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/* Tests for handling constraints on results of unknown fns. */
#include <stddef.h>
#include "analyzer-decls.h"
void unknown_fn (void *);
void test_1 (void)
{
int i;
unknown_fn (&i);
if (i)
__analyzer_eval (i); /* { dg-warning "TRUE" } */
else
__analyzer_eval (i); /* { dg-warning "FALSE" } */
__analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
}
struct foo
{
int i;
int j;
};
void test_2 (void)
{
struct foo f;
unknown_fn (&f);
if (f.j)
__analyzer_eval (f.j); /* { dg-warning "TRUE" } */
else
__analyzer_eval (f.j); /* { dg-warning "FALSE" } */
__analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
}
void test_3 (int flag)
{
int i;
unknown_fn (&i);
if (i)
{
__analyzer_eval (i); /* { dg-warning "TRUE" } */
if (flag)
__analyzer_eval (flag); /* { dg-warning "TRUE" } */
else
__analyzer_eval (flag); /* { dg-warning "FALSE" } */
}
else
__analyzer_eval (i); /* { dg-warning "FALSE" } */
if (flag)
__analyzer_eval (flag); /* { dg-warning "TRUE" } */
else
__analyzer_eval (flag); /* { dg-warning "FALSE" } */
__analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
}
void test_4 (int y)
{
int x;
unknown_fn (&x);
if (x)
{
__analyzer_eval (x); /* { dg-warning "TRUE" } */
x = 0;
}
__analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
}
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