1// RUN: %clang_cc1 -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;
6typedef __attribute__(( ext_vector_type(16) )) float float16;
7
8static float4 vec4_0 = (float4)0.5f;
9
10static void test() {
11    float2 vec2, vec2_2;
12    float3 vec3;
13    float4 vec4, vec4_2, *vec4p;
14    float16 vec16;
15    float f;
16
17    vec2.z; // expected-error {{vector component access exceeds type 'float2'}}
18    vec2.xyzw; // expected-error {{vector component access exceeds type 'float2'}}
19    vec4.xyzw; // expected-warning {{expression result unused}}
20    vec4.xyzc; // expected-error {{illegal vector component name 'c'}}
21    vec4.s01z; // expected-error {{illegal vector component name 'z'}}
22    vec2 = vec4.s01; // legal, shorten
23    vec2 = vec4.S01; // legal, shorten
24
25    vec3 = vec4.xyz; // legal, shorten
26    f = vec2.x; // legal, shorten
27    f = vec4.xy.x; // legal, shorten
28
29    vec4_2.xyzx = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}}
30    vec4_2.xyzz = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}}
31    vec4_2.xyyw = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}}
32    vec2.x = f;
33    vec2.xx = vec2_2.xy; // expected-error {{vector is not assignable (contains duplicate components)}}
34    vec2.yx = vec2_2.xy;
35    vec4 = (float4){ 1,2,3,4 };
36    vec4.xy.w; // expected-error {{vector component access exceeds type 'float2'}}
37    vec4.s06; // expected-error {{vector component access exceeds type 'float4'}}
38    vec4.x = vec16.sf;
39    vec4.x = vec16.sF;
40
41    vec4p->yz = vec4p->xy;
42}
43
44float2 lo(float3 x) { return x.lo; }
45float2 hi(float3 x) { return x.hi; }
46float2 ev(float3 x) { return x.even; }
47float2 od(float3 x) { return x.odd; }
48