75 lines · c
1// RUN: %clang_cc1 -fsyntax-only -verify %s2 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(void) {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, shorten23 vec2 = vec4.S01; // legal, shorten24 25 vec3 = vec4.xyz; // legal, shorten26 f = vec2.x; // legal, shorten27 f = vec4.xy.x; // legal, shorten28 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, shorten52 f = vec2.r; // legal, shorten53 f = vec4.rg.r; // legal, shorten54 vec4_2.rgba = vec4.xyzw; // legal, no intermingling55 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 71float2 lo(float3 x) { return x.lo; }72float2 hi(float3 x) { return x.hi; }73float2 ev(float3 x) { return x.even; }74float2 od(float3 x) { return x.odd; }75