llvm/llvm/utils/TableGen/ExegesisEmitter.cpp

//===- ExegesisEmitter.cpp - Generate exegesis target data ----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend emits llvm-exegesis information.
//
//===----------------------------------------------------------------------===//

#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenBackend.h"
#include <cassert>
#include <map>
#include <string>
#include <vector>

usingnamespacellvm;

#define DEBUG_TYPE …

namespace {

class ExegesisEmitter { … };

static std::map<llvm::StringRef, unsigned>
collectPfmCounters(const RecordKeeper &Records) { … }

ExegesisEmitter::ExegesisEmitter(const RecordKeeper &RK)
    : … { … }

struct ValidationCounterInfo { … };

bool EventNumberLess(const ValidationCounterInfo &LHS,
                     const ValidationCounterInfo &RHS) { … }

void ExegesisEmitter::emitPfmCountersInfo(const Record &Def,
                                          unsigned &IssueCountersTableOffset,
                                          raw_ostream &OS) const { … }

void ExegesisEmitter::emitPfmCounters(raw_ostream &OS) const { … } // namespace

void ExegesisEmitter::emitPfmCountersLookupTable(raw_ostream &OS) const { … }

void ExegesisEmitter::run(raw_ostream &OS) const { … }

} // end anonymous namespace

static TableGen::Emitter::OptClass<ExegesisEmitter>
    X("gen-exegesis", "Generate llvm-exegesis tables");