1 // RUN: clang-cc -fsyntax-only -verify %s
3 typedef __attribute__(( ext_vector_type(2) )) float float2;
4 typedef __attribute__(( ext_vector_type(3) )) float float3;
5 typedef __attribute__(( ext_vector_type(4) )) float float4;
10 float4 vec4, vec4_2, *vec4p;
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
20 vec3 = vec4.xyz; // legal, shorten
21 f = vec2.x; // legal, shorten
22 f = vec4.xy.x; // legal, shorten
24 vec2 = vec3.hi; // expected-error {{vector component access invalid for odd-sized type 'float3'}}
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)}}
30 vec2.xx = vec2_2.xy; // expected-error {{vector is not assignable (contains duplicate components)}}
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'}}
36 vec4p->yz = vec4p->xy;