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
|
#include "analyzer-decls.h"
void test(int n)
{
int i;
__analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
for (i = n; i > 0; i--) {
__analyzer_eval (i > 0); /* { dg-warning "TRUE" "true" } */
/* { dg-bogus "UNKNOWN" "unknown" { xfail *-*-* } .-1 } */
/* TODO(xfail^^^): should report TRUE twice. */
__analyzer_eval (i == n); /* { dg-warning "TRUE" "1st" } */
/* { dg-warning "FALSE" "2nd" { xfail *-*-* } .-1 } */
/* { dg-warning "UNKNOWN" "status quo" { target *-*-* } .-2 } */
/* TODO(xfail^^^): ideally we ought to figure out i > 0 after 1st iteration. */
__analyzer_eval (i <= n); /* { dg-warning "TRUE" "1st" } */
/* { dg-warning "TRUE" "2nd" { xfail *-*-* } } */
/* { dg-warning "UNKNOWN" "status quo" { target *-*-* } .-2 } */
/* TODO(xfail^^^): ideally we ought to figure out i >= 0 for all iterations. */
__analyzer_dump_exploded_nodes (0); /* { dg-warning "2 processed enodes" } */
}
__analyzer_eval (i <= 0); /* { dg-warning "TRUE" "true" } */
__analyzer_eval (i == 0); /* { dg-warning "TRUE" "desired" { xfail *-*-* } } */
/* { dg-warning "UNKNOWN" "status quo" { target *-*-* } .-1 } */
/* TODO(xfail^^^): it only figures out i >= 256, rather than i == 256. */
__analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
}
|
