llvm/llvm/include/llvm/IR/LLVMRemarkStreamer.h

//===- llvm/IR/LLVMRemarkStreamer.h - Streamer for LLVM remarks--*- 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 conversion between IR Diagnostics and
// serializable remarks::Remark objects.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_IR_LLVMREMARKSTREAMER_H
#define LLVM_IR_LLVMREMARKSTREAMER_H

#include "llvm/Remarks/Remark.h"
#include "llvm/Support/Error.h"
#include <memory>
#include <optional>
#include <string>

namespace llvm {

class DiagnosticInfoOptimizationBase;
class LLVMContext;
class ToolOutputFile;
namespace remarks {
class RemarkStreamer;
}

/// Streamer for LLVM remarks which has logic for dealing with DiagnosticInfo
/// objects.
class LLVMRemarkStreamer { … };

template <typename ThisError>
struct LLVMRemarkSetupErrorInfo : public ErrorInfo<ThisError> { … };

struct LLVMRemarkSetupFileError
    : LLVMRemarkSetupErrorInfo<LLVMRemarkSetupFileError> { … };

struct LLVMRemarkSetupPatternError
    : LLVMRemarkSetupErrorInfo<LLVMRemarkSetupPatternError> { … };

struct LLVMRemarkSetupFormatError
    : LLVMRemarkSetupErrorInfo<LLVMRemarkSetupFormatError> { … };

/// Setup optimization remarks that output to a file.
Expected<std::unique_ptr<ToolOutputFile>>
setupLLVMOptimizationRemarks(LLVMContext &Context, StringRef RemarksFilename,
                             StringRef RemarksPasses, StringRef RemarksFormat,
                             bool RemarksWithHotness,
                             std::optional<uint64_t> RemarksHotnessThreshold = 0);

/// Setup optimization remarks that output directly to a raw_ostream.
/// \p OS is managed by the caller and should be open for writing as long as \p
/// Context is streaming remarks to it.
Error setupLLVMOptimizationRemarks(
    LLVMContext &Context, raw_ostream &OS, StringRef RemarksPasses,
    StringRef RemarksFormat, bool RemarksWithHotness,
    std::optional<uint64_t> RemarksHotnessThreshold = 0);

} // end namespace llvm

#endif // LLVM_IR_LLVMREMARKSTREAMER_H