1 #include "analyzer-decls.h"
2 
test(int start,int end,int step)3 void test(int start, int end, int step)
4 {
5   int i;
6 
7   __analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
8 
9   for (i = start; i > end; i -= step) {
10       __analyzer_eval (i > end); /* { dg-warning "TRUE" "true" } */
11       /* { dg-bogus "UNKNOWN" "unknown" { xfail *-*-* } .-1 } */
12       /* TODO(xfail^^^): should report TRUE twice. */
13 
14       __analyzer_eval (i == start); /* { dg-warning "TRUE" "1st" } */
15       /* { dg-warning "FALSE" "2nd" { xfail *-*-* } .-1 } */
16       /* { dg-warning "UNKNOWN" "status quo" { target *-*-* } .-2 } */
17       /* TODO(xfail^^^): ideally we ought to figure out i > 0 after 1st iteration.  */
18 
19       /* We don't know the direction of step.  */
20       __analyzer_eval (i <= start); /* { dg-warning "TRUE" "true" } */
21       /* { dg-warning "UNKNOWN" "unknown" { target *-*-* } .-1 } */
22 
23       __analyzer_dump_exploded_nodes (0); /* { dg-warning "2 processed enodes" } */
24   }
25 
26   __analyzer_eval (i <= end); /* { dg-warning "TRUE" "true" { xfail *-*-* } } */
27   /* { dg-bogus "UNKNOWN" "unknown" { xfail *-*-* } .-1 } */
28 
29   __analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
30 }
31