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 12 using namespace llvm; 13 14 PGOOptions::PGOOptions(std::string ProfileFile, std::string CSProfileGenFile, 15 std::string ProfileRemappingFile, 16 std::string MemoryProfile, 17 IntrusiveRefCntPtr<vfs::FileSystem> FS, PGOAction Action, 18 CSPGOAction CSAction, ColdFuncOpt ColdType, 19 bool DebugInfoForProfiling, bool PseudoProbeForProfiling, 20 bool AtomicCounterUpdate) 21 : ProfileFile(ProfileFile), CSProfileGenFile(CSProfileGenFile), 22 ProfileRemappingFile(ProfileRemappingFile), MemoryProfile(MemoryProfile), 23 Action(Action), CSAction(CSAction), ColdOptType(ColdType), 24 DebugInfoForProfiling(DebugInfoForProfiling || 25 (Action == SampleUse && !PseudoProbeForProfiling)), 26 PseudoProbeForProfiling(PseudoProbeForProfiling), 27 AtomicCounterUpdate(AtomicCounterUpdate), FS(std::move(FS)) { 28 // Note, we do allow ProfileFile.empty() for Action=IRUse LTO can 29 // callback with IRUse action without ProfileFile. 30 31 // If there is a CSAction, PGOAction cannot be IRInstr or SampleUse. 32 assert(this->CSAction == NoCSAction || 33 (this->Action != IRInstr && this->Action != SampleUse)); 34 35 // For CSIRInstr, CSProfileGenFile also needs to be nonempty. 36 assert(this->CSAction != CSIRInstr || !this->CSProfileGenFile.empty()); 37 38 // If CSAction is CSIRUse, PGOAction needs to be IRUse as they share 39 // a profile. 40 assert(this->CSAction != CSIRUse || this->Action == IRUse); 41 42 // Cannot optimize with MemProf profile during IR instrumentation. 43 assert(this->MemoryProfile.empty() || this->Action != PGOOptions::IRInstr); 44 45 // If neither Action nor CSAction nor MemoryProfile are set, 46 // DebugInfoForProfiling or PseudoProbeForProfiling needs to be true. 47 assert(this->Action != NoAction || this->CSAction != NoCSAction || 48 !this->MemoryProfile.empty() || this->DebugInfoForProfiling || 49 this->PseudoProbeForProfiling); 50 51 // If we need to use the profile, the VFS cannot be nullptr. 52 assert(this->FS || !(this->Action == IRUse || this->CSAction == CSIRUse || 53 !this->MemoryProfile.empty())); 54 } 55 56 PGOOptions::PGOOptions(const PGOOptions &) = default; 57 58 PGOOptions &PGOOptions::operator=(const PGOOptions &O) = default; 59 60 PGOOptions::~PGOOptions() = default; 61