1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fblocks -emit-llvm -o - %s -fexceptions -std=c++11 | FileCheck %s
2 // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fblocks -emit-llvm -o - %s -fexceptions -std=c++14 | FileCheck --check-prefixes=CHECK,CXX14 %s
3
4 // CHECK-LABEL: define{{.*}} void @_ZN19non_inline_function3fooEv()
5 // CHECK-LABEL: define internal void @"_ZZN19non_inline_function3fooEvENK3$_0clEi"(%class.anon
6 // CHECK-LABEL: define internal signext i8 @"_ZZZN19non_inline_function3fooEvENK3$_0clEiENKUlcE_clEc"(%class.anon
7 namespace non_inline_function {
foo()8 void foo() {
9 auto L = [](int a) {
10 return [](char b) {
11 return b;
12 };
13 };
14 L(3)('a');
15 }
16 }
17
18 namespace non_template {
19 struct L {
__anonfa4d183a0302non_template::L20 int t = ([](int a) { return [](int b) { return b; };})(2)(3);
21 };
22 L l;
23 }
24
25 // It's important that this is not in a namespace; we're testing the mangling
26 // of lambdas in top-level inline variables here.
__anonfa4d183a0502null27 inline auto lambda_in_inline_variable = [] {};
28 template<typename T> struct Wrap {};
29 // CHECK-LABEL: define {{.*}} @_Z30test_lambda_in_inline_variable4WrapIN25lambda_in_inline_variableMUlvE_EE
test_lambda_in_inline_variable(Wrap<decltype(lambda_in_inline_variable)>)30 void test_lambda_in_inline_variable(Wrap<decltype(lambda_in_inline_variable)>) {}
31
32 namespace lambdas_in_NSDMIs_template_class {
33 template<class T>
34 struct L {
__anonfa4d183a0702(int b) 35 T t2 = ([](int a) { return [](int b) { return b; };})(T{})(T{});
36 };
37 L<int> l;
38 }
39
40 // CHECK-LABEL: define linkonce_odr i32 @_ZN15inline_function3fooEv
41
42 // CHECK-LABEL: define linkonce_odr void @_ZNK12non_template1L1tMUliE_clEi(%class.anon
43 // CHECK-LABEL: define linkonce_odr i32 @_ZZNK12non_template1L1tMUliE_clEiENKUliE_clEi(%class.anon
44
45
46 // CHECK-LABEL: define linkonce_odr void @_ZNK32lambdas_in_NSDMIs_template_class1LIiEUliE_clEi(%class.anon
47 // CHECK-LABEL: define linkonce_odr i32 @_ZZNK32lambdas_in_NSDMIs_template_class1LIiEUliE_clEiENKUliE_clEi(%class.anon
48
49 // CHECK-LABEL: define linkonce_odr void @_ZZN15inline_function3fooEvENKUliE_clEi
50 // CHECK-LABEL: define linkonce_odr signext i8 @_ZZZN15inline_function3fooEvENKUliE_clEiENKUlcE_clEc
51 namespace inline_function {
foo()52 inline int foo() {
53 auto L = [](int a) {
54 return [](char b) {
55 return b;
56 };
57 };
58 L(3)('a');
59 }
60 int use = foo();
61 }
62
63 #if __cplusplus >= 201402L
64 // CXX14-LABEL: define internal void @"_ZZZN32lambda_capture_in_generic_lambda3fooIiEEDavENKUlT_E_clIZNS_L1fEvE3$_1EEDaS1_ENKUlvE_clEv"
65 namespace lambda_capture_in_generic_lambda {
foo()66 template <typename T> auto foo() {
67 return [](auto func) {
68 [func] { func(); }();
69 };
70 }
f()71 static void f() {
72 foo<int>()([] { });
73 }
f1()74 void f1() { f(); }
75 }
76 #endif
77