1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -S %s -o %t-64.s
// RUN: FileCheck -check-prefix CHECK-LP64 --input-file=%t-64.s %s
// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -S %s -o %t-32.s
// RUN: FileCheck -check-prefix CHECK-LP32 --input-file=%t-32.s %s
// XFAIL: *
extern "C" int printf(...);
struct S {
operator int();
};
S::operator int() {
return 10;
}
int f(S s) {
return s;
}
class X { // ...
public: operator int() { printf("operator int()\n"); return iX; }
public: operator float() { printf("operator float()\n"); return fX; }
X() : iX(100), fX(1.234) {}
int iX;
float fX;
};
X x;
struct Z {
operator X() { printf("perator X()\n"); x.iX += iZ; x.fX += fZ; return x; }
int iZ;
float fZ;
Z() : iZ(1), fZ(1.00) {}
};
Z z;
class Y { // ...
public: operator Z(){printf("perator Z()\n"); return z; }
};
Y y;
int count=0;
class O { // ...
public:
operator int(){ return ++iO; }
O() : iO(count++) {}
int iO;
};
void g(O a, O b) {
int i = (a) ? 1+a : 0;
int j = (a&&b) ? a+b : i;
if (a) { }
printf("i = %d j = %d a.iO = %d b.iO = %d\n", i, j, a.iO, b.iO);
}
int main() {
int c = X(Z(y)); // OK: y.operator Z().operator X().operator int()
printf("c = %d\n", c);
float f = X(Z(y));
printf("f = %f\n", f);
int i = x;
printf("i = %d float = %f\n", i, float(x));
i = int(X(Z(y)));
f = float(X(Z(y)));
printf("i = %d float = %f\n", i,f);
f = (float)x;
i = (int)x;
printf("i = %d float = %f\n", i,f);
int d = (X)((Z)y);
printf("d = %d\n", d);
int e = (int)((X)((Z)y));
printf("e = %d\n", e);
O o1, o2;
g(o1, o2);
}
// Test. Conversion in base class is visible in derived class.
class XB {
int a;
public:
operator int();
};
class Yb : public XB {
double b;
public:
operator char();
};
void f(Yb& a) {
int i = a; // OK. calls XB::operator int();
char ch = a; // OK. calls Yb::operator char();
}
struct A {
operator int() const;
};
// CHECK-LP64: .globl __ZN1ScviEv
// CHECK-LP64-NEXT: __ZN1ScviEv:
// CHECK-LP64: callq __ZN1Ycv1ZEv
// CHECK-LP64: callq __ZN1Zcv1XEv
// CHECK-LP64: callq __ZN1XcviEv
// CHECK-LP64: callq __ZN1XcvfEv
// CHECK-LP64: callq __ZN2XBcviEv
// CHECK-LP64: callq __ZN2YbcvcEv
// CHECK-LP32: .globl __ZN1ScviEv
// CHECK-LP32-NEXT: __ZN1ScviEv:
// CHECK-LP32: call L__ZN1Ycv1ZEv
// CHECK-LP32: call L__ZN1Zcv1XEv
// CHECK-LP32: call L__ZN1XcviEv
// CHECK-LP32: call L__ZN1XcvfEv
// CHECK-LP32: call L__ZN2XBcviEv
// CHECK-LP32: call L__ZN2YbcvcEv
|
