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