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//===- 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/IR/DiagnosticInfo.h"
#include "llvm/Remarks/RemarkStreamer.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ToolOutputFile.h"
#include <memory>
#include <string>
namespace llvm {
/// Streamer for LLVM remarks which has logic for dealing with DiagnosticInfo
/// objects.
class LLVMRemarkStreamer {
remarks::RemarkStreamer &RS;
/// Convert diagnostics into remark objects.
/// The lifetime of the members of the result is bound to the lifetime of
/// the LLVM diagnostics.
remarks::Remark toRemark(const DiagnosticInfoOptimizationBase &Diag) const;
public:
LLVMRemarkStreamer(remarks::RemarkStreamer &RS) : RS(RS) {}
/// Emit a diagnostic through the streamer.
void emit(const DiagnosticInfoOptimizationBase &Diag);
};
template <typename ThisError>
struct LLVMRemarkSetupErrorInfo : public ErrorInfo<ThisError> {
std::string Msg;
std::error_code EC;
LLVMRemarkSetupErrorInfo(Error E) {
handleAllErrors(std::move(E), [&](const ErrorInfoBase &EIB) {
Msg = EIB.message();
EC = EIB.convertToErrorCode();
});
}
void log(raw_ostream &OS) const override { OS << Msg; }
std::error_code convertToErrorCode() const override { return EC; }
};
struct LLVMRemarkSetupFileError
: LLVMRemarkSetupErrorInfo<LLVMRemarkSetupFileError> {
static char ID;
using LLVMRemarkSetupErrorInfo<
LLVMRemarkSetupFileError>::LLVMRemarkSetupErrorInfo;
};
struct LLVMRemarkSetupPatternError
: LLVMRemarkSetupErrorInfo<LLVMRemarkSetupPatternError> {
static char ID;
using LLVMRemarkSetupErrorInfo<
LLVMRemarkSetupPatternError>::LLVMRemarkSetupErrorInfo;
};
struct LLVMRemarkSetupFormatError
: LLVMRemarkSetupErrorInfo<LLVMRemarkSetupFormatError> {
static char ID;
using LLVMRemarkSetupErrorInfo<
LLVMRemarkSetupFormatError>::LLVMRemarkSetupErrorInfo;
};
/// Setup optimization remarks that output to a file.
Expected<std::unique_ptr<ToolOutputFile>>
setupLLVMOptimizationRemarks(LLVMContext &Context, StringRef RemarksFilename,
StringRef RemarksPasses, StringRef RemarksFormat,
bool RemarksWithHotness,
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,
Optional<uint64_t> RemarksHotnessThreshold = 0);
} // end namespace llvm
#endif // LLVM_IR_LLVMREMARKSTREAMER_H
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