1 #include "analyzer-decls.h" 2 test(int start,int end,int step)3void 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