CIRGenAction.h

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//===---- CIRGenAction.h - CIR Code Generation Frontend Action -*- C++ -*--===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_CIR_CIRGENACTION_H
#define LLVM_CLANG_CIR_CIRGENACTION_H
 
#include "clang/CodeGen/ModuleLinker.h"
#include "clang/Frontend/FrontendAction.h"
#include "llvm/ADT/SmallVector.h"
 
#include "mlir/IR/BuiltinOps.h"
#include "mlir/IR/OwningOpRef.h"
 
namespace llvm {
class LLVMContext;
} // namespace llvm
 
namespace mlir {
class MLIRContext;
class ModuleOp;
} // namespace mlir
 
namespace cir {
class CIRGenConsumer;
 
class CIRGenAction : public clang::ASTFrontendAction {
public:
  enum class OutputType {
    EmitAssembly,
    EmitCIR,
    EmitLLVM,
    EmitBC,
    EmitObj,
  };
 
private:
  friend class CIRGenConsumer;
 
  mlir::OwningOpRef<mlir::ModuleOp> MLIRMod;
 
  mlir::MLIRContext *MLIRCtx;
 
  std::unique_ptr<llvm::LLVMContext> Ctx;
  llvm::SmallVector<clang::LinkModule> LinkModules;
 
protected:
  CIRGenAction(OutputType Action, mlir::MLIRContext *MLIRCtx = nullptr);
 
  bool BeginSourceFileAction(clang::CompilerInstance &CI) override;
 
  std::unique_ptr<clang::ASTConsumer>
  CreateASTConsumer(clang::CompilerInstance &CI,
                    llvm::StringRef InFile) override;
 
public:
  ~CIRGenAction() override;
 
  OutputType Action;
};
 
class EmitCIRAction : public CIRGenAction {
  virtual void anchor();
 
public:
  EmitCIRAction(mlir::MLIRContext *MLIRCtx = nullptr);
};
 
class EmitLLVMAction : public CIRGenAction {
  virtual void anchor();
 
public:
  EmitLLVMAction(mlir::MLIRContext *MLIRCtx = nullptr);
};
 
class EmitBCAction : public CIRGenAction {
  virtual void anchor();
 
public:
  EmitBCAction(mlir::MLIRContext *MLIRCtx = nullptr);
};
 
class EmitAssemblyAction : public CIRGenAction {
  virtual void anchor();
 
public:
  EmitAssemblyAction(mlir::MLIRContext *MLIRCtx = nullptr);
};
 
class EmitObjAction : public CIRGenAction {
  virtual void anchor();
 
public:
  EmitObjAction(mlir::MLIRContext *MLIRCtx = nullptr);
};
 
} // namespace cir
 
#endif