1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s
2
3 struct S { S(); ~S(); S(const S &); void operator()(int); };
4 using size_t = decltype(sizeof(int));
5 S operator"" _x(const char *, size_t);
6 S operator"" _y(wchar_t);
7 S operator"" _z(unsigned long long);
8 S operator"" _f(long double);
9 S operator"" _r(const char *);
operator ""_t()10 template<char...Cs> S operator"" _t() { return S(); }
11
12 // CHECK: @[[s_foo:.*]] = {{.*}} constant [4 x i8] c"foo\00"
13 // CHECK: @[[s_bar:.*]] = {{.*}} constant [4 x i8] c"bar\00"
14 // CHECK: @[[s_123:.*]] = {{.*}} constant [4 x i8] c"123\00"
15 // CHECK: @[[s_4_9:.*]] = {{.*}} constant [4 x i8] c"4.9\00"
16 // CHECK: @[[s_0xffffeeee:.*]] = {{.*}} constant [11 x i8] c"0xffffeeee\00"
17
f()18 void f() {
19 // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_foo]], i64 0, i64 0), i64 3)
20 // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_bar]], i64 0, i64 0), i64 3)
21 // CHECK: call void @_Zli2_yw({{.*}} 97)
22 // CHECK: call void @_Zli2_zy({{.*}} 42)
23 // CHECK: call void @_Zli2_fe({{.*}} x86_fp80 0xK3FFF8000000000000000)
24 // CHECK: call void @_ZN1SD1Ev({{.*}})
25 // CHECK: call void @_ZN1SD1Ev({{.*}})
26 // CHECK: call void @_ZN1SD1Ev({{.*}})
27 // CHECK: call void @_ZN1SD1Ev({{.*}})
28 // CHECK: call void @_ZN1SD1Ev({{.*}})
29 "foo"_x, "bar"_x, L'a'_y, 42_z, 1.0_f;
30
31 // CHECK: call void @_Zli2_rPKc({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_123]], i64 0, i64 0))
32 // CHECK: call void @_Zli2_rPKc({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_4_9]], i64 0, i64 0))
33 // CHECK: call void @_Zli2_rPKc({{.*}}, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @[[s_0xffffeeee]], i64 0, i64 0))
34 // CHECK: call void @_ZN1SD1Ev({{.*}})
35 // CHECK: call void @_ZN1SD1Ev({{.*}})
36 // CHECK: call void @_ZN1SD1Ev({{.*}})
37 123_r, 4.9_r, 0xffff\
38 eeee_r;
39
40 // FIXME: This mangling is insane. Maybe we should have a special case for
41 // char parameter packs?
42 // CHECK: call void @_Zli2_tIJLc48ELc120ELc49ELc50ELc51ELc52ELc53ELc54ELc55ELc56EEE1Sv({{.*}})
43 // CHECK: call void @_ZN1SD1Ev({{.*}})
44 0x12345678_t;
45 }
46
47 // CHECK: define {{.*}} @_Zli2_tIJLc48ELc120ELc49ELc50ELc51ELc52ELc53ELc54ELc55ELc56EEE1Sv(
48
g(T t)49 template<typename T> auto g(T t) -> decltype("foo"_x(t)) { return "foo"_x(t); }
i(T t)50 template<typename T> auto i(T t) -> decltype(operator"" _x("foo", 3)(t)) { return operator"" _x("foo", 3)(t); }
51
h()52 void h() {
53 g(42);
54 i(42);
55 }
56
57 // CHECK: define {{.*}} @_Z1hv()
58 // CHECK: call void @_Z1gIiEDTclclL_Zli2_xPKcmELA4_S0_ELm3EEfp_EET_(i32 42)
59 // CHECK: call void @_Z1iIiEDTclclL_Zli2_xPKcmELA4_S0_ELi3EEfp_EET_(i32 42)
60
61 // CHECK: define {{.*}} @_Z1gIiEDTclclL_Zli2_xPKcmELA4_S0_ELm3EEfp_EET_(i32
62 // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @{{.*}}, i64 0, i64 0), i64 3)
63 // CHECK: call void @_ZN1SclEi
64 // CHECK: call void @_ZN1SD1Ev
65
66 // CHECK: define {{.*}} @_Z1iIiEDTclclL_Zli2_xPKcmELA4_S0_ELi3EEfp_EET_(i32
67 // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @{{.*}}, i64 0, i64 0), i64 3)
68 // CHECK: call void @_ZN1SclEi
69 // CHECK: call void @_ZN1SD1Ev
70