-//===- llvm/ADT/DenseMap.h - A dense map implmentation ----------*- C++ -*-===//
-//
+//===- llvm/ADT/IndexedMap.h - An index map implementation ------*- C++ -*-===//
+//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
//
-// This file implements a dense map. A dense map template takes two
+// This file implements an indexed map. The index map template takes two
// types. The first is the mapped type and the second is a functor
// that maps its argument to a size_t. On instantiation a "null" value
// can be provided to be used as a "does not exist" indicator in the
//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_ADT_DENSEMAP_H
-#define LLVM_ADT_DENSEMAP_H
+#ifndef LLVM_ADT_INDEXEDMAP_H
+#define LLVM_ADT_INDEXEDMAP_H
#include <functional>
#include <vector>
+#include <cassert>
namespace llvm {
};
template <typename T, typename ToIndexT = IdentityFunctor>
- class DenseMap {
+ class IndexedMap {
typedef typename ToIndexT::argument_type IndexT;
typedef std::vector<T> StorageT;
StorageT storage_;
ToIndexT toIndex_;
public:
- DenseMap() : nullVal_(T()) { }
+ IndexedMap() : nullVal_(T()) { }
- explicit DenseMap(const T& val) : nullVal_(val) { }
+ explicit IndexedMap(const T& val) : nullVal_(val) { }
typename StorageT::reference operator[](IndexT n) {
assert(toIndex_(n) < storage_.size() && "index out of bounds!");