1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-macosx10.7.0 -emit-llvm -o - %s | FileCheck %s 2 3 // CHECK: 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 struct S { 30 void f(int = []{return 1;}() 31 + []{return 2;}(), 32 int = []{return 3;}()); 33 void g(int, int); 34 }; 35 36 void S::g(int i = []{return 1;}(), 37 int j = []{return 2; }()) {} 38 39 // CHECK: define void @_Z6test_S1S 40 void test_S(S s) { 41 // CHECK: call i32 @_ZZN1S1fEiiEd0_NKUlvE_clEv 42 // CHECK-NEXT: call i32 @_ZZN1S1fEiiEd0_NKUlvE0_clEv 43 // CHECK-NEXT: add nsw i32 44 // CHECK-NEXT: call i32 @_ZZN1S1fEiiEd_NKUlvE_clEv 45 // CHECK-NEXT: call void @_ZN1S1fEii 46 s.f(); 47 48 // NOTE: These manglings don't actually matter that much, because 49 // the lambdas in the default arguments of g() won't be seen by 50 // multiple translation units. We check them mainly to ensure that they don't 51 // get the special mangling for lambdas in in-class default arguments. 52 // CHECK: call i32 @"_ZNK1S3$_0clEv" 53 // CHECK-NEXT: call i32 @"_ZNK1S3$_1clEv" 54 // CHECK-NEXT: call void @_ZN1S1gEi 55 s.g(); 56 57 // CHECK-NEXT: ret void 58 } 59 60 // Check the linkage of the lambda call operators used in test_S. 61 // CHECK: define linkonce_odr i32 @_ZZN1S1fEiiEd0_NKUlvE_clEv 62 // CHECK: ret i32 1 63 // CHECK: define linkonce_odr i32 @_ZZN1S1fEiiEd0_NKUlvE0_clEv 64 // CHECK: ret i32 2 65 // CHECK: define linkonce_odr i32 @_ZZN1S1fEiiEd_NKUlvE_clEv 66 // CHECK: ret i32 3 67 // CHECK: define internal i32 @"_ZNK1S3$_0clEv" 68 // CHECK: ret i32 1 69 // CHECK: define internal i32 @"_ZNK1S3$_1clEv" 70 // CHECK: ret i32 2 71 72 template<typename T> 73 struct ST { 74 void f(T = []{return T() + 1;}() 75 + []{return T() + 2;}(), 76 T = []{return T(3);}()); 77 }; 78 79 // CHECK: define void @_Z7test_ST2STIdE 80 void test_ST(ST<double> st) { 81 // CHECK: call double @_ZZN2ST1fET_S0_Ed0_NKUlvE_clEv 82 // CHECK-NEXT: call double @_ZZN2ST1fET_S0_Ed0_NKUlvE0_clEv 83 // CHECK-NEXT: fadd double 84 // CHECK-NEXT: call double @_ZZN2ST1fET_S0_Ed_NKUlvE_clEv 85 // CHECK-NEXT: call void @_ZN2STIdE1fEdd 86 st.f(); 87 88 // CHECK-NEXT: ret void 89 } 90 91 // Check the linkage of the lambda call operators used in test_ST. 92 // CHECK: define linkonce_odr double @_ZZN2ST1fET_S0_Ed0_NKUlvE_clEv 93 // CHECK: ret double 1 94 // CHECK: define linkonce_odr double @_ZZN2ST1fET_S0_Ed0_NKUlvE0_clEv 95 // CHECK: ret double 2 96 // CHECK: define linkonce_odr double @_ZZN2ST1fET_S0_Ed_NKUlvE_clEv 97 // CHECK: ret double 3 98 99 template<typename T> 100 struct StaticMembers { 101 static T x; 102 static T y; 103 static T z; 104 }; 105 106 template<typename T> int accept_lambda(T); 107 108 template<typename T> 109 T StaticMembers<T>::x = []{return 1;}() + []{return 2;}(); 110 111 template<typename T> 112 T StaticMembers<T>::y = []{return 3;}(); 113 114 template<typename T> 115 T StaticMembers<T>::z = accept_lambda([]{return 4;}); 116 117 // CHECK: define internal void @__cxx_global_var_init() 118 // CHECK: call i32 @_ZNK13StaticMembersIfE1xMUlvE_clEv 119 // CHECK-NEXT: call i32 @_ZNK13StaticMembersIfE1xMUlvE0_clEv 120 // CHECK-NEXT: add nsw 121 // CHECK: define linkonce_odr i32 @_ZNK13StaticMembersIfE1xMUlvE_clEv 122 // CHECK: ret i32 1 123 // CHECK: define linkonce_odr i32 @_ZNK13StaticMembersIfE1xMUlvE0_clEv 124 // CHECK: ret i32 2 125 template float StaticMembers<float>::x; 126 127 // CHECK: define internal void @__cxx_global_var_init1() 128 // CHECK: call i32 @_ZNK13StaticMembersIfE1yMUlvE_clEv 129 // CHECK: define linkonce_odr i32 @_ZNK13StaticMembersIfE1yMUlvE_clEv 130 // CHECK: ret i32 3 131 template float StaticMembers<float>::y; 132 133 // CHECK: define internal void @__cxx_global_var_init2() 134 // CHECK: call i32 @_Z13accept_lambdaIN13StaticMembersIfE1zMUlvE_EEiT_ 135 // CHECK: declare i32 @_Z13accept_lambdaIN13StaticMembersIfE1zMUlvE_EEiT_() 136 template float StaticMembers<float>::z; 137 138 // CHECK: define internal void @__cxx_global_var_init3 139 // CHECK: call i32 @"_ZNK13StaticMembersIdE3$_2clEv" 140 // CHECK: define internal i32 @"_ZNK13StaticMembersIdE3$_2clEv" 141 // CHECK: ret i32 42 142 template<> double StaticMembers<double>::z = []{return 42; }(); 143 144 template<typename T> 145 void func_template(T = []{ return T(); }()); 146 147 // CHECK: define void @_Z17use_func_templatev() 148 void use_func_template() { 149 // CHECK: call i32 @"_ZZ13func_templateIiEvT_ENKS_IiE3$_3clEv" 150 func_template<int>(); 151 } 152 153 // CHECK: define linkonce_odr void @_Z1fIZZNK23TestNestedInstantiationclEvENKUlvE_clEvEUlvE_EvT_ 154 155 struct Members { 156 int x = [] { return 1; }() + [] { return 2; }(); 157 int y = [] { return 3; }(); 158 }; 159 160 void test_Members() { 161 // CHECK: define linkonce_odr void @_ZN7MembersC2Ev 162 // CHECK: call i32 @_ZNK7Members1xMUlvE_clEv 163 // CHECK-NEXT: call i32 @_ZNK7Members1xMUlvE0_clE 164 // CHECK-NEXT: add nsw i32 165 // CHECK: call i32 @_ZNK7Members1yMUlvE_clEv 166 Members members; 167 // CHECK: ret void 168 } 169 170 template<typename P> void f(P) { } 171 172 struct TestNestedInstantiation { 173 void operator()() const { 174 []() -> void { 175 return f([]{}); 176 }(); 177 } 178 }; 179 180 void test_NestedInstantiation() { 181 TestNestedInstantiation()(); 182 } 183 184 // Check the linkage of the lambdas used in test_Members. 185 // CHECK: define linkonce_odr i32 @_ZNK7Members1xMUlvE_clEv 186 // CHECK: ret i32 1 187 // CHECK: define linkonce_odr i32 @_ZNK7Members1xMUlvE0_clEv 188 // CHECK: ret i32 2 189 // CHECK: define linkonce_odr i32 @_ZNK7Members1yMUlvE_clEv 190 // CHECK: ret i32 3 191 192 // Check linkage of the various lambdas. 193 // CHECK: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE_clEv 194 // CHECK: ret i32 1 195 // CHECK: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE0_clEv 196 // CHECK: ret i32 197 // CHECK: define linkonce_odr double @_ZZ11inline_funciENKUlvE1_clEv 198 // CHECK: ret double 199 // CHECK: define linkonce_odr i32 @_ZZ11inline_funciENKUliE_clEi 200 // CHECK: ret i32 201 // CHECK: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE2_clEv 202 // CHECK: ret i32 17 203