Add an unwind_to field to basic blocks, making them Users instead of Values.

[oota-llvm.git] / include / llvm / ADT / IndexedMap.h

diff --git a/include/llvm/ADT/IndexedMap.h b/include/llvm/ADT/IndexedMap.h
index 2cf5990617accb7450f84d393c1f0253192438d4..ad95bdba018cd13f2eebce5c0f825a337ca5a528 100644 (file)
--- a/include/llvm/ADT/IndexedMap.h
+++ b/include/llvm/ADT/IndexedMap.h
@@ -1,13 +1,13 @@
-//===- 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
@@ -17,10 +17,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SUPPORT_DENSEMAP_H
-#define SUPPORT_DENSEMAP_H
+#ifndef LLVM_ADT_INDEXEDMAP_H
+#define LLVM_ADT_INDEXEDMAP_H
 
+#include <functional>
 #include <vector>
+#include <cassert>
 
 namespace llvm {
 
@@ -31,7 +33,7 @@ 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_;
@@ -39,9 +41,9 @@ namespace llvm {
     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!");
@@ -62,6 +64,10 @@ namespace llvm {
       if (NewSize > storage_.size())
         storage_.resize(NewSize, nullVal_);
     }
+
+    typename StorageT::size_type size() const {
+      return storage_.size();
+    }
   };
 
 } // End llvm namespace