| 1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-macosx10.7.0 -emit-llvm -o - %s -w | FileCheck %s |
| 2 | |
| 3 | // CHECK-LABEL: define linkonce_odr void @_Z11inline_funci |
| 4 | inline void inline_func(int n) { |
| 5 | // CHECK: call i32 @_ZZ11inline_funciENKUlvE_clEv |
| 6 | int i = []{ return 1; }(); |
| 7 | |
| 8 | // CHECK: call i32 @_ZZ11inline_funciENKUlvE0_clEv |
| 9 | int j = [=] { return n + i; }(); |
| 10 | |
| 11 | // CHECK: call double @_ZZ11inline_funciENKUlvE1_clEv |
| 12 | int k = [=] () -> double { return n + i; }(); |
| 13 | |
| 14 | // CHECK: call i32 @_ZZ11inline_funciENKUliE_clEi |
| 15 | int l = [=] (int x) -> int { return x + i; }(n); |
| 16 | |
| 17 | int inner(int i = []{ return 17; }()); |
| 18 | // CHECK: call i32 @_ZZ11inline_funciENKUlvE2_clEv |
| 19 | // CHECK-NEXT: call i32 @_Z5inneri |
| 20 | inner(); |
| 21 | |
| 22 | // CHECK-NEXT: ret void |
| 23 | } |
| 24 | |
| 25 | void call_inline_func() { |
| 26 | inline_func(17); |
| 27 | } |
| 28 | |
| 29 | // CHECK-LABEL: define linkonce_odr i32* @_ZNK10inline_varMUlvE_clEv( |
| 30 | // CHECK: @_ZZNK10inline_varMUlvE_clEvE1n |
| 31 | inline auto inline_var = [] { |
| 32 | static int n = 5; |
| 33 | return &n; |
| 34 | }; |
| 35 | |
| 36 | int *use_inline_var = inline_var(); |
| 37 | |
| 38 | // CHECK-LABEL: define linkonce_odr i32* @_ZNK12var_templateIiEMUlvE_clEv( |
| 39 | // CHECK: @_ZZNK12var_templateIiEMUlvE_clEvE1n |
| 40 | template<typename T> auto var_template = [] { |
| 41 | static int n = 9; |
| 42 | return &n; |
| 43 | }; |
| 44 | |
| 45 | int *use_var_template = var_template<int>(); |
| 46 | |
| 47 | struct S { |
| 48 | void f(int = []{return 1;}() |
| 49 | + []{return 2;}(), |
| 50 | int = []{return 3;}()); |
| 51 | void g(int, int); |
| 52 | }; |
| 53 | |
| 54 | void S::g(int i = []{return 1;}(), |
| 55 | int j = []{return 2; }()) {} |
| 56 | |
| 57 | // CHECK-LABEL: define void @_Z6test_S1S |
| 58 | void test_S(S s) { |
| 59 | // CHECK: call i32 @_ZZN1S1fEiiEd0_NKUlvE_clEv |
| 60 | // CHECK-NEXT: call i32 @_ZZN1S1fEiiEd0_NKUlvE0_clEv |
| 61 | // CHECK-NEXT: add nsw i32 |
| 62 | // CHECK-NEXT: call i32 @_ZZN1S1fEiiEd_NKUlvE_clEv |
| 63 | // CHECK-NEXT: call void @_ZN1S1fEii |
| 64 | s.f(); |
| 65 | |
| 66 | // NOTE: These manglings don't actually matter that much, because |
| 67 | // the lambdas in the default arguments of g() won't be seen by |
| 68 | // multiple translation units. We check them mainly to ensure that they don't |
| 69 | // get the special mangling for lambdas in in-class default arguments. |
| 70 | // CHECK: call i32 @"_ZNK1S3$_0clEv" |
| 71 | // CHECK-NEXT: call i32 @"_ZNK1S3$_1clEv" |
| 72 | // CHECK-NEXT: call void @_ZN1S1gEi |
| 73 | s.g(); |
| 74 | |
| 75 | // CHECK-NEXT: ret void |
| 76 | } |
| 77 | |
| 78 | // Check the linkage of the lambda call operators used in test_S. |
| 79 | // CHECK-LABEL: define linkonce_odr i32 @_ZZN1S1fEiiEd0_NKUlvE_clEv |
| 80 | // CHECK: ret i32 1 |
| 81 | // CHECK-LABEL: define linkonce_odr i32 @_ZZN1S1fEiiEd0_NKUlvE0_clEv |
| 82 | // CHECK: ret i32 2 |
| 83 | // CHECK-LABEL: define linkonce_odr i32 @_ZZN1S1fEiiEd_NKUlvE_clEv |
| 84 | // CHECK: ret i32 3 |
| 85 | // CHECK-LABEL: define internal i32 @"_ZNK1S3$_0clEv" |
| 86 | // CHECK: ret i32 1 |
| 87 | // CHECK-LABEL: define internal i32 @"_ZNK1S3$_1clEv" |
| 88 | // CHECK: ret i32 2 |
| 89 | |
| 90 | template<typename T> |
| 91 | struct ST { |
| 92 | void f(T = []{return T() + 1;}() |
| 93 | + []{return T() + 2;}(), |
| 94 | T = []{return T(3);}()); |
| 95 | }; |
| 96 | |
| 97 | // CHECK-LABEL: define void @_Z7test_ST2STIdE |
| 98 | void test_ST(ST<double> st) { |
| 99 | // CHECK: call double @_ZZN2STIdE1fEddEd0_NKUlvE_clEv |
| 100 | // CHECK-NEXT: call double @_ZZN2STIdE1fEddEd0_NKUlvE0_clEv |
| 101 | // CHECK-NEXT: fadd double |
| 102 | // CHECK-NEXT: call double @_ZZN2STIdE1fEddEd_NKUlvE_clEv |
| 103 | // CHECK-NEXT: call void @_ZN2STIdE1fEdd |
| 104 | st.f(); |
| 105 | |
| 106 | // CHECK-NEXT: ret void |
| 107 | } |
| 108 | |
| 109 | // Check the linkage of the lambda call operators used in test_ST. |
| 110 | // CHECK-LABEL: define linkonce_odr double @_ZZN2STIdE1fEddEd0_NKUlvE_clEv |
| 111 | // CHECK: ret double 1 |
| 112 | // CHECK-LABEL: define linkonce_odr double @_ZZN2STIdE1fEddEd0_NKUlvE0_clEv |
| 113 | // CHECK: ret double 2 |
| 114 | // CHECK-LABEL: define linkonce_odr double @_ZZN2STIdE1fEddEd_NKUlvE_clEv |
| 115 | // CHECK: ret double 3 |
| 116 | |
| 117 | template<typename T> |
| 118 | struct StaticMembers { |
| 119 | static T x; |
| 120 | static T y; |
| 121 | static T z; |
| 122 | static int (*f)(); |
| 123 | }; |
| 124 | |
| 125 | template<typename T> int accept_lambda(T); |
| 126 | |
| 127 | template<typename T> |
| 128 | T StaticMembers<T>::x = []{return 1;}() + []{return 2;}(); |
| 129 | |
| 130 | template<typename T> |
| 131 | T StaticMembers<T>::y = []{return 3;}(); |
| 132 | |
| 133 | template<typename T> |
| 134 | T StaticMembers<T>::z = accept_lambda([]{return 4;}); |
| 135 | |
| 136 | template<typename T> |
| 137 | int (*StaticMembers<T>::f)() = []{return 5;}; |
| 138 | |
| 139 | // CHECK-LABEL: define internal void @__cxx_global_var_init |
| 140 | // CHECK: call i32 @_ZNK13StaticMembersIfE1xMUlvE_clEv |
| 141 | // CHECK-NEXT: call i32 @_ZNK13StaticMembersIfE1xMUlvE0_clEv |
| 142 | // CHECK-NEXT: add nsw |
| 143 | // CHECK-LABEL: define linkonce_odr i32 @_ZNK13StaticMembersIfE1xMUlvE_clEv |
| 144 | // CHECK: ret i32 1 |
| 145 | // CHECK-LABEL: define linkonce_odr i32 @_ZNK13StaticMembersIfE1xMUlvE0_clEv |
| 146 | // CHECK: ret i32 2 |
| 147 | template float StaticMembers<float>::x; |
| 148 | |
| 149 | // CHECK-LABEL: define internal void @__cxx_global_var_init |
| 150 | // CHECK: call i32 @_ZNK13StaticMembersIfE1yMUlvE_clEv |
| 151 | // CHECK-LABEL: define linkonce_odr i32 @_ZNK13StaticMembersIfE1yMUlvE_clEv |
| 152 | // CHECK: ret i32 3 |
| 153 | template float StaticMembers<float>::y; |
| 154 | |
| 155 | // CHECK-LABEL: define internal void @__cxx_global_var_init |
| 156 | // CHECK: call i32 @_Z13accept_lambdaIN13StaticMembersIfE1zMUlvE_EEiT_ |
| 157 | // CHECK: declare i32 @_Z13accept_lambdaIN13StaticMembersIfE1zMUlvE_EEiT_() |
| 158 | template float StaticMembers<float>::z; |
| 159 | |
| 160 | // CHECK-LABEL: define internal void @__cxx_global_var_init |
| 161 | // CHECK: call {{.*}} @_ZNK13StaticMembersIfE1fMUlvE_cvPFivEEv |
| 162 | // CHECK-LABEL: define linkonce_odr i32 ()* @_ZNK13StaticMembersIfE1fMUlvE_cvPFivEEv |
| 163 | template int (*StaticMembers<float>::f)(); |
| 164 | |
| 165 | // CHECK-LABEL: define internal void @__cxx_global_var_init |
| 166 | // CHECK: call i32 @"_ZNK13StaticMembersIdE3$_2clEv" |
| 167 | // CHECK-LABEL: define internal i32 @"_ZNK13StaticMembersIdE3$_2clEv" |
| 168 | // CHECK: ret i32 42 |
| 169 | template<> double StaticMembers<double>::z = []{return 42; }(); |
| 170 | |
| 171 | template<typename T> |
| 172 | void func_template(T = []{ return T(); }()); |
| 173 | |
| 174 | // CHECK-LABEL: define void @_Z17use_func_templatev() |
| 175 | void use_func_template() { |
| 176 | // CHECK: call i32 @"_ZZ13func_templateIiEvT_ENK3$_3clEv" |
| 177 | func_template<int>(); |
| 178 | } |
| 179 | |
| 180 | namespace std { |
| 181 | struct type_info; |
| 182 | } |
| 183 | namespace PR12123 { |
| 184 | struct A { virtual ~A(); } g; |
| 185 | struct B { |
| 186 | void f(const std::type_info& x = typeid([]()->A& { return g; }())); |
| 187 | void h(); |
| 188 | }; |
| 189 | void B::h() { f(); } |
| 190 | } |
| 191 | |
| 192 | // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %"struct.PR12123::A"* @_ZZN7PR121231B1fERKSt9type_infoEd_NKUlvE_clEv |
| 193 | |
| 194 | // CHECK-LABEL: define {{.*}} @_Z{{[0-9]*}}testVarargsLambdaNumberingv( |
| 195 | inline int testVarargsLambdaNumbering() { |
| 196 | // CHECK: testVarargsLambdaNumberingvE{{.*}}UlzE_ |
| 197 | auto a = [](...) { static int n; return ++n; }; |
| 198 | // CHECK: testVarargsLambdaNumberingvE{{.*}}UlvE_ |
| 199 | auto b = []() { static int n; return ++n; }; |
| 200 | return a() + b(); |
| 201 | } |
| 202 | int k = testVarargsLambdaNumbering(); |
| 203 | |
| 204 | // Check linkage of the various lambdas. |
| 205 | // CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE_clEv |
| 206 | // CHECK: ret i32 1 |
| 207 | // CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE0_clEv |
| 208 | // CHECK: ret i32 |
| 209 | // CHECK-LABEL: define linkonce_odr double @_ZZ11inline_funciENKUlvE1_clEv |
| 210 | // CHECK: ret double |
| 211 | // CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUliE_clEi |
| 212 | // CHECK: ret i32 |
| 213 | // CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE2_clEv |
| 214 | // CHECK: ret i32 17 |
| 215 | |
| 216 | // CHECK-LABEL: define linkonce_odr void @_ZN7MembersC2Ev |
| 217 | // CHECK: call i32 @_ZNK7Members1xMUlvE_clEv |
| 218 | // CHECK-NEXT: call i32 @_ZNK7Members1xMUlvE0_clE |
| 219 | // CHECK-NEXT: add nsw i32 |
| 220 | // CHECK: call i32 @_ZNK7Members1yMUlvE_clEv |
| 221 | // CHECK: ret void |
| 222 | |
| 223 | |
| 224 | // Check the linkage of the lambdas used in test_Members. |
| 225 | // CHECK-LABEL: define linkonce_odr i32 @_ZNK7Members1xMUlvE_clEv |
| 226 | // CHECK: ret i32 1 |
| 227 | // CHECK-LABEL: define linkonce_odr i32 @_ZNK7Members1xMUlvE0_clEv |
| 228 | // CHECK: ret i32 2 |
| 229 | // CHECK-LABEL: define linkonce_odr i32 @_ZNK7Members1yMUlvE_clEv |
| 230 | // CHECK: ret i32 3 |
| 231 | |
| 232 | // CHECK-LABEL: define linkonce_odr void @_Z1fIZZNK23TestNestedInstantiationclEvENKUlvE_clEvEUlvE_EvT_ |
| 233 | |
| 234 | |
| 235 | namespace PR12808 { |
| 236 | template <typename> struct B { |
| 237 | int a; |
| 238 | template <typename L> constexpr B(L&& x) : a(x()) { } |
| 239 | }; |
| 240 | template <typename> void b(int) { |
| 241 | [&]{ (void)B<int>([&]{ return 1; }); }(); |
| 242 | } |
| 243 | void f() { |
| 244 | b<int>(1); |
| 245 | } |
| 246 | // CHECK-LABEL: define linkonce_odr void @_ZZN7PR128081bIiEEviENKUlvE_clEv |
| 247 | // CHECK-LABEL: define linkonce_odr i32 @_ZZZN7PR128081bIiEEviENKUlvE_clEvENKUlvE_clEv |
| 248 | } |
| 249 | |
| 250 | |
| 251 | struct Members { |
| 252 | int x = [] { return 1; }() + [] { return 2; }(); |
| 253 | int y = [] { return 3; }(); |
| 254 | }; |
| 255 | |
| 256 | void test_Members() { |
| 257 | Members members; |
| 258 | } |
| 259 | |
| 260 | template<typename P> void f(P) { } |
| 261 | |
| 262 | struct TestNestedInstantiation { |
| 263 | void operator()() const { |
| 264 | []() -> void { |
| 265 | return f([]{}); |
| 266 | }(); |
| 267 | } |
| 268 | }; |
| 269 | |
| 270 | void test_NestedInstantiation() { |
| 271 | TestNestedInstantiation()(); |
| 272 | } |
| 273 | |