llvm/llvm/lib/Analysis/ImportedFunctionsInliningStatistics.cpp

//===-- ImportedFunctionsInliningStats.cpp ----------------------*- 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
//
//===----------------------------------------------------------------------===//
// Generating inliner statistics for imported functions, mostly useful for
// ThinLTO.
//===----------------------------------------------------------------------===//

#include "llvm/Analysis/Utils/ImportedFunctionsInliningStatistics.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <iomanip>
#include <sstream>
#include <string>

usingnamespacellvm;

namespace llvm {
cl::opt<InlinerFunctionImportStatsOpts> InlinerFunctionImportStats(
    "inliner-function-import-stats",
    cl::init(InlinerFunctionImportStatsOpts::No),
    cl::values(clEnumValN(InlinerFunctionImportStatsOpts::Basic, "basic",
                          "basic statistics"),
               clEnumValN(InlinerFunctionImportStatsOpts::Verbose, "verbose",
                          "printing of statistics for each inlined function")),
    cl::Hidden, cl::desc("Enable inliner stats for imported functions"));
} // namespace llvm

ImportedFunctionsInliningStatistics::InlineGraphNode &
ImportedFunctionsInliningStatistics::createInlineGraphNode(const Function &F) { … }

void ImportedFunctionsInliningStatistics::recordInline(const Function &Caller,
                                                       const Function &Callee) { … }

void ImportedFunctionsInliningStatistics::setModuleInfo(const Module &M) { … }
static std::string getStatString(const char *Msg, int32_t Fraction, int32_t All,
                                 const char *PercentageOfMsg,
                                 bool LineEnd = true) { … }

void ImportedFunctionsInliningStatistics::dump(const bool Verbose) { … }

void ImportedFunctionsInliningStatistics::calculateRealInlines() { … }

void ImportedFunctionsInliningStatistics::dfs(InlineGraphNode &GraphNode) { … }

ImportedFunctionsInliningStatistics::SortedNodesTy
ImportedFunctionsInliningStatistics::getSortedNodes() { … }