bugpoint.cpp | Explore in Territory

//===- bugpoint.cpp - The LLVM Bugpoint utility ---------------------------===//
//
// 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 program is an automated compiler debugger tool.  It is used to narrow
// down miscompilations and crash problems to a specific pass in the compiler,
// and the specific Module or Function input that is causing the problem.
//
//===----------------------------------------------------------------------===//

#include "BugDriver.h"
#include "ToolRunner.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/LegacyPassNameParser.h"
#include "llvm/InitializePasses.h"
#include "llvm/LinkAllIR.h"
#include "llvm/LinkAllPasses.h"
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/Valgrind.h"
#include "llvm/Transforms/IPO/AlwaysInliner.h"

// Enable this macro to debug bugpoint itself.
//#define DEBUG_BUGPOINT 1

usingnamespacellvm;

static cl::opt<bool>
    FindBugs("find-bugs", cl::desc("Run many different optimization sequences "
                                   "on program to find bugs"),
             cl::init(false));

static cl::list<std::string>
    InputFilenames(cl::Positional, cl::OneOrMore,
                   cl::desc("<input llvm ll/bc files>"));

static cl::opt<unsigned> TimeoutValue(
    "timeout", cl::init(300), cl::value_desc("seconds"),
    cl::desc("Number of seconds program is allowed to run before it "
             "is killed (default is 300s), 0 disables timeout"));

static cl::opt<int> MemoryLimit(
    "mlimit", cl::init(-1), cl::value_desc("MBytes"),
    cl::desc("Maximum amount of memory to use. 0 disables check. Defaults to "
             "400MB (800MB under valgrind, 0 with sanitizers)."));

static cl::opt<bool>
    UseValgrind("enable-valgrind",
                cl::desc("Run optimizations through valgrind"));

// The AnalysesList is automatically populated with registered Passes by the
// PassNameParser.
//
static cl::list<const PassInfo *, bool, PassNameParser>
    PassList(cl::desc("Passes available:"));

static cl::opt<std::string>
    OverrideTriple("mtriple", cl::desc("Override target triple for module"));

/// BugpointIsInterrupted - Set to true when the user presses ctrl-c.
bool llvm::BugpointIsInterrupted = …;

#ifndef DEBUG_BUGPOINT
static void BugpointInterruptFunction() { … }
#endif

// Hack to capture a pass list.
namespace {
class AddToDriver : public legacy::FunctionPassManager { … };
}

#define HANDLE_EXTENSION …
#include "llvm/Support/Extension.def"

int main(int argc, char **argv) { … }
llvm/llvm/tools/bugpoint/bugpoint.cpp
