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