llvm/polly/lib/CodeGen/PerfMonitor.cpp

//===------ PerfMonitor.cpp - Generate a run-time performance monitor. -======//
//
// 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 "polly/CodeGen/PerfMonitor.h"
#include "polly/CodeGen/RuntimeDebugBuilder.h"
#include "polly/ScopInfo.h"
#include "llvm/ADT/Twine.h"
#include "llvm/IR/IntrinsicsX86.h"
#include "llvm/IR/Module.h"
#include "llvm/TargetParser/Triple.h"

usingnamespacellvm;
usingnamespacepolly;

Function *PerfMonitor::getAtExit() { … }

void PerfMonitor::addToGlobalConstructors(Function *Fn) { … }

Function *PerfMonitor::getRDTSCP() { … }

PerfMonitor::PerfMonitor(const Scop &S, Module *M)
    : … { … }

static void TryRegisterGlobal(Module *M, const char *Name,
                              Constant *InitialValue, Value **Location) { … }

// Generate a unique name that is usable as a LLVM name for a scop to name its
// performance counter.
static std::string GetScopUniqueVarname(const Scop &S) { … }

void PerfMonitor::addScopCounter() { … }

void PerfMonitor::addGlobalVariables() { … }

static const char *InitFunctionName = …;
static const char *FinalReportingFunctionName = …;

static BasicBlock *FinalStartBB = …;
static ReturnInst *ReturnFromFinal = …;

Function *PerfMonitor::insertFinalReporting() { … }

void PerfMonitor::AppendScopReporting() { … }

static Function *FinalReporting = …;

void PerfMonitor::initialize() { … }

Function *PerfMonitor::insertInitFunction(Function *FinalReporting) { … }

void PerfMonitor::insertRegionStart(Instruction *InsertBefore) { … }

void PerfMonitor::insertRegionEnd(Instruction *InsertBefore) { … }