1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-unreachable-code %s 2 3 typedef __attribute__(( ext_vector_type(4) )) int int4; 4 5 static int4 test1() { 6 int4 vec, rv; 7 8 // comparisons to self... 9 return vec == vec; // expected-warning{{self-comparison always evaluates to a constant}} 10 return vec != vec; // expected-warning{{self-comparison always evaluates to a constant}} 11 return vec < vec; // expected-warning{{self-comparison always evaluates to a constant}} 12 return vec <= vec; // expected-warning{{self-comparison always evaluates to a constant}} 13 return vec > vec; // expected-warning{{self-comparison always evaluates to a constant}} 14 return vec >= vec; // expected-warning{{self-comparison always evaluates to a constant}} 15 } 16 17 18 typedef __attribute__(( ext_vector_type(4) )) float float4; 19 20 static int4 test2() { 21 float4 vec, rv; 22 23 // comparisons to self. no warning, they're floats 24 return vec == vec; // no-warning 25 return vec != vec; // no-warning 26 return vec < vec; // no-warning 27 return vec <= vec; // no-warning 28 return vec > vec; // no-warning 29 return vec >= vec; // no-warning 30 } 31
