1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 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; 6 typedef __attribute__(( ext_vector_type(16) )) float float16; 7 8 static float4 vec4_0 = (float4)0.5f; 9 10 static 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 vec2.a; // expected-error {{vector component access exceeds type 'float2'}} 44 vec2.rgba; // expected-error {{vector component access exceeds type 'float2'}} 45 vec4.rgba; // expected-warning {{expression result unused}} 46 vec4.rgbz; // expected-error {{illegal vector component name 'z'}} 47 vec4.rgbc; // expected-error {{illegal vector component name 'c'}} 48 vec4.xyzr; // expected-error {{illegal vector component name 'r'}} 49 vec4.s01b; // expected-error {{vector component access exceeds type 'float4'}} 50 51 vec3 = vec4.rgb; // legal, shorten 52 f = vec2.r; // legal, shorten 53 f = vec4.rg.r; // legal, shorten 54 vec4_2.rgba = vec4.xyzw; // legal, no intermingling 55 56 vec4_2.rgbr = vec4.rgba; // expected-error {{vector is not assignable (contains duplicate components)}} 57 vec4_2.rgbb = vec4.rgba; // expected-error {{vector is not assignable (contains duplicate components)}} 58 vec4_2.rgga = vec4.rgba; // expected-error {{vector is not assignable (contains duplicate components)}} 59 vec2.x = f; 60 vec2.rr = vec2_2.rg; // expected-error {{vector is not assignable (contains duplicate components)}} 61 vec2.gr = vec2_2.rg; 62 vec2.gr.g = vec2_2.r; 63 vec4 = (float4){ 1,2,3,4 }; 64 vec4.rg.b; // expected-error {{vector component access exceeds type 'float2'}} 65 vec4.r = vec16.sf; 66 vec4.g = vec16.sF; 67 68 vec4p->gb = vec4p->rg; 69 } 70 71 float2 lo(float3 x) { return x.lo; } 72 float2 hi(float3 x) { return x.hi; } 73 float2 ev(float3 x) { return x.even; } 74 float2 od(float3 x) { return x.odd; } 75
