ext_vector_components.c revision 131f4658249b2a7d2d7e30fe07e84c484f79ef99
1// RUN: clang-cc -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 void test() { 9 float2 vec2, vec2_2; 10 float3 vec3; 11 float4 vec4, vec4_2, *vec4p; 12 float16 vec16; 13 float f; 14 15 vec2.z; // expected-error {{vector component access exceeds type 'float2'}} 16 vec2.xyzw; // expected-error {{vector component access exceeds type 'float2'}} 17 vec4.xyzw; // expected-warning {{expression result unused}} 18 vec4.xyzc; // expected-error {{illegal vector component name 'c'}} 19 vec4.s01z; // expected-error {{illegal vector component name 'z'}} 20 vec2 = vec4.s01; // legal, shorten 21 vec2 = vec4.S01; // legal, shorten 22 23 vec3 = vec4.xyz; // legal, shorten 24 f = vec2.x; // legal, shorten 25 f = vec4.xy.x; // legal, shorten 26 27 vec2 = vec3.hi; // expected-error {{vector component access invalid for odd-sized type 'float3'}} 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