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