.   void setNotifyCompiled(NotifyCompiledFunction NotifyCompiled);
  58.  
  59.   void emit(std::unique_ptr<MaterializationResponsibility> R,
  60.             ThreadSafeModule TSM) override;
  61.  
  62. private:
  63.   mutable std::mutex IRLayerMutex;
  64.   ObjectLayer &BaseLayer;
  65.   std::unique_ptr<IRCompiler> Compile;
  66.   const IRSymbolMapper::ManglingOptions *ManglingOpts;
  67.   NotifyCompiledFunction NotifyCompiled = NotifyCompiledFunction();
  68. };
  69.  
  70. } // end namespace orc
  71. } // end namespace llvm
  72.  
  73. #endif // LLVM_EXECUTIONENGINE_ORC_IRCOMPILELAYER_H
  74.