LLVM  10.0.0svn
Capacity.h
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1 //===--- Capacity.h - Generic computation of ADT memory use -----*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines the capacity function that computes the amount of
10 // memory used by an ADT.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_SUPPORT_CAPACITY_H
15 #define LLVM_SUPPORT_CAPACITY_H
16 
17 #include <cstddef>
18 
19 namespace llvm {
20 
21 template <typename T>
22 static inline size_t capacity_in_bytes(const T &x) {
23  // This default definition of capacity should work for things like std::vector
24  // and friends. More specialized versions will work for others.
25  return x.capacity() * sizeof(typename T::value_type);
26 }
27 
28 } // end namespace llvm
29 
30 #endif
31 
This class represents lattice values for constants.
Definition: AllocatorList.h:23
size_t capacity_in_bytes(const BitVector &X)
Definition: BitVector.h:931