LowerToLLVM.h

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//====- LowerToLLVM.h- Lowering from CIR to LLVM --------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file declares an interface for converting CIR modules to LLVM IR.
//
//===----------------------------------------------------------------------===//
#ifndef CLANG_CIR_LOWERTOLLVM_H
#define CLANG_CIR_LOWERTOLLVM_H
 
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/VirtualFileSystemFwd.h"
#include <memory>
 
namespace llvm {
class LLVMContext;
class Module;
} // namespace llvm
 
namespace mlir {
class ModuleOp;
} // namespace mlir
 
namespace cir {
 
namespace direct {
/// Lowers \p mlirModule, a CIR module, to an LLVM module in \p llvmCtx.
/// Returns null if lowering fails; the error has then been reported through
/// the MLIR diagnostic engine of \p mlirModule's context.
std::unique_ptr<llvm::Module>
lowerDirectlyFromCIRToLLVMIR(mlir::ModuleOp mlirModule,
                             llvm::LLVMContext &llvmCtx, bool enableOpenMP,
                             llvm::StringRef mlirSaveTempsOutFile = {},
                             llvm::vfs::FileSystem *fs = nullptr);
} // namespace direct
} // namespace cir
 
#endif // CLANG_CIR_LOWERTOLLVM_H