llvm/llvm/lib/ProfileData/PGOCtxProfReader.cpp

//===- PGOCtxProfReader.cpp - Contextual Instrumentation profile reader ---===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Read a contextual profile into a datastructure suitable for maintenance
// throughout IPO
//
//===----------------------------------------------------------------------===//

#include "llvm/ProfileData/PGOCtxProfReader.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Bitstream/BitCodeEnums.h"
#include "llvm/Bitstream/BitstreamReader.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/ProfileData/PGOCtxProfWriter.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"

usingnamespacellvm;

// FIXME(#92054) - these Error handling macros are (re-)invented in a few
// places.
#define EXPECT_OR_RET(LHS, RHS) …

#define RET_ON_ERR(EXPR) …

Expected<PGOCtxProfContext &>
PGOCtxProfContext::getOrEmplace(uint32_t Index, GlobalValue::GUID G,
                                SmallVectorImpl<uint64_t> &&Counters) { … }

Expected<BitstreamEntry> PGOCtxProfileReader::advance() { … }

Error PGOCtxProfileReader::wrongValue(const Twine &Msg) { … }

Error PGOCtxProfileReader::unsupported(const Twine &Msg) { … }

bool PGOCtxProfileReader::canReadContext() { … }

Expected<std::pair<std::optional<uint32_t>, PGOCtxProfContext>>
PGOCtxProfileReader::readContext(bool ExpectIndex) { … }

Error PGOCtxProfileReader::readMetadata() { … }

Expected<std::map<GlobalValue::GUID, PGOCtxProfContext>>
PGOCtxProfileReader::loadContexts() { … }