1//===------ PGOOptions.cpp -- PGO option tunables --------------*- C++ -*--===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/Support/PGOOptions.h"
10#include "llvm/Support/VirtualFileSystem.h"
11
12using namespace llvm;
13
14PGOOptions::PGOOptions(std::string ProfileFile, std::string CSProfileGenFile,
15 std::string ProfileRemappingFile,
16 std::string MemoryProfile, PGOAction Action,
17 CSPGOAction CSAction, ColdFuncOpt ColdType,
18 bool DebugInfoForProfiling, bool PseudoProbeForProfiling,
19 bool AtomicCounterUpdate)
20 : ProfileFile(ProfileFile), CSProfileGenFile(CSProfileGenFile),
21 ProfileRemappingFile(ProfileRemappingFile), MemoryProfile(MemoryProfile),
22 Action(Action), CSAction(CSAction), ColdOptType(ColdType),
23 DebugInfoForProfiling(DebugInfoForProfiling ||
24 (Action == SampleUse && !PseudoProbeForProfiling)),
25 PseudoProbeForProfiling(PseudoProbeForProfiling),
26 AtomicCounterUpdate(AtomicCounterUpdate) {
27 // Note, we do allow ProfileFile.empty() for Action=IRUse LTO can
28 // callback with IRUse action without ProfileFile.
29
30 // If there is a CSAction, PGOAction cannot be IRInstr or SampleUse.
31 assert(this->CSAction == NoCSAction ||
32 (this->Action != IRInstr && this->Action != SampleUse));
33
34 // For CSIRInstr, CSProfileGenFile also needs to be nonempty.
35 assert(this->CSAction != CSIRInstr || !this->CSProfileGenFile.empty());
36
37 // If CSAction is CSIRUse, PGOAction needs to be IRUse as they share
38 // a profile.
39 assert(this->CSAction != CSIRUse || this->Action == IRUse);
40
41 // Cannot optimize with MemProf profile during IR instrumentation.
42 assert(this->MemoryProfile.empty() || this->Action != PGOOptions::IRInstr);
43
44 // If neither Action nor CSAction nor MemoryProfile are set,
45 // DebugInfoForProfiling or PseudoProbeForProfiling needs to be true.
46 assert(this->Action != NoAction || this->CSAction != NoCSAction ||
47 !this->MemoryProfile.empty() || this->DebugInfoForProfiling ||
48 this->PseudoProbeForProfiling);
49}
50
51PGOOptions::PGOOptions(const PGOOptions &) = default;
52
53PGOOptions &PGOOptions::operator=(const PGOOptions &O) = default;
54
55PGOOptions::~PGOOptions() = default;
56