ext_vector_components.c revision 73525de7fd9bdd534382dc89a24f1f76db3e04b9
1// RUN: clang -fsyntax-only -verify %s 2 3typedef __attribute__(( ext_vector_type(2) )) float float2; 4typedef __attribute__(( ext_vector_type(3) )) float float3; 5typedef __attribute__(( ext_vector_type(4) )) float float4; 6 7static void test() { 8 float2 vec2, vec2_2; 9 float3 vec3; 10 float4 vec4, vec4_2, *vec4p; 11 float f; 12 13 vec2.z; // expected-error {{vector component access exceeds type 'float2'}} 14 vec2.xyzw; // expected-error {{vector component access exceeds type 'float2'}} 15 vec4.xyzw; // expected-warning {{expression result unused}} 16 vec4.xyzc; // expected-error {{illegal vector component name 'c'}} 17 vec4.s01z; // expected-error {{illegal vector component name 'z'}} 18 vec2 = vec4.s01; // legal, shorten 19 20 vec3 = vec4.xyz; // legal, shorten 21 f = vec2.x; // legal, shorten 22 f = vec4.xy.x; // legal, shorten 23 24 vec2 = vec3.hi; // expected-error {{vector component access invalid for odd-sized type 'float3'}} 25 26 vec4_2.xyzx = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}} 27 vec4_2.xyzz = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}} 28 vec4_2.xyyw = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}} 29 vec2.x = f; 30 vec2.xx = vec2_2.xy; // expected-error {{vector is not assignable (contains duplicate components)}} 31 vec2.yx = vec2_2.xy; 32 vec4 = (float4){ 1,2,3,4 }; 33 vec4.xy.w; // expected-error {{vector component access exceeds type 'float2'}} 34 vec4.s06; // expected-error {{vector component access exceeds type 'float4'}} 35 36 vec4p->yz = vec4p->xy; 37} 38