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150
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1 // RUN: %clang_cc1 -triple i386-unknown-unknown -fms-compatibility -std=c++11 -E -P %s -o - | FileCheck %s --check-prefixes=CHECK,ITANIUM --implicit-check-not=:
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2 // RUN: %clang_cc1 -triple i386-windows -fms-compatibility -std=c++11 -E -P %s -o - | FileCheck %s --check-prefixes=CHECK,WINDOWS --implicit-check-not=:
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3
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4 #define CXX11(x) x: __has_cpp_attribute(x)
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5
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6 // CHECK: clang::fallthrough: 201603L
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7 CXX11(clang::fallthrough)
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8
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9 // CHECK: selectany: 0
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10 CXX11(selectany)
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11
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12 // The attribute name can be bracketed with double underscores.
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13 // CHECK: clang::__fallthrough__: 201603L
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14 CXX11(clang::__fallthrough__)
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15
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16 // The scope cannot be bracketed with double underscores unless it is
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17 // for gnu or clang.
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18 // CHECK: __gsl__::suppress: 0
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19 CXX11(__gsl__::suppress)
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20
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21 // CHECK: _Clang::fallthrough: 201603L
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22 CXX11(_Clang::fallthrough)
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23
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24 // CHECK: __nodiscard__: 201907L
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25 CXX11(__nodiscard__)
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26
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27 // CHECK: __gnu__::__const__: 1
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28 CXX11(__gnu__::__const__)
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29
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30 // Test that C++11, target-specific attributes behave properly.
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31
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32 // CHECK: gnu::mips16: 0
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33 CXX11(gnu::mips16)
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34
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35 // Test for standard attributes as listed in C++2a [cpp.cond] paragraph 6.
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36
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37 CXX11(assert)
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38 CXX11(carries_dependency)
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39 CXX11(deprecated)
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40 CXX11(ensures)
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41 CXX11(expects)
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42 CXX11(fallthrough)
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43 CXX11(likely)
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44 CXX11(maybe_unused)
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45 CXX11(no_unique_address)
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46 CXX11(nodiscard)
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47 CXX11(noreturn)
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48 CXX11(unlikely)
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49 // FIXME(201806L) CHECK: assert: 0
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50 // CHECK: carries_dependency: 200809L
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51 // CHECK: deprecated: 201309L
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52 // FIXME(201806L) CHECK: ensures: 0
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53 // FIXME(201806L) CHECK: expects: 0
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54 // CHECK: fallthrough: 201603L
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221
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55 // CHECK: likely: 201803L
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150
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56 // CHECK: maybe_unused: 201603L
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57 // ITANIUM: no_unique_address: 201803L
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58 // WINDOWS: no_unique_address: 0
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59 // CHECK: nodiscard: 201907L
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60 // CHECK: noreturn: 200809L
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221
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61 // CHECK: unlikely: 201803L
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150
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62
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236
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63 namespace PR48462 {
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64 // Test that macro expansion of the builtin argument works.
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65 #define C clang
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66 #define F fallthrough
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67 #define CF clang::fallthrough
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68
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69 #if __has_cpp_attribute(F)
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70 int has_fallthrough;
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71 #endif
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72 // CHECK: int has_fallthrough;
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73
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74 #if __has_cpp_attribute(C::F)
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75 int has_clang_falthrough_1;
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76 #endif
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77 // CHECK: int has_clang_falthrough_1;
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78
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79 #if __has_cpp_attribute(clang::F)
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80 int has_clang_falthrough_2;
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81 #endif
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82 // CHECK: int has_clang_falthrough_2;
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83
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84 #if __has_cpp_attribute(C::fallthrough)
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85 int has_clang_falthrough_3;
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86 #endif
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87 // CHECK: int has_clang_falthrough_3;
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88
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89 #if __has_cpp_attribute(CF)
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90 int has_clang_falthrough_4;
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91 #endif
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92 // CHECK: int has_clang_falthrough_4;
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93
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94 #define FUNCLIKE1(x) clang::x
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95 #if __has_cpp_attribute(FUNCLIKE1(fallthrough))
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96 int funclike_1;
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97 #endif
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98 // CHECK: int funclike_1;
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99
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100 #define FUNCLIKE2(x) _Clang::x
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101 #if __has_cpp_attribute(FUNCLIKE2(fallthrough))
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102 int funclike_2;
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103 #endif
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104 // CHECK: int funclike_2;
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105 }
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106
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150
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107 // Test for Microsoft __declspec attributes
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108
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109 #define DECLSPEC(x) x: __has_declspec_attribute(x)
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110
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111 // CHECK: uuid: 1
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112 // CHECK: __uuid__: 1
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113 DECLSPEC(uuid)
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114 DECLSPEC(__uuid__)
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115
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116 // CHECK: fallthrough: 0
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117 DECLSPEC(fallthrough)
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236
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118
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119 namespace PR48462 {
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120 // Test that macro expansion of the builtin argument works.
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121 #define U uuid
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122
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123 #if __has_declspec_attribute(U)
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124 int has_uuid;
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125 #endif
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126 // CHECK: int has_uuid;
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127 }
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