1  #include "analyzer-decls.h"
       2  
       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  }