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llvm-mirror/lib/Support/Options.cpp
Chris Bieneman 937b40b209 Defining a new API for debug options that doesn't rely on static global cl::opts.
Summary:
This is based on the discussions from the LLVMDev thread:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-August/075886.html

Reviewers: chandlerc

Reviewed By: chandlerc

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5389

llvm-svn: 219854
2014-10-15 21:54:35 +00:00

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1.1 KiB
C++

//===- llvm/Support/Options.cpp - Debug options support ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the helper objects for defining debug options using the
// new API built on cl::opt, but not requiring the use of static globals.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Options.h"
#include "llvm/Support/ManagedStatic.h"
using namespace llvm;
OptionRegistry::~OptionRegistry() {
for (auto IT = Options.begin(); IT != Options.end(); ++IT)
delete IT->second;
}
void OptionRegistry::addOption(void *Key, cl::Option *O) {
assert(Options.find(Key) == Options.end() &&
"Argument with this key already registerd");
Options.insert(std::make_pair(Key, O));
}
static ManagedStatic<OptionRegistry> OR;
OptionRegistry &OptionRegistry::instance() { return *OR; }