llvm/llvm/tools/llvm-ctxprof-util/llvm-ctxprof-util.cpp

//===--- PGOCtxProfJSONReader.h - JSON format  ------------------*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
///
/// JSON format for the contextual profile for testing.
///
//===----------------------------------------------------------------------===//

#include "llvm/ADT/STLExtras.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/ProfileData/CtxInstrContextNode.h"
#include "llvm/ProfileData/PGOCtxProfWriter.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/JSON.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"

usingnamespacellvm;

static cl::SubCommand FromJSON("fromJSON", "Convert from json");

static cl::opt<std::string> InputFilename(
    "input", cl::value_desc("input"), cl::init("-"),
    cl::desc(
        "Input file. The format is an array of contexts.\n"
        "Each context is a dictionary with the following keys:\n"
        "'Guid', mandatory. The value is a 64-bit integer.\n"
        "'Counters', mandatory. An array of 32-bit ints. These are the "
        "counter values.\n"
        "'Contexts', optional. An array containing arrays of contexts. The "
        "context array at a position 'i' is the set of callees at that "
        "callsite index. Use an empty array to indicate no callees."),
    cl::sub(FromJSON));

static cl::opt<std::string> OutputFilename("output", cl::value_desc("output"),
                                           cl::init("-"),
                                           cl::desc("Output file"),
                                           cl::sub(FromJSON));

// Save the bitstream profile from the JSON representation.
Error convertFromJSON() { … }

int main(int argc, const char **argv) { … }