1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -fsyntax-only -Wtautological-constant-out-of-range-compare -verify %s
2 // rdar://12202422
3 
4 int value(void);
5 
main()6 int main()
7 {
8     int a = value();
9 
10     if (a == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
11         return 0;
12     if (a != 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
13         return 0;
14     if (a < 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
15         return 0;
16     if (a <= 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
17         return 0;
18     if (a > 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
19         return 0;
20     if (a >= 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
21         return 0;
22 
23     if (0x1234567812345678L == a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
24         return 0;
25     if (0x1234567812345678L != a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
26         return 0;
27     if (0x1234567812345678L < a)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
28         return 0;
29     if (0x1234567812345678L <= a)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
30         return 0;
31     if (0x1234567812345678L > a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
32         return 0;
33     if (0x1234567812345678L >= a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
34         return 0;
35     if (a == 0x1234567812345678LL) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
36       return 0;
37     if (a == -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
38       return 0;
39     if (a < -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
40       return 0;
41     if (a > -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always true}}
42       return 0;
43     if (a <= -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
44       return 0;
45     if (a >= -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always true}}
46       return 0;
47 
48 
49     if (a == 0x12345678L) // no warning
50       return 1;
51 
52     short s = value();
53     if (s == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
54         return 0;
55     if (s != 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
56         return 0;
57     if (s < 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
58         return 0;
59     if (s <= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
60         return 0;
61     if (s > 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
62         return 0;
63     if (s >= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
64         return 0;
65 
66     if (0x1234567812345678L == s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
67         return 0;
68     if (0x1234567812345678L != s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
69         return 0;
70     if (0x1234567812345678L < s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
71         return 0;
72     if (0x1234567812345678L <= s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
73         return 0;
74     if (0x1234567812345678L > s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
75         return 0;
76     if (0x1234567812345678L >= s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
77         return 0;
78 
79     long l = value();
80     if (l == 0x1234567812345678L)
81         return 0;
82     if (l != 0x1234567812345678L)
83         return 0;
84     if (l < 0x1234567812345678L)
85         return 0;
86     if (l <= 0x1234567812345678L)
87         return 0;
88     if (l > 0x1234567812345678L)
89         return 0;
90     if (l >= 0x1234567812345678L)
91         return 0;
92 
93     if (0x1234567812345678L == l)
94         return 0;
95     if (0x1234567812345678L != l)
96         return 0;
97     if (0x1234567812345678L < l)
98         return 0;
99     if (0x1234567812345678L <= l)
100         return 0;
101     if (0x1234567812345678L > l)
102         return 0;
103     if (0x1234567812345678L >= l)
104         return 0;
105 
106     enum E {
107     yes,
108     no,
109     maybe
110     };
111     enum E e;
112 
113     if (e == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'enum E' is always false}}
114       return 0;
115 
116     return 1;
117 }
118