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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===------ PGOOptions.h -- PGO option tunables ----------------*- 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
//
//===----------------------------------------------------------------------===//
/// \file
///
/// Define option tunables for PGO.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_PGOOPTIONS_H
#define LLVM_SUPPORT_PGOOPTIONS_H
#include "llvm/Support/Error.h"
namespace llvm {
/// A struct capturing PGO tunables.
struct PGOOptions {
enum PGOAction { NoAction, IRInstr, IRUse, SampleUse };
enum CSPGOAction { NoCSAction, CSIRInstr, CSIRUse };
PGOOptions(std::string ProfileFile = "", std::string CSProfileGenFile = "",
std::string ProfileRemappingFile = "", PGOAction Action = NoAction,
CSPGOAction CSAction = NoCSAction,
bool DebugInfoForProfiling = false,
bool PseudoProbeForProfiling = false)
: ProfileFile(ProfileFile), CSProfileGenFile(CSProfileGenFile),
ProfileRemappingFile(ProfileRemappingFile), Action(Action),
CSAction(CSAction), DebugInfoForProfiling(DebugInfoForProfiling ||
(Action == SampleUse &&
!PseudoProbeForProfiling)),
PseudoProbeForProfiling(PseudoProbeForProfiling) {
// Note, we do allow ProfileFile.empty() for Action=IRUse LTO can
// callback with IRUse action without ProfileFile.
// If there is a CSAction, PGOAction cannot be IRInstr or SampleUse.
assert(this->CSAction == NoCSAction ||
(this->Action != IRInstr && this->Action != SampleUse));
// For CSIRInstr, CSProfileGenFile also needs to be nonempty.
assert(this->CSAction != CSIRInstr || !this->CSProfileGenFile.empty());
// If CSAction is CSIRUse, PGOAction needs to be IRUse as they share
// a profile.
assert(this->CSAction != CSIRUse || this->Action == IRUse);
// If neither Action nor CSAction, DebugInfoForProfiling or
// PseudoProbeForProfiling needs to be true.
assert(this->Action != NoAction || this->CSAction != NoCSAction ||
this->DebugInfoForProfiling || this->PseudoProbeForProfiling);
}
std::string ProfileFile;
std::string CSProfileGenFile;
std::string ProfileRemappingFile;
PGOAction Action;
CSPGOAction CSAction;
bool DebugInfoForProfiling;
bool PseudoProbeForProfiling;
};
} // namespace llvm
#endif
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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