1 #include "analyzer-decls.h"
2 
test(int n)3 void test(int n)
4 {
5   int i;
6 
7   __analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
8 
9   for (i = 0; i < n; i++) {
10       __analyzer_eval (i < n); /* { dg-warning "TRUE" } */
11       /* (should report TRUE twice). */
12 
13       __analyzer_eval (i == 0); /* { dg-warning "TRUE" "1st" } */
14       /* { dg-warning "FALSE" "2nd" { xfail *-*-* } .-1 } */
15       /* { dg-warning "UNKNOWN" "status quo" { target *-*-* } .-2 } */
16       /* TODO(xfail^^^): ideally we ought to figure out i > 0 after 1st iteration.  */
17 
18       __analyzer_eval (i >= 0); /* { dg-warning "TRUE" } */
19 
20       __analyzer_dump_exploded_nodes (0); /* { dg-warning "2 processed enodes" } */
21   }
22 
23   __analyzer_eval (i >= n); /* { dg-warning "TRUE" "true" { xfail *-*-* } } */
24   /* { dg-bogus "UNKNOWN" "unknown" { xfail *-*-* } .-1 } */
25 
26   __analyzer_eval (i == n); /* { dg-warning "TRUE" "true" { xfail *-*-* } } */
27   /* { dg-bogus "UNKNOWN" "unknown" { xfail *-*-* } .-1 } */
28   /* TODO(xfail^^^): it only figures out i >= 256, rather than i == 256.  */
29 
30   __analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
31 }
32