minix/external/bsd/llvm/dist/clang/test/Sema/ext_vector_comparisons.c
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

30 lines
1.1 KiB
C

// RUN: %clang_cc1 -fsyntax-only -verify -Wno-unreachable-code %s
typedef __attribute__(( ext_vector_type(4) )) int int4;
static int4 test1() {
int4 vec, rv;
// comparisons to self...
return vec == vec; // expected-warning{{self-comparison always evaluates to a constant}}
return vec != vec; // expected-warning{{self-comparison always evaluates to a constant}}
return vec < vec; // expected-warning{{self-comparison always evaluates to a constant}}
return vec <= vec; // expected-warning{{self-comparison always evaluates to a constant}}
return vec > vec; // expected-warning{{self-comparison always evaluates to a constant}}
return vec >= vec; // expected-warning{{self-comparison always evaluates to a constant}}
}
typedef __attribute__(( ext_vector_type(4) )) float float4;
static int4 test2() {
float4 vec, rv;
// comparisons to self. no warning, they're floats
return vec == vec; // no-warning
return vec != vec; // no-warning
return vec < vec; // no-warning
return vec <= vec; // no-warning
return vec > vec; // no-warning
return vec >= vec; // no-warning
}