6   int4 vec, rv;  in test1()  local
9   return vec == vec; // expected-warning{{self-comparison always evaluates to a constant}}  in test1()
10   return vec != vec; // expected-warning{{self-comparison always evaluates to a constant}}  in test1()
11   return vec < vec; // expected-warning{{self-comparison always evaluates to a constant}}  in test1()
12   return vec <= vec; // expected-warning{{self-comparison always evaluates to a constant}}  in test1()
13   return vec > vec; // expected-warning{{self-comparison always evaluates to a constant}}  in test1()
14   return vec >= vec; // expected-warning{{self-comparison always evaluates to a constant}}  in test1()
21   float4 vec, rv;  in test2()  local
24   return vec == vec; // no-warning  in test2()
25   return vec != vec; // no-warning  in test2()
26   return vec < vec;  // no-warning  in test2()
27   return vec <= vec; // no-warning  in test2()
28   return vec > vec;  // no-warning  in test2()
29   return vec >= vec; // no-warning  in test2()