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 | |