cxx11-user-defined-literal.cpp revision b453ad3214d00acc51c9aa702c76c58354d84b84 
1// RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s
2
3struct S { S(); ~S(); S(const S &); void operator()(int); };
4using size_t = decltype(sizeof(int));
5S operator"" _x(const char *, size_t);
6S operator"" _y(wchar_t);
7S operator"" _z(unsigned long long);
8S operator"" _f(long double);
9
10void f() {
11  // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8]* @{{.*}}, i32 0, i32 0), i64 3)
12  // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8]* @{{.*}}, i32 0, i32 0), i64 3)
13  // CHECK: call void @_Zli2_yw({{.*}} 97)
14  // CHECK: call void @_Zli2_zy({{.*}} 42)
15  // CHECK: call void @_Zli2_fe({{.*}} x86_fp80 0xK3FFF8000000000000000)
16  // CHECK: call void @_ZN1SD1Ev({{.*}}) nounwind
17  // CHECK: call void @_ZN1SD1Ev({{.*}}) nounwind
18  // CHECK: call void @_ZN1SD1Ev({{.*}}) nounwind
19  // CHECK: call void @_ZN1SD1Ev({{.*}}) nounwind
20  // CHECK: call void @_ZN1SD1Ev({{.*}}) nounwind
21  "foo"_x, "bar"_x, L'a'_y, 42_z, 1.0_f;
22}
23
24template<typename T> auto g(T t) -> decltype("foo"_x(t)) { return "foo"_x(t); }
25template<typename T> auto i(T t) -> decltype(operator"" _x("foo", 3)(t)) { return operator"" _x("foo", 3)(t); }
26
27void h() {
28  g(42);
29  i(42);
30}
31
32// CHECK: define {{.*}} @_Z1hv()
33// CHECK:   call void @_Z1gIiEDTclclL_Zli2_xPKcmELA4_S0_ELm3EEfp_EET_(i32 42)
34// CHECK:   call void @_Z1iIiEDTclclL_Zli2_xPKcmELA4_S0_ELi3EEfp_EET_(i32 42)
35
36// CHECK: define {{.*}} @_Z1gIiEDTclclL_Zli2_xPKcmELA4_S0_ELm3EEfp_EET_(i32
37// CHECK:   call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8]* @{{.*}}, i32 0, i32 0), i64 3)
38// CHECK:   call void @_ZN1SclEi
39// CHECK:   call void @_ZN1SD1Ev
40
41// CHECK: define {{.*}} @_Z1iIiEDTclclL_Zli2_xPKcmELA4_S0_ELi3EEfp_EET_(i32
42// CHECK:   call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8]* @{{.*}}, i32 0, i32 0), i64 3)
43// CHECK:   call void @_ZN1SclEi
44// CHECK:   call void @_ZN1SD1Ev
45