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//===- llvm-xray.cpp: XRay Tool Main Program ------------------------------===//
//
// 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 file implements the main entry point for the suite of XRay tools. All
// additional functionality are implemented as subcommands.
//
//===----------------------------------------------------------------------===//
//
// Basic usage:
//
// llvm-xray [options] <subcommand> [subcommand-specific options]
//
#include "xray-registry.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::xray;
int main(int argc, char *argv[]) {
cl::ParseCommandLineOptions(argc, argv,
"XRay Tools\n\n"
" This program consolidates multiple XRay trace "
"processing tools for convenient access.\n");
for (auto *SC : cl::getRegisteredSubcommands()) {
if (*SC) {
// If no subcommand was provided, we need to explicitly check if this is
// the top-level subcommand.
if (SC == &*cl::TopLevelSubCommand) {
cl::PrintHelpMessage(false, true);
return 0;
}
if (auto C = dispatch(SC)) {
ExitOnError("llvm-xray: ")(C());
return 0;
}
}
}
// If all else fails, we still print the usage message.
cl::PrintHelpMessage(false, true);
return 0;
}
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