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//===- DebugTranslation.h - MLIR to LLVM Debug conversion -------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file implements the translation between an MLIR debug information and
// the corresponding LLVMIR representation.
//
//===----------------------------------------------------------------------===//
#ifndef MLIR_LIB_TARGET_LLVMIR_DEBUGTRANSLATION_H_
#define MLIR_LIB_TARGET_LLVMIR_DEBUGTRANSLATION_H_
#include "mlir/IR/Location.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/IR/DIBuilder.h"
namespace mlir {
class Operation;
namespace LLVM {
class LLVMFuncOp;
namespace detail {
class DebugTranslation {
public:
DebugTranslation(Operation *module, llvm::Module &llvmModule);
/// Finalize the translation of debug information.
void finalize();
/// Translate the given location to an llvm debug location.
const llvm::DILocation *translateLoc(Location loc, llvm::DILocalScope *scope);
/// Translate the debug information for the given function.
void translate(LLVMFuncOp func, llvm::Function &llvmFunc);
private:
/// Translate the given location to an llvm debug location with the given
/// scope and inlinedAt parameters.
const llvm::DILocation *translateLoc(Location loc, llvm::DILocalScope *scope,
const llvm::DILocation *inlinedAt);
/// Create an llvm debug file for the given file path.
llvm::DIFile *translateFile(StringRef fileName);
/// A mapping between mlir location+scope and the corresponding llvm debug
/// metadata.
DenseMap<std::pair<Location, llvm::DILocalScope *>, const llvm::DILocation *>
locationToLoc;
/// A mapping between filename and llvm debug file.
/// TODO: Change this to DenseMap<Identifier, ...> when we can
/// access the Identifier filename in FileLineColLoc.
llvm::StringMap<llvm::DIFile *> fileMap;
/// A string containing the current working directory of the compiler.
SmallString<256> currentWorkingDir;
/// Debug information fields.
llvm::DIBuilder builder;
llvm::LLVMContext &llvmCtx;
llvm::DICompileUnit *compileUnit;
};
} // end namespace detail
} // end namespace LLVM
} // end namespace mlir
#endif // MLIR_LIB_TARGET_LLVMIR_DEBUGTRANSLATION_H_
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