Coverage Report

Created: 2019-02-15 18:59

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/clang/include/clang/Basic/AddressSpaces.h
Line
Count
Source
1
//===- AddressSpaces.h - Language-specific address spaces -------*- 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
/// \file
10
/// Provides definitions for the various language-specific address
11
/// spaces.
12
//
13
//===----------------------------------------------------------------------===//
14
15
#ifndef LLVM_CLANG_BASIC_ADDRESSSPACES_H
16
#define LLVM_CLANG_BASIC_ADDRESSSPACES_H
17
18
#include <cassert>
19
20
namespace clang {
21
22
/// Defines the address space values used by the address space qualifier
23
/// of QualType.
24
///
25
enum class LangAS : unsigned {
26
  // The default value 0 is the value used in QualType for the situation
27
  // where there is no address space qualifier.
28
  Default = 0,
29
30
  // OpenCL specific address spaces.
31
  // In OpenCL each l-value must have certain non-default address space, each
32
  // r-value must have no address space (i.e. the default address space). The
33
  // pointee of a pointer must have non-default address space.
34
  opencl_global,
35
  opencl_local,
36
  opencl_constant,
37
  opencl_private,
38
  opencl_generic,
39
40
  // CUDA specific address spaces.
41
  cuda_device,
42
  cuda_constant,
43
  cuda_shared,
44
45
  // This denotes the count of language-specific address spaces and also
46
  // the offset added to the target-specific address spaces, which are usually
47
  // specified by address space attributes __attribute__(address_space(n))).
48
  FirstTargetAddressSpace
49
};
50
51
/// The type of a lookup table which maps from language-specific address spaces
52
/// to target-specific ones.
53
using LangASMap = unsigned[(unsigned)LangAS::FirstTargetAddressSpace];
54
55
/// \return whether \p AS is a target-specific address space rather than a
56
/// clang AST address space
57
1.10M
inline bool isTargetAddressSpace(LangAS AS) {
58
1.10M
  return (unsigned)AS >= (unsigned)LangAS::FirstTargetAddressSpace;
59
1.10M
}
60
61
665
inline unsigned toTargetAddressSpace(LangAS AS) {
62
665
  assert(isTargetAddressSpace(AS));
63
665
  return (unsigned)AS - (unsigned)LangAS::FirstTargetAddressSpace;
64
665
}
65
66
481
inline LangAS getLangASFromTargetAS(unsigned TargetAS) {
67
481
  return static_cast<LangAS>((TargetAS) +
68
481
                             (unsigned)LangAS::FirstTargetAddressSpace);
69
481
}
70
71
} // namespace clang
72
73
#endif // LLVM_CLANG_BASIC_ADDRESSSPACES_H