blob: f032789e6c4ab8f3000a1611d4892b12bae1dc9a (
plain)
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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* { dg-additional-options "-fanalyzer-transitivity" } */
#include "analyzer-decls.h"
void test (int i, int j)
{
if (i > 4)
{
__analyzer_eval (i > 4); /* { dg-warning "TRUE" } */
__analyzer_eval (i <= 4); /* { dg-warning "FALSE" } */
__analyzer_eval (i > 3); /* { dg-warning "TRUE" } */
__analyzer_eval (i > 5); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i != 3); /* { dg-warning "TRUE" } */
__analyzer_eval (i == 3); /* { dg-warning "FALSE" } */
__analyzer_eval (i != 4); /* { dg-warning "TRUE" } */
__analyzer_eval (i == 4); /* { dg-warning "FALSE" } */
__analyzer_eval (i == 5); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i != 5); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i < 5); /* { dg-warning "FALSE" } */
__analyzer_eval (i <= 5); /* { dg-warning "UNKNOWN" } */
/* Tests of transitivity. */
if (j < i)
{
__analyzer_eval (j < i); /* { dg-warning "TRUE" } */
__analyzer_eval (j <= 4); /* { dg-warning "UNKNOWN" } */
}
else
{
__analyzer_eval (j >= i); /* { dg-warning "TRUE" } */
__analyzer_eval (j > 4); /* { dg-warning "TRUE" } */
}
}
else
{
__analyzer_eval (i > 4); /* { dg-warning "FALSE" } */
__analyzer_eval (i <= 4); /* { dg-warning "TRUE" } */
__analyzer_eval (i > 3); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i > 5); /* { dg-warning "FALSE" } */
__analyzer_eval (i != 3); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i == 3); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i != 4); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i == 4); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (i == 5); /* { dg-warning "FALSE" } */
__analyzer_eval (i != 5); /* { dg-warning "TRUE" } */
__analyzer_eval (i < 5); /* { dg-warning "TRUE" } */
__analyzer_eval (i <= 5); /* { dg-warning "TRUE" } */
}
}
void test_2 (int i, int j, int k)
{
if (i >= j)
{
__analyzer_eval (i == k); /* { dg-warning "UNKNOWN" } */
if (j >= k)
{
__analyzer_eval (i >= k); /* { dg-warning "TRUE" } */
__analyzer_eval (i == k); /* { dg-warning "UNKNOWN" } */
if (k >= i)
__analyzer_eval (i == k); /* { dg-warning "TRUE" } */
}
}
}
void test_3 (int flag, unsigned int i)
{
if (!flag) {
return;
}
__analyzer_eval (flag); /* { dg-warning "TRUE" } */
if (i>0) {
__analyzer_eval (i > 0); /* { dg-warning "TRUE" } */
__analyzer_eval (flag); /* { dg-warning "TRUE" } */
} else {
__analyzer_eval (i <= 0); /* { dg-warning "TRUE" } */
__analyzer_eval (flag); /* { dg-warning "TRUE" } */
}
__analyzer_eval (flag); /* { dg-warning "TRUE" } */
}
void test_range_int_gt_lt (int i)
{
if (i > 3)
if (i < 5)
__analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
}
void test_range_float_gt_lt (float f)
{
if (f > 3)
if (f < 5)
__analyzer_eval (f == 4); /* { dg-warning "UNKNOWN" } */
}
void test_range_int_ge_lt (int i)
{
if (i >= 4)
if (i < 5)
__analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
}
void test_range_float_ge_lt (float f)
{
if (f >= 4)
if (f < 5)
__analyzer_eval (f == 4); /* { dg-warning "UNKNOWN" } */
}
void test_range_int_gt_le (int i)
{
if (i > 3)
if (i <= 4)
__analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
}
void test_range_float_gt_le (float f)
{
if (f > 3)
if (f <= 4)
__analyzer_eval (f == 4); /* { dg-warning "UNKNOWN" } */
}
void test_range_int_ge_le (int i)
{
if (i >= 4)
if (i <= 4)
__analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
}
void test_range_float_ge_le (float f)
{
if (f >= 4)
if (f <= 4)
__analyzer_eval (f == 4); /* { dg-warning "TRUE" "PR 93356" { xfail *-*-* } } */
/* { dg-warning "UNKNOWN" "disabled float comparisons" { target *-*-* } .-1 } */
}
void test_float_selfcmp (float f)
{
__analyzer_eval (f == f); /* { dg-warning "UNKNOWN" } */
__analyzer_eval (f != f); /* { dg-warning "UNKNOWN" } */
}
|
