diff options
Diffstat (limited to 'llvm/lib/Support/PGOOptions.cpp')
-rw-r--r-- | llvm/lib/Support/PGOOptions.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/llvm/lib/Support/PGOOptions.cpp b/llvm/lib/Support/PGOOptions.cpp new file mode 100644 index 000000000000..04d50cc70d91 --- /dev/null +++ b/llvm/lib/Support/PGOOptions.cpp @@ -0,0 +1,58 @@ +//===------ PGOOptions.cpp -- 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 +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/PGOOptions.h" +#include "llvm/Support/VirtualFileSystem.h" + +using namespace llvm; + +PGOOptions::PGOOptions(std::string ProfileFile, std::string CSProfileGenFile, + std::string ProfileRemappingFile, + std::string MemoryProfile, + IntrusiveRefCntPtr<vfs::FileSystem> FS, PGOAction Action, + CSPGOAction CSAction, bool DebugInfoForProfiling, + bool PseudoProbeForProfiling) + : ProfileFile(ProfileFile), CSProfileGenFile(CSProfileGenFile), + ProfileRemappingFile(ProfileRemappingFile), MemoryProfile(MemoryProfile), + Action(Action), CSAction(CSAction), + DebugInfoForProfiling(DebugInfoForProfiling || + (Action == SampleUse && !PseudoProbeForProfiling)), + PseudoProbeForProfiling(PseudoProbeForProfiling), FS(std::move(FS)) { + // 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); + + // Cannot optimize with MemProf profile during IR instrumentation. + assert(this->MemoryProfile.empty() || this->Action != PGOOptions::IRInstr); + + // If neither Action nor CSAction nor MemoryProfile are set, + // DebugInfoForProfiling or PseudoProbeForProfiling needs to be true. + assert(this->Action != NoAction || this->CSAction != NoCSAction || + !this->MemoryProfile.empty() || this->DebugInfoForProfiling || + this->PseudoProbeForProfiling); + + // If we need to use the profile, the VFS cannot be nullptr. + assert(this->FS || !(this->Action == IRUse || this->CSAction == CSIRUse || + !this->MemoryProfile.empty())); +} + +PGOOptions::PGOOptions(const PGOOptions &) = default; + +PGOOptions &PGOOptions::operator=(const PGOOptions &O) = default; + +PGOOptions::~PGOOptions() = default; |