1//===- llvm/Support/Options.cpp - Debug options support ---------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements the helper objects for defining debug options using the
11// new API built on cl::opt, but not requiring the use of static globals.
12//
13//===----------------------------------------------------------------------===//
14
15#include "llvm/Support/Options.h"
16#include "llvm/Support/ManagedStatic.h"
17
18using namespace llvm;
19
20OptionRegistry::~OptionRegistry() {
21  for (auto IT = Options.begin(); IT != Options.end(); ++IT)
22    delete IT->second;
23}
24
25void OptionRegistry::addOption(void *Key, cl::Option *O) {
26  assert(Options.find(Key) == Options.end() &&
27         "Argument with this key already registerd");
28  Options.insert(std::make_pair(Key, O));
29}
30
31static ManagedStatic<OptionRegistry> OR;
32
33OptionRegistry &OptionRegistry::instance() { return *OR; }
34