llvm/llvm/lib/IR/OptBisect.cpp

//===- llvm/IR/OptBisect/Bisect.cpp - LLVM Bisect support -----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
/// \file
/// This file implements support for a bisecting optimizations based on a
/// command line option.
//
//===----------------------------------------------------------------------===//

#include "llvm/IR/OptBisect.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>

usingnamespacellvm;

static OptBisect &getOptBisector() { … }

static cl::opt<int> OptBisectLimit("opt-bisect-limit", cl::Hidden,
                                   cl::init(OptBisect::Disabled), cl::Optional,
                                   cl::cb<void, int>([](int Limit) { … }),
                                   cl::desc("Maximum optimization to perform"));

static cl::opt<bool> OptBisectVerbose(
    "opt-bisect-verbose",
    cl::desc("Show verbose output when opt-bisect-limit is set"), cl::Hidden,
    cl::init(true), cl::Optional);

static void printPassMessage(const StringRef &Name, int PassNum,
                             StringRef TargetDesc, bool Running) { … }

bool OptBisect::shouldRunPass(const StringRef PassName,
                              StringRef IRDescription) { … }

const int OptBisect::Disabled;

OptPassGate &llvm::getGlobalPassGate() { … }